snakekeylogger | e9535fd8be2d9c01b5ae58735c989f2a1c4a69dfdcd9dc12ee5fb3cb6b44169b

General

Target

soa.exe
Size

300KB
MD5

7d62212773bcf9e580446648e300406e
SHA1

2c34d48752e19374bfd12b670c5c3b2955730672
SHA256

e9535fd8be2d9c01b5ae58735c989f2a1c4a69dfdcd9dc12ee5fb3cb6b44169b
SHA512

a9765b1869d39a6dc981d4b64febeb4d1197314fecf434d1e4de85248ecdf4cc48203b1d66651c3ab76681d1b933138493e12c76d53962f943c1a2d8e044cb9e
SSDEEP

6144:ce9dQrUFtDKZbCpN3Shzv27IHOpOz9aaMjubs4:X2UnKEpVvrpOBaaAi

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot5229864731:AAEV0jOLrI_tfLx-WLBXsih1ys_6gsK9KBg/sendMessage?chat_id=1455975185

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/4880-143-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\pdf.exe	Powershell.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\pdf.exe	Powershell.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	soa.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	soa.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	soa.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
6	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1196 set thread context of 4880	1196	soa.exe	81

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2392	Powershell.exe
4880	soa.exe
2392	Powershell.exe
4880	soa.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2392	Powershell.exe
Token: SeDebugPrivilege	4880	soa.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1196 wrote to memory of 2392	1196	soa.exe	79
PID 1196 wrote to memory of 2392	1196	soa.exe	79
PID 1196 wrote to memory of 2392	1196	soa.exe	79
PID 1196 wrote to memory of 4880	1196	soa.exe	81
PID 1196 wrote to memory of 4880	1196	soa.exe	81
PID 1196 wrote to memory of 4880	1196	soa.exe	81
PID 1196 wrote to memory of 4880	1196	soa.exe	81
PID 1196 wrote to memory of 4880	1196	soa.exe	81
PID 1196 wrote to memory of 4880	1196	soa.exe	81
PID 1196 wrote to memory of 4880	1196	soa.exe	81
PID 1196 wrote to memory of 4880	1196	soa.exe	81

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	soa.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	soa.exe

C:\Users\Admin\AppData\Local\Temp\soa.exe
"C:\Users\Admin\AppData\Local\Temp\soa.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1196
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
  "Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\soa.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\pdf.exe'
  2⤵
  - Drops startup file
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2392
- C:\Users\Admin\AppData\Local\Temp\soa.exe
  "C:\Users\Admin\AppData\Local\Temp\soa.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4880

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\soa.exe.log

Filesize
902B

MD5
34a1f9e214fe6e67551c67b8d53bc011

SHA1
4f656c005b30465ecbff24883d3d7002aa593dc2

SHA256
390d00fc47c4d5ca641e0dd46a21ca728ba3163b70a8687d680bfe53495c524e

SHA512
87a5e64ef33c2ed6b148ec47bd8f9aa39dd89e297a75ade0b8e534bfe136d7af5a995a673626c97580483640af5080a64df2989cba8292072c06eb0fbd11d08a

Download Submit
memory/1196-132-0x0000000000E60000-0x0000000000EB0000-memory.dmp

Filesize
320KB

Download
memory/1196-133-0x0000000005EA0000-0x0000000006444000-memory.dmp

Filesize
5.6MB

Download
memory/1196-134-0x00000000058F0000-0x0000000005982000-memory.dmp

Filesize
584KB

Download
memory/1196-135-0x0000000005A30000-0x0000000005ACC000-memory.dmp

Filesize
624KB

Download
memory/2392-140-0x0000000004E50000-0x0000000004EB6000-memory.dmp

Filesize
408KB

Download
memory/2392-147-0x0000000006150000-0x000000000616A000-memory.dmp

Filesize
104KB

Download
memory/2392-139-0x0000000004CB0000-0x0000000004CD2000-memory.dmp

Filesize
136KB

Download
memory/2392-137-0x0000000002350000-0x0000000002386000-memory.dmp

Filesize
216KB

Download
memory/2392-141-0x0000000005630000-0x0000000005696000-memory.dmp

Filesize
408KB

Download
memory/2392-148-0x00000000061D0000-0x00000000061F2000-memory.dmp

Filesize
136KB

Download
memory/2392-138-0x0000000004ED0000-0x00000000054F8000-memory.dmp

Filesize
6.2MB

Download
memory/2392-145-0x0000000005C80000-0x0000000005C9E000-memory.dmp

Filesize
120KB

Download
memory/2392-146-0x0000000006E90000-0x0000000006F26000-memory.dmp

Filesize
600KB

Download
memory/4880-143-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/4880-149-0x00000000067C0000-0x0000000006982000-memory.dmp

Filesize
1.8MB

Download
memory/4880-150-0x0000000006540000-0x000000000654A000-memory.dmp

Filesize
40KB

Download

Analysis

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