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| File name: | ursnif |
| Full analysis: | https://app.any.run/tasks/33cdaf9e-4177-4240-8faa-8b83592e64a4 |
| Verdict: | Malicious activity |
| Threats: | Trojans are a group of malicious programs distinguished by their ability to masquerade as benign software. Depending on their type, trojans possess a variety of capabilities, ranging from maintaining full remote control over the victim’s machine to stealing data and files, as well as dropping other malware. At the same time, the main functionality of each trojan family can differ significantly depending on its type. The most common trojan infection chain starts with a phishing email. |
| Analysis date: | May 15, 2019, 09:04:04 |
| 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: | B9413FA39FCBC65D51A6E3A629A3D14A |
| SHA1: | FEA2008694D3857ADF96FF34FE626D5CF3EE066B |
| SHA256: | CA9C9B4D32AB4F4028C9AA7276798093E0E51B2DD207C08518B463DB01FFB24F |
| SSDEEP: | 6144:BE/VHmI1rtVgh1yl+1sumULvTHsmT6Fhd:y/VHmIRtVgryl+1zLDIFj |
MALICIOUS
Connects to CnC server
- IEXPLORE.EXE (PID: 2876)
URSNIF was detected
- IEXPLORE.EXE (PID: 2876)
SUSPICIOUS
Application launched itself
- ursnif.exe (PID: 2680)
Reads the machine GUID from the registry
- explorer.exe (PID: 1956)
INFO
Creates files in the user directory
- IEXPLORE.EXE (PID: 2876)
Changes internet zones settings
- iexplore.exe (PID: 2408)
Reads Internet Cache Settings
- iexplore.exe (PID: 2408)
Reads settings of System Certificates
- explorer.exe (PID: 1956)
- iexplore.exe (PID: 2408)
Reads internet explorer settings
- IEXPLORE.EXE (PID: 2876)
Reads the machine GUID from the registry
- iexplore.exe (PID: 2408)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Win32 Executable MS Visual C++ (generic) (42.2) |
|---|---|---|
| .exe | | | Win64 Executable (generic) (37.3) |
| .dll | | | Win32 Dynamic Link Library (generic) (8.8) |
| .exe | | | Win32 Executable (generic) (6) |
| .exe | | | Generic Win/DOS Executable (2.7) |
EXIF
EXE
| Subsystem: | Windows GUI |
|---|---|
| SubsystemVersion: | 5.1 |
| ImageVersion: | - |
| OSVersion: | 5.1 |
| EntryPoint: | 0xdb10 |
| UninitializedDataSize: | - |
| InitializedDataSize: | 162816 |
| CodeSize: | 119296 |
| LinkerVersion: | 121 |
| PEType: | PE32 |
| TimeStamp: | 2019:05:14 23:26:33+02:00 |
| MachineType: | Intel 386 or later, and compatibles |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 14-May-2019 21:26:33 |
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: | 0x000000E8 |
PE Headers
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 5 |
| Time date stamp: | 14-May-2019 21:26:33 |
| 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 | 0x0001D0A4 | 0x0001D200 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 6.53438 |
.rdata | 0x0001F000 | 0x00017AC2 | 0x00017C00 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 6.20013 |
.data | 0x00037000 | 0x0000D230 | 0x00001400 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 3.36361 |
.rsrc | 0x00045000 | 0x00000458 | 0x00000600 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 3.84821 |
.reloc | 0x00046000 | 0x00002434 | 0x00002600 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 4.21639 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 4.79597 | 346 | UNKNOWN | UNKNOWN | RT_MANIFEST |
106 | 4.53492 | 327 | UNKNOWN | UNKNOWN | RTF |
1501 | 3.00064 | 190 | UNKNOWN | UNKNOWN | RT_MENU |
Imports
KERNEL32.dll |
USER32.dll |
Total processes
36
Monitored processes
5
Malicious processes
2
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process |
|---|---|---|---|---|
| 2680 | "C:\Users\admin\Desktop\ursnif.exe" | C:\Users\admin\Desktop\ursnif.exe | — | explorer.exe |
User: admin Integrity Level: MEDIUM Exit code: 0 | ||||
| 2420 | "C:\Users\admin\Desktop\ursnif.exe" | C:\Users\admin\Desktop\ursnif.exe | — | ursnif.exe |
User: admin Integrity Level: MEDIUM | ||||
| 1956 | C:\Windows\Explorer.EXE | C:\Windows\explorer.exe | — | |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Explorer Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
| 2408 | "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding | C:\Program Files\Internet Explorer\iexplore.exe | svchost.exe | |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Internet Explorer Exit code: 1 Version: 11.00.9600.16428 (winblue_gdr.131013-1700) | ||||
| 2876 | "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2408 CREDAT:267521 /prefetch:2 | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | iexplore.exe | |
User: admin Company: Microsoft Corporation Integrity Level: LOW Description: Internet Explorer Exit code: 0 Version: 11.00.9600.16428 (winblue_gdr.131013-1700) | ||||
Total events
1 527
Read events
1 410
Write events
0
Delete events
0
Modification events
Executable files
0
Suspicious files
6
Text files
4
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 1956 | explorer.exe | C:\Users\admin\AppData\Local\Temp\Cab75D8.tmp | — | |
MD5:— | SHA256:— | |||
| 1956 | explorer.exe | C:\Users\admin\AppData\Local\Temp\Tar75D9.tmp | — | |
MD5:— | SHA256:— | |||
| 2408 | iexplore.exe | C:\Users\admin\AppData\Local\Temp\~DFA485998F8946002D.TMP | — | |
MD5:— | SHA256:— | |||
| 2408 | iexplore.exe | C:\Users\admin\AppData\Local\Temp\~DF4D2FDC7DC29B4929.TMP | — | |
MD5:— | SHA256:— | |||
| 2408 | iexplore.exe | C:\Users\admin\AppData\Local\Microsoft\Internet Explorer\Recovery\Active\RecoveryStore.{799067AB-76F0-11E9-9A2C-5254004AAD21}.dat | — | |
MD5:— | SHA256:— | |||
| 2408 | iexplore.exe | C:\Users\admin\AppData\Local\Microsoft\Internet Explorer\IECompatData\iecompatdata.xml | xml | |
MD5:E17BCA3C2F64732D1A734F3CB3632F4B | SHA256:C2B7F56B9C4C3C53877716AD7B5A36656DED2CA063E6293AD323EFF8B28628B0 | |||
| 1956 | explorer.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\77EC63BDA74BD0D0E0426DC8F8008506 | compressed | |
MD5:7EB117D4F238090940DBE43EFBCDF1F4 | SHA256:A45A77D256628943190F8AA0F4673496D11DBA6BC3569796B6F733465FD005E4 | |||
| 2876 | IEXPLORE.EXE | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Cookies\Low\RECMRWYU.txt | text | |
MD5:5FD40813DB88E2F8CE2B43BB82BFB00D | SHA256:0F37E2F4C302EDAB184724876ABC18F67582338FE90D86E8C57AB1EE0FDDCF0A | |||
| 2408 | iexplore.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\K78MRVB5\iecompatviewlist[1].xml | xml | |
MD5:E17BCA3C2F64732D1A734F3CB3632F4B | SHA256:C2B7F56B9C4C3C53877716AD7B5A36656DED2CA063E6293AD323EFF8B28628B0 | |||
| 2408 | iexplore.exe | C:\Users\admin\AppData\Local\Microsoft\Internet Explorer\Recovery\Active\{799067AD-76F0-11E9-9A2C-5254004AAD21}.dat | binary | |
MD5:933EDFE9036186DA5C16B5A903701E59 | SHA256:9535F2C5F240974FE6DC2669E19C2A46543023D7D448E7F58707BEB77D10DD90 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
7
TCP/UDP connections
10
DNS requests
4
Threats
0
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
2876 | IEXPLORE.EXE | GET | 200 | 193.242.211.167:80 | http://wregwergewerger.icu/images/gEa0xRzKAkvRfXQ0/KxKOaqyB59JP29o/Zd29Gb0KH9D3rOn6Oq/vgefXyDWx/TRlPvLQpTjSRJnIZJlUJ/6aBQD9DvuLwtOix4XwB/191X0i_2Bo6JMXmtuHWSXj/89M2Zr1lvrXWC/X64nF4HX/_2BqRh2bV_2FXgO/f.avi | NL | — | — | malicious |
2408 | iexplore.exe | GET | 304 | 152.199.19.161:443 | https://iecvlist.microsoft.com/ie11blocklist/1401746408/versionlistWin7.xml | US | — | — | whitelisted |
2408 | iexplore.exe | GET | 200 | 152.199.19.161:443 | https://r20swj13mr.microsoft.com/ieblocklist/v1/urlblocklist.bin | US | — | — | whitelisted |
2408 | iexplore.exe | GET | 200 | 152.199.19.161:443 | https://iecvlist.microsoft.com/IE11/1479242656000/iecompatviewlist.xml | US | xml | 362 Kb | whitelisted |
2408 | iexplore.exe | GET | 200 | 152.199.19.161:443 | https://r20swj13mr.microsoft.com/ieblocklist/v1/urlblockindex.bin | US | binary | 16 b | whitelisted |
2408 | iexplore.exe | GET | 200 | 193.242.211.167:80 | http://wregwergewerger.icu/favicon.ico | NL | image | 5.30 Kb | malicious |
1956 | explorer.exe | GET | 200 | 13.107.4.50:80 | http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab?644272b7782b09ff | US | compressed | 56.1 Kb | whitelisted |
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
2408 | iexplore.exe | 152.199.19.161:443 | iecvlist.microsoft.com | MCI Communications Services, Inc. d/b/a Verizon Business | US | whitelisted |
2876 | IEXPLORE.EXE | 193.242.211.167:80 | wregwergewerger.icu | easystores GmbH | NL | malicious |
2408 | iexplore.exe | 193.242.211.167:80 | wregwergewerger.icu | easystores GmbH | NL | malicious |
1956 | explorer.exe | 13.107.4.50:80 | ctldl.windowsupdate.com | Microsoft Corporation | US | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
ctldl.windowsupdate.com |
| whitelisted |
wregwergewerger.icu |
| malicious |
iecvlist.microsoft.com |
| whitelisted |
r20swj13mr.microsoft.com |
| whitelisted |
Threats
PID | Process | Class | Message |
|---|---|---|---|
— | — | Potentially Bad Traffic | ET INFO DNS Query for Suspicious .icu Domain |
2876 | IEXPLORE.EXE | A Network Trojan was detected | MALWARE [PTsecurity] W32.Dreambot HTTP GET Check-in |
2 ETPRO signatures available at the full report