snakekeylogger | 18efcc58d9ea4a8de71c9007578c896b544bab8186145df495ee4126f2d08268

General

Target

18efcc58d9ea4a8de71c9007578c896b544bab8186145df495ee4126f2d08268_JC.exe
Size

185KB
MD5

8865f588e1ea32b91dfd0130ae6469bc
SHA1

d191e628a2998aba203c6482970dafa09bb66729
SHA256

18efcc58d9ea4a8de71c9007578c896b544bab8186145df495ee4126f2d08268
SHA512

0b2fea121298d60b83b2f314da08eed44649e919104c714ba8234eddcaacf43cb049e173705947b0b11c55188b663fc5c5a4c303d262ec34fac18aa9d6328e0d
SSDEEP

3072:QlFOT6UIRGbCcoNlFWtwCpoE5as+rN1Wco0vAm26/TcEBC1RB:QlFudIYmcozFiwCGE5aXWcoIzv/Tcr1X

Score

10^/10

snakekeylogger collection keylogger persistence stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot6566589691:AAFApTT4-vdsgK7fcVU9cwFelVxNx3knl8M/sendMessage?chat_id=5582419717

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/1324-10-0x0000000140000000-0x0000000140022000-memory.dmp	family_snakekeylogger
behavioral2/memory/1324-14-0x000001827D210000-0x000001827D220000-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-1-5-21-1045988481-1457812719-2617974652-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000\Software\Microsoft\Office\16.0\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:

18efcc58d9ea4a8de71c9007578c896b544bab8186145df495ee4126f2d08268_JC.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fffffffff = "C:\\Users\\Admin\\AppData\\Roaming\\fffffffff.exe"	18efcc58d9ea4a8de71c9007578c896b544bab8186145df495ee4126f2d08268_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

67 checkip.dyndns.org

flow	ioc
67	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

18efcc58d9ea4a8de71c9007578c896b544bab8186145df495ee4126f2d08268_JC.exe

description	pid	process	target process
PID 4492 set thread context of 1324	4492	18efcc58d9ea4a8de71c9007578c896b544bab8186145df495ee4126f2d08268_JC.exe	MSBuild.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

MSBuild.exe

pid process

1324 MSBuild.exe
1324 MSBuild.exe

pid	process
1324	MSBuild.exe
1324	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

18efcc58d9ea4a8de71c9007578c896b544bab8186145df495ee4126f2d08268_JC.exeMSBuild.exe

description	pid	process
Token: SeDebugPrivilege	4492	18efcc58d9ea4a8de71c9007578c896b544bab8186145df495ee4126f2d08268_JC.exe
Token: SeDebugPrivilege	1324	MSBuild.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

18efcc58d9ea4a8de71c9007578c896b544bab8186145df495ee4126f2d08268_JC.exe

description	pid	process	target process
PID 4492 wrote to memory of 1324	4492	18efcc58d9ea4a8de71c9007578c896b544bab8186145df495ee4126f2d08268_JC.exe	MSBuild.exe
PID 4492 wrote to memory of 1324	4492	18efcc58d9ea4a8de71c9007578c896b544bab8186145df495ee4126f2d08268_JC.exe	MSBuild.exe
PID 4492 wrote to memory of 1324	4492	18efcc58d9ea4a8de71c9007578c896b544bab8186145df495ee4126f2d08268_JC.exe	MSBuild.exe
PID 4492 wrote to memory of 1324	4492	18efcc58d9ea4a8de71c9007578c896b544bab8186145df495ee4126f2d08268_JC.exe	MSBuild.exe
PID 4492 wrote to memory of 1324	4492	18efcc58d9ea4a8de71c9007578c896b544bab8186145df495ee4126f2d08268_JC.exe	MSBuild.exe
PID 4492 wrote to memory of 1324	4492	18efcc58d9ea4a8de71c9007578c896b544bab8186145df495ee4126f2d08268_JC.exe	MSBuild.exe

outlook_office_path 1 IoCs

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000\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-1-5-21-1045988481-1457812719-2617974652-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\18efcc58d9ea4a8de71c9007578c896b544bab8186145df495ee4126f2d08268_JC.exe
"C:\Users\Admin\AppData\Local\Temp\18efcc58d9ea4a8de71c9007578c896b544bab8186145df495ee4126f2d08268_JC.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4492

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:1324

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

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Downloads

memory/1324-10-0x0000000140000000-0x0000000140022000-memory.dmp

Filesize
136KB

Download
memory/1324-18-0x000001827DC20000-0x000001827DDE2000-memory.dmp

Filesize
1.8MB

Download
memory/1324-17-0x000001827DA00000-0x000001827DA50000-memory.dmp

Filesize
320KB

Download
memory/1324-16-0x000001827D210000-0x000001827D220000-memory.dmp

Filesize
64KB

Download
memory/1324-15-0x00007FFA40B90000-0x00007FFA41651000-memory.dmp

Filesize
10.8MB

Download
memory/1324-14-0x000001827D210000-0x000001827D220000-memory.dmp

Filesize
64KB

Download
memory/1324-12-0x00007FFA40B90000-0x00007FFA41651000-memory.dmp

Filesize
10.8MB

Download
memory/4492-4-0x0000024D54300000-0x0000024D54348000-memory.dmp

Filesize
288KB

Download
memory/4492-8-0x0000024D543A0000-0x0000024D543B0000-memory.dmp

Filesize
64KB

Download
memory/4492-7-0x00007FFA40B90000-0x00007FFA41651000-memory.dmp

Filesize
10.8MB

Download
memory/4492-6-0x0000024D546A0000-0x0000024D546EC000-memory.dmp

Filesize
304KB

Download
memory/4492-13-0x00007FFA40B90000-0x00007FFA41651000-memory.dmp

Filesize
10.8MB

Download
memory/4492-5-0x0000024D545F0000-0x0000024D54626000-memory.dmp

Filesize
216KB

Download
memory/4492-0-0x0000024D39EB0000-0x0000024D39EE2000-memory.dmp

Filesize
200KB

Download
memory/4492-3-0x0000024D543A0000-0x0000024D543B0000-memory.dmp

Filesize
64KB

Download
memory/4492-2-0x00007FFA40B90000-0x00007FFA41651000-memory.dmp

Filesize
10.8MB

Download
memory/4492-1-0x0000024D3A2B0000-0x0000024D3A2B6000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads