Analysis
-
max time kernel
120s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
17-04-2024 14:56
Static task
static1
Behavioral task
behavioral1
Sample
1af4b1e67dee34e1ce541150c83e1be4f75766d47ecebf4b476cb08aa04fa837.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
1af4b1e67dee34e1ce541150c83e1be4f75766d47ecebf4b476cb08aa04fa837.exe
Resource
win10v2004-20240412-en
General
-
Target
1af4b1e67dee34e1ce541150c83e1be4f75766d47ecebf4b476cb08aa04fa837.exe
-
Size
525KB
-
MD5
3138b63ef0d439ebc2e631452307c089
-
SHA1
176b629248c486842e03a897192dbc6043a57fe5
-
SHA256
1af4b1e67dee34e1ce541150c83e1be4f75766d47ecebf4b476cb08aa04fa837
-
SHA512
f83dcb33c5777d9efc9100705761786a7d1dada83331866a95fbd3042357f7d7b87aa36cc1dc7fcbe8e9af4118bdd1cd5e2734366c1cc7d1c85b95be8c6767c0
-
SSDEEP
12288:/ytros3iYd2DGhjsTJWJHJ+HgyJsMgqFyaHs:/WosNDdRJHcHZJt
Malware Config
Extracted
snakekeylogger
http://varders.kozow.com:8081
http://aborters.duckdns.org:8081
http://anotherarmy.dns.army:8081
Signatures
-
Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
-
Snake Keylogger payload 5 IoCs
Processes:
resource yara_rule behavioral1/memory/2120-8-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2120-10-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2120-13-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2120-16-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/2120-18-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 4 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
1af4b1e67dee34e1ce541150c83e1be4f75766d47ecebf4b476cb08aa04fa837.exedescription pid process target process PID 2512 set thread context of 2120 2512 1af4b1e67dee34e1ce541150c83e1be4f75766d47ecebf4b476cb08aa04fa837.exe RegAsm.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
RegAsm.exepid process 2120 RegAsm.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegAsm.exedescription pid process Token: SeDebugPrivilege 2120 RegAsm.exe -
Suspicious use of WriteProcessMemory 20 IoCs
Processes:
1af4b1e67dee34e1ce541150c83e1be4f75766d47ecebf4b476cb08aa04fa837.exeRegAsm.execmd.exedescription pid process target process PID 2512 wrote to memory of 2120 2512 1af4b1e67dee34e1ce541150c83e1be4f75766d47ecebf4b476cb08aa04fa837.exe RegAsm.exe PID 2512 wrote to memory of 2120 2512 1af4b1e67dee34e1ce541150c83e1be4f75766d47ecebf4b476cb08aa04fa837.exe RegAsm.exe PID 2512 wrote to memory of 2120 2512 1af4b1e67dee34e1ce541150c83e1be4f75766d47ecebf4b476cb08aa04fa837.exe RegAsm.exe PID 2512 wrote to memory of 2120 2512 1af4b1e67dee34e1ce541150c83e1be4f75766d47ecebf4b476cb08aa04fa837.exe RegAsm.exe PID 2512 wrote to memory of 2120 2512 1af4b1e67dee34e1ce541150c83e1be4f75766d47ecebf4b476cb08aa04fa837.exe RegAsm.exe PID 2512 wrote to memory of 2120 2512 1af4b1e67dee34e1ce541150c83e1be4f75766d47ecebf4b476cb08aa04fa837.exe RegAsm.exe PID 2512 wrote to memory of 2120 2512 1af4b1e67dee34e1ce541150c83e1be4f75766d47ecebf4b476cb08aa04fa837.exe RegAsm.exe PID 2512 wrote to memory of 2120 2512 1af4b1e67dee34e1ce541150c83e1be4f75766d47ecebf4b476cb08aa04fa837.exe RegAsm.exe PID 2512 wrote to memory of 2120 2512 1af4b1e67dee34e1ce541150c83e1be4f75766d47ecebf4b476cb08aa04fa837.exe RegAsm.exe PID 2512 wrote to memory of 2120 2512 1af4b1e67dee34e1ce541150c83e1be4f75766d47ecebf4b476cb08aa04fa837.exe RegAsm.exe PID 2512 wrote to memory of 2120 2512 1af4b1e67dee34e1ce541150c83e1be4f75766d47ecebf4b476cb08aa04fa837.exe RegAsm.exe PID 2512 wrote to memory of 2120 2512 1af4b1e67dee34e1ce541150c83e1be4f75766d47ecebf4b476cb08aa04fa837.exe RegAsm.exe PID 2120 wrote to memory of 2544 2120 RegAsm.exe cmd.exe PID 2120 wrote to memory of 2544 2120 RegAsm.exe cmd.exe PID 2120 wrote to memory of 2544 2120 RegAsm.exe cmd.exe PID 2120 wrote to memory of 2544 2120 RegAsm.exe cmd.exe PID 2544 wrote to memory of 2448 2544 cmd.exe choice.exe PID 2544 wrote to memory of 2448 2544 cmd.exe choice.exe PID 2544 wrote to memory of 2448 2544 cmd.exe choice.exe PID 2544 wrote to memory of 2448 2544 cmd.exe choice.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\1af4b1e67dee34e1ce541150c83e1be4f75766d47ecebf4b476cb08aa04fa837.exe"C:\Users\Admin\AppData\Local\Temp\1af4b1e67dee34e1ce541150c83e1be4f75766d47ecebf4b476cb08aa04fa837.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 3 & Del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"3⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\choice.exechoice /C Y /N /D Y /T 34⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
-
memory/2120-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmpFilesize
4KB
-
memory/2120-10-0x0000000000400000-0x0000000000426000-memory.dmpFilesize
152KB
-
memory/2120-18-0x0000000000400000-0x0000000000426000-memory.dmpFilesize
152KB
-
memory/2120-16-0x0000000000400000-0x0000000000426000-memory.dmpFilesize
152KB
-
memory/2120-8-0x0000000000400000-0x0000000000426000-memory.dmpFilesize
152KB
-
memory/2120-5-0x0000000000400000-0x0000000000426000-memory.dmpFilesize
152KB
-
memory/2120-13-0x0000000000400000-0x0000000000426000-memory.dmpFilesize
152KB
-
memory/2120-7-0x0000000000400000-0x0000000000426000-memory.dmpFilesize
152KB
-
memory/2512-0-0x0000000001360000-0x00000000013EA000-memory.dmpFilesize
552KB
-
memory/2512-1-0x00000000745C0000-0x0000000074CAE000-memory.dmpFilesize
6.9MB
-
memory/2512-4-0x0000000000420000-0x0000000000428000-memory.dmpFilesize
32KB
-
memory/2512-15-0x00000000745C0000-0x0000000074CAE000-memory.dmpFilesize
6.9MB
-
memory/2512-3-0x00000000012B0000-0x00000000012F0000-memory.dmpFilesize
256KB
-
memory/2512-2-0x00000000004B0000-0x0000000000504000-memory.dmpFilesize
336KB