snakekeylogger | 5ef92223b42a4e57547eb2adce7d2bca048a5a8c5ecf54ae5bd2ce630bb5ae53

General

Target
777777777.exe
Size 5KB
Sample210930-sf7f3saaa5
SHA256 5ef92223b42a4e57547eb2adce7d2bca048a5a8c5ecf54ae5bd2ce630bb5ae53
MD5 65253b0ae6233f24ffe1f21f1a0283e3
SHA1 9c85c2296af5c82b4795b8394864e6cac176b9b3
SHA512 44615f21118b2b39a5e0691aea81aa7983409f0460a0ccb77118744f999b7af7230b9443712497ebd2ce852fcb539f57f10854cb04b811062f612a801ac27d79
MD5 SHA1 SHA512

Score

10^/10

snakekeylogger keylogger persistence stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol
smtp
Host
mail.okurmakina.com.tr
Port
587
Username
[email protected]
Password
Oi.4793

Signatures

Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
stealer keylogger snakekeylogger
Downloads MZ/PE file

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows\CurrentVersion\Run\WindowsServices.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\777777777.exe"	777777777.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.

flow	ioc
8	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1112 set thread context of 1564	1112	777777777.exe	27

Program crash 1 IoCs

pid	pid_target	Process	procid_target
680	1564	WerFault.exe	27

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

description	ioc	Process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436\Blob = 04000000010000001000000079e4a9840d7d3a96d7c04fe2434c892e0f0000000100000014000000b34ddd372ed92e8f2abfbb9e20a9d31f204f194b090000000100000034000000303206082b0601050507030106082b0601050507030206082b0601050507030406082b0601050507030306082b0601050507030814000000010000001400000003de503556d14cbb66f0a3e21b1bc397b23dd1550b00000001000000120000004400690067006900430065007200740000001d000000010000001000000059779e39e21a2e3dfced6857ed5c5fd9030000000100000014000000a8985d3a65e5e5c4b2d7d66d40c6dd2fb19c54361900000001000000100000000f3a0527d242de2dc98e5cfcb1e991ee2000000001000000b3030000308203af30820297a0030201020210083be056904246b1a1756ac95991c74a300d06092a864886f70d01010505003061310b300906035504061302555331153013060355040a130c446967694365727420496e6331193017060355040b13107777772e64696769636572742e636f6d3120301e06035504031317446967694365727420476c6f62616c20526f6f74204341301e170d3036313131303030303030305a170d3331313131303030303030305a3061310b300906035504061302555331153013060355040a130c446967694365727420496e6331193017060355040b13107777772e64696769636572742e636f6d3120301e06035504031317446967694365727420476c6f62616c20526f6f7420434130820122300d06092a864886f70d01010105000382010f003082010a0282010100e23be11172dea8a4d3a357aa50a28f0b7790c9a2a5ee12ce965b010920cc0193a74e30b753f743c46900579de28d22dd870640008109cece1b83bfdfcd3b7146e2d666c705b37627168f7b9e1e957deeb748a308dad6af7a0c3906657f4a5d1fbc17f8abbeee28d7747f7a78995985686e5c23324bbf4ec0e85a6de370bf7710bffc01f685d9a844105832a97518d5d1a2be47e2276af49a33f84908608bd45fb43a84bfa1aa4a4c7d3ecf4f5f6c765ea04b37919edc22e66dce141a8e6acbfecdb3146417c75b299e32bff2eefad30b42d4abb74132da0cd4eff881d5bb8d583fb51be84928a270da3104ddf7b216f24c0a4e07a8ed4a3d5eb57fa390c3af270203010001a3633061300e0603551d0f0101ff040403020186300f0603551d130101ff040530030101ff301d0603551d0e0416041403de503556d14cbb66f0a3e21b1bc397b23dd155301f0603551d2304183016801403de503556d14cbb66f0a3e21b1bc397b23dd155300d06092a864886f70d01010505000382010100cb9c37aa4813120afadd449c4f52b0f4dfae04f5797908a32418fc4b2b84c02db9d5c7fef4c11f58cbb86d9c7a74e79829ab11b5e370a0a1cd4c8899938c9170e2ab0f1cbe93a9ff63d5e40760d3a3bf9d5b09f1d58ee353f48e63fa3fa7dbb466df6266d6d16e418df22db5ea774a9f9d58e22b59c04023ed2d2882453e7954922698e08048a837eff0d6796016deace80ecd6eac4417382f49dae1453e2ab93653cf3a5006f72ee8c457496c612118d504ad783c2c3a806ba7ebaf1514e9d889c1b9386ce2916c8aff64b977255730c01b24a3e1dce9df477cb5b424080530ec2dbd0bbf45bf50b9a9f3eb980112adc888c698345f8d0a3cc6e9d595956dde	777777777.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436	777777777.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1564	RegAsm.exe
680	WerFault.exe
680	WerFault.exe
680	WerFault.exe
680	WerFault.exe
680	WerFault.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
680	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1112	777777777.exe
Token: SeDebugPrivilege	1564	RegAsm.exe
Token: SeDebugPrivilege	680	WerFault.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1112 wrote to memory of 1564	1112	777777777.exe	27
PID 1112 wrote to memory of 1564	1112	777777777.exe	27
PID 1112 wrote to memory of 1564	1112	777777777.exe	27
PID 1112 wrote to memory of 1564	1112	777777777.exe	27
PID 1112 wrote to memory of 1564	1112	777777777.exe	27
PID 1112 wrote to memory of 1564	1112	777777777.exe	27
PID 1112 wrote to memory of 1564	1112	777777777.exe	27
PID 1112 wrote to memory of 1564	1112	777777777.exe	27
PID 1112 wrote to memory of 1564	1112	777777777.exe	27
PID 1112 wrote to memory of 1564	1112	777777777.exe	27
PID 1112 wrote to memory of 1564	1112	777777777.exe	27
PID 1112 wrote to memory of 1564	1112	777777777.exe	27
PID 1564 wrote to memory of 680	1564	RegAsm.exe	28
PID 1564 wrote to memory of 680	1564	RegAsm.exe	28
PID 1564 wrote to memory of 680	1564	RegAsm.exe	28
PID 1564 wrote to memory of 680	1564	RegAsm.exe	28

C:\Users\Admin\AppData\Local\Temp\777777777.exe
"C:\Users\Admin\AppData\Local\Temp\777777777.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Modifies system certificate store
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1112
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1564
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1564 -s 1164
    3⤵
    - Program crash
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    PID:680

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Install Root Certificate

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/680-64-0x00000000003A0000-0x00000000003A1000-memory.dmp

Download

memory/1112-53-0x00000000011E0000-0x00000000011E1000-memory.dmp

Download

memory/1112-55-0x0000000001120000-0x0000000001122000-memory.dmp

Download

memory/1112-56-0x0000000000330000-0x0000000000341000-memory.dmp

Download

memory/1564-57-0x0000000000400000-0x0000000000426000-memory.dmp

Download

memory/1564-59-0x0000000075871000-0x0000000075873000-memory.dmp

Download

memory/1564-60-0x0000000000400000-0x0000000000426000-memory.dmp

Download

memory/1564-62-0x0000000004B10000-0x0000000004B11000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads