snakekeylogger | 02ceb2e9e9b81072a4ddffbb6a931f8c6efa799c140657455441782f0dd339b5

General

Target

Purchase Order E3007921.exe
Size

31KB
MD5

dac3ac141a3e0abb27839284a1df864c
SHA1

8802717f07d933b2478b0cae6f410cce79b9f0a9
SHA256

9af68d42d1d36c20d81306679715a6f7e3d427d8c039344653f4ec6b43cd7ac5
SHA512

3d984a6a4d689d950d8a3e55b2ec6901f4525ae8e7cce41be7ee0267cd9808da20c30ff9de43715b57b613a946215bf37aea999e5ac79e2ab1d7b63fc9d994f0

Score

10^/10

snakekeylogger keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot1791466927:AAHD_mKnN05jD74hk8VEfBe-NORCSbM6oaM/sendMessage?chat_id=1413771094

Signatures

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

Snake Keylogger Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4040-120-0x0000000000400000-0x000000000046A000-memory.dmp	family_snakekeylogger
behavioral2/memory/4040-121-0x000000000046447E-mapping.dmp	family_snakekeylogger
behavioral2/memory/4040-127-0x0000000005470000-0x000000000596E000-memory.dmp	family_snakekeylogger

Downloads MZ/PE file
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
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

11 checkip.dyndns.org
16 freegeoip.app
17 freegeoip.app
Suspicious use of SetThreadContext 1 IoCs

Processes:

Purchase Order E3007921.exe

description pid process target process

PID 3680 set thread context of 4040 3680 Purchase Order E3007921.exe Purchase Order E3007921.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

Purchase Order E3007921.exe

pid process

4040 Purchase Order E3007921.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Purchase Order E3007921.exePurchase Order E3007921.exe

description pid process

Token: SeDebugPrivilege 3680 Purchase Order E3007921.exe
Token: SeDebugPrivilege 4040 Purchase Order E3007921.exe

flow	ioc
11	checkip.dyndns.org
16	freegeoip.app
17	freegeoip.app

description	pid	process	target process
PID 3680 set thread context of 4040	3680	Purchase Order E3007921.exe	Purchase Order E3007921.exe

pid	process
4040	Purchase Order E3007921.exe

description	pid	process
Token: SeDebugPrivilege	3680	Purchase Order E3007921.exe
Token: SeDebugPrivilege	4040	Purchase Order E3007921.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

Purchase Order E3007921.exe

description	pid	process	target process
PID 3680 wrote to memory of 4040	3680	Purchase Order E3007921.exe	Purchase Order E3007921.exe
PID 3680 wrote to memory of 4040	3680	Purchase Order E3007921.exe	Purchase Order E3007921.exe
PID 3680 wrote to memory of 4040	3680	Purchase Order E3007921.exe	Purchase Order E3007921.exe
PID 3680 wrote to memory of 4040	3680	Purchase Order E3007921.exe	Purchase Order E3007921.exe
PID 3680 wrote to memory of 4040	3680	Purchase Order E3007921.exe	Purchase Order E3007921.exe
PID 3680 wrote to memory of 4040	3680	Purchase Order E3007921.exe	Purchase Order E3007921.exe
PID 3680 wrote to memory of 4040	3680	Purchase Order E3007921.exe	Purchase Order E3007921.exe
PID 3680 wrote to memory of 4040	3680	Purchase Order E3007921.exe	Purchase Order E3007921.exe

C:\Users\Admin\AppData\Local\Temp\Purchase Order E3007921.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase Order E3007921.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3680

C:\Users\Admin\AppData\Local\Temp\Purchase Order E3007921.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase Order E3007921.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4040

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Purchase Order E3007921.exe.log
MD5
bca5d9d288a7809c63f2d594cb7c7b94

SHA1
11689c8a592cd8706f0155b4574488dd872cbd97

SHA256
d7a3ed9b26c989e840532a7f0fa21bc508f8fbcb2d37116fade84280f2a865ed

SHA512
db30f307e6818573f06f115818476104abfce94f15d9ad11e8163aa3cc19cee4cc3c87c98ef45d5c978b6f166089cc0283e3cc9a5db8359a425c8da7039dae0d

Download Submit
memory/3680-114-0x0000000000D80000-0x0000000000D81000-memory.dmp

Filesize
4KB

Download
memory/3680-116-0x0000000005B00000-0x0000000005B01000-memory.dmp

Filesize
4KB

Download
memory/3680-117-0x00000000055C0000-0x00000000055E2000-memory.dmp

Filesize
136KB

Download
memory/3680-119-0x00000000069A0000-0x00000000069A1000-memory.dmp

Filesize
4KB

Download
memory/3680-118-0x00000000055B0000-0x00000000055B1000-memory.dmp

Filesize
4KB

Download
memory/4040-120-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/4040-121-0x000000000046447E-mapping.dmp

Download
memory/4040-127-0x0000000005470000-0x000000000596E000-memory.dmp

Filesize
5.0MB

Download
memory/4040-128-0x0000000006780000-0x0000000006781000-memory.dmp

Filesize
4KB

Download
memory/4040-129-0x0000000006950000-0x0000000006951000-memory.dmp

Filesize
4KB

Download
memory/4040-130-0x00000000069F0000-0x00000000069F1000-memory.dmp

Filesize
4KB

Download

Analysis

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