snakekeylogger | dd93e71cdd590d9c74d24a1b822948e7501b7a38df590d4d52ddf3e862a0cb2d

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
01-07-2024 01:21

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General

Target

dd93e71cdd590d9c74d24a1b822948e7501b7a38df590d4d52ddf3e862a0cb2d.exe
Size

1.8MB
MD5

0c5a964f9cbf2fec077302e6baa7316f
SHA1

d0593ff771d4cf489903b807aa93f29f5a51f0b5
SHA256

dd93e71cdd590d9c74d24a1b822948e7501b7a38df590d4d52ddf3e862a0cb2d
SHA512

4947d5c0632be00af4ae33700eb85a82daea3f2e1a373b8e454a7103a6959e7f31b973c135ae498b3c70da1c12cdf3482bf43ad3abf92ce7af3f3a54d47a6817
SSDEEP

12288:g6R0Jt0zWWrUufKjFokZGX+KxITevb8OaAN:gi0Jt9W6FovBx3DV

Score

10^/10

snakekeylogger keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
valleycountysar.org
Port:
26
Username:
[email protected]
Password:
fY,FLoadtsiF

Signatures

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

Snake Keylogger payload 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2176-8-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2176-13-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2176-17-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2176-16-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2176-10-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2176-8-0x0000000000400000-0x0000000000426000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2176-13-0x0000000000400000-0x0000000000426000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2176-17-0x0000000000400000-0x0000000000426000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2176-16-0x0000000000400000-0x0000000000426000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2176-10-0x0000000000400000-0x0000000000426000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables packed with or use KoiVM 1 IoCs

Processes:

resource yara_rule

behavioral1/memory/2116-2-0x00000000001C0000-0x000000000023A000-memory.dmp INDICATOR_EXE_Packed_KoiVM

resource	yara_rule
behavioral1/memory/2116-2-0x00000000001C0000-0x000000000023A000-memory.dmp	INDICATOR_EXE_Packed_KoiVM

Detects executables referencing many email and collaboration clients. Observed in information stealers 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2176-8-0x0000000000400000-0x0000000000426000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2176-13-0x0000000000400000-0x0000000000426000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2176-17-0x0000000000400000-0x0000000000426000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2176-16-0x0000000000400000-0x0000000000426000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2176-10-0x0000000000400000-0x0000000000426000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables with potential process hoocking 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2176-8-0x0000000000400000-0x0000000000426000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_DotNetProcHook
behavioral1/memory/2176-13-0x0000000000400000-0x0000000000426000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_DotNetProcHook
behavioral1/memory/2176-17-0x0000000000400000-0x0000000000426000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_DotNetProcHook
behavioral1/memory/2176-16-0x0000000000400000-0x0000000000426000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_DotNetProcHook
behavioral1/memory/2176-10-0x0000000000400000-0x0000000000426000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_DotNetProcHook

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:

dd93e71cdd590d9c74d24a1b822948e7501b7a38df590d4d52ddf3e862a0cb2d.exe

description pid process target process

PID 2116 set thread context of 2176 2116 dd93e71cdd590d9c74d24a1b822948e7501b7a38df590d4d52ddf3e862a0cb2d.exe regsvcs.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2548 2176 WerFault.exe regsvcs.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

regsvcs.exe

pid process

2176 regsvcs.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

regsvcs.exe

description pid process

Token: SeDebugPrivilege 2176 regsvcs.exe

flow	ioc
4	checkip.dyndns.org

description	pid	process	target process
PID 2116 set thread context of 2176	2116	dd93e71cdd590d9c74d24a1b822948e7501b7a38df590d4d52ddf3e862a0cb2d.exe	regsvcs.exe

pid	pid_target	process	target process
2548	2176	WerFault.exe	regsvcs.exe

pid	process
2176	regsvcs.exe

description	pid	process
Token: SeDebugPrivilege	2176	regsvcs.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

dd93e71cdd590d9c74d24a1b822948e7501b7a38df590d4d52ddf3e862a0cb2d.exeregsvcs.exe

description	pid	process	target process
PID 2116 wrote to memory of 2176	2116	dd93e71cdd590d9c74d24a1b822948e7501b7a38df590d4d52ddf3e862a0cb2d.exe	regsvcs.exe
PID 2116 wrote to memory of 2176	2116	dd93e71cdd590d9c74d24a1b822948e7501b7a38df590d4d52ddf3e862a0cb2d.exe	regsvcs.exe
PID 2116 wrote to memory of 2176	2116	dd93e71cdd590d9c74d24a1b822948e7501b7a38df590d4d52ddf3e862a0cb2d.exe	regsvcs.exe
PID 2116 wrote to memory of 2176	2116	dd93e71cdd590d9c74d24a1b822948e7501b7a38df590d4d52ddf3e862a0cb2d.exe	regsvcs.exe
PID 2116 wrote to memory of 2176	2116	dd93e71cdd590d9c74d24a1b822948e7501b7a38df590d4d52ddf3e862a0cb2d.exe	regsvcs.exe
PID 2116 wrote to memory of 2176	2116	dd93e71cdd590d9c74d24a1b822948e7501b7a38df590d4d52ddf3e862a0cb2d.exe	regsvcs.exe
PID 2116 wrote to memory of 2176	2116	dd93e71cdd590d9c74d24a1b822948e7501b7a38df590d4d52ddf3e862a0cb2d.exe	regsvcs.exe
PID 2116 wrote to memory of 2176	2116	dd93e71cdd590d9c74d24a1b822948e7501b7a38df590d4d52ddf3e862a0cb2d.exe	regsvcs.exe
PID 2116 wrote to memory of 2176	2116	dd93e71cdd590d9c74d24a1b822948e7501b7a38df590d4d52ddf3e862a0cb2d.exe	regsvcs.exe
PID 2116 wrote to memory of 2176	2116	dd93e71cdd590d9c74d24a1b822948e7501b7a38df590d4d52ddf3e862a0cb2d.exe	regsvcs.exe
PID 2116 wrote to memory of 2176	2116	dd93e71cdd590d9c74d24a1b822948e7501b7a38df590d4d52ddf3e862a0cb2d.exe	regsvcs.exe
PID 2116 wrote to memory of 2176	2116	dd93e71cdd590d9c74d24a1b822948e7501b7a38df590d4d52ddf3e862a0cb2d.exe	regsvcs.exe
PID 2116 wrote to memory of 1252	2116	dd93e71cdd590d9c74d24a1b822948e7501b7a38df590d4d52ddf3e862a0cb2d.exe	WerFault.exe
PID 2116 wrote to memory of 1252	2116	dd93e71cdd590d9c74d24a1b822948e7501b7a38df590d4d52ddf3e862a0cb2d.exe	WerFault.exe
PID 2116 wrote to memory of 1252	2116	dd93e71cdd590d9c74d24a1b822948e7501b7a38df590d4d52ddf3e862a0cb2d.exe	WerFault.exe
PID 2176 wrote to memory of 2548	2176	regsvcs.exe	WerFault.exe
PID 2176 wrote to memory of 2548	2176	regsvcs.exe	WerFault.exe
PID 2176 wrote to memory of 2548	2176	regsvcs.exe	WerFault.exe
PID 2176 wrote to memory of 2548	2176	regsvcs.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\dd93e71cdd590d9c74d24a1b822948e7501b7a38df590d4d52ddf3e862a0cb2d.exe
"C:\Users\Admin\AppData\Local\Temp\dd93e71cdd590d9c74d24a1b822948e7501b7a38df590d4d52ddf3e862a0cb2d.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2116

C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2176

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2176 -s 1052
3⤵
- Program crash
PID:2548

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 2116 -s 624
2⤵
PID:1252

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2116-0-0x000007FEF5B63000-0x000007FEF5B64000-memory.dmp

Filesize
4KB

Download
memory/2116-1-0x00000000001B0000-0x00000000001B8000-memory.dmp

Filesize
32KB

Download
memory/2116-2-0x00000000001C0000-0x000000000023A000-memory.dmp

Filesize
488KB

Download
memory/2116-3-0x000007FEF5B60000-0x000007FEF654C000-memory.dmp

Filesize
9.9MB

Download
memory/2116-21-0x000007FEF5B60000-0x000007FEF654C000-memory.dmp

Filesize
9.9MB

Download
memory/2116-20-0x000007FEF5B63000-0x000007FEF5B64000-memory.dmp

Filesize
4KB

Download
memory/2176-16-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2176-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2176-17-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2176-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2176-4-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2176-10-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2176-18-0x00000000748DE000-0x00000000748DF000-memory.dmp

Filesize
4KB

Download
memory/2176-19-0x00000000748D0000-0x0000000074FBE000-memory.dmp

Filesize
6.9MB

Download
memory/2176-13-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2176-8-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2176-22-0x00000000748D0000-0x0000000074FBE000-memory.dmp

Filesize
6.9MB

Download