snakekeylogger | 329e8c0525a2c1c5fecced5d189ff5e7a063e8a1188415f42f3543f945fe0337

General

Target

73550af1c4f17e028355c872271f8627.exe
Size

681KB
MD5

73550af1c4f17e028355c872271f8627
SHA1

f29d5e4d73b369f2c3ef5ad534d275fdc1e713a7
SHA256

329e8c0525a2c1c5fecced5d189ff5e7a063e8a1188415f42f3543f945fe0337
SHA512

9c1ad44421632c65e1a54fdb42cf24ad7112c25b299cda4d086ab3e0ee2688cdd5d6aaef1a50f87bf1193796533ddf3093c5f229a15d804dab0df907e104cfd5

Score

10^/10

snakekeylogger keylogger stealer

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
WyhjVTBX5hjrgu7

Signatures

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

Snake Keylogger Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1860-16-0x0000000000400000-0x000000000046A000-memory.dmp	family_snakekeylogger
behavioral1/memory/1860-17-0x000000000046463E-mapping.dmp	family_snakekeylogger
behavioral1/memory/1860-20-0x0000000000400000-0x000000000046A000-memory.dmp	family_snakekeylogger

Drops startup file 2 IoCs

Processes:

Powershell.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\I$s#$lT3ssl.exe	Powershell.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\I$s#$lT3ssl.exe	Powershell.exe

Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

6 checkip.dyndns.org
16 freegeoip.app
17 freegeoip.app
Suspicious use of SetThreadContext 1 IoCs

Processes:

73550af1c4f17e028355c872271f8627.exe

description pid process target process

PID 1648 set thread context of 1860 1648 73550af1c4f17e028355c872271f8627.exe RegAsm.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

Powershell.exeRegAsm.exe

pid process

1248 Powershell.exe
1860 RegAsm.exe
1248 Powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Powershell.exeRegAsm.exe

description pid process

Token: SeDebugPrivilege 1248 Powershell.exe
Token: SeDebugPrivilege 1860 RegAsm.exe

flow	ioc
6	checkip.dyndns.org
16	freegeoip.app
17	freegeoip.app

description	pid	process	target process
PID 1648 set thread context of 1860	1648	73550af1c4f17e028355c872271f8627.exe	RegAsm.exe

pid	process
1248	Powershell.exe
1860	RegAsm.exe
1248	Powershell.exe

description	pid	process
Token: SeDebugPrivilege	1248	Powershell.exe
Token: SeDebugPrivilege	1860	RegAsm.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

73550af1c4f17e028355c872271f8627.exe

description	pid	process	target process
PID 1648 wrote to memory of 1248	1648	73550af1c4f17e028355c872271f8627.exe	Powershell.exe
PID 1648 wrote to memory of 1248	1648	73550af1c4f17e028355c872271f8627.exe	Powershell.exe
PID 1648 wrote to memory of 1248	1648	73550af1c4f17e028355c872271f8627.exe	Powershell.exe
PID 1648 wrote to memory of 1248	1648	73550af1c4f17e028355c872271f8627.exe	Powershell.exe
PID 1648 wrote to memory of 1860	1648	73550af1c4f17e028355c872271f8627.exe	RegAsm.exe
PID 1648 wrote to memory of 1860	1648	73550af1c4f17e028355c872271f8627.exe	RegAsm.exe
PID 1648 wrote to memory of 1860	1648	73550af1c4f17e028355c872271f8627.exe	RegAsm.exe
PID 1648 wrote to memory of 1860	1648	73550af1c4f17e028355c872271f8627.exe	RegAsm.exe
PID 1648 wrote to memory of 1860	1648	73550af1c4f17e028355c872271f8627.exe	RegAsm.exe
PID 1648 wrote to memory of 1860	1648	73550af1c4f17e028355c872271f8627.exe	RegAsm.exe
PID 1648 wrote to memory of 1860	1648	73550af1c4f17e028355c872271f8627.exe	RegAsm.exe
PID 1648 wrote to memory of 1860	1648	73550af1c4f17e028355c872271f8627.exe	RegAsm.exe
PID 1648 wrote to memory of 1860	1648	73550af1c4f17e028355c872271f8627.exe	RegAsm.exe
PID 1648 wrote to memory of 1860	1648	73550af1c4f17e028355c872271f8627.exe	RegAsm.exe
PID 1648 wrote to memory of 1860	1648	73550af1c4f17e028355c872271f8627.exe	RegAsm.exe
PID 1648 wrote to memory of 1860	1648	73550af1c4f17e028355c872271f8627.exe	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\73550af1c4f17e028355c872271f8627.exe
"C:\Users\Admin\AppData\Local\Temp\73550af1c4f17e028355c872271f8627.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1648

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
"Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\73550af1c4f17e028355c872271f8627.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\I$s#$lT3ssl.exe'
2⤵
- Drops startup file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1248

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
PID:1860

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1248-15-0x00000000047F2000-0x00000000047F3000-memory.dmp

Filesize
4KB

Download
memory/1248-24-0x0000000005240000-0x0000000005241000-memory.dmp

Filesize
4KB

Download
memory/1248-42-0x0000000006200000-0x0000000006201000-memory.dmp

Filesize
4KB

Download
memory/1248-35-0x0000000005710000-0x0000000005711000-memory.dmp

Filesize
4KB

Download
memory/1248-34-0x0000000005670000-0x0000000005671000-memory.dmp

Filesize
4KB

Download
memory/1248-8-0x0000000000000000-mapping.dmp

Download
memory/1248-9-0x0000000074D11000-0x0000000074D13000-memory.dmp

Filesize
8KB

Download
memory/1248-10-0x0000000074000000-0x00000000746EE000-memory.dmp

Filesize
6.9MB

Download
memory/1248-11-0x0000000002500000-0x0000000002501000-memory.dmp

Filesize
4KB

Download
memory/1248-12-0x0000000004830000-0x0000000004831000-memory.dmp

Filesize
4KB

Download
memory/1248-33-0x000000007EF30000-0x000000007EF31000-memory.dmp

Filesize
4KB

Download
memory/1248-14-0x00000000047F0000-0x00000000047F1000-memory.dmp

Filesize
4KB

Download
memory/1248-22-0x00000000025C0000-0x00000000025C1000-memory.dmp

Filesize
4KB

Download
memory/1248-28-0x0000000005620000-0x0000000005621000-memory.dmp

Filesize
4KB

Download
memory/1648-3-0x0000000000A10000-0x0000000000A11000-memory.dmp

Filesize
4KB

Download
memory/1648-5-0x0000000004920000-0x0000000004921000-memory.dmp

Filesize
4KB

Download
memory/1648-43-0x0000000004936000-0x0000000004937000-memory.dmp

Filesize
4KB

Download
memory/1648-25-0x00000000008D0000-0x00000000008D1000-memory.dmp

Filesize
4KB

Download
memory/1648-7-0x0000000004925000-0x0000000004936000-memory.dmp

Filesize
68KB

Download
memory/1648-13-0x0000000000390000-0x000000000039F000-memory.dmp

Filesize
60KB

Download
memory/1648-6-0x00000000048A0000-0x0000000004916000-memory.dmp

Filesize
472KB

Download
memory/1648-2-0x0000000074000000-0x00000000746EE000-memory.dmp

Filesize
6.9MB

Download
memory/1860-19-0x0000000074000000-0x00000000746EE000-memory.dmp

Filesize
6.9MB

Download
memory/1860-20-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/1860-23-0x0000000000DD0000-0x0000000000DD1000-memory.dmp

Filesize
4KB

Download
memory/1860-17-0x000000000046463E-mapping.dmp

Download
memory/1860-16-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads