snakekeylogger | a8c8e3adb2bef3f30d34591b2fe6a42d53038d9773938e6fa0a7b4f8b90e9f37

General

Target

SG-07298.exe
Size

710KB
MD5

38bd1b561d005a7c0129316426d367c1
SHA1

0864c53abbf5e2840a44cd4e9c03547a8d073af0
SHA256

a8c8e3adb2bef3f30d34591b2fe6a42d53038d9773938e6fa0a7b4f8b90e9f37
SHA512

4e33bf37fc0bffdf94d2c7d025e1c865bca5da3d1863037b1cc4b53ee7cccec36a10d2510b3a68d5714db8b79b563ae0aeeddd58820a5352a3eae1729c369f2f
SSDEEP

12288:pcJnkWkNhSkhuRif7RCIS7JhDx2TSEWenWw/Y75v7e4SsmvE8ZXb:cnkNhSMuZI2Fx2XNnWp5v7e4dQ

Score

10^/10

snakekeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot8055495510:AAGjjx2olozS_1Cl8WNZ40y4V688zWzQeEs/sendMessage?chat_id=1437092720

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/5776-13-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Snakekeylogger family
snakekeylogger

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-869607583-2483572573-2297019986-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-869607583-2483572573-2297019986-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-869607583-2483572573-2297019986-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.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.

flow	ioc
32	checkip.dyndns.org
35	reallyfreegeoip.org
36	reallyfreegeoip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5140 set thread context of 5776	5140	SG-07298.exe	99

System Location Discovery: System Language Discovery 1 TTPs 2 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	SG-07298.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
5140	SG-07298.exe
5140	SG-07298.exe
5776	MSBuild.exe
5776	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5140	SG-07298.exe
Token: SeDebugPrivilege	5776	MSBuild.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 5140 wrote to memory of 5776	5140	SG-07298.exe	99
PID 5140 wrote to memory of 5776	5140	SG-07298.exe	99
PID 5140 wrote to memory of 5776	5140	SG-07298.exe	99
PID 5140 wrote to memory of 5776	5140	SG-07298.exe	99
PID 5140 wrote to memory of 5776	5140	SG-07298.exe	99
PID 5140 wrote to memory of 5776	5140	SG-07298.exe	99
PID 5140 wrote to memory of 5776	5140	SG-07298.exe	99
PID 5140 wrote to memory of 5776	5140	SG-07298.exe	99

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-869607583-2483572573-2297019986-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-869607583-2483572573-2297019986-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\SG-07298.exe
"C:\Users\Admin\AppData\Local\Temp\SG-07298.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5140
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:5776

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/5140-10-0x000000007501E000-0x000000007501F000-memory.dmp

Filesize
4KB

Download
memory/5140-11-0x0000000075010000-0x00000000757C0000-memory.dmp

Filesize
7.7MB

Download
memory/5140-2-0x0000000005BC0000-0x0000000006164000-memory.dmp

Filesize
5.6MB

Download
memory/5140-3-0x00000000056B0000-0x0000000005742000-memory.dmp

Filesize
584KB

Download
memory/5140-4-0x0000000006170000-0x00000000064C4000-memory.dmp

Filesize
3.3MB

Download
memory/5140-5-0x0000000005850000-0x000000000585A000-memory.dmp

Filesize
40KB

Download
memory/5140-6-0x0000000005970000-0x0000000005A0C000-memory.dmp

Filesize
624KB

Download
memory/5140-7-0x0000000075010000-0x00000000757C0000-memory.dmp

Filesize
7.7MB

Download
memory/5140-8-0x00000000065D0000-0x0000000006668000-memory.dmp

Filesize
608KB

Download
memory/5140-9-0x0000000007300000-0x0000000007318000-memory.dmp

Filesize
96KB

Download
memory/5140-1-0x0000000000BE0000-0x0000000000C96000-memory.dmp

Filesize
728KB

Download
memory/5140-12-0x0000000006D80000-0x0000000006DEC000-memory.dmp

Filesize
432KB

Download
memory/5140-0-0x000000007501E000-0x000000007501F000-memory.dmp

Filesize
4KB

Download
memory/5140-16-0x0000000075010000-0x00000000757C0000-memory.dmp

Filesize
7.7MB

Download
memory/5776-15-0x0000000075010000-0x00000000757C0000-memory.dmp

Filesize
7.7MB

Download
memory/5776-13-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/5776-17-0x0000000075010000-0x00000000757C0000-memory.dmp

Filesize
7.7MB

Download
memory/5776-18-0x00000000061F0000-0x0000000006240000-memory.dmp

Filesize
320KB

Download
memory/5776-19-0x0000000006410000-0x00000000065D2000-memory.dmp

Filesize
1.8MB

Download
memory/5776-20-0x0000000075010000-0x00000000757C0000-memory.dmp

Filesize
7.7MB

Download
memory/5776-21-0x0000000075010000-0x00000000757C0000-memory.dmp

Filesize
7.7MB

Download

Analysis

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