Analysis
- max time kernel
109s - max time network
113s - platform
windows10_x64 - resource
win10v20201028 - submitted
23/02/2021, 07:20
Static task
static1
Behavioral task
behavioral1
Sample
v2.exe
Resource
win7v20201028
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
v2.exe
Resource
win10v20201028
0 signatures
0 seconds
General
- Target v2.exe
- Size 1.2MB
- Sample210223-jv24rbgl6e
- SHA256 4158eda852ee2f9ccbeceed05ff97af35dac101ed395f622ba41d93ef2ddfedc
- MD5 61d01682aed9dcc9a289043f40c1a41a
- SHA1 9afc061ba2043457e1c21bc35a7ab7cd563bc158
- SHA512 4ea6247fcae1451fca8faacc95a749dd950ee77a006124b71e156350dc4119db2e50ab781a4bba35cba23c2b8371cf3797ed642e318040c262ce5faee89094ff
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger Payload 2 IoCs
resource yara_rule behavioral2/memory/3444-15-0x0000000000400000-0x000000000046A000-memory.dmp family_snakekeylogger behavioral2/memory/3444-16-0x00000000004641BE-mapping.dmp family_snakekeylogger - Executes dropped EXE 1 IoCs
pid Process 3444 InstallUtil.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.
flow ioc 14 checkip.dyndns.org 17 freegeoip.app 18 freegeoip.app - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1112 set thread context of 3444 1112 v2.exe 79 - Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 1112 v2.exe 1112 v2.exe 3444 InstallUtil.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1112 v2.exe Token: SeDebugPrivilege 3444 InstallUtil.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1112 wrote to memory of 3444 1112 v2.exe 79 PID 1112 wrote to memory of 3444 1112 v2.exe 79 PID 1112 wrote to memory of 3444 1112 v2.exe 79 PID 1112 wrote to memory of 3444 1112 v2.exe 79 PID 1112 wrote to memory of 3444 1112 v2.exe 79 PID 1112 wrote to memory of 3444 1112 v2.exe 79 PID 1112 wrote to memory of 3444 1112 v2.exe 79 PID 1112 wrote to memory of 3444 1112 v2.exe 79
Processes
-
C:\Users\Admin\AppData\Local\Temp\v2.exe"C:\Users\Admin\AppData\Local\Temp\v2.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1112 -
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
PID:3444
-