snakekeylogger | bde75e5a73df3ef95e72fd79905f718427f70945166bbf8558f9e84b3605abaa

General

Target

INVOICE.exe
Size

572KB
MD5

1457e577596abbbe8fa4e98e2fece1da
SHA1

7817268b3b29232cd8dc35ced850f60867f9e24d
SHA256

bde75e5a73df3ef95e72fd79905f718427f70945166bbf8558f9e84b3605abaa
SHA512

2b9b7f57b9be93d98c5b2d0444caffa81ce8161884328b4d38299017d3348d1b145b4ccc890d4238aff58f13b6410c749537c5bd76f7cfc1d4c594f2f47d0dc6
SSDEEP

12288:7n2iNxQPYsPEiLHEm/YZYg8p+9bhr4zZsdU:b12YsciLHFYmM9bhRd

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
silverkeyinternational.com
Port:
25
Username:
[email protected]
Password:
Key@2022

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/1188-146-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2890635272-812199704-3564780063-1000\Control Panel\International\Geo\Nation	INVOICE.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
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2890635272-812199704-3564780063-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INVOICE.exe
Key opened	\REGISTRY\USER\S-1-5-21-2890635272-812199704-3564780063-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INVOICE.exe
Key opened	\REGISTRY\USER\S-1-5-21-2890635272-812199704-3564780063-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INVOICE.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
56	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 456 set thread context of 1188	456	INVOICE.exe	104

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

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

persistence

Scheduled Task

T1053

pid	Process
1124	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
456	INVOICE.exe
456	INVOICE.exe
456	INVOICE.exe
456	INVOICE.exe
1188	INVOICE.exe
4960	powershell.exe
1188	INVOICE.exe
4960	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	456	INVOICE.exe
Token: SeDebugPrivilege	1188	INVOICE.exe
Token: SeDebugPrivilege	4960	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 456 wrote to memory of 4960	456	INVOICE.exe	99
PID 456 wrote to memory of 4960	456	INVOICE.exe	99
PID 456 wrote to memory of 4960	456	INVOICE.exe	99
PID 456 wrote to memory of 1124	456	INVOICE.exe	101
PID 456 wrote to memory of 1124	456	INVOICE.exe	101
PID 456 wrote to memory of 1124	456	INVOICE.exe	101
PID 456 wrote to memory of 1956	456	INVOICE.exe	103
PID 456 wrote to memory of 1956	456	INVOICE.exe	103
PID 456 wrote to memory of 1956	456	INVOICE.exe	103
PID 456 wrote to memory of 1188	456	INVOICE.exe	104
PID 456 wrote to memory of 1188	456	INVOICE.exe	104
PID 456 wrote to memory of 1188	456	INVOICE.exe	104
PID 456 wrote to memory of 1188	456	INVOICE.exe	104
PID 456 wrote to memory of 1188	456	INVOICE.exe	104
PID 456 wrote to memory of 1188	456	INVOICE.exe	104
PID 456 wrote to memory of 1188	456	INVOICE.exe	104
PID 456 wrote to memory of 1188	456	INVOICE.exe	104

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2890635272-812199704-3564780063-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INVOICE.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2890635272-812199704-3564780063-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INVOICE.exe

C:\Users\Admin\AppData\Local\Temp\INVOICE.exe
"C:\Users\Admin\AppData\Local\Temp\INVOICE.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:456
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\GrsOwoPibU.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4960
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GrsOwoPibU" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3BD0.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1124
- C:\Users\Admin\AppData\Local\Temp\INVOICE.exe
  "C:\Users\Admin\AppData\Local\Temp\INVOICE.exe"
  2⤵
  PID:1956
- C:\Users\Admin\AppData\Local\Temp\INVOICE.exe
  "C:\Users\Admin\AppData\Local\Temp\INVOICE.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1188

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fabgykql.yhr.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp3BD0.tmp

Filesize
1KB

MD5
fc33b18af9f54f3cdabd4b8819fa6de4

SHA1
17de3a223d987b5d653f3d67d28ad75203b1f26e

SHA256
c006de81026a83925eee501e50ecf035b3450f6cc1da1c2de2575dab8a084f3d

SHA512
346e407fc3b0a0606e3f1c278aa84b1b290e470ac907ba7d895e45e994d46f5ab7186f420c43a131345c9aa5463fef985deee35d3faaa8e555f1a23148d8e313

Download Submit
memory/456-139-0x000000000ABF0000-0x000000000AC8C000-memory.dmp

Filesize
624KB

Download
memory/456-136-0x00000000055F0000-0x00000000055FA000-memory.dmp

Filesize
40KB

Download
memory/456-137-0x0000000003050000-0x0000000003060000-memory.dmp

Filesize
64KB

Download
memory/456-138-0x0000000003050000-0x0000000003060000-memory.dmp

Filesize
64KB

Download
memory/456-135-0x0000000005680000-0x0000000005712000-memory.dmp

Filesize
584KB

Download
memory/456-134-0x0000000005D70000-0x0000000006314000-memory.dmp

Filesize
5.6MB

Download
memory/456-133-0x0000000000B90000-0x0000000000C26000-memory.dmp

Filesize
600KB

Download
memory/1188-188-0x0000000005A50000-0x0000000005A60000-memory.dmp

Filesize
64KB

Download
memory/1188-146-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1188-182-0x0000000006A40000-0x0000000006C02000-memory.dmp

Filesize
1.8MB

Download
memory/1188-157-0x0000000005A50000-0x0000000005A60000-memory.dmp

Filesize
64KB

Download
memory/4960-162-0x00000000027C0000-0x00000000027D0000-memory.dmp

Filesize
64KB

Download
memory/4960-177-0x000000007FA70000-0x000000007FA80000-memory.dmp

Filesize
64KB

Download
memory/4960-150-0x0000000005880000-0x00000000058E6000-memory.dmp

Filesize
408KB

Download
memory/4960-149-0x0000000004FA0000-0x0000000004FC2000-memory.dmp

Filesize
136KB

Download
memory/4960-163-0x0000000005F70000-0x0000000005F8E000-memory.dmp

Filesize
120KB

Download
memory/4960-164-0x00000000027C0000-0x00000000027D0000-memory.dmp

Filesize
64KB

Download
memory/4960-165-0x0000000006520000-0x0000000006552000-memory.dmp

Filesize
200KB

Download
memory/4960-166-0x0000000070A90000-0x0000000070ADC000-memory.dmp

Filesize
304KB

Download
memory/4960-176-0x0000000006500000-0x000000000651E000-memory.dmp

Filesize
120KB

Download
memory/4960-156-0x00000000058F0000-0x0000000005956000-memory.dmp

Filesize
408KB

Download
memory/4960-178-0x00000000078B0000-0x0000000007F2A000-memory.dmp

Filesize
6.5MB

Download
memory/4960-179-0x0000000007270000-0x000000000728A000-memory.dmp

Filesize
104KB

Download
memory/4960-180-0x00000000072E0000-0x00000000072EA000-memory.dmp

Filesize
40KB

Download
memory/4960-181-0x00000000074F0000-0x0000000007586000-memory.dmp

Filesize
600KB

Download
memory/4960-147-0x00000000051A0000-0x00000000057C8000-memory.dmp

Filesize
6.2MB

Download
memory/4960-183-0x00000000074B0000-0x00000000074BE000-memory.dmp

Filesize
56KB

Download
memory/4960-184-0x00000000075B0000-0x00000000075CA000-memory.dmp

Filesize
104KB

Download
memory/4960-185-0x00000000075A0000-0x00000000075A8000-memory.dmp

Filesize
32KB

Download
memory/4960-144-0x0000000002670000-0x00000000026A6000-memory.dmp

Filesize
216KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads