snakekeylogger | dc0c3587015bbc6fc02f6a9adc3080243a6750b4be47bff2a817b730ee6f67e4

General

Target

dc0c3587015bbc6fc02f6a9adc3080243a6750b4be47bff2a817b730ee6f67e4.exe
Size

2.4MB
MD5

570c77d90e5a96486048e52c78eb3688
SHA1

fd641bbf38f52d6b249e39d00fcf1a541422732a
SHA256

dc0c3587015bbc6fc02f6a9adc3080243a6750b4be47bff2a817b730ee6f67e4
SHA512

1bbcda143deaa12e77bd3cbe314309905d1eef946ecbaba42f4dc43d4b548b010058d6aa66e409dd8fddb7efb8e2b66914e6bc2a90c44047d97cba7f0b83dd5d
SSDEEP

6144:8sUu/OLgfh0KcFUgcGuvP/S2yPzDvEOcfpbiza5zdJR6B0d/FxRe2FUUEtiecHXd:8hwOih0Ki8varDMOchbiIR80xNPXVe1K

Score

10^/10

snakekeylogger discovery evasion execution keylogger stealer trojan

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7335929134:AAHf3ReUOk-YWTLyi78ZIgiJgHfofRU2NZ4/sendMessage?chat_id=5120307802

Signatures

Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
stealer keylogger snakekeylogger

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/2660-19-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2660-18-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2660-15-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2660-20-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2660-13-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

UAC bypass 3 TTPs 1 IoCs

evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	dc0c3587015bbc6fc02f6a9adc3080243a6750b4be47bff2a817b730ee6f67e4.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2216	powershell.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	dc0c3587015bbc6fc02f6a9adc3080243a6750b4be47bff2a817b730ee6f67e4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	dc0c3587015bbc6fc02f6a9adc3080243a6750b4be47bff2a817b730ee6f67e4.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2328 set thread context of 2660	2328	dc0c3587015bbc6fc02f6a9adc3080243a6750b4be47bff2a817b730ee6f67e4.exe	34

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regasm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	choice.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2216	powershell.exe
2660	regasm.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2216	powershell.exe
Token: SeDebugPrivilege	2660	regasm.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2328 wrote to memory of 2216	2328	dc0c3587015bbc6fc02f6a9adc3080243a6750b4be47bff2a817b730ee6f67e4.exe	32
PID 2328 wrote to memory of 2216	2328	dc0c3587015bbc6fc02f6a9adc3080243a6750b4be47bff2a817b730ee6f67e4.exe	32
PID 2328 wrote to memory of 2216	2328	dc0c3587015bbc6fc02f6a9adc3080243a6750b4be47bff2a817b730ee6f67e4.exe	32
PID 2328 wrote to memory of 2660	2328	dc0c3587015bbc6fc02f6a9adc3080243a6750b4be47bff2a817b730ee6f67e4.exe	34
PID 2328 wrote to memory of 2660	2328	dc0c3587015bbc6fc02f6a9adc3080243a6750b4be47bff2a817b730ee6f67e4.exe	34
PID 2328 wrote to memory of 2660	2328	dc0c3587015bbc6fc02f6a9adc3080243a6750b4be47bff2a817b730ee6f67e4.exe	34
PID 2328 wrote to memory of 2660	2328	dc0c3587015bbc6fc02f6a9adc3080243a6750b4be47bff2a817b730ee6f67e4.exe	34
PID 2328 wrote to memory of 2660	2328	dc0c3587015bbc6fc02f6a9adc3080243a6750b4be47bff2a817b730ee6f67e4.exe	34
PID 2328 wrote to memory of 2660	2328	dc0c3587015bbc6fc02f6a9adc3080243a6750b4be47bff2a817b730ee6f67e4.exe	34
PID 2328 wrote to memory of 2660	2328	dc0c3587015bbc6fc02f6a9adc3080243a6750b4be47bff2a817b730ee6f67e4.exe	34
PID 2328 wrote to memory of 2660	2328	dc0c3587015bbc6fc02f6a9adc3080243a6750b4be47bff2a817b730ee6f67e4.exe	34
PID 2328 wrote to memory of 2660	2328	dc0c3587015bbc6fc02f6a9adc3080243a6750b4be47bff2a817b730ee6f67e4.exe	34
PID 2328 wrote to memory of 2660	2328	dc0c3587015bbc6fc02f6a9adc3080243a6750b4be47bff2a817b730ee6f67e4.exe	34
PID 2328 wrote to memory of 2660	2328	dc0c3587015bbc6fc02f6a9adc3080243a6750b4be47bff2a817b730ee6f67e4.exe	34
PID 2328 wrote to memory of 2660	2328	dc0c3587015bbc6fc02f6a9adc3080243a6750b4be47bff2a817b730ee6f67e4.exe	34
PID 2328 wrote to memory of 2924	2328	dc0c3587015bbc6fc02f6a9adc3080243a6750b4be47bff2a817b730ee6f67e4.exe	35
PID 2328 wrote to memory of 2924	2328	dc0c3587015bbc6fc02f6a9adc3080243a6750b4be47bff2a817b730ee6f67e4.exe	35
PID 2328 wrote to memory of 2924	2328	dc0c3587015bbc6fc02f6a9adc3080243a6750b4be47bff2a817b730ee6f67e4.exe	35
PID 2660 wrote to memory of 756	2660	regasm.exe	36
PID 2660 wrote to memory of 756	2660	regasm.exe	36
PID 2660 wrote to memory of 756	2660	regasm.exe	36
PID 2660 wrote to memory of 756	2660	regasm.exe	36
PID 756 wrote to memory of 1464	756	cmd.exe	38
PID 756 wrote to memory of 1464	756	cmd.exe	38
PID 756 wrote to memory of 1464	756	cmd.exe	38
PID 756 wrote to memory of 1464	756	cmd.exe	38

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	dc0c3587015bbc6fc02f6a9adc3080243a6750b4be47bff2a817b730ee6f67e4.exe

C:\Users\Admin\AppData\Local\Temp\dc0c3587015bbc6fc02f6a9adc3080243a6750b4be47bff2a817b730ee6f67e4.exe
"C:\Users\Admin\AppData\Local\Temp\dc0c3587015bbc6fc02f6a9adc3080243a6750b4be47bff2a817b730ee6f67e4.exe"
1⤵
- UAC bypass
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2328
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\dc0c3587015bbc6fc02f6a9adc3080243a6750b4be47bff2a817b730ee6f67e4.exe" -Force
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2216
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2660
- - 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⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:756
  - - C:\Windows\SysWOW64\choice.exe
      choice /C Y /N /D Y /T 3
      4⤵
      System Location Discovery: System Language Discovery
      PID:1464
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 2328 -s 872
  2⤵
  PID:2924

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Defense Evasion

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Impair Defenses

1

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2216-23-0x0000000002890000-0x0000000002898000-memory.dmp

Filesize
32KB

Download
memory/2216-22-0x000000001B5D0000-0x000000001B8B2000-memory.dmp

Filesize
2.9MB

Download
memory/2216-21-0x0000000002800000-0x0000000002880000-memory.dmp

Filesize
512KB

Download
memory/2328-24-0x000007FEF5D03000-0x000007FEF5D04000-memory.dmp

Filesize
4KB

Download
memory/2328-1-0x00000000012B0000-0x00000000012BC000-memory.dmp

Filesize
48KB

Download
memory/2328-2-0x000007FEF5D00000-0x000007FEF66EC000-memory.dmp

Filesize
9.9MB

Download
memory/2328-3-0x0000000000020000-0x0000000000026000-memory.dmp

Filesize
24KB

Download
memory/2328-4-0x0000000000450000-0x00000000004CA000-memory.dmp

Filesize
488KB

Download
memory/2328-0-0x000007FEF5D03000-0x000007FEF5D04000-memory.dmp

Filesize
4KB

Download
memory/2328-25-0x000007FEF5D00000-0x000007FEF66EC000-memory.dmp

Filesize
9.9MB

Download
memory/2660-19-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2660-15-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2660-9-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2660-20-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2660-13-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2660-11-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2660-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2660-18-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads