snakekeylogger | c2cea2c500b0bf93e0af89d6cf07f46586b44d86613d331c0079c1eef108674e

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
26-06-2024 07:47

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General

Target

new contract.exe
Size

521KB
MD5

a62161fb37a0da7fbfb3913ce4aecb2c
SHA1

2d994e85cf444c5b784d55a52c676b9773b27758
SHA256

f2101696ff6fb8e2171fe666df358500c675246fcbdf4620fe2961be8e5fb316
SHA512

bc08e560c8cc81c3cce3e2f33d3991e87fc27e4e5473fdb149698cad34a9c7dfbb47e75fdce2e263a0385368090e8a99eeec61a9666f1058b91ba802c966da4c
SSDEEP

12288:c5kndm17d93IfLZS9oOarFK+Wbi1vk6i:HngZ7IfLZSR3/bGs6i

Score

10^/10

snakekeylogger keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
webmail.valleycountysar.org
Port:
465
Username:
[email protected]
Password:
DKw(r0%wpbd]

https://api.telegram.org/bot6812788177:AAHJ7__ozL0XtBMeO1hcjgFB8ECV3bh5yjg/sendMessage?chat_id=5007084465

Signatures

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

Snake Keylogger payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2660-9-0x0000000000080000-0x00000000000A6000-memory.dmp	family_snakekeylogger
behavioral1/memory/2660-11-0x0000000000080000-0x00000000000A6000-memory.dmp	family_snakekeylogger
behavioral1/memory/2660-23-0x0000000000080000-0x00000000000A6000-memory.dmp	family_snakekeylogger
behavioral1/memory/2660-20-0x0000000000080000-0x00000000000A6000-memory.dmp	family_snakekeylogger
behavioral1/memory/2660-16-0x0000000000080000-0x00000000000A6000-memory.dmp	family_snakekeylogger
behavioral1/memory/2660-15-0x0000000000080000-0x00000000000A6000-memory.dmp	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.

Processes:

flow ioc

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

Processes:

new contract.exe

description pid process target process

PID 3028 set thread context of 2660 3028 new contract.exe new contract.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2496 2660 WerFault.exe new contract.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

new contract.exe

pid process

2660 new contract.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

new contract.exe

description pid process

Token: SeDebugPrivilege 2660 new contract.exe

flow	ioc
4	checkip.dyndns.org

description	pid	process	target process
PID 3028 set thread context of 2660	3028	new contract.exe	new contract.exe

pid	pid_target	process	target process
2496	2660	WerFault.exe	new contract.exe

pid	process
2660	new contract.exe

description	pid	process
Token: SeDebugPrivilege	2660	new contract.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

new contract.exenew contract.exe

description	pid	process	target process
PID 3028 wrote to memory of 2660	3028	new contract.exe	new contract.exe
PID 3028 wrote to memory of 2660	3028	new contract.exe	new contract.exe
PID 3028 wrote to memory of 2660	3028	new contract.exe	new contract.exe
PID 3028 wrote to memory of 2660	3028	new contract.exe	new contract.exe
PID 3028 wrote to memory of 2660	3028	new contract.exe	new contract.exe
PID 3028 wrote to memory of 2660	3028	new contract.exe	new contract.exe
PID 3028 wrote to memory of 2660	3028	new contract.exe	new contract.exe
PID 3028 wrote to memory of 2660	3028	new contract.exe	new contract.exe
PID 3028 wrote to memory of 2660	3028	new contract.exe	new contract.exe
PID 2660 wrote to memory of 2496	2660	new contract.exe	WerFault.exe
PID 2660 wrote to memory of 2496	2660	new contract.exe	WerFault.exe
PID 2660 wrote to memory of 2496	2660	new contract.exe	WerFault.exe
PID 2660 wrote to memory of 2496	2660	new contract.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\new contract.exe
"C:\Users\Admin\AppData\Local\Temp\new contract.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3028

C:\Users\Admin\AppData\Local\Temp\new contract.exe
"C:\Users\Admin\AppData\Local\Temp\new contract.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2660

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2660 -s 1104
3⤵
- Program crash
PID:2496

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2660-16-0x0000000000080000-0x00000000000A6000-memory.dmp

Filesize
152KB

Download
memory/2660-15-0x0000000000080000-0x00000000000A6000-memory.dmp

Filesize
152KB

Download
memory/2660-11-0x0000000000080000-0x00000000000A6000-memory.dmp

Filesize
152KB

Download
memory/2660-23-0x0000000000080000-0x00000000000A6000-memory.dmp

Filesize
152KB

Download
memory/2660-7-0x0000000000080000-0x00000000000A6000-memory.dmp

Filesize
152KB

Download
memory/2660-6-0x0000000000080000-0x00000000000A6000-memory.dmp

Filesize
152KB

Download
memory/2660-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2660-9-0x0000000000080000-0x00000000000A6000-memory.dmp

Filesize
152KB

Download
memory/2660-27-0x00000000742A0000-0x000000007498E000-memory.dmp

Filesize
6.9MB

Download
memory/2660-25-0x00000000742A0000-0x000000007498E000-memory.dmp

Filesize
6.9MB

Download
memory/2660-24-0x00000000742A0000-0x000000007498E000-memory.dmp

Filesize
6.9MB

Download
memory/2660-20-0x0000000000080000-0x00000000000A6000-memory.dmp

Filesize
152KB

Download
memory/3028-0-0x00000000742AE000-0x00000000742AF000-memory.dmp

Filesize
4KB

Download
memory/3028-1-0x00000000003B0000-0x0000000000438000-memory.dmp

Filesize
544KB

Download
memory/3028-3-0x00000000742A0000-0x000000007498E000-memory.dmp

Filesize
6.9MB

Download
memory/3028-2-0x00000000006F0000-0x0000000000744000-memory.dmp

Filesize
336KB

Download
memory/3028-26-0x00000000742A0000-0x000000007498E000-memory.dmp

Filesize
6.9MB

Download
memory/3028-4-0x0000000000340000-0x0000000000348000-memory.dmp

Filesize
32KB

Download