snakekeylogger | 79861c58558e7cd10c66a41edda287077ce8ee7516060066a21f254a85aef72e

General

Target

Contract.exe
Size

571KB
MD5

1bc8a8efa890196a91f54124e2b4b30f
SHA1

3436f66f6af1fc6698e5ef631386465da692ee33
SHA256

1bed29c0a6409a825cc6c5d3cfe488a5524432c0ccb2e896a44c7bc87d252f22
SHA512

e5bf2b6110b31f0760f2fceb7372df2f146f8e79612468c556439834c0e344d7fada1e07d7739009fff15c50e39bf668246b8a6b37259876c343d446c85e3e62
SSDEEP

12288:uUPZbEeX/C9M5YrN17Iq+PoQeSeAXVf4Y1BRMQ0b2r8lM4:uUPh//C9M5Yx1T+oXHubRI1lM4

Score

10^/10

snakekeylogger collection discovery execution keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.murchisonspice.co.za
Port:
587
Username:
[email protected]
Password:
orders786q#

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/1340-31-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1340-29-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1340-28-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1340-25-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1340-23-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Snakekeylogger family
snakekeylogger

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2648	powershell.exe
2904	powershell.exe

Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Contract.exe
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Contract.exe
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Contract.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.

flow	ioc
4	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1044 set thread context of 1340	1044	Contract.exe	34

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Contract.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Contract.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2892	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1340	Contract.exe
2904	powershell.exe
2648	powershell.exe
1340	Contract.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1340	Contract.exe
Token: SeDebugPrivilege	2904	powershell.exe
Token: SeDebugPrivilege	2648	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1044 wrote to memory of 2648	1044	Contract.exe	28
PID 1044 wrote to memory of 2648	1044	Contract.exe	28
PID 1044 wrote to memory of 2648	1044	Contract.exe	28
PID 1044 wrote to memory of 2648	1044	Contract.exe	28
PID 1044 wrote to memory of 2904	1044	Contract.exe	30
PID 1044 wrote to memory of 2904	1044	Contract.exe	30
PID 1044 wrote to memory of 2904	1044	Contract.exe	30
PID 1044 wrote to memory of 2904	1044	Contract.exe	30
PID 1044 wrote to memory of 2892	1044	Contract.exe	31
PID 1044 wrote to memory of 2892	1044	Contract.exe	31
PID 1044 wrote to memory of 2892	1044	Contract.exe	31
PID 1044 wrote to memory of 2892	1044	Contract.exe	31
PID 1044 wrote to memory of 1340	1044	Contract.exe	34
PID 1044 wrote to memory of 1340	1044	Contract.exe	34
PID 1044 wrote to memory of 1340	1044	Contract.exe	34
PID 1044 wrote to memory of 1340	1044	Contract.exe	34
PID 1044 wrote to memory of 1340	1044	Contract.exe	34
PID 1044 wrote to memory of 1340	1044	Contract.exe	34
PID 1044 wrote to memory of 1340	1044	Contract.exe	34
PID 1044 wrote to memory of 1340	1044	Contract.exe	34
PID 1044 wrote to memory of 1340	1044	Contract.exe	34

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Contract.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Contract.exe

C:\Users\Admin\AppData\Local\Temp\Contract.exe
"C:\Users\Admin\AppData\Local\Temp\Contract.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1044
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Contract.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2648
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\UTzCgvPjcA.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2904
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UTzCgvPjcA" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9D68.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2892
- C:\Users\Admin\AppData\Local\Temp\Contract.exe
  "C:\Users\Admin\AppData\Local\Temp\Contract.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1340

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp9D68.tmp

Filesize
1KB

MD5
f97f5f320a103d074252d1e8028e1f70

SHA1
9a62ac6f12d067a9861b00a88b74b0adddf1d04a

SHA256
dfcf69bae880eefaa06f36b612bb1996be1082fce457d1f96cb7795ca058b76d

SHA512
7ae50071b3d24c36a2ec19108b35b55d64e43e96bae105037acf6292218c91bf8207af385deaa2edce08ed607c96a2907b7988589a12f01d3a629947eebfd8a8

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\CK3DK7EV6WCGER7QIHFG.temp

Filesize
7KB

MD5
fd736347d20be36ffebb7852cfc8830b

SHA1
bb75c8146f65d73768c93bf93a793dae6876f675

SHA256
09a7695be2f11611328962b66076c06234d23a07dd0b688c39f710ed18887f8e

SHA512
e2bd1f359f877bc5848905e298c4c25fcd48742006473af7d89396fa6d7a2e0feeefc988aea9edd901323ec68c30db80ab83a905a8497b4bc0772b5f819f8509

Download Submit
memory/1044-4-0x00000000740EE000-0x00000000740EF000-memory.dmp

Filesize
4KB

Download
memory/1044-32-0x00000000740E0000-0x00000000747CE000-memory.dmp

Filesize
6.9MB

Download
memory/1044-0-0x00000000740EE000-0x00000000740EF000-memory.dmp

Filesize
4KB

Download
memory/1044-5-0x00000000740E0000-0x00000000747CE000-memory.dmp

Filesize
6.9MB

Download
memory/1044-6-0x0000000000440000-0x00000000004A8000-memory.dmp

Filesize
416KB

Download
memory/1044-2-0x00000000740E0000-0x00000000747CE000-memory.dmp

Filesize
6.9MB

Download
memory/1044-1-0x0000000000DA0000-0x0000000000E36000-memory.dmp

Filesize
600KB

Download
memory/1044-3-0x0000000000530000-0x000000000054C000-memory.dmp

Filesize
112KB

Download
memory/1340-31-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1340-28-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1340-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1340-25-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1340-23-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1340-21-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1340-19-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1340-29-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads