snakekeylogger | f366a3ae7288d8c79063044af4427617ec227ebc960cf143dc0a020f3827b92e

General

Target

f366a3ae7288d8c79063044af4427617ec227ebc960cf143dc0a020f3827b92e.exe
Size

465KB
MD5

e478ed355e068b56b658d62359cff6ca
SHA1

7c394f05d4eaba81e427f79bba08a5d413809537
SHA256

f366a3ae7288d8c79063044af4427617ec227ebc960cf143dc0a020f3827b92e
SHA512

7883fa17e55dfe58261cd50e2789aa8a0c4a940fad2e295879718c7409ffed6001cd688801e64e09613291af0577626b161da40de2e999ef72c3a1f600221c2e
SSDEEP

12288:SYV6MorX7qzuC3QHO9FQVHPF51jgcmwmkVOvtJmUHJ/r:hBXu9HGaVHmwN4Jm2Nr

Score

10^/10

snakekeylogger collection discovery keylogger stealer upx

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
ssl0.ovh.net
Port:
587
Username:
[email protected]
Password:
sj4Ub78kk
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/1204-35-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Snakekeylogger family
snakekeylogger

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\acceptancy.vbs	acceptancy.exe

Executes dropped EXE 1 IoCs

pid	Process
2244	acceptancy.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1121399784-3202166597-3503557106-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1121399784-3202166597-3503557106-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1121399784-3202166597-3503557106-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.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.

flow	ioc
23	reallyfreegeoip.org
20	checkip.dyndns.org
22	reallyfreegeoip.org

AutoIT Executable 2 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/4580-18-0x0000000000490000-0x00000000005A5000-memory.dmp	autoit_exe
behavioral2/memory/2244-37-0x0000000000950000-0x0000000000A65000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2244 set thread context of 1204	2244	acceptancy.exe	88

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4580-0-0x0000000000490000-0x00000000005A5000-memory.dmp	upx
behavioral2/files/0x0008000000023c5a-15.dat	upx
behavioral2/memory/2244-16-0x0000000000950000-0x0000000000A65000-memory.dmp	upx
behavioral2/memory/4580-18-0x0000000000490000-0x00000000005A5000-memory.dmp	upx
behavioral2/memory/2244-37-0x0000000000950000-0x0000000000A65000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f366a3ae7288d8c79063044af4427617ec227ebc960cf143dc0a020f3827b92e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	acceptancy.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1204	RegSvcs.exe
1204	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2244	acceptancy.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1204	RegSvcs.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
4580	f366a3ae7288d8c79063044af4427617ec227ebc960cf143dc0a020f3827b92e.exe
4580	f366a3ae7288d8c79063044af4427617ec227ebc960cf143dc0a020f3827b92e.exe
2244	acceptancy.exe
2244	acceptancy.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
4580	f366a3ae7288d8c79063044af4427617ec227ebc960cf143dc0a020f3827b92e.exe
4580	f366a3ae7288d8c79063044af4427617ec227ebc960cf143dc0a020f3827b92e.exe
2244	acceptancy.exe
2244	acceptancy.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4580 wrote to memory of 2244	4580	f366a3ae7288d8c79063044af4427617ec227ebc960cf143dc0a020f3827b92e.exe	87
PID 4580 wrote to memory of 2244	4580	f366a3ae7288d8c79063044af4427617ec227ebc960cf143dc0a020f3827b92e.exe	87
PID 4580 wrote to memory of 2244	4580	f366a3ae7288d8c79063044af4427617ec227ebc960cf143dc0a020f3827b92e.exe	87
PID 2244 wrote to memory of 1204	2244	acceptancy.exe	88
PID 2244 wrote to memory of 1204	2244	acceptancy.exe	88
PID 2244 wrote to memory of 1204	2244	acceptancy.exe	88
PID 2244 wrote to memory of 1204	2244	acceptancy.exe	88

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1121399784-3202166597-3503557106-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1121399784-3202166597-3503557106-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\f366a3ae7288d8c79063044af4427617ec227ebc960cf143dc0a020f3827b92e.exe
"C:\Users\Admin\AppData\Local\Temp\f366a3ae7288d8c79063044af4427617ec227ebc960cf143dc0a020f3827b92e.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4580
- C:\Users\Admin\AppData\Local\Sancerre\acceptancy.exe
  "C:\Users\Admin\AppData\Local\Temp\f366a3ae7288d8c79063044af4427617ec227ebc960cf143dc0a020f3827b92e.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:2244
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Users\Admin\AppData\Local\Temp\f366a3ae7288d8c79063044af4427617ec227ebc960cf143dc0a020f3827b92e.exe"
    3⤵
    - Accesses Microsoft Outlook profiles
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - outlook_office_path
    - outlook_win_path
    PID:1204

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Sancerre\acceptancy.exe

Filesize
465KB

MD5
e478ed355e068b56b658d62359cff6ca

SHA1
7c394f05d4eaba81e427f79bba08a5d413809537

SHA256
f366a3ae7288d8c79063044af4427617ec227ebc960cf143dc0a020f3827b92e

SHA512
7883fa17e55dfe58261cd50e2789aa8a0c4a940fad2e295879718c7409ffed6001cd688801e64e09613291af0577626b161da40de2e999ef72c3a1f600221c2e

Download Submit
C:\Users\Admin\AppData\Local\Temp\disimmure

Filesize
56KB

MD5
27daabbcb4703ebbdd39caf9a735fa2f

SHA1
8265f5e3f696565aac9700e51174107cfac13c32

SHA256
f0275130d4e01098e8544d295e32dc3aab5dc31339ef1a32b884c8037fc3ff7b

SHA512
c230ad25824e20a2c557a77475c6a65d915353fc121fac1fab3743b8199de89bef9e3ebc1a16dfe1fb2a6b2745d16a3ac24af3e76fa1d1a8785573d3878e37a5

Download Submit
C:\Users\Admin\AppData\Local\Temp\furcation

Filesize
130KB

MD5
9761a4ba1bf627b9c906a3e26eeb9151

SHA1
7c4165430ff73f17413ccbf4413cee4246aabbaf

SHA256
95e967e8be746292b91b4f62170e4325b6807224c96f3232783370e6c3faf222

SHA512
a468e97114f5067023cf6970fb942103dd995cc77db74bb28a3e421ba852b3e4947cca2af6f63e63a3dc65bb8e5a90fc555337f4698dc987af89da3169a7c146

Download Submit
memory/1204-38-0x00000000742FE000-0x00000000742FF000-memory.dmp

Filesize
4KB

Download
memory/1204-40-0x00000000058E0000-0x000000000597C000-memory.dmp

Filesize
624KB

Download
memory/1204-47-0x00000000742F0000-0x0000000074AA0000-memory.dmp

Filesize
7.7MB

Download
memory/1204-46-0x00000000742FE000-0x00000000742FF000-memory.dmp

Filesize
4KB

Download
memory/1204-45-0x0000000006CB0000-0x0000000006CBA000-memory.dmp

Filesize
40KB

Download
memory/1204-35-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1204-44-0x0000000006CF0000-0x0000000006D82000-memory.dmp

Filesize
584KB

Download
memory/1204-43-0x0000000006E20000-0x0000000006FE2000-memory.dmp

Filesize
1.8MB

Download
memory/1204-39-0x0000000005DF0000-0x0000000006394000-memory.dmp

Filesize
5.6MB

Download
memory/1204-42-0x0000000006C00000-0x0000000006C50000-memory.dmp

Filesize
320KB

Download
memory/1204-41-0x00000000742F0000-0x0000000074AA0000-memory.dmp

Filesize
7.7MB

Download
memory/2244-37-0x0000000000950000-0x0000000000A65000-memory.dmp

Filesize
1.1MB

Download
memory/2244-33-0x0000000000F20000-0x0000000001320000-memory.dmp

Filesize
4.0MB

Download
memory/2244-16-0x0000000000950000-0x0000000000A65000-memory.dmp

Filesize
1.1MB

Download
memory/4580-18-0x0000000000490000-0x00000000005A5000-memory.dmp

Filesize
1.1MB

Download
memory/4580-0-0x0000000000490000-0x00000000005A5000-memory.dmp

Filesize
1.1MB

Download
memory/4580-12-0x0000000000E80000-0x0000000001280000-memory.dmp

Filesize
4.0MB

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