snakekeylogger | aecdd8b136e292f6a5c419c08e2ea9ebc015ac6d2e7f99c694dccb8d84772b6c

General

Target

RRQ_00980.exe
Size

280KB
MD5

83112343ede9fcb19feb0b759b59897e
SHA1

762eb227335de6348b0376deac9e0d332228511b
SHA256

aecdd8b136e292f6a5c419c08e2ea9ebc015ac6d2e7f99c694dccb8d84772b6c
SHA512

9ed560398c1cf6e1b7d2449701726c10fe058da0a5d4594dcece4c0dcd8d4d614c05aae97364233dddf0c09bdc6176edbc6e91e4547a16d8101146624dd3e9c9
SSDEEP

3072:ayamBpp48eTCZZiO1ix7ll/w8mo2CbPJNddNe0dbeNmFIrqvBzAhpNmPIr0n7GYE:ayaq42Ov/wNo2Ky0ngq5zhd

Score

10^/10

snakekeylogger collection keylogger persistence spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot5252645306:AAGCEUxgRGtto8oZfNWHw7sqdTCF0zNGxX8/sendMessage?chat_id=5590273095

Signatures

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

Snake Keylogger payload 6 IoCs

resource	yara_rule
behavioral1/memory/1860-69-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1860-70-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1860-72-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1860-76-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1860-74-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1860-77-0x0000000004C50000-0x0000000004C90000-memory.dmp	family_snakekeylogger

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-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RRQ_00980.exe
Key opened	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RRQ_00980.exe
Key opened	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RRQ_00980.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Windows\CurrentVersion\Run\Htcwjcbwsft = "\"C:\\Users\\Admin\\AppData\\Roaming\\Dxkdbs\\Htcwjcbwsft.exe\""	RRQ_00980.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 1260 set thread context of 1860	1260	RRQ_00980.exe	31

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1104	powershell.exe
1860	RRQ_00980.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1260	RRQ_00980.exe
Token: SeDebugPrivilege	1104	powershell.exe
Token: SeDebugPrivilege	1860	RRQ_00980.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1260 wrote to memory of 1104	1260	RRQ_00980.exe	28
PID 1260 wrote to memory of 1104	1260	RRQ_00980.exe	28
PID 1260 wrote to memory of 1104	1260	RRQ_00980.exe	28
PID 1260 wrote to memory of 1104	1260	RRQ_00980.exe	28
PID 1260 wrote to memory of 1860	1260	RRQ_00980.exe	31
PID 1260 wrote to memory of 1860	1260	RRQ_00980.exe	31
PID 1260 wrote to memory of 1860	1260	RRQ_00980.exe	31
PID 1260 wrote to memory of 1860	1260	RRQ_00980.exe	31
PID 1260 wrote to memory of 1860	1260	RRQ_00980.exe	31
PID 1260 wrote to memory of 1860	1260	RRQ_00980.exe	31
PID 1260 wrote to memory of 1860	1260	RRQ_00980.exe	31
PID 1260 wrote to memory of 1860	1260	RRQ_00980.exe	31
PID 1260 wrote to memory of 1860	1260	RRQ_00980.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RRQ_00980.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RRQ_00980.exe

C:\Users\Admin\AppData\Local\Temp\RRQ_00980.exe
"C:\Users\Admin\AppData\Local\Temp\RRQ_00980.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1260
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1104
- C:\Users\Admin\AppData\Local\Temp\RRQ_00980.exe
  C:\Users\Admin\AppData\Local\Temp\RRQ_00980.exe
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1860

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1104-61-0x0000000001BE0000-0x0000000001C20000-memory.dmp

Filesize
256KB

Download
memory/1104-65-0x0000000001BE0000-0x0000000001C20000-memory.dmp

Filesize
256KB

Download
memory/1104-64-0x0000000001BE0000-0x0000000001C20000-memory.dmp

Filesize
256KB

Download
memory/1104-63-0x0000000001BE0000-0x0000000001C20000-memory.dmp

Filesize
256KB

Download
memory/1104-62-0x0000000001BE0000-0x0000000001C20000-memory.dmp

Filesize
256KB

Download
memory/1260-58-0x00000000055A0000-0x0000000005632000-memory.dmp

Filesize
584KB

Download
memory/1260-54-0x0000000000D80000-0x0000000000DCC000-memory.dmp

Filesize
304KB

Download
memory/1260-57-0x0000000005A20000-0x0000000005B5C000-memory.dmp

Filesize
1.2MB

Download
memory/1260-56-0x0000000000B40000-0x0000000000B80000-memory.dmp

Filesize
256KB

Download
memory/1260-55-0x0000000000B40000-0x0000000000B80000-memory.dmp

Filesize
256KB

Download
memory/1860-71-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1860-69-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1860-67-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1860-70-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1860-68-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1860-72-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1860-76-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1860-74-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1860-77-0x0000000004C50000-0x0000000004C90000-memory.dmp

Filesize
256KB

Download

Analysis

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