| File name: | 25105f93afc991d26c4962638055659d.exe |
| Full analysis: | https://app.any.run/tasks/0f80f7f4-2fe4-4fa9-a75e-0ecb3755dafc |
| 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: | March 31, 2023, 20:38:08 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (GUI) Intel 80386, for MS Windows |
| MD5: | 25105F93AFC991D26C4962638055659D |
| SHA1: | 2A253D9DA22A8B2D275AF9926A775286730289A9 |
| SHA256: | 01A9053CEB7D249F6DB1AB2C30B5506B4B46CF206279D19D5A77B10B0711AAA7 |
| SSDEEP: | 24576:LGHCm8uPdJcw5dIsrQ2H+DGJVvJFduLQ7+SY5orXqxnj:KuW95WS3eyJTuL4VTaxnj |
MALICIOUS
Application was dropped or rewritten from another process
- PASS-111.exe (PID: 696)
- PASS-111.exe (PID: 1500)
DCRAT detected by memory dumps
- PASS-111.exe (PID: 1500)
- RegSvcs.exe (PID: 892)
SUSPICIOUS
Reads the Internet Settings
- 25105f93afc991d26c4962638055659d.exe (PID: 1692)
- 111.exe (PID: 1588)
- RegSvcs.exe (PID: 892)
Executable content was dropped or overwritten
- 25105f93afc991d26c4962638055659d.exe (PID: 1692)
- 111.exe (PID: 1588)
Starts CMD.EXE for commands execution
- 25105f93afc991d26c4962638055659d.exe (PID: 1692)
Executing commands from a ".bat" file
- 25105f93afc991d26c4962638055659d.exe (PID: 1692)
INFO
The process checks LSA protection
- 25105f93afc991d26c4962638055659d.exe (PID: 1692)
- 111.exe (PID: 1588)
- RegSvcs.exe (PID: 892)
Checks supported languages
- 25105f93afc991d26c4962638055659d.exe (PID: 1692)
- 111.exe (PID: 1588)
- PASS-111.exe (PID: 1500)
- RegSvcs.exe (PID: 892)
Reads the computer name
- 25105f93afc991d26c4962638055659d.exe (PID: 1692)
- 111.exe (PID: 1588)
- RegSvcs.exe (PID: 892)
Create files in a temporary directory
- 25105f93afc991d26c4962638055659d.exe (PID: 1692)
- 111.exe (PID: 1588)
Reads Environment values
- RegSvcs.exe (PID: 892)
Reads the machine GUID from the registry
- RegSvcs.exe (PID: 892)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
DcRat
(PID) Process(892) RegSvcs.exe
C2 (1)http://91.201.112.111/linuxProcessorDownloads/Httpauth2cpu/sqlJavascript/pipe3/@zRWYvxmb39GZlBXaw1mV
Options
MutexDCR_MUTEX-8LKEnYrRE3xKEkqwgSlc
savebrowsersdatatosinglefilefalse
ignorepartiallyemptydatafalse
cookiestrue
passwordstrue
formstrue
cctrue
historyfalse
telegramtrue
steamtrue
discordtrue
filezillatrue
screenshottrue
clipboardtrue
sysinfotrue
searchpath%UsersFolder% - Fast
Targetru
TRiD
| .exe | | | Win64 Executable (generic) (76.4) |
|---|---|---|
| .exe | | | Win32 Executable (generic) (12.4) |
| .exe | | | Generic Win/DOS Executable (5.5) |
| .exe | | | DOS Executable Generic (5.5) |
EXIF
EXE
| Subsystem: | Windows GUI |
|---|---|
| SubsystemVersion: | 5.1 |
| ImageVersion: | - |
| OSVersion: | 5.1 |
| EntryPoint: | 0x1f110 |
| UninitializedDataSize: | - |
| InitializedDataSize: | 175616 |
| CodeSize: | 201216 |
| LinkerVersion: | 14.3 |
| PEType: | PE32 |
| ImageFileCharacteristics: | Executable, 32-bit |
| TimeStamp: | 2022:01:24 07:31:18+00:00 |
| MachineType: | Intel 386 or later, and compatibles |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 24-Jan-2022 07:31:18 |
| Detected languages: |
|
| Debug artifacts: |
|
DOS Header
| 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: | 0x00000120 |
PE Headers
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 6 |
| Time date stamp: | 24-Jan-2022 07:31:18 |
| Pointer to Symbol Table: | 0x00000000 |
| Number of symbols: | 0 |
| Size of Optional Header: | 0x00E0 |
| Characteristics: |
|
Sections
Name | Virtual Address | Virtual Size | Raw Size | Charateristics | Entropy |
|---|---|---|---|---|---|
.text | 0x00001000 | 0x000311EA | 0x00031200 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 6.71153 |
.rdata | 0x00033000 | 0x0000AB02 | 0x0000AC00 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 5.23189 |
.data | 0x0003E000 | 0x000246D8 | 0x00001000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 4.34668 |
.didat | 0x00063000 | 0x0000018C | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 3.36381 |
.rsrc | 0x00064000 | 0x0001CBF0 | 0x0001CC00 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 7.24685 |
.reloc | 0x00081000 | 0x0000229C | 0x00002400 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 6.56962 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 5.25329 | 1875 | Latin 1 / Western European | UNKNOWN | RT_MANIFEST |
2 | 6.16037 | 2216 | Latin 1 / Western European | Process Default Language | RT_ICON |
3 | 2.8402 | 1384 | Latin 1 / Western European | Process Default Language | RT_ICON |
4 | 5.73346 | 9640 | Latin 1 / Western European | Process Default Language | RT_ICON |
5 | 5.72265 | 4264 | Latin 1 / Western European | Process Default Language | RT_ICON |
6 | 5.38656 | 1128 | Latin 1 / Western European | Process Default Language | RT_ICON |
7 | 3.66634 | 508 | Latin 1 / Western European | UNKNOWN | RT_STRING |
8 | 3.71728 | 582 | Latin 1 / Western European | UNKNOWN | RT_STRING |
9 | 3.73856 | 422 | Latin 1 / Western European | UNKNOWN | RT_STRING |
10 | 3.55807 | 220 | Latin 1 / Western European | UNKNOWN | RT_STRING |
Imports
KERNEL32.dll |
USER32.dll (delay-loaded) |
gdiplus.dll |
Total processes
41
Monitored processes
6
Malicious processes
5
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 696 | "C:\Users\admin\AppData\Local\Temp\PASS-111.exe" | C:\Users\admin\AppData\Local\Temp\PASS-111.exe | — | 111.exe | |||||||||||
User: admin Integrity Level: MEDIUM Exit code: 3221226540 Modules
| |||||||||||||||
| 892 | "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe" | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | PASS-111.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Microsoft .NET Services Installation Utility Exit code: 0 Version: 4.7.2558.0 built by: NET471REL1 Modules
DcRat(PID) Process(892) RegSvcs.exe C2 (1)http://91.201.112.111/linuxProcessorDownloads/Httpauth2cpu/sqlJavascript/pipe3/@zRWYvxmb39GZlBXaw1mV Options MutexDCR_MUTEX-8LKEnYrRE3xKEkqwgSlc savebrowsersdatatosinglefilefalse ignorepartiallyemptydatafalse cookiestrue passwordstrue formstrue cctrue historyfalse telegramtrue steamtrue discordtrue filezillatrue screenshottrue clipboardtrue sysinfotrue searchpath%UsersFolder% - Fast Targetru | |||||||||||||||
| 1260 | C:\Windows\system32\cmd.exe /c ""C:\Users\admin\AppData\Local\Temp\0.bat" " | C:\Windows\SysWOW64\cmd.exe | — | 25105f93afc991d26c4962638055659d.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) Modules
| |||||||||||||||
| 1500 | "C:\Users\admin\AppData\Local\Temp\PASS-111.exe" | C:\Users\admin\AppData\Local\Temp\PASS-111.exe | 111.exe | ||||||||||||
User: admin Integrity Level: HIGH Exit code: 0 Modules
| |||||||||||||||
| 1588 | 111.exe -p111 -dC:\Users\admin\AppData\Local\Temp | C:\Users\admin\AppData\Local\Temp\111.exe | cmd.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 1692 | "C:\Users\admin\AppData\Local\Temp\25105f93afc991d26c4962638055659d.exe" | C:\Users\admin\AppData\Local\Temp\25105f93afc991d26c4962638055659d.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
Total events
3 764
Read events
3 732
Write events
32
Delete events
0
Modification events
| (PID) Process: | (1692) 25105f93afc991d26c4962638055659d.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | ProxyBypass |
Value: 1 | |||
| (PID) Process: | (1692) 25105f93afc991d26c4962638055659d.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | IntranetName |
Value: 1 | |||
| (PID) Process: | (1692) 25105f93afc991d26c4962638055659d.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 1 | |||
| (PID) Process: | (1692) 25105f93afc991d26c4962638055659d.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 0 | |||
| (PID) Process: | (1588) 111.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | ProxyBypass |
Value: 1 | |||
| (PID) Process: | (1588) 111.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | IntranetName |
Value: 1 | |||
| (PID) Process: | (1588) 111.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 1 | |||
| (PID) Process: | (1588) 111.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 0 | |||
Executable files
4
Suspicious files
0
Text files
2
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 1692 | 25105f93afc991d26c4962638055659d.exe | C:\Users\admin\AppData\Local\Temp\0.bat | text | |
MD5:— | SHA256:— | |||
| 1692 | 25105f93afc991d26c4962638055659d.exe | C:\Users\admin\AppData\Local\Temp\111.exe | executable | |
MD5:— | SHA256:— | |||
| 1588 | 111.exe | C:\Users\admin\AppData\Local\Temp\PASS-111.exe | executable | |
MD5:— | SHA256:— | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
2
DNS requests
1
Threats
0
HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
892 | RegSvcs.exe | 91.201.112.111:80 | — | Informational-measuring systems Ltd. | RU | malicious |
DNS requests
Domain | IP | Reputation |
|---|---|---|
dns.msftncsi.com |
| shared |