snakekeylogger | bf627f5a302ee1d209cdf256611c9086d2fc87b5ba42cd20704ba90d64555d2a

General

Target

PROFORMA INVOICE.scr
Size

22KB
MD5

4480e5c41df955746e6b762828e64ddb
SHA1

75fd2876572e72da98a99065152c338f935d722f
SHA256

98bba6280dc438b35e3d0a4f468d1e50dd44bdafdd3e8c396a6dacf6be50fd71
SHA512

92db76915c468ab2e3a1185b3ee5a0d8849bfb623e5bfdf0fa128a002b16e768097b9440c905a4cb38b70aee9b36c21ce2db57f150f93fc5845ff5f667957a41

Score

10^/10

snakekeylogger evasion keylogger stealer trojan

Malware Config

Signatures

Modifies Windows Defender Real-time Protection settings 3 TTPs
evasion trojan

Modify Registry
T1112

Modify Existing Service
T1031

Disabling Security Tools
T1089
Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
stealer keylogger snakekeylogger

Snake Keylogger Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1180-26-0x0000000000400000-0x000000000046A000-memory.dmp	family_snakekeylogger
behavioral1/memory/1180-27-0x000000000046467E-mapping.dmp	family_snakekeylogger
behavioral1/memory/1180-31-0x0000000000400000-0x000000000046A000-memory.dmp	family_snakekeylogger

Windows security bypass 2 TTPs
evasion trojan

Disabling Security Tools
T1089

Modify Registry
T1112

Nirsoft 7 IoCs

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\8835c316-4d5b-4bfc-ae00-e832d499b05c\AdvancedRun.exe	Nirsoft
\Users\Admin\AppData\Local\Temp\8835c316-4d5b-4bfc-ae00-e832d499b05c\AdvancedRun.exe	Nirsoft
C:\Users\Admin\AppData\Local\Temp\8835c316-4d5b-4bfc-ae00-e832d499b05c\AdvancedRun.exe	Nirsoft
C:\Users\Admin\AppData\Local\Temp\8835c316-4d5b-4bfc-ae00-e832d499b05c\AdvancedRun.exe	Nirsoft
\Users\Admin\AppData\Local\Temp\8835c316-4d5b-4bfc-ae00-e832d499b05c\AdvancedRun.exe	Nirsoft
\Users\Admin\AppData\Local\Temp\8835c316-4d5b-4bfc-ae00-e832d499b05c\AdvancedRun.exe	Nirsoft
C:\Users\Admin\AppData\Local\Temp\8835c316-4d5b-4bfc-ae00-e832d499b05c\AdvancedRun.exe	Nirsoft

Executes dropped EXE 2 IoCs

Processes:

AdvancedRun.exeAdvancedRun.exe

pid process

1844 AdvancedRun.exe
572 AdvancedRun.exe
Loads dropped DLL 4 IoCs

Processes:

PROFORMA INVOICE.scrAdvancedRun.exe

pid process

1908 PROFORMA INVOICE.scr
1908 PROFORMA INVOICE.scr
1844 AdvancedRun.exe
1844 AdvancedRun.exe

Windows security modification 2 TTPs 8 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

PROFORMA INVOICE.scr

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Exclusions\Paths	PROFORMA INVOICE.scr
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Exclusions	PROFORMA INVOICE.scr
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\PROFORMA INVOICE.scr = "0"	PROFORMA INVOICE.scr
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Real-Time Protection	PROFORMA INVOICE.scr
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	PROFORMA INVOICE.scr
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Spynet\SubmitSamplesConsent = "0"	PROFORMA INVOICE.scr
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features	PROFORMA INVOICE.scr
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	PROFORMA INVOICE.scr

Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

8 checkip.dyndns.org
13 freegeoip.app
14 freegeoip.app

flow	ioc
8	checkip.dyndns.org
13	freegeoip.app
14	freegeoip.app

Suspicious use of NtSetInformationThreadHideFromDebugger 12 IoCs

Processes:

PROFORMA INVOICE.scr

pid	process
1908	PROFORMA INVOICE.scr
1908	PROFORMA INVOICE.scr
1908	PROFORMA INVOICE.scr
1908	PROFORMA INVOICE.scr
1908	PROFORMA INVOICE.scr
1908	PROFORMA INVOICE.scr
1908	PROFORMA INVOICE.scr
1908	PROFORMA INVOICE.scr
1908	PROFORMA INVOICE.scr
1908	PROFORMA INVOICE.scr
1908	PROFORMA INVOICE.scr
1908	PROFORMA INVOICE.scr

Suspicious use of SetThreadContext 1 IoCs

Processes:

PROFORMA INVOICE.scr

description pid process target process

PID 1908 set thread context of 1180 1908 PROFORMA INVOICE.scr regsvcs.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

1544 timeout.exe

description	pid	process	target process
PID 1908 set thread context of 1180	1908	PROFORMA INVOICE.scr	regsvcs.exe

pid	process
1544	timeout.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

AdvancedRun.exeAdvancedRun.exepowershell.exePROFORMA INVOICE.scrregsvcs.exe

pid	process
1844	AdvancedRun.exe
1844	AdvancedRun.exe
572	AdvancedRun.exe
572	AdvancedRun.exe
908	powershell.exe
1908	PROFORMA INVOICE.scr
908	powershell.exe
1908	PROFORMA INVOICE.scr
1908	PROFORMA INVOICE.scr
1908	PROFORMA INVOICE.scr
1908	PROFORMA INVOICE.scr
1908	PROFORMA INVOICE.scr
1908	PROFORMA INVOICE.scr
1180	regsvcs.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

Processes:

PROFORMA INVOICE.scrAdvancedRun.exeAdvancedRun.exepowershell.exeregsvcs.exe

description	pid	process
Token: SeDebugPrivilege	1908	PROFORMA INVOICE.scr
Token: SeDebugPrivilege	1844	AdvancedRun.exe
Token: SeImpersonatePrivilege	1844	AdvancedRun.exe
Token: SeDebugPrivilege	572	AdvancedRun.exe
Token: SeImpersonatePrivilege	572	AdvancedRun.exe
Token: SeDebugPrivilege	908	powershell.exe
Token: SeDebugPrivilege	1180	regsvcs.exe

Suspicious use of WriteProcessMemory 46 IoCs

Processes:

PROFORMA INVOICE.scrAdvancedRun.execmd.exe

description	pid	process	target process
PID 1908 wrote to memory of 1844	1908	PROFORMA INVOICE.scr	AdvancedRun.exe
PID 1908 wrote to memory of 1844	1908	PROFORMA INVOICE.scr	AdvancedRun.exe
PID 1908 wrote to memory of 1844	1908	PROFORMA INVOICE.scr	AdvancedRun.exe
PID 1908 wrote to memory of 1844	1908	PROFORMA INVOICE.scr	AdvancedRun.exe
PID 1844 wrote to memory of 572	1844	AdvancedRun.exe	AdvancedRun.exe
PID 1844 wrote to memory of 572	1844	AdvancedRun.exe	AdvancedRun.exe
PID 1844 wrote to memory of 572	1844	AdvancedRun.exe	AdvancedRun.exe
PID 1844 wrote to memory of 572	1844	AdvancedRun.exe	AdvancedRun.exe
PID 1908 wrote to memory of 908	1908	PROFORMA INVOICE.scr	powershell.exe
PID 1908 wrote to memory of 908	1908	PROFORMA INVOICE.scr	powershell.exe
PID 1908 wrote to memory of 908	1908	PROFORMA INVOICE.scr	powershell.exe
PID 1908 wrote to memory of 908	1908	PROFORMA INVOICE.scr	powershell.exe
PID 1908 wrote to memory of 320	1908	PROFORMA INVOICE.scr	cmd.exe
PID 1908 wrote to memory of 320	1908	PROFORMA INVOICE.scr	cmd.exe
PID 1908 wrote to memory of 320	1908	PROFORMA INVOICE.scr	cmd.exe
PID 1908 wrote to memory of 320	1908	PROFORMA INVOICE.scr	cmd.exe
PID 320 wrote to memory of 1544	320	cmd.exe	timeout.exe
PID 320 wrote to memory of 1544	320	cmd.exe	timeout.exe
PID 320 wrote to memory of 1544	320	cmd.exe	timeout.exe
PID 320 wrote to memory of 1544	320	cmd.exe	timeout.exe
PID 1908 wrote to memory of 1748	1908	PROFORMA INVOICE.scr	regsvcs.exe
PID 1908 wrote to memory of 1748	1908	PROFORMA INVOICE.scr	regsvcs.exe
PID 1908 wrote to memory of 1748	1908	PROFORMA INVOICE.scr	regsvcs.exe
PID 1908 wrote to memory of 1748	1908	PROFORMA INVOICE.scr	regsvcs.exe
PID 1908 wrote to memory of 1748	1908	PROFORMA INVOICE.scr	regsvcs.exe
PID 1908 wrote to memory of 1748	1908	PROFORMA INVOICE.scr	regsvcs.exe
PID 1908 wrote to memory of 1748	1908	PROFORMA INVOICE.scr	regsvcs.exe
PID 1908 wrote to memory of 668	1908	PROFORMA INVOICE.scr	regsvcs.exe
PID 1908 wrote to memory of 668	1908	PROFORMA INVOICE.scr	regsvcs.exe
PID 1908 wrote to memory of 668	1908	PROFORMA INVOICE.scr	regsvcs.exe
PID 1908 wrote to memory of 668	1908	PROFORMA INVOICE.scr	regsvcs.exe
PID 1908 wrote to memory of 668	1908	PROFORMA INVOICE.scr	regsvcs.exe
PID 1908 wrote to memory of 668	1908	PROFORMA INVOICE.scr	regsvcs.exe
PID 1908 wrote to memory of 668	1908	PROFORMA INVOICE.scr	regsvcs.exe
PID 1908 wrote to memory of 1180	1908	PROFORMA INVOICE.scr	regsvcs.exe
PID 1908 wrote to memory of 1180	1908	PROFORMA INVOICE.scr	regsvcs.exe
PID 1908 wrote to memory of 1180	1908	PROFORMA INVOICE.scr	regsvcs.exe
PID 1908 wrote to memory of 1180	1908	PROFORMA INVOICE.scr	regsvcs.exe
PID 1908 wrote to memory of 1180	1908	PROFORMA INVOICE.scr	regsvcs.exe
PID 1908 wrote to memory of 1180	1908	PROFORMA INVOICE.scr	regsvcs.exe
PID 1908 wrote to memory of 1180	1908	PROFORMA INVOICE.scr	regsvcs.exe
PID 1908 wrote to memory of 1180	1908	PROFORMA INVOICE.scr	regsvcs.exe
PID 1908 wrote to memory of 1180	1908	PROFORMA INVOICE.scr	regsvcs.exe
PID 1908 wrote to memory of 1180	1908	PROFORMA INVOICE.scr	regsvcs.exe
PID 1908 wrote to memory of 1180	1908	PROFORMA INVOICE.scr	regsvcs.exe
PID 1908 wrote to memory of 1180	1908	PROFORMA INVOICE.scr	regsvcs.exe

C:\Users\Admin\AppData\Local\Temp\PROFORMA INVOICE.scr
"C:\Users\Admin\AppData\Local\Temp\PROFORMA INVOICE.scr" /S
1⤵
- Loads dropped DLL
- Windows security modification
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1908

C:\Users\Admin\AppData\Local\Temp\8835c316-4d5b-4bfc-ae00-e832d499b05c\AdvancedRun.exe
"C:\Users\Admin\AppData\Local\Temp\8835c316-4d5b-4bfc-ae00-e832d499b05c\AdvancedRun.exe" /EXEFilename "C:\Users\Admin\AppData\Local\Temp\8835c316-4d5b-4bfc-ae00-e832d499b05c\test.bat" /WindowState ""0"" /PriorityClass ""32"" /CommandLine "" /StartDirectory "" /RunAs 8 /Run
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1844

C:\Users\Admin\AppData\Local\Temp\8835c316-4d5b-4bfc-ae00-e832d499b05c\AdvancedRun.exe
"C:\Users\Admin\AppData\Local\Temp\8835c316-4d5b-4bfc-ae00-e832d499b05c\AdvancedRun.exe" /SpecialRun 4101d8 1844
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:572

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\PROFORMA INVOICE.scr" -Force
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:908

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout 1
2⤵
- Suspicious use of WriteProcessMemory
PID:320

C:\Windows\SysWOW64\timeout.exe
timeout 1
3⤵
- Delays execution with timeout.exe
PID:1544

C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe"
2⤵
PID:1748

C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe"
2⤵
PID:668

C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1180

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Privilege Escalation

Defense Evasion

Modify Registry

3

T1112

Disabling Security Tools

3

T1089

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\8835c316-4d5b-4bfc-ae00-e832d499b05c\AdvancedRun.exe
MD5
17fc12902f4769af3a9271eb4e2dacce

SHA1
9a4a1581cc3971579574f837e110f3bd6d529dab

SHA256
29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

SHA512
036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

Download Submit
C:\Users\Admin\AppData\Local\Temp\8835c316-4d5b-4bfc-ae00-e832d499b05c\AdvancedRun.exe
MD5
17fc12902f4769af3a9271eb4e2dacce

SHA1
9a4a1581cc3971579574f837e110f3bd6d529dab

SHA256
29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

SHA512
036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

Download Submit
C:\Users\Admin\AppData\Local\Temp\8835c316-4d5b-4bfc-ae00-e832d499b05c\AdvancedRun.exe
MD5
17fc12902f4769af3a9271eb4e2dacce

SHA1
9a4a1581cc3971579574f837e110f3bd6d529dab

SHA256
29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

SHA512
036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

Download Submit
\Users\Admin\AppData\Local\Temp\8835c316-4d5b-4bfc-ae00-e832d499b05c\AdvancedRun.exe
MD5
17fc12902f4769af3a9271eb4e2dacce

SHA1
9a4a1581cc3971579574f837e110f3bd6d529dab

SHA256
29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

SHA512
036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

Download Submit
\Users\Admin\AppData\Local\Temp\8835c316-4d5b-4bfc-ae00-e832d499b05c\AdvancedRun.exe
MD5
17fc12902f4769af3a9271eb4e2dacce

SHA1
9a4a1581cc3971579574f837e110f3bd6d529dab

SHA256
29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

SHA512
036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

Download Submit
\Users\Admin\AppData\Local\Temp\8835c316-4d5b-4bfc-ae00-e832d499b05c\AdvancedRun.exe
MD5
17fc12902f4769af3a9271eb4e2dacce

SHA1
9a4a1581cc3971579574f837e110f3bd6d529dab

SHA256
29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

SHA512
036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

Download Submit
\Users\Admin\AppData\Local\Temp\8835c316-4d5b-4bfc-ae00-e832d499b05c\AdvancedRun.exe
MD5
17fc12902f4769af3a9271eb4e2dacce

SHA1
9a4a1581cc3971579574f837e110f3bd6d529dab

SHA256
29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

SHA512
036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

Download Submit
memory/320-20-0x0000000000000000-mapping.dmp

Download
memory/572-15-0x0000000000000000-mapping.dmp

Download
memory/908-23-0x0000000000EA0000-0x0000000000EA1000-memory.dmp

Filesize
4KB

Download
memory/908-50-0x0000000006240000-0x0000000006241000-memory.dmp

Filesize
4KB

Download
memory/908-67-0x0000000006310000-0x0000000006311000-memory.dmp

Filesize
4KB

Download
memory/908-66-0x0000000006300000-0x0000000006301000-memory.dmp

Filesize
4KB

Download
memory/908-58-0x000000007EF30000-0x000000007EF31000-memory.dmp

Filesize
4KB

Download
memory/908-18-0x0000000000000000-mapping.dmp

Download
memory/908-51-0x00000000055D0000-0x00000000055D1000-memory.dmp

Filesize
4KB

Download
memory/908-33-0x0000000005280000-0x0000000005281000-memory.dmp

Filesize
4KB

Download
memory/908-22-0x00000000745B0000-0x0000000074C9E000-memory.dmp

Filesize
6.9MB

Download
memory/908-43-0x00000000060F0000-0x00000000060F1000-memory.dmp

Filesize
4KB

Download
memory/908-24-0x0000000004810000-0x0000000004811000-memory.dmp

Filesize
4KB

Download
memory/908-25-0x00000000011D0000-0x00000000011D1000-memory.dmp

Filesize
4KB

Download
memory/908-42-0x00000000056F0000-0x00000000056F1000-memory.dmp

Filesize
4KB

Download
memory/908-37-0x0000000005690000-0x0000000005691000-memory.dmp

Filesize
4KB

Download
memory/908-28-0x0000000001340000-0x0000000001341000-memory.dmp

Filesize
4KB

Download
memory/908-30-0x0000000001342000-0x0000000001343000-memory.dmp

Filesize
4KB

Download
memory/1180-34-0x00000000048F0000-0x00000000048F1000-memory.dmp

Filesize
4KB

Download
memory/1180-31-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/1180-29-0x00000000745B0000-0x0000000074C9E000-memory.dmp

Filesize
6.9MB

Download
memory/1180-27-0x000000000046467E-mapping.dmp

Download
memory/1180-26-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/1544-21-0x0000000000000000-mapping.dmp

Download
memory/1844-11-0x0000000076271000-0x0000000076273000-memory.dmp

Filesize
8KB

Download
memory/1844-9-0x0000000000000000-mapping.dmp

Download
memory/1908-2-0x00000000745B0000-0x0000000074C9E000-memory.dmp

Filesize
6.9MB

Download
memory/1908-3-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/1908-5-0x0000000001F20000-0x0000000001F21000-memory.dmp

Filesize
4KB

Download
memory/1908-6-0x0000000005560000-0x000000000563B000-memory.dmp

Filesize
876KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads