Analysis
-
max time kernel
43s -
max time network
141s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
26-01-2021 15:56
Static task
static1
Behavioral task
behavioral1
Sample
6f9a9e4bf7982b48dda0ba7fd67c39d7.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
6f9a9e4bf7982b48dda0ba7fd67c39d7.exe
Resource
win10v20201028
General
-
Target
6f9a9e4bf7982b48dda0ba7fd67c39d7.exe
-
Size
1.2MB
-
MD5
6f9a9e4bf7982b48dda0ba7fd67c39d7
-
SHA1
41d9e74977d68ce1744744e6bfe0171d6b4b895e
-
SHA256
7c6d1379dd3786047f63cb90f2f318c00ac1483c6a5f6e00ad8efb6240a6548c
-
SHA512
03f450beb73ada241517cc8f03f48b4b4268a52766742e25e77fdab0ab0b916a29c6429a6a23c82991ff71571b76899db42b3dca8251dcda2385598ce19a894e
Malware Config
Signatures
-
Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
-
Snake Keylogger Payload 3 IoCs
Processes:
resource yara_rule behavioral1/memory/1480-27-0x0000000000400000-0x0000000000468000-memory.dmp family_snakekeylogger behavioral1/memory/1480-28-0x0000000000463B7E-mapping.dmp family_snakekeylogger behavioral1/memory/1480-31-0x0000000000400000-0x0000000000468000-memory.dmp family_snakekeylogger -
Executes dropped EXE 2 IoCs
Processes:
rokg.exeInstallUtil.exepid process 1472 rokg.exe 1480 InstallUtil.exe -
Loads dropped DLL 2 IoCs
Processes:
6f9a9e4bf7982b48dda0ba7fd67c39d7.exerokg.exepid process 1904 6f9a9e4bf7982b48dda0ba7fd67c39d7.exe 1472 rokg.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
-
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
-
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
reg.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Windows\CurrentVersion\Run reg.exe Set value (str) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Windows\CurrentVersion\Run\bme = "C:\\Users\\Admin\\rokg.exe" reg.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 10 checkip.dyndns.org 15 freegeoip.app 16 freegeoip.app -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Suspicious use of SetThreadContext 1 IoCs
Processes:
rokg.exedescription pid process target process PID 1472 set thread context of 1480 1472 rokg.exe InstallUtil.exe -
Suspicious behavior: EnumeratesProcesses 14 IoCs
Processes:
6f9a9e4bf7982b48dda0ba7fd67c39d7.exerokg.exeInstallUtil.exepid process 1904 6f9a9e4bf7982b48dda0ba7fd67c39d7.exe 1904 6f9a9e4bf7982b48dda0ba7fd67c39d7.exe 1904 6f9a9e4bf7982b48dda0ba7fd67c39d7.exe 1904 6f9a9e4bf7982b48dda0ba7fd67c39d7.exe 1904 6f9a9e4bf7982b48dda0ba7fd67c39d7.exe 1472 rokg.exe 1472 rokg.exe 1480 InstallUtil.exe 1480 InstallUtil.exe 1480 InstallUtil.exe 1480 InstallUtil.exe 1480 InstallUtil.exe 1480 InstallUtil.exe 1480 InstallUtil.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
6f9a9e4bf7982b48dda0ba7fd67c39d7.exerokg.exeInstallUtil.exedescription pid process Token: SeDebugPrivilege 1904 6f9a9e4bf7982b48dda0ba7fd67c39d7.exe Token: SeDebugPrivilege 1472 rokg.exe Token: SeDebugPrivilege 1480 InstallUtil.exe -
Suspicious use of WriteProcessMemory 24 IoCs
Processes:
6f9a9e4bf7982b48dda0ba7fd67c39d7.execmd.exerokg.exedescription pid process target process PID 1904 wrote to memory of 432 1904 6f9a9e4bf7982b48dda0ba7fd67c39d7.exe cmd.exe PID 1904 wrote to memory of 432 1904 6f9a9e4bf7982b48dda0ba7fd67c39d7.exe cmd.exe PID 1904 wrote to memory of 432 1904 6f9a9e4bf7982b48dda0ba7fd67c39d7.exe cmd.exe PID 1904 wrote to memory of 432 1904 6f9a9e4bf7982b48dda0ba7fd67c39d7.exe cmd.exe PID 432 wrote to memory of 592 432 cmd.exe reg.exe PID 432 wrote to memory of 592 432 cmd.exe reg.exe PID 432 wrote to memory of 592 432 cmd.exe reg.exe PID 432 wrote to memory of 592 432 cmd.exe reg.exe PID 1904 wrote to memory of 1472 1904 6f9a9e4bf7982b48dda0ba7fd67c39d7.exe rokg.exe PID 1904 wrote to memory of 1472 1904 6f9a9e4bf7982b48dda0ba7fd67c39d7.exe rokg.exe PID 1904 wrote to memory of 1472 1904 6f9a9e4bf7982b48dda0ba7fd67c39d7.exe rokg.exe PID 1904 wrote to memory of 1472 1904 6f9a9e4bf7982b48dda0ba7fd67c39d7.exe rokg.exe PID 1472 wrote to memory of 1480 1472 rokg.exe InstallUtil.exe PID 1472 wrote to memory of 1480 1472 rokg.exe InstallUtil.exe PID 1472 wrote to memory of 1480 1472 rokg.exe InstallUtil.exe PID 1472 wrote to memory of 1480 1472 rokg.exe InstallUtil.exe PID 1472 wrote to memory of 1480 1472 rokg.exe InstallUtil.exe PID 1472 wrote to memory of 1480 1472 rokg.exe InstallUtil.exe PID 1472 wrote to memory of 1480 1472 rokg.exe InstallUtil.exe PID 1472 wrote to memory of 1480 1472 rokg.exe InstallUtil.exe PID 1472 wrote to memory of 1480 1472 rokg.exe InstallUtil.exe PID 1472 wrote to memory of 1480 1472 rokg.exe InstallUtil.exe PID 1472 wrote to memory of 1480 1472 rokg.exe InstallUtil.exe PID 1472 wrote to memory of 1480 1472 rokg.exe InstallUtil.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\6f9a9e4bf7982b48dda0ba7fd67c39d7.exe"C:\Users\Admin\AppData\Local\Temp\6f9a9e4bf7982b48dda0ba7fd67c39d7.exe"1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1904 -
C:\Windows\SysWOW64\cmd.exe"cmd.exe" /c REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "bme" /t REG_SZ /d "C:\Users\Admin\rokg.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:432 -
C:\Windows\SysWOW64\reg.exeREG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "bme" /t REG_SZ /d "C:\Users\Admin\rokg.exe"3⤵
- Adds Run key to start application
PID:592 -
C:\Users\Admin\rokg.exe"C:\Users\Admin\rokg.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1472 -
C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1480
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\InstallUtil.exeMD5
91c9ae9c9a17a9db5e08b120e668c74c
SHA150770954c1ceb0bb6f1d5d3f2de2a0a065773723
SHA256e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f
SHA512ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e
-
C:\Users\Admin\AppData\Local\Temp\InstallUtil.exeMD5
91c9ae9c9a17a9db5e08b120e668c74c
SHA150770954c1ceb0bb6f1d5d3f2de2a0a065773723
SHA256e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f
SHA512ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e
-
C:\Users\Admin\rokg.exeMD5
6f9a9e4bf7982b48dda0ba7fd67c39d7
SHA141d9e74977d68ce1744744e6bfe0171d6b4b895e
SHA2567c6d1379dd3786047f63cb90f2f318c00ac1483c6a5f6e00ad8efb6240a6548c
SHA51203f450beb73ada241517cc8f03f48b4b4268a52766742e25e77fdab0ab0b916a29c6429a6a23c82991ff71571b76899db42b3dca8251dcda2385598ce19a894e
-
C:\Users\Admin\rokg.exeMD5
6f9a9e4bf7982b48dda0ba7fd67c39d7
SHA141d9e74977d68ce1744744e6bfe0171d6b4b895e
SHA2567c6d1379dd3786047f63cb90f2f318c00ac1483c6a5f6e00ad8efb6240a6548c
SHA51203f450beb73ada241517cc8f03f48b4b4268a52766742e25e77fdab0ab0b916a29c6429a6a23c82991ff71571b76899db42b3dca8251dcda2385598ce19a894e
-
\Users\Admin\AppData\Local\Temp\InstallUtil.exeMD5
91c9ae9c9a17a9db5e08b120e668c74c
SHA150770954c1ceb0bb6f1d5d3f2de2a0a065773723
SHA256e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f
SHA512ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e
-
\Users\Admin\rokg.exeMD5
6f9a9e4bf7982b48dda0ba7fd67c39d7
SHA141d9e74977d68ce1744744e6bfe0171d6b4b895e
SHA2567c6d1379dd3786047f63cb90f2f318c00ac1483c6a5f6e00ad8efb6240a6548c
SHA51203f450beb73ada241517cc8f03f48b4b4268a52766742e25e77fdab0ab0b916a29c6429a6a23c82991ff71571b76899db42b3dca8251dcda2385598ce19a894e
-
memory/432-9-0x0000000000000000-mapping.dmp
-
memory/592-10-0x0000000000000000-mapping.dmp
-
memory/1472-24-0x0000000000A10000-0x0000000000A11000-memory.dmpFilesize
4KB
-
memory/1472-16-0x00000000741A0000-0x000000007488E000-memory.dmpFilesize
6.9MB
-
memory/1472-23-0x0000000000A00000-0x0000000000A0B000-memory.dmpFilesize
44KB
-
memory/1472-13-0x0000000000000000-mapping.dmp
-
memory/1472-19-0x00000000050B0000-0x00000000050B1000-memory.dmpFilesize
4KB
-
memory/1472-17-0x0000000000CC0000-0x0000000000CC1000-memory.dmpFilesize
4KB
-
memory/1480-27-0x0000000000400000-0x0000000000468000-memory.dmpFilesize
416KB
-
memory/1480-28-0x0000000000463B7E-mapping.dmp
-
memory/1480-30-0x00000000741A0000-0x000000007488E000-memory.dmpFilesize
6.9MB
-
memory/1480-31-0x0000000000400000-0x0000000000468000-memory.dmpFilesize
416KB
-
memory/1480-33-0x0000000004C00000-0x0000000004C01000-memory.dmpFilesize
4KB
-
memory/1904-7-0x00000000003F0000-0x000000000040E000-memory.dmpFilesize
120KB
-
memory/1904-5-0x0000000004DD0000-0x0000000004DD1000-memory.dmpFilesize
4KB
-
memory/1904-2-0x00000000741A0000-0x000000007488E000-memory.dmpFilesize
6.9MB
-
memory/1904-8-0x0000000000460000-0x0000000000461000-memory.dmpFilesize
4KB
-
memory/1904-11-0x0000000004DD1000-0x0000000004DD2000-memory.dmpFilesize
4KB
-
memory/1904-3-0x0000000000170000-0x0000000000171000-memory.dmpFilesize
4KB