snakekeylogger | 6aa3f6881dc4470bc2cd9488d3cbf752793cc27e390fb4f4071da5b2fb4e4d33

Analysis

max time kernel
131s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
27-06-2024 16:58

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General

Target

NYMPH THETIS V2402B.exe
Size

537KB
MD5

2bb3a0278b348e2111eb424e5d554081
SHA1

c5e880229775d114cc5d4560f41360d999e7461a
SHA256

1da9c25bf39cdfdf6d448c0f4823db54848fc65e1ef41656900479f83013aa54
SHA512

b94412e774b3cb0fb78cc7e0abaf2645f9077635b9d7fb730c6942918c02624911db35ba55ccabcec079bbc9d15ee33997a28c7b01dc9350000971a924a3798a
SSDEEP

12288:/JREc4DmRRAEQbw5Is89pOpRiWsLJv/v+SLuSn:T/bYU5DCpOp8zFv/XLB

Score

10^/10

snakekeylogger keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.valleycountysar.org
Port:
587
Username:
[email protected]
Password:
DKw(r0%wpbd]

http://103.130.147.85

Signatures

Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
stealer keylogger snakekeylogger
Snake Keylogger payload 1 IoCs

Processes:

resource yara_rule

behavioral4/memory/2440-9-0x0000000000400000-0x0000000000426000-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

Processes:

NYMPH THETIS V2402B.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000\Control Panel\International\Geo\Nation NYMPH THETIS V2402B.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.

Processes:

flow ioc

3 checkip.dyndns.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

NYMPH THETIS V2402B.exe

description pid process target process

PID 3492 set thread context of 2440 3492 NYMPH THETIS V2402B.exe NYMPH THETIS V2402B.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

NYMPH THETIS V2402B.exe

pid process

2440 NYMPH THETIS V2402B.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

NYMPH THETIS V2402B.exe

description pid process

Token: SeDebugPrivilege 2440 NYMPH THETIS V2402B.exe

resource	yara_rule
behavioral4/memory/2440-9-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000\Control Panel\International\Geo\Nation	NYMPH THETIS V2402B.exe

flow	ioc
3	checkip.dyndns.org

description	pid	process	target process
PID 3492 set thread context of 2440	3492	NYMPH THETIS V2402B.exe	NYMPH THETIS V2402B.exe

pid	process
2440	NYMPH THETIS V2402B.exe

description	pid	process
Token: SeDebugPrivilege	2440	NYMPH THETIS V2402B.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

NYMPH THETIS V2402B.exeNYMPH THETIS V2402B.execmd.exe

description	pid	process	target process
PID 3492 wrote to memory of 2440	3492	NYMPH THETIS V2402B.exe	NYMPH THETIS V2402B.exe
PID 3492 wrote to memory of 2440	3492	NYMPH THETIS V2402B.exe	NYMPH THETIS V2402B.exe
PID 3492 wrote to memory of 2440	3492	NYMPH THETIS V2402B.exe	NYMPH THETIS V2402B.exe
PID 3492 wrote to memory of 2440	3492	NYMPH THETIS V2402B.exe	NYMPH THETIS V2402B.exe
PID 3492 wrote to memory of 2440	3492	NYMPH THETIS V2402B.exe	NYMPH THETIS V2402B.exe
PID 3492 wrote to memory of 2440	3492	NYMPH THETIS V2402B.exe	NYMPH THETIS V2402B.exe
PID 3492 wrote to memory of 2440	3492	NYMPH THETIS V2402B.exe	NYMPH THETIS V2402B.exe
PID 3492 wrote to memory of 2440	3492	NYMPH THETIS V2402B.exe	NYMPH THETIS V2402B.exe
PID 2440 wrote to memory of 3360	2440	NYMPH THETIS V2402B.exe	cmd.exe
PID 2440 wrote to memory of 3360	2440	NYMPH THETIS V2402B.exe	cmd.exe
PID 2440 wrote to memory of 3360	2440	NYMPH THETIS V2402B.exe	cmd.exe
PID 3360 wrote to memory of 5104	3360	cmd.exe	choice.exe
PID 3360 wrote to memory of 5104	3360	cmd.exe	choice.exe
PID 3360 wrote to memory of 5104	3360	cmd.exe	choice.exe

C:\Users\Admin\AppData\Local\Temp\NYMPH THETIS V2402B.exe
"C:\Users\Admin\AppData\Local\Temp\NYMPH THETIS V2402B.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3492

C:\Users\Admin\AppData\Local\Temp\NYMPH THETIS V2402B.exe
"C:\Users\Admin\AppData\Local\Temp\NYMPH THETIS V2402B.exe"
2⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2440

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 3 & Del "C:\Users\Admin\AppData\Local\Temp\NYMPH THETIS V2402B.exe"
3⤵
- Suspicious use of WriteProcessMemory
PID:3360

C:\Windows\SysWOW64\choice.exe
choice /C Y /N /D Y /T 3
4⤵
PID:5104

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\NYMPH THETIS V2402B.exe.log
Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/2440-9-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2440-15-0x0000000074BD0000-0x0000000075380000-memory.dmp

Filesize
7.7MB

Download
memory/2440-11-0x0000000074BD0000-0x0000000075380000-memory.dmp

Filesize
7.7MB

Download
memory/2440-10-0x0000000074BD0000-0x0000000075380000-memory.dmp

Filesize
7.7MB

Download
memory/3492-3-0x0000000004AD0000-0x0000000004B62000-memory.dmp

Filesize
584KB

Download
memory/3492-6-0x0000000074BD0000-0x0000000075380000-memory.dmp

Filesize
7.7MB

Download
memory/3492-7-0x0000000004E00000-0x0000000004E9C000-memory.dmp

Filesize
624KB

Download
memory/3492-8-0x0000000004CF0000-0x0000000004CF8000-memory.dmp

Filesize
32KB

Download
memory/3492-5-0x0000000004D10000-0x0000000004D64000-memory.dmp

Filesize
336KB

Download
memory/3492-4-0x0000000004CB0000-0x0000000004CBA000-memory.dmp

Filesize
40KB

Download
memory/3492-0-0x0000000074BDE000-0x0000000074BDF000-memory.dmp

Filesize
4KB

Download
memory/3492-13-0x0000000074BD0000-0x0000000075380000-memory.dmp

Filesize
7.7MB

Download
memory/3492-2-0x0000000005080000-0x0000000005624000-memory.dmp

Filesize
5.6MB

Download
memory/3492-1-0x00000000001A0000-0x000000000022C000-memory.dmp

Filesize
560KB

Download