snakekeylogger | bb1938427ba37a7c09953897649628d7cd5267e29cbb76e11c9274fe913d2d0b

General

Target

Curriculum Vitae Estrella Torres.exe
Size

671KB
MD5

f151ad25f40a872a7240469724f9d5e5
SHA1

6260c7585b053f38e24bbb8b2af97dc7f641cecf
SHA256

bb1938427ba37a7c09953897649628d7cd5267e29cbb76e11c9274fe913d2d0b
SHA512

6ed76af118a7dc89f5be69504b358d5efc01e695c71a538cfad70464e26c6a528efe8c59d397ffbda55937d60ab3f11387f8e08154a713f9e0548994613f6f9d
SSDEEP

12288:Y4X2sUVFkaj9PaOAXvrBm3mbOUQSMD+QJfcGtLFnw5zBM:Y4m5VPj9yOAXvrw2Kx7D+QJ3nnwo

Score

10^/10

snakekeylogger discovery keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7719054034:AAHonYJDOpWskt5QdgdvYe662dLuhtscDqw/sendMessage?chat_id=6370711846

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/3596-11-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Snakekeylogger family
snakekeylogger

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
29	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4020 set thread context of 3596	4020	Curriculum Vitae Estrella Torres.exe	95

Program crash 1 IoCs

pid	pid_target	Process	procid_target
464	3596	WerFault.exe	95

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	Curriculum Vitae Estrella Torres.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Curriculum Vitae Estrella Torres.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
4020	Curriculum Vitae Estrella Torres.exe
4020	Curriculum Vitae Estrella Torres.exe
4020	Curriculum Vitae Estrella Torres.exe
4020	Curriculum Vitae Estrella Torres.exe
4020	Curriculum Vitae Estrella Torres.exe
4020	Curriculum Vitae Estrella Torres.exe
4020	Curriculum Vitae Estrella Torres.exe
4020	Curriculum Vitae Estrella Torres.exe
4020	Curriculum Vitae Estrella Torres.exe
4020	Curriculum Vitae Estrella Torres.exe
4020	Curriculum Vitae Estrella Torres.exe
3596	Curriculum Vitae Estrella Torres.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4020	Curriculum Vitae Estrella Torres.exe
Token: SeDebugPrivilege	3596	Curriculum Vitae Estrella Torres.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4020 wrote to memory of 816	4020	Curriculum Vitae Estrella Torres.exe	94
PID 4020 wrote to memory of 816	4020	Curriculum Vitae Estrella Torres.exe	94
PID 4020 wrote to memory of 816	4020	Curriculum Vitae Estrella Torres.exe	94
PID 4020 wrote to memory of 3596	4020	Curriculum Vitae Estrella Torres.exe	95
PID 4020 wrote to memory of 3596	4020	Curriculum Vitae Estrella Torres.exe	95
PID 4020 wrote to memory of 3596	4020	Curriculum Vitae Estrella Torres.exe	95
PID 4020 wrote to memory of 3596	4020	Curriculum Vitae Estrella Torres.exe	95
PID 4020 wrote to memory of 3596	4020	Curriculum Vitae Estrella Torres.exe	95
PID 4020 wrote to memory of 3596	4020	Curriculum Vitae Estrella Torres.exe	95
PID 4020 wrote to memory of 3596	4020	Curriculum Vitae Estrella Torres.exe	95
PID 4020 wrote to memory of 3596	4020	Curriculum Vitae Estrella Torres.exe	95

C:\Users\Admin\AppData\Local\Temp\Curriculum Vitae Estrella Torres.exe
"C:\Users\Admin\AppData\Local\Temp\Curriculum Vitae Estrella Torres.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4020
- C:\Users\Admin\AppData\Local\Temp\Curriculum Vitae Estrella Torres.exe
  "C:\Users\Admin\AppData\Local\Temp\Curriculum Vitae Estrella Torres.exe"
  2⤵
  PID:816
- C:\Users\Admin\AppData\Local\Temp\Curriculum Vitae Estrella Torres.exe
  "C:\Users\Admin\AppData\Local\Temp\Curriculum Vitae Estrella Torres.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3596
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3596 -s 1484
    3⤵
    - Program crash
    PID:464

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3596 -ip 3596
1⤵
PID:2960

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

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Curriculum Vitae Estrella Torres.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/3596-11-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/3596-17-0x0000000074A70000-0x0000000075220000-memory.dmp

Filesize
7.7MB

Download
memory/3596-16-0x0000000074A70000-0x0000000075220000-memory.dmp

Filesize
7.7MB

Download
memory/3596-14-0x0000000074A70000-0x0000000075220000-memory.dmp

Filesize
7.7MB

Download
memory/4020-4-0x0000000004D20000-0x0000000004D2A000-memory.dmp

Filesize
40KB

Download
memory/4020-6-0x0000000004F10000-0x0000000004FAC000-memory.dmp

Filesize
624KB

Download
memory/4020-7-0x0000000006470000-0x000000000648C000-memory.dmp

Filesize
112KB

Download
memory/4020-8-0x0000000074A7E000-0x0000000074A7F000-memory.dmp

Filesize
4KB

Download
memory/4020-9-0x0000000074A70000-0x0000000075220000-memory.dmp

Filesize
7.7MB

Download
memory/4020-10-0x00000000024E0000-0x0000000002548000-memory.dmp

Filesize
416KB

Download
memory/4020-5-0x0000000074A70000-0x0000000075220000-memory.dmp

Filesize
7.7MB

Download
memory/4020-0-0x0000000074A7E000-0x0000000074A7F000-memory.dmp

Filesize
4KB

Download
memory/4020-3-0x0000000004C50000-0x0000000004CE2000-memory.dmp

Filesize
584KB

Download
memory/4020-15-0x0000000074A70000-0x0000000075220000-memory.dmp

Filesize
7.7MB

Download
memory/4020-2-0x0000000005160000-0x0000000005704000-memory.dmp

Filesize
5.6MB

Download
memory/4020-1-0x00000000001C0000-0x000000000026E000-memory.dmp

Filesize
696KB

Download

Analysis

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