snakekeylogger | eb3210b628ab723969c0e007b910b1b3898c5e901a28fb7ce99321535488bd99

Analysis

max time kernel
145s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20220331-en
submitted
12/04/2022, 05:04

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General

Target
FYI.exe
Size 584KB
Sample220412-fp9atafbap
SHA256 eb3210b628ab723969c0e007b910b1b3898c5e901a28fb7ce99321535488bd99
MD5 697c985cb7f119265f0bb49de543ab34
SHA1 1f713b0459f2bcbb141110b055378347413e537f
SHA512 e12fcdb92c91dfaadd524f1526d38dee1cb749fe959c5ba0cf4a4b56d48926184fc2291bc31db57312baa0491c203b0d6b01df123e99bccdf75b5905e2ff63d4
MD5 SHA1 SHA512

Score

10^/10

snakekeylogger keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol
smtp
Host
twinarrow.com.my
Port
587
Username
[email protected]
Password
accountaccount123@
Email to
[email protected]

Signatures

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

Snake Keylogger Payload 1 IoCs

resource	yara_rule
behavioral2/memory/4680-131-0x0000000000400000-0x0000000000426000-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.

flow	ioc
52	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4144 set thread context of 4680	4144	FYI.exe	92

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4088	4680	WerFault.exe	92

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
4680	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4680	MSBuild.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4144 wrote to memory of 4680	4144	FYI.exe	92
PID 4144 wrote to memory of 4680	4144	FYI.exe	92
PID 4144 wrote to memory of 4680	4144	FYI.exe	92
PID 4144 wrote to memory of 4680	4144	FYI.exe	92
PID 4144 wrote to memory of 4680	4144	FYI.exe	92
PID 4144 wrote to memory of 4680	4144	FYI.exe	92
PID 4144 wrote to memory of 4680	4144	FYI.exe	92
PID 4144 wrote to memory of 4680	4144	FYI.exe	92

C:\Users\Admin\AppData\Local\Temp\FYI.exe
"C:\Users\Admin\AppData\Local\Temp\FYI.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4144
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4680
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4680 -s 1508
    3⤵
    - Program crash
    PID:4088

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4680 -ip 4680
1⤵
PID:904

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/4144-124-0x0000000000C80000-0x0000000000D16000-memory.dmp

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memory/4144-125-0x0000000005C90000-0x0000000006234000-memory.dmp

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memory/4144-126-0x00000000056E0000-0x0000000005772000-memory.dmp

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memory/4144-127-0x0000000005880000-0x000000000588A000-memory.dmp

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memory/4144-128-0x00000000077E0000-0x000000000787C000-memory.dmp

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memory/4144-129-0x0000000007A40000-0x0000000007AA6000-memory.dmp

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memory/4680-131-0x0000000000400000-0x0000000000426000-memory.dmp

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