Analysis
-
max time kernel
24s -
max time network
126s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
26-01-2021 06:31
Static task
static1
Behavioral task
behavioral1
Sample
IMG_1677.EXE
Resource
win7v20201028
Behavioral task
behavioral2
Sample
IMG_1677.EXE
Resource
win10v20201028
General
-
Target
IMG_1677.EXE
-
Size
1.2MB
-
MD5
6814ec089e0a7f02265ce289d58d5a43
-
SHA1
d626b1a7c18d7217ca29381ace800e0ec4165272
-
SHA256
ff68f0b8908d33ce1a3eb32cc1478e911b4e9dd853371f62a604fb366b274234
-
SHA512
0e7465b9510d739cd2c36041c6bffe060a6f57083a2302625d091aab831fd42ab768887de81102a431492926e01364fd0b9a054f09c028cd36458ea83b9867c1
Malware Config
Signatures
-
Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
-
Snake Keylogger Payload 3 IoCs
Processes:
resource yara_rule behavioral1/memory/316-13-0x0000000000400000-0x0000000000468000-memory.dmp family_snakekeylogger behavioral1/memory/316-14-0x000000000046370E-mapping.dmp family_snakekeylogger behavioral1/memory/316-18-0x0000000000400000-0x0000000000468000-memory.dmp family_snakekeylogger -
Executes dropped EXE 1 IoCs
Processes:
InstallUtil.exepid process 316 InstallUtil.exe -
Loads dropped DLL 1 IoCs
Processes:
IMG_1677.EXEpid process 1684 IMG_1677.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.
-
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 8 checkip.dyndns.org 13 freegeoip.app 14 freegeoip.app -
Suspicious use of SetThreadContext 1 IoCs
Processes:
IMG_1677.EXEdescription pid process target process PID 1684 set thread context of 316 1684 IMG_1677.EXE InstallUtil.exe -
Suspicious behavior: EnumeratesProcesses 9 IoCs
Processes:
IMG_1677.EXEInstallUtil.exepid process 1684 IMG_1677.EXE 1684 IMG_1677.EXE 316 InstallUtil.exe 316 InstallUtil.exe 316 InstallUtil.exe 316 InstallUtil.exe 316 InstallUtil.exe 316 InstallUtil.exe 316 InstallUtil.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
IMG_1677.EXEInstallUtil.exedescription pid process Token: SeDebugPrivilege 1684 IMG_1677.EXE Token: SeDebugPrivilege 316 InstallUtil.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
IMG_1677.EXEdescription pid process target process PID 1684 wrote to memory of 316 1684 IMG_1677.EXE InstallUtil.exe PID 1684 wrote to memory of 316 1684 IMG_1677.EXE InstallUtil.exe PID 1684 wrote to memory of 316 1684 IMG_1677.EXE InstallUtil.exe PID 1684 wrote to memory of 316 1684 IMG_1677.EXE InstallUtil.exe PID 1684 wrote to memory of 316 1684 IMG_1677.EXE InstallUtil.exe PID 1684 wrote to memory of 316 1684 IMG_1677.EXE InstallUtil.exe PID 1684 wrote to memory of 316 1684 IMG_1677.EXE InstallUtil.exe PID 1684 wrote to memory of 316 1684 IMG_1677.EXE InstallUtil.exe PID 1684 wrote to memory of 316 1684 IMG_1677.EXE InstallUtil.exe PID 1684 wrote to memory of 316 1684 IMG_1677.EXE InstallUtil.exe PID 1684 wrote to memory of 316 1684 IMG_1677.EXE InstallUtil.exe PID 1684 wrote to memory of 316 1684 IMG_1677.EXE InstallUtil.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\IMG_1677.EXE"C:\Users\Admin\AppData\Local\Temp\IMG_1677.EXE"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK 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
-
\Users\Admin\AppData\Local\Temp\InstallUtil.exeMD5
91c9ae9c9a17a9db5e08b120e668c74c
SHA150770954c1ceb0bb6f1d5d3f2de2a0a065773723
SHA256e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f
SHA512ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e
-
memory/316-13-0x0000000000400000-0x0000000000468000-memory.dmpFilesize
416KB
-
memory/316-20-0x00000000021A0000-0x00000000021A1000-memory.dmpFilesize
4KB
-
memory/316-18-0x0000000000400000-0x0000000000468000-memory.dmpFilesize
416KB
-
memory/316-17-0x0000000074670000-0x0000000074D5E000-memory.dmpFilesize
6.9MB
-
memory/316-14-0x000000000046370E-mapping.dmp
-
memory/1684-8-0x0000000000420000-0x0000000000421000-memory.dmpFilesize
4KB
-
memory/1684-12-0x00000000049A1000-0x00000000049A2000-memory.dmpFilesize
4KB
-
memory/1684-10-0x0000000000690000-0x0000000000691000-memory.dmpFilesize
4KB
-
memory/1684-9-0x00000000005F0000-0x00000000005FB000-memory.dmpFilesize
44KB
-
memory/1684-2-0x0000000074670000-0x0000000074D5E000-memory.dmpFilesize
6.9MB
-
memory/1684-7-0x0000000000530000-0x000000000054E000-memory.dmpFilesize
120KB
-
memory/1684-5-0x00000000049A0000-0x00000000049A1000-memory.dmpFilesize
4KB
-
memory/1684-3-0x0000000001100000-0x0000000001101000-memory.dmpFilesize
4KB