File name: | DCRatBuild.exe |
Full analysis: | https://app.any.run/tasks/cf003754-9fc1-42e3-abf7-29c043306f4b |
Verdict: | Malicious activity |
Threats: | DCrat, also known as Dark Crystal RAT, is a remote access trojan (RAT), which was first introduced in 2018. It is a modular malware that can be customized to perform different tasks. For instance, it can steal passwords, crypto wallet information, hijack Telegram and Steam accounts, and more. Attackers may use a variety of methods to distribute DCrat, but phishing email campaigns are the most common. |
Analysis date: | July 12, 2020, 14:40:23 |
OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
Tags: | |
Indicators: | |
MIME: | application/x-dosexec |
File info: | PE32 executable (GUI) Intel 80386, for MS Windows |
MD5: | 58FC29123C0E6C88AC2481E50674A386 |
SHA1: | CFB60AD6144DECE02A5FE1CD8E2FF58B2954E0D2 |
SHA256: | D2CA5E6758EA3380E0F72799807FB0132AA5FB050804CCD7F2E5B20142412738 |
SSDEEP: | 12288:0Qnk3GDYKGcblwtX+t4Y8WKZzdUM2gx/LtboBkHX1rbT3+:IAOcZwXYozdVxZbtHX1rbb+ |
.exe | | | Win32 Executable (generic) (52.9) |
---|---|---|
.exe | | | Generic Win/DOS Executable (23.5) |
.exe | | | DOS Executable Generic (23.5) |
MachineType: | Intel 386 or later, and compatibles |
---|---|
TimeStamp: | 2020:03:26 11:02:47+01:00 |
PEType: | PE32 |
LinkerVersion: | 14 |
CodeSize: | 198144 |
InitializedDataSize: | 254464 |
UninitializedDataSize: | - |
EntryPoint: | 0x1e1f9 |
OSVersion: | 5.1 |
ImageVersion: | - |
SubsystemVersion: | 5.1 |
Subsystem: | Windows GUI |
Architecture: | IMAGE_FILE_MACHINE_I386 |
---|---|
Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
Compilation Date: | 26-Mar-2020 10:02:47 |
Detected languages: |
|
Debug artifacts: |
|
Magic number: | MZ |
---|---|
Bytes on last page of file: | 0x0090 |
Pages in file: | 0x0003 |
Relocations: | 0x0000 |
Size of header: | 0x0004 |
Min extra paragraphs: | 0x0000 |
Max extra paragraphs: | 0xFFFF |
Initial SS value: | 0x0000 |
Initial SP value: | 0x00B8 |
Checksum: | 0x0000 |
Initial IP value: | 0x0000 |
Initial CS value: | 0x0000 |
Overlay number: | 0x0000 |
OEM identifier: | 0x0000 |
OEM information: | 0x0000 |
Address of NE header: | 0x00000118 |
Signature: | PE |
---|---|
Machine: | IMAGE_FILE_MACHINE_I386 |
Number of sections: | 6 |
Time date stamp: | 26-Mar-2020 10:02:47 |
Pointer to Symbol Table: | 0x00000000 |
Number of symbols: | 0 |
Size of Optional Header: | 0x00E0 |
Characteristics: |
|
Name | Virtual Address | Virtual Size | Raw Size | Charateristics | Entropy |
---|---|---|---|---|---|
.text | 0x00001000 | 0x00030581 | 0x00030600 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 6.70021 |
.rdata | 0x00032000 | 0x0000A332 | 0x0000A400 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 5.23888 |
.data | 0x0003D000 | 0x000238B0 | 0x00001200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 3.83994 |
.gfids | 0x00061000 | 0x000000E8 | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 2.12166 |
.rsrc | 0x00062000 | 0x0000DFD0 | 0x0000E000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 6.63693 |
.reloc | 0x00070000 | 0x0000210C | 0x00002200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 6.61039 |
Title | Entropy | Size | Codepage | Language | Type |
---|---|---|---|---|---|
1 | 5.25329 | 1875 | UNKNOWN | English - United States | RT_MANIFEST |
2 | 5.10026 | 2216 | UNKNOWN | English - United States | RT_ICON |
3 | 5.25868 | 3752 | UNKNOWN | English - United States | RT_ICON |
4 | 5.02609 | 1128 | UNKNOWN | English - United States | RT_ICON |
5 | 5.18109 | 4264 | UNKNOWN | English - United States | RT_ICON |
6 | 5.04307 | 9640 | UNKNOWN | English - United States | RT_ICON |
7 | 3.1586 | 482 | UNKNOWN | English - United States | RT_STRING |
8 | 3.11685 | 460 | UNKNOWN | English - United States | RT_STRING |
9 | 3.11236 | 440 | UNKNOWN | English - United States | RT_STRING |
10 | 2.99727 | 326 | UNKNOWN | English - United States | RT_STRING |
KERNEL32.dll |
USER32.dll (delay-loaded) |
gdiplus.dll |
PID | CMD | Path | Indicators | Parent process |
---|---|---|---|---|
992 | "C:\Users\admin\AppData\Local\Temp\DCRatBuild.exe" | C:\Users\admin\AppData\Local\Temp\DCRatBuild.exe | explorer.exe | |
User: admin Integrity Level: MEDIUM Exit code: 0 | ||||
3836 | "C:\Windows\System32\WScript.exe" "C:\svcdriver\3isgxqguF7GfCGjS9EFYCfyEOkB4j4.vbe" | C:\Windows\System32\WScript.exe | — | DCRatBuild.exe |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft ® Windows Based Script Host Exit code: 0 Version: 5.8.7600.16385 | ||||
3636 | cmd /c ""C:\svcdriver\HnkgnxFSYda8ifStpE6anG33LHqvg2.bat" " | C:\Windows\System32\cmd.exe | — | WScript.exe |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Exit code: 0 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) | ||||
1956 | "C:\svcdriver\reviewsaves.exe" | C:\svcdriver\reviewsaves.exe | cmd.exe | |
User: admin Integrity Level: MEDIUM Description: Exit code: 0 Version: 0.0.0.0 | ||||
3100 | "schtasks" /create /tn "SearchFilterHost" /sc minute /mo 13 /tr "'C:\Users\admin\Start Menu\SearchFilterHost.exe'" /f | C:\Windows\system32\schtasks.exe | — | reviewsaves.exe |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Manages scheduled tasks Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
1156 | "schtasks" /create /tn "lsm" /sc minute /mo 8 /tr "'C:\svcdriver\lsm.exe'" /f | C:\Windows\system32\schtasks.exe | — | reviewsaves.exe |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Manages scheduled tasks Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
2904 | "C:\svcdriver\lsm.exe" | C:\svcdriver\lsm.exe | reviewsaves.exe | |
User: admin Integrity Level: MEDIUM Description: Exit code: 3221225547 Version: 0.0.0.0 | ||||
3892 | cmd /c ""C:\svcdriver\n4CvVr70SI.bat" " | C:\Windows\system32\cmd.exe | — | lsm.exe |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Exit code: 1 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) | ||||
3228 | chcp 65001 | C:\Windows\system32\chcp.com | — | cmd.exe |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Change CodePage Utility Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
1172 | ping -n 10 localhost | C:\Windows\system32\PING.EXE | — | cmd.exe |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: TCP/IP Ping Command Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) |
(PID) Process: | (992) DCRatBuild.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
Operation: | write | Name: | UNCAsIntranet |
Value: 0 | |||
(PID) Process: | (992) DCRatBuild.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
Operation: | write | Name: | AutoDetect |
Value: 1 | |||
(PID) Process: | (3836) WScript.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
Operation: | write | Name: | UNCAsIntranet |
Value: 0 | |||
(PID) Process: | (3836) WScript.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
Operation: | write | Name: | AutoDetect |
Value: 1 | |||
(PID) Process: | (2904) lsm.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\lsm_RASAPI32 |
Operation: | write | Name: | EnableFileTracing |
Value: 0 | |||
(PID) Process: | (2904) lsm.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\lsm_RASAPI32 |
Operation: | write | Name: | EnableConsoleTracing |
Value: 0 | |||
(PID) Process: | (2904) lsm.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\lsm_RASAPI32 |
Operation: | write | Name: | FileTracingMask |
Value: 4294901760 | |||
(PID) Process: | (2904) lsm.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\lsm_RASAPI32 |
Operation: | write | Name: | ConsoleTracingMask |
Value: 4294901760 | |||
(PID) Process: | (2904) lsm.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\lsm_RASAPI32 |
Operation: | write | Name: | MaxFileSize |
Value: 1048576 | |||
(PID) Process: | (2904) lsm.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\lsm_RASAPI32 |
Operation: | write | Name: | FileDirectory |
Value: %windir%\tracing |
PID | Process | Filename | Type | |
---|---|---|---|---|
1956 | reviewsaves.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\617403385cfa5793a54cc4029c1bf0ecc358174e | text | |
MD5:3016A247034B8885FB0640F6E2682F7E | SHA256:C5DB7FBD1970A41A92AF3C2820327FAE805C969A4B96A752F1B8F32FA2AB74ED | |||
1956 | reviewsaves.exe | C:\svcdriver\lsm.exe | executable | |
MD5:1869F2B7D773C38458CAD8352182C4F5 | SHA256:981EE166585550386B6C1F25F5E0B76D70DB9DE31F993487A0D05FBE3BAE3748 | |||
992 | DCRatBuild.exe | C:\svcdriver\reviewsaves.exe | executable | |
MD5:1869F2B7D773C38458CAD8352182C4F5 | SHA256:981EE166585550386B6C1F25F5E0B76D70DB9DE31F993487A0D05FBE3BAE3748 | |||
1956 | reviewsaves.exe | C:\svcdriver\101b941d020240259ca4912829b53995ad543df6 | text | |
MD5:2F542C3909C414371D305885764BDA81 | SHA256:382DF49B29822B976462D3812037A028EFAECAE82B499CBDA3BF62DAC6BB406D | |||
992 | DCRatBuild.exe | C:\svcdriver\3isgxqguF7GfCGjS9EFYCfyEOkB4j4.vbe | vbe | |
MD5:EB0950E660CA9777F50895BB0FE99425 | SHA256:944030DF680A09611E9947121C980BC3F19C61AB64BE7D2E21B5F43701E66D17 | |||
2904 | lsm.exe | C:\svcdriver\n4CvVr70SI.bat | text | |
MD5:4F8E3B04F998B105FBE3A9BA4F507550 | SHA256:6EBFE6CE9108E5A0DC2085D7673363DF34F2ADD040EF61BB0E36DD2069853292 | |||
1956 | reviewsaves.exe | C:\Users\admin\AppData\Local\Temp\abaebbacece756a7723cac6dafe625fc.tmp | text | |
MD5:C1908BCB70343B7E9A88C3FB6EF917C0 | SHA256:B733AA010A33F15E73493F6D981B84480C68D3343DCE5EA867F21D75F843CC4C | |||
3720 | lsm.exe | C:\svcdriver\2OdaFrHRka.bat | text | |
MD5:706E70E25B93D5FC6C33858C1A6C3E8B | SHA256:F09ECD108E9B813160495DC7F527B46A48B48385DDDC9E29EFCA1CE1063FD698 | |||
992 | DCRatBuild.exe | C:\svcdriver\HnkgnxFSYda8ifStpE6anG33LHqvg2.bat | text | |
MD5:F304DF7B2193D7E44A0EE14DEBB4506C | SHA256:DD2195D6D3095B2D0B30E8E69FC856457459360F2AFCC3895FAFFC34945C4173 | |||
1956 | reviewsaves.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\SearchFilterHost.exe | executable | |
MD5:1869F2B7D773C38458CAD8352182C4F5 | SHA256:981EE166585550386B6C1F25F5E0B76D70DB9DE31F993487A0D05FBE3BAE3748 |
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
---|---|---|---|---|---|---|---|---|---|
2904 | lsm.exe | GET | 200 | 212.109.221.199:80 | http://212.109.221.199/5booxt9wdd48afrc26luh3qy9llow870aogvcz0lxmnej04syrf3itzhm2nwk0hegsyb5e9bcph651xz/8rgucc2rsmmaaj6zlatwmgdx1h0ag70j54q4dwp0836bvpvd1e8del2495359/c664043b10a4ca762a4f5a9916191d0770d372dc.php?8b739a627516e8699a075e67b5481523=9149f7a2d06d9ff35ad07310b1e0bea0&c92c62c6c881c912484db45b52c88d80=afbddd404b6e908834ec01647b97c946c53a6d64 | RU | text | 67 b | malicious |
1904 | lsm.exe | GET | 200 | 212.109.221.199:80 | http://212.109.221.199/5booxt9wdd48afrc26luh3qy9llow870aogvcz0lxmnej04syrf3itzhm2nwk0hegsyb5e9bcph651xz/8rgucc2rsmmaaj6zlatwmgdx1h0ag70j54q4dwp0836bvpvd1e8del2495359/c664043b10a4ca762a4f5a9916191d0770d372dc.php?8b739a627516e8699a075e67b5481523=9149f7a2d06d9ff35ad07310b1e0bea0&c92c62c6c881c912484db45b52c88d80=afbddd404b6e908834ec01647b97c946c53a6d64 | RU | text | 67 b | malicious |
2564 | lsm.exe | GET | 200 | 212.109.221.199:80 | http://212.109.221.199/5booxt9wdd48afrc26luh3qy9llow870aogvcz0lxmnej04syrf3itzhm2nwk0hegsyb5e9bcph651xz/8rgucc2rsmmaaj6zlatwmgdx1h0ag70j54q4dwp0836bvpvd1e8del2495359/c664043b10a4ca762a4f5a9916191d0770d372dc.php?37ab3dfa8a2a8419489e84f33ea2f6c4=c | RU | text | 15 b | malicious |
3720 | lsm.exe | GET | 200 | 212.109.221.199:80 | http://212.109.221.199/5booxt9wdd48afrc26luh3qy9llow870aogvcz0lxmnej04syrf3itzhm2nwk0hegsyb5e9bcph651xz/8rgucc2rsmmaaj6zlatwmgdx1h0ag70j54q4dwp0836bvpvd1e8del2495359/c664043b10a4ca762a4f5a9916191d0770d372dc.php?8b739a627516e8699a075e67b5481523=9149f7a2d06d9ff35ad07310b1e0bea0&c92c62c6c881c912484db45b52c88d80=afbddd404b6e908834ec01647b97c946c53a6d64 | RU | text | 67 b | malicious |
3400 | lsm.exe | GET | 200 | 212.109.221.199:80 | http://212.109.221.199/5booxt9wdd48afrc26luh3qy9llow870aogvcz0lxmnej04syrf3itzhm2nwk0hegsyb5e9bcph651xz/8rgucc2rsmmaaj6zlatwmgdx1h0ag70j54q4dwp0836bvpvd1e8del2495359/c664043b10a4ca762a4f5a9916191d0770d372dc.php?8b739a627516e8699a075e67b5481523=9149f7a2d06d9ff35ad07310b1e0bea0&c92c62c6c881c912484db45b52c88d80=afbddd404b6e908834ec01647b97c946c53a6d64 | RU | text | 67 b | malicious |
2564 | lsm.exe | GET | 200 | 212.109.221.199:80 | http://212.109.221.199/5booxt9wdd48afrc26luh3qy9llow870aogvcz0lxmnej04syrf3itzhm2nwk0hegsyb5e9bcph651xz/8rgucc2rsmmaaj6zlatwmgdx1h0ag70j54q4dwp0836bvpvd1e8del2495359/c664043b10a4ca762a4f5a9916191d0770d372dc.php?8b739a627516e8699a075e67b5481523=9149f7a2d06d9ff35ad07310b1e0bea0&c92c62c6c881c912484db45b52c88d80=afbddd404b6e908834ec01647b97c946c53a6d64 | RU | text | 67 b | malicious |
1904 | lsm.exe | GET | 200 | 212.109.221.199:80 | http://212.109.221.199/5booxt9wdd48afrc26luh3qy9llow870aogvcz0lxmnej04syrf3itzhm2nwk0hegsyb5e9bcph651xz/8rgucc2rsmmaaj6zlatwmgdx1h0ag70j54q4dwp0836bvpvd1e8del2495359/c664043b10a4ca762a4f5a9916191d0770d372dc.php?37ab3dfa8a2a8419489e84f33ea2f6c4=c | RU | text | 15 b | malicious |
3720 | lsm.exe | GET | 200 | 212.109.221.199:80 | http://212.109.221.199/5booxt9wdd48afrc26luh3qy9llow870aogvcz0lxmnej04syrf3itzhm2nwk0hegsyb5e9bcph651xz/8rgucc2rsmmaaj6zlatwmgdx1h0ag70j54q4dwp0836bvpvd1e8del2495359/c664043b10a4ca762a4f5a9916191d0770d372dc.php?37ab3dfa8a2a8419489e84f33ea2f6c4=c | RU | text | 15 b | malicious |
2904 | lsm.exe | GET | 200 | 212.109.221.199:80 | http://212.109.221.199/5booxt9wdd48afrc26luh3qy9llow870aogvcz0lxmnej04syrf3itzhm2nwk0hegsyb5e9bcph651xz/8rgucc2rsmmaaj6zlatwmgdx1h0ag70j54q4dwp0836bvpvd1e8del2495359/c664043b10a4ca762a4f5a9916191d0770d372dc.php?37ab3dfa8a2a8419489e84f33ea2f6c4=c | RU | text | 15 b | malicious |
3400 | lsm.exe | GET | 200 | 212.109.221.199:80 | http://212.109.221.199/5booxt9wdd48afrc26luh3qy9llow870aogvcz0lxmnej04syrf3itzhm2nwk0hegsyb5e9bcph651xz/8rgucc2rsmmaaj6zlatwmgdx1h0ag70j54q4dwp0836bvpvd1e8del2495359/c664043b10a4ca762a4f5a9916191d0770d372dc.php?37ab3dfa8a2a8419489e84f33ea2f6c4=c | RU | text | 15 b | malicious |
PID | Process | IP | Domain | ASN | CN | Reputation |
---|---|---|---|---|---|---|
3400 | lsm.exe | 212.109.221.199:80 | — | JSC ISPsystem | RU | malicious |
2904 | lsm.exe | 212.109.221.199:80 | — | JSC ISPsystem | RU | malicious |
3720 | lsm.exe | 212.109.221.199:80 | — | JSC ISPsystem | RU | malicious |
2564 | lsm.exe | 212.109.221.199:80 | — | JSC ISPsystem | RU | malicious |
1904 | lsm.exe | 212.109.221.199:80 | — | JSC ISPsystem | RU | malicious |
PID | Process | Class | Message |
---|---|---|---|
2904 | lsm.exe | A Network Trojan was detected | ET TROJAN DCRat Initial CnC Activity |
3720 | lsm.exe | A Network Trojan was detected | ET TROJAN DCRat Initial CnC Activity |
3400 | lsm.exe | A Network Trojan was detected | ET TROJAN DCRat Initial CnC Activity |
2564 | lsm.exe | A Network Trojan was detected | ET TROJAN DCRat Initial CnC Activity |
1904 | lsm.exe | A Network Trojan was detected | ET TROJAN DCRat Initial CnC Activity |