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 1 IoCs

resource	yara_rule
behavioral2/memory/2484-165-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Control Panel\International\Geo\Nation	RRQ_00980.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-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RRQ_00980.exe
Key opened	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RRQ_00980.exe
Key opened	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\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-1-5-21-1013461898-3711306144-4198452673-1000\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
98	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1008 set thread context of 2484	1008	RRQ_00980.exe	103

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 3 IoCs

pid	Process
4252	powershell.exe
4252	powershell.exe
2484	RRQ_00980.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1008	RRQ_00980.exe
Token: SeDebugPrivilege	4252	powershell.exe
Token: SeDebugPrivilege	2484	RRQ_00980.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1008 wrote to memory of 4252	1008	RRQ_00980.exe	101
PID 1008 wrote to memory of 4252	1008	RRQ_00980.exe	101
PID 1008 wrote to memory of 4252	1008	RRQ_00980.exe	101
PID 1008 wrote to memory of 2484	1008	RRQ_00980.exe	103
PID 1008 wrote to memory of 2484	1008	RRQ_00980.exe	103
PID 1008 wrote to memory of 2484	1008	RRQ_00980.exe	103
PID 1008 wrote to memory of 2484	1008	RRQ_00980.exe	103
PID 1008 wrote to memory of 2484	1008	RRQ_00980.exe	103
PID 1008 wrote to memory of 2484	1008	RRQ_00980.exe	103
PID 1008 wrote to memory of 2484	1008	RRQ_00980.exe	103
PID 1008 wrote to memory of 2484	1008	RRQ_00980.exe	103

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\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-1-5-21-1013461898-3711306144-4198452673-1000\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⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1008
- 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:4252
- 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:2484

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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\RRQ_00980.exe.log

Filesize
1KB

MD5
ea9e73c633edf70595e22a7eafc4173e

SHA1
b61b2d70b14a75c9c25c2fff85b8267840a7e1c4

SHA256
59011e4f5bc03b0de5573796cb8fa72bd755b50b4dc823185a57d698cab4e528

SHA512
12b4e10388baa05d4f0cf54499688a82e567ef70ef72a75024d915c73a728a8e4385689bab7c2c3890025aee918259048d3e30244ce71b1b844fe2564cbf06cd

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3rtzjsla.5n0.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1008-133-0x0000000000250000-0x000000000029C000-memory.dmp

Filesize
304KB

Download
memory/1008-136-0x0000000005C80000-0x0000000005CA2000-memory.dmp

Filesize
136KB

Download
memory/1008-162-0x0000000006650000-0x00000000066E2000-memory.dmp

Filesize
584KB

Download
memory/1008-135-0x0000000004D80000-0x0000000004D90000-memory.dmp

Filesize
64KB

Download
memory/1008-134-0x0000000004D80000-0x0000000004D90000-memory.dmp

Filesize
64KB

Download
memory/1008-163-0x0000000006CA0000-0x0000000007244000-memory.dmp

Filesize
5.6MB

Download
memory/2484-172-0x0000000006740000-0x000000000674A000-memory.dmp

Filesize
40KB

Download
memory/2484-171-0x00000000067C0000-0x0000000006982000-memory.dmp

Filesize
1.8MB

Download
memory/2484-170-0x0000000005700000-0x0000000005710000-memory.dmp

Filesize
64KB

Download
memory/2484-169-0x0000000005700000-0x0000000005710000-memory.dmp

Filesize
64KB

Download
memory/2484-168-0x0000000005480000-0x000000000551C000-memory.dmp

Filesize
624KB

Download
memory/2484-165-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/4252-139-0x0000000005B10000-0x0000000005B76000-memory.dmp

Filesize
408KB

Download
memory/4252-156-0x0000000002C40000-0x0000000002C50000-memory.dmp

Filesize
64KB

Download
memory/4252-157-0x0000000002C40000-0x0000000002C50000-memory.dmp

Filesize
64KB

Download
memory/4252-158-0x0000000002C40000-0x0000000002C50000-memory.dmp

Filesize
64KB

Download
memory/4252-155-0x0000000006780000-0x000000000679A000-memory.dmp

Filesize
104KB

Download
memory/4252-154-0x0000000007B10000-0x000000000818A000-memory.dmp

Filesize
6.5MB

Download
memory/4252-153-0x0000000002C40000-0x0000000002C50000-memory.dmp

Filesize
64KB

Download
memory/4252-152-0x0000000006290000-0x00000000062AE000-memory.dmp

Filesize
120KB

Download
memory/4252-142-0x0000000002C40000-0x0000000002C50000-memory.dmp

Filesize
64KB

Download
memory/4252-141-0x0000000002C40000-0x0000000002C50000-memory.dmp

Filesize
64KB

Download
memory/4252-140-0x0000000005B80000-0x0000000005BE6000-memory.dmp

Filesize
408KB

Download
memory/4252-138-0x00000000053D0000-0x00000000059F8000-memory.dmp

Filesize
6.2MB

Download
memory/4252-137-0x0000000002C50000-0x0000000002C86000-memory.dmp

Filesize
216KB

Download

Analysis

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