snakekeylogger | 99c5c57ec66db2b568df0891d6e8d4c6420e1bcd629ef55f7148659c9759e3eb

General

Target

99c5c57ec66db2b568df0891d6e8d4c6420e1bcd629ef55f7148659c9759e3eb_JC.exe
Size

22KB
MD5

24726d59051982bcb1ded3daedaacb0b
SHA1

fc2e317d419062860f98f3f0df2f95fcb5ce7718
SHA256

99c5c57ec66db2b568df0891d6e8d4c6420e1bcd629ef55f7148659c9759e3eb
SHA512

768d523fb9fbf5b44c8ae784c8525fb04a382fefaa2594a222ba5c44aae48023d7330e3e25e7bd238f31d6b4921931c276836dcf90fa43c5beaf752e306e502d
SSDEEP

384:eU5ewSdw/L2APL6yRqtxAx+roEOsVK/KO+sB6fOK:FqwCs3RqtGx+roAYP+97

Score

10^/10

snakekeylogger collection keylogger persistence stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot6563963046:AAGlyBHZ_ALQCHnOUZcYa0FHqP2za43gVaM/sendMessage?chat_id=5262627523

Signatures

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

Snake Keylogger payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3308-8-0x0000000140000000-0x0000000140022000-memory.dmp	family_snakekeylogger
behavioral2/memory/3308-12-0x00000254C6040000-0x00000254C6050000-memory.dmp	family_snakekeylogger

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

99c5c57ec66db2b568df0891d6e8d4c6420e1bcd629ef55f7148659c9759e3eb_JC.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dddddd = "C:\\Users\\Admin\\AppData\\Roaming\\dddddd.exe"	99c5c57ec66db2b568df0891d6e8d4c6420e1bcd629ef55f7148659c9759e3eb_JC.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.

Processes:

flow ioc

75 checkip.dyndns.org

flow	ioc
75	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

99c5c57ec66db2b568df0891d6e8d4c6420e1bcd629ef55f7148659c9759e3eb_JC.exe

description	pid	process	target process
PID 644 set thread context of 3308	644	99c5c57ec66db2b568df0891d6e8d4c6420e1bcd629ef55f7148659c9759e3eb_JC.exe	MSBuild.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

MSBuild.exe

pid process

3308 MSBuild.exe
3308 MSBuild.exe

pid	process
3308	MSBuild.exe
3308	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

99c5c57ec66db2b568df0891d6e8d4c6420e1bcd629ef55f7148659c9759e3eb_JC.exeMSBuild.exesvchost.exe

description	pid	process
Token: SeDebugPrivilege	644	99c5c57ec66db2b568df0891d6e8d4c6420e1bcd629ef55f7148659c9759e3eb_JC.exe
Token: SeDebugPrivilege	3308	MSBuild.exe
Token: SeManageVolumePrivilege	4176	svchost.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

99c5c57ec66db2b568df0891d6e8d4c6420e1bcd629ef55f7148659c9759e3eb_JC.exe

description	pid	process	target process
PID 644 wrote to memory of 3308	644	99c5c57ec66db2b568df0891d6e8d4c6420e1bcd629ef55f7148659c9759e3eb_JC.exe	MSBuild.exe
PID 644 wrote to memory of 3308	644	99c5c57ec66db2b568df0891d6e8d4c6420e1bcd629ef55f7148659c9759e3eb_JC.exe	MSBuild.exe
PID 644 wrote to memory of 3308	644	99c5c57ec66db2b568df0891d6e8d4c6420e1bcd629ef55f7148659c9759e3eb_JC.exe	MSBuild.exe
PID 644 wrote to memory of 3308	644	99c5c57ec66db2b568df0891d6e8d4c6420e1bcd629ef55f7148659c9759e3eb_JC.exe	MSBuild.exe
PID 644 wrote to memory of 3308	644	99c5c57ec66db2b568df0891d6e8d4c6420e1bcd629ef55f7148659c9759e3eb_JC.exe	MSBuild.exe
PID 644 wrote to memory of 3308	644	99c5c57ec66db2b568df0891d6e8d4c6420e1bcd629ef55f7148659c9759e3eb_JC.exe	MSBuild.exe

outlook_office_path 1 IoCs

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\99c5c57ec66db2b568df0891d6e8d4c6420e1bcd629ef55f7148659c9759e3eb_JC.exe
"C:\Users\Admin\AppData\Local\Temp\99c5c57ec66db2b568df0891d6e8d4c6420e1bcd629ef55f7148659c9759e3eb_JC.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:644

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3308

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
1⤵
PID:2968

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k UnistackSvcGroup
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4176

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/644-10-0x00007FFC95870000-0x00007FFC96331000-memory.dmp

Filesize
10.8MB

Download
memory/644-1-0x00007FFC95870000-0x00007FFC96331000-memory.dmp

Filesize
10.8MB

Download
memory/644-2-0x00000193231D0000-0x00000193231E0000-memory.dmp

Filesize
64KB

Download
memory/644-3-0x00000193232E0000-0x0000019323328000-memory.dmp

Filesize
288KB

Download
memory/644-4-0x0000019323430000-0x0000019323466000-memory.dmp

Filesize
216KB

Download
memory/644-5-0x00000193234E0000-0x000001932352C000-memory.dmp

Filesize
304KB

Download
memory/644-6-0x00007FFC95870000-0x00007FFC96331000-memory.dmp

Filesize
10.8MB

Download
memory/644-0-0x0000019308C10000-0x0000019308C1C000-memory.dmp

Filesize
48KB

Download
memory/3308-12-0x00000254C6040000-0x00000254C6050000-memory.dmp

Filesize
64KB

Download
memory/3308-11-0x00007FFC95870000-0x00007FFC96331000-memory.dmp

Filesize
10.8MB

Download
memory/3308-8-0x0000000140000000-0x0000000140022000-memory.dmp

Filesize
136KB

Download
memory/3308-13-0x00000254C5FB0000-0x00000254C6000000-memory.dmp

Filesize
320KB

Download
memory/3308-14-0x00000254DEC90000-0x00000254DEE52000-memory.dmp

Filesize
1.8MB

Download
memory/3308-15-0x00007FFC95870000-0x00007FFC96331000-memory.dmp

Filesize
10.8MB

Download
memory/3308-16-0x00000254C6040000-0x00000254C6050000-memory.dmp

Filesize
64KB

Download
memory/4176-33-0x0000027462DA0000-0x0000027462DB0000-memory.dmp

Filesize
64KB

Download
memory/4176-49-0x000002746B110000-0x000002746B111000-memory.dmp

Filesize
4KB

Download
memory/4176-51-0x000002746B140000-0x000002746B141000-memory.dmp

Filesize
4KB

Download
memory/4176-52-0x000002746B140000-0x000002746B141000-memory.dmp

Filesize
4KB

Download
memory/4176-53-0x000002746B250000-0x000002746B251000-memory.dmp

Filesize
4KB

Download
memory/4176-54-0x00000274625B0000-0x00000274625F4000-memory.dmp

Filesize
272KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads