snakekeylogger | 98bba6280dc438b35e3d0a4f468d1e50dd44bdafdd3e8c396a6dacf6be50fd71

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/632-29-0x000000000046467E-mapping.dmp	family_snakekeylogger
behavioral1/memory/632-28-0x0000000000400000-0x000000000046A000-memory.dmp	family_snakekeylogger
behavioral1/memory/632-31-0x0000000000400000-0x000000000046A000-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\5d455455-203e-4596-9dc3-d1a3701e071e\AdvancedRun.exe	Nirsoft
\Users\Admin\AppData\Local\Temp\5d455455-203e-4596-9dc3-d1a3701e071e\AdvancedRun.exe	Nirsoft
C:\Users\Admin\AppData\Local\Temp\5d455455-203e-4596-9dc3-d1a3701e071e\AdvancedRun.exe	Nirsoft
C:\Users\Admin\AppData\Local\Temp\5d455455-203e-4596-9dc3-d1a3701e071e\AdvancedRun.exe	Nirsoft
\Users\Admin\AppData\Local\Temp\5d455455-203e-4596-9dc3-d1a3701e071e\AdvancedRun.exe	Nirsoft
\Users\Admin\AppData\Local\Temp\5d455455-203e-4596-9dc3-d1a3701e071e\AdvancedRun.exe	Nirsoft
C:\Users\Admin\AppData\Local\Temp\5d455455-203e-4596-9dc3-d1a3701e071e\AdvancedRun.exe	Nirsoft

Executes dropped EXE 2 IoCs

Processes:

AdvancedRun.exeAdvancedRun.exe

pid process

1624 AdvancedRun.exe
1512 AdvancedRun.exe
Loads dropped DLL 4 IoCs

Processes:

PROFORMA INVOICE.scrAdvancedRun.exe

pid process

1668 PROFORMA INVOICE.scr
1668 PROFORMA INVOICE.scr
1624 AdvancedRun.exe
1624 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
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
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

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

9 checkip.dyndns.org
14 freegeoip.app
15 freegeoip.app

flow	ioc
9	checkip.dyndns.org
14	freegeoip.app
15	freegeoip.app

Suspicious use of NtSetInformationThreadHideFromDebugger 12 IoCs

Processes:

PROFORMA INVOICE.scr

pid	process
1668	PROFORMA INVOICE.scr
1668	PROFORMA INVOICE.scr
1668	PROFORMA INVOICE.scr
1668	PROFORMA INVOICE.scr
1668	PROFORMA INVOICE.scr
1668	PROFORMA INVOICE.scr
1668	PROFORMA INVOICE.scr
1668	PROFORMA INVOICE.scr
1668	PROFORMA INVOICE.scr
1668	PROFORMA INVOICE.scr
1668	PROFORMA INVOICE.scr
1668	PROFORMA INVOICE.scr

Suspicious use of SetThreadContext 1 IoCs

Processes:

PROFORMA INVOICE.scr

description pid process target process

PID 1668 set thread context of 632 1668 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
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

340 1668 WerFault.exe PROFORMA INVOICE.scr
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

1516 timeout.exe

description	pid	process	target process
PID 1668 set thread context of 632	1668	PROFORMA INVOICE.scr	regsvcs.exe

pid	pid_target	process	target process
340	1668	WerFault.exe	PROFORMA INVOICE.scr

pid	process
1516	timeout.exe

Suspicious behavior: EnumeratesProcesses 15 IoCs

Processes:

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

pid	process
1624	AdvancedRun.exe
1624	AdvancedRun.exe
1512	AdvancedRun.exe
1512	AdvancedRun.exe
760	powershell.exe
1668	PROFORMA INVOICE.scr
1668	PROFORMA INVOICE.scr
1668	PROFORMA INVOICE.scr
632	regsvcs.exe
760	powershell.exe
340	WerFault.exe
340	WerFault.exe
340	WerFault.exe
340	WerFault.exe
340	WerFault.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

Processes:

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

description	pid	process
Token: SeDebugPrivilege	1668	PROFORMA INVOICE.scr
Token: SeDebugPrivilege	1624	AdvancedRun.exe
Token: SeImpersonatePrivilege	1624	AdvancedRun.exe
Token: SeDebugPrivilege	1512	AdvancedRun.exe
Token: SeImpersonatePrivilege	1512	AdvancedRun.exe
Token: SeDebugPrivilege	760	powershell.exe
Token: SeDebugPrivilege	632	regsvcs.exe
Token: SeDebugPrivilege	340	WerFault.exe

Suspicious use of WriteProcessMemory 36 IoCs

Processes:

PROFORMA INVOICE.scrAdvancedRun.execmd.exe

description	pid	process	target process
PID 1668 wrote to memory of 1624	1668	PROFORMA INVOICE.scr	AdvancedRun.exe
PID 1668 wrote to memory of 1624	1668	PROFORMA INVOICE.scr	AdvancedRun.exe
PID 1668 wrote to memory of 1624	1668	PROFORMA INVOICE.scr	AdvancedRun.exe
PID 1668 wrote to memory of 1624	1668	PROFORMA INVOICE.scr	AdvancedRun.exe
PID 1624 wrote to memory of 1512	1624	AdvancedRun.exe	AdvancedRun.exe
PID 1624 wrote to memory of 1512	1624	AdvancedRun.exe	AdvancedRun.exe
PID 1624 wrote to memory of 1512	1624	AdvancedRun.exe	AdvancedRun.exe
PID 1624 wrote to memory of 1512	1624	AdvancedRun.exe	AdvancedRun.exe
PID 1668 wrote to memory of 760	1668	PROFORMA INVOICE.scr	powershell.exe
PID 1668 wrote to memory of 760	1668	PROFORMA INVOICE.scr	powershell.exe
PID 1668 wrote to memory of 760	1668	PROFORMA INVOICE.scr	powershell.exe
PID 1668 wrote to memory of 760	1668	PROFORMA INVOICE.scr	powershell.exe
PID 1668 wrote to memory of 1548	1668	PROFORMA INVOICE.scr	cmd.exe
PID 1668 wrote to memory of 1548	1668	PROFORMA INVOICE.scr	cmd.exe
PID 1668 wrote to memory of 1548	1668	PROFORMA INVOICE.scr	cmd.exe
PID 1668 wrote to memory of 1548	1668	PROFORMA INVOICE.scr	cmd.exe
PID 1548 wrote to memory of 1516	1548	cmd.exe	timeout.exe
PID 1548 wrote to memory of 1516	1548	cmd.exe	timeout.exe
PID 1548 wrote to memory of 1516	1548	cmd.exe	timeout.exe
PID 1548 wrote to memory of 1516	1548	cmd.exe	timeout.exe
PID 1668 wrote to memory of 632	1668	PROFORMA INVOICE.scr	regsvcs.exe
PID 1668 wrote to memory of 632	1668	PROFORMA INVOICE.scr	regsvcs.exe
PID 1668 wrote to memory of 632	1668	PROFORMA INVOICE.scr	regsvcs.exe
PID 1668 wrote to memory of 632	1668	PROFORMA INVOICE.scr	regsvcs.exe
PID 1668 wrote to memory of 632	1668	PROFORMA INVOICE.scr	regsvcs.exe
PID 1668 wrote to memory of 632	1668	PROFORMA INVOICE.scr	regsvcs.exe
PID 1668 wrote to memory of 632	1668	PROFORMA INVOICE.scr	regsvcs.exe
PID 1668 wrote to memory of 632	1668	PROFORMA INVOICE.scr	regsvcs.exe
PID 1668 wrote to memory of 632	1668	PROFORMA INVOICE.scr	regsvcs.exe
PID 1668 wrote to memory of 632	1668	PROFORMA INVOICE.scr	regsvcs.exe
PID 1668 wrote to memory of 632	1668	PROFORMA INVOICE.scr	regsvcs.exe
PID 1668 wrote to memory of 632	1668	PROFORMA INVOICE.scr	regsvcs.exe
PID 1668 wrote to memory of 340	1668	PROFORMA INVOICE.scr	WerFault.exe
PID 1668 wrote to memory of 340	1668	PROFORMA INVOICE.scr	WerFault.exe
PID 1668 wrote to memory of 340	1668	PROFORMA INVOICE.scr	WerFault.exe
PID 1668 wrote to memory of 340	1668	PROFORMA INVOICE.scr	WerFault.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:1668

C:\Users\Admin\AppData\Local\Temp\5d455455-203e-4596-9dc3-d1a3701e071e\AdvancedRun.exe
"C:\Users\Admin\AppData\Local\Temp\5d455455-203e-4596-9dc3-d1a3701e071e\AdvancedRun.exe" /EXEFilename "C:\Users\Admin\AppData\Local\Temp\5d455455-203e-4596-9dc3-d1a3701e071e\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:1624

C:\Users\Admin\AppData\Local\Temp\5d455455-203e-4596-9dc3-d1a3701e071e\AdvancedRun.exe
"C:\Users\Admin\AppData\Local\Temp\5d455455-203e-4596-9dc3-d1a3701e071e\AdvancedRun.exe" /SpecialRun 4101d8 1624
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1512

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:760

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout 1
2⤵
- Suspicious use of WriteProcessMemory
PID:1548

C:\Windows\SysWOW64\timeout.exe
timeout 1
3⤵
- Delays execution with timeout.exe
PID:1516

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:632

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1668 -s 1440
2⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:340

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\5d455455-203e-4596-9dc3-d1a3701e071e\AdvancedRun.exe
MD5
17fc12902f4769af3a9271eb4e2dacce

SHA1
9a4a1581cc3971579574f837e110f3bd6d529dab

SHA256
29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

SHA512
036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

Download Submit
C:\Users\Admin\AppData\Local\Temp\5d455455-203e-4596-9dc3-d1a3701e071e\AdvancedRun.exe
MD5
17fc12902f4769af3a9271eb4e2dacce

SHA1
9a4a1581cc3971579574f837e110f3bd6d529dab

SHA256
29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

SHA512
036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

Download Submit
C:\Users\Admin\AppData\Local\Temp\5d455455-203e-4596-9dc3-d1a3701e071e\AdvancedRun.exe
MD5
17fc12902f4769af3a9271eb4e2dacce

SHA1
9a4a1581cc3971579574f837e110f3bd6d529dab

SHA256
29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

SHA512
036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

Download Submit
\Users\Admin\AppData\Local\Temp\5d455455-203e-4596-9dc3-d1a3701e071e\AdvancedRun.exe
MD5
17fc12902f4769af3a9271eb4e2dacce

SHA1
9a4a1581cc3971579574f837e110f3bd6d529dab

SHA256
29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

SHA512
036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

Download Submit
\Users\Admin\AppData\Local\Temp\5d455455-203e-4596-9dc3-d1a3701e071e\AdvancedRun.exe
MD5
17fc12902f4769af3a9271eb4e2dacce

SHA1
9a4a1581cc3971579574f837e110f3bd6d529dab

SHA256
29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

SHA512
036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

Download Submit
\Users\Admin\AppData\Local\Temp\5d455455-203e-4596-9dc3-d1a3701e071e\AdvancedRun.exe
MD5
17fc12902f4769af3a9271eb4e2dacce

SHA1
9a4a1581cc3971579574f837e110f3bd6d529dab

SHA256
29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

SHA512
036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

Download Submit
\Users\Admin\AppData\Local\Temp\5d455455-203e-4596-9dc3-d1a3701e071e\AdvancedRun.exe
MD5
17fc12902f4769af3a9271eb4e2dacce

SHA1
9a4a1581cc3971579574f837e110f3bd6d529dab

SHA256
29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

SHA512
036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

Download Submit
memory/340-37-0x0000000000800000-0x0000000000801000-memory.dmp

Filesize
4KB

Download
memory/340-34-0x0000000001F40000-0x0000000001F51000-memory.dmp

Filesize
68KB

Download
memory/340-33-0x0000000000000000-mapping.dmp

Download
memory/632-36-0x0000000004780000-0x0000000004781000-memory.dmp

Filesize
4KB

Download
memory/632-29-0x000000000046467E-mapping.dmp

Download
memory/632-31-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/632-30-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download
memory/632-28-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/760-23-0x0000000004860000-0x0000000004861000-memory.dmp

Filesize
4KB

Download
memory/760-46-0x0000000006170000-0x0000000006171000-memory.dmp

Filesize
4KB

Download
memory/760-70-0x00000000062D0000-0x00000000062D1000-memory.dmp

Filesize
4KB

Download
memory/760-69-0x00000000062C0000-0x00000000062C1000-memory.dmp

Filesize
4KB

Download
memory/760-55-0x00000000055D0000-0x00000000055D1000-memory.dmp

Filesize
4KB

Download
memory/760-26-0x0000000004822000-0x0000000004823000-memory.dmp

Filesize
4KB

Download
memory/760-25-0x0000000004820000-0x0000000004821000-memory.dmp

Filesize
4KB

Download
memory/760-27-0x00000000025D0000-0x00000000025D1000-memory.dmp

Filesize
4KB

Download
memory/760-20-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download
memory/760-18-0x0000000000000000-mapping.dmp

Download
memory/760-54-0x000000007EF30000-0x000000007EF31000-memory.dmp

Filesize
4KB

Download
memory/760-53-0x0000000006200000-0x0000000006201000-memory.dmp

Filesize
4KB

Download
memory/760-21-0x0000000000980000-0x0000000000981000-memory.dmp

Filesize
4KB

Download
memory/760-45-0x00000000056B0000-0x00000000056B1000-memory.dmp

Filesize
4KB

Download
memory/760-35-0x0000000004790000-0x0000000004791000-memory.dmp

Filesize
4KB

Download
memory/760-40-0x0000000005610000-0x0000000005611000-memory.dmp

Filesize
4KB

Download
memory/1512-15-0x0000000000000000-mapping.dmp

Download
memory/1516-24-0x0000000000000000-mapping.dmp

Download
memory/1548-22-0x0000000000000000-mapping.dmp

Download
memory/1624-9-0x0000000000000000-mapping.dmp

Download
memory/1624-11-0x0000000074B31000-0x0000000074B33000-memory.dmp

Filesize
8KB

Download
memory/1668-3-0x00000000000F0000-0x00000000000F1000-memory.dmp

Filesize
4KB

Download
memory/1668-2-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download
memory/1668-5-0x00000000004D0000-0x00000000004D1000-memory.dmp

Filesize
4KB

Download
memory/1668-6-0x0000000005730000-0x000000000580B000-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