471325daa2bc75f50856e93e9de088386556fc3ead653894d5c2a67f2a8b4975

General

Target

data.bin.exe
Size

119KB
MD5

f500854e3cf9556688203a3d869b7d6d
SHA1

281aab2eb26f31cf2255e2f5a467fc5eebda8df8
SHA256

471325daa2bc75f50856e93e9de088386556fc3ead653894d5c2a67f2a8b4975
SHA512

bccb54a68003bde3304dd6824f4bc6a3a5f06995a85bf371b1581fd00e0dc9ff40a1765594b61da9a2cbdf9c0372916a8694af2a66759a534b746981418101d4

Score

10^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

gennt.exe

pid process

316 gennt.exe
Deletes itself 1 IoCs

Processes:

gennt.exe

pid process

316 gennt.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

WerFault.exe

description pid process

Token: SeDebugPrivilege 1848 WerFault.exe
Enumerates connected drives 3 TTPs

Query Registry
T1012

Peripheral Device Discovery
T1120

System Information Discovery
T1082
Loads dropped DLL 2 IoCs

Processes:

data.bin.exe

pid process

900 data.bin.exe
900 data.bin.exe

pid	process
316	gennt.exe

pid	process
316	gennt.exe

description	pid	process
Token: SeDebugPrivilege	1848	WerFault.exe

pid	process
900	data.bin.exe
900	data.bin.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

data.bin.exegennt.exesecinit.exe

description	pid	process	target process
PID 900 wrote to memory of 316	900	data.bin.exe	gennt.exe
PID 900 wrote to memory of 316	900	data.bin.exe	gennt.exe
PID 900 wrote to memory of 316	900	data.bin.exe	gennt.exe
PID 900 wrote to memory of 316	900	data.bin.exe	gennt.exe
PID 316 wrote to memory of 1596	316	gennt.exe	secinit.exe
PID 316 wrote to memory of 1596	316	gennt.exe	secinit.exe
PID 316 wrote to memory of 1596	316	gennt.exe	secinit.exe
PID 316 wrote to memory of 1596	316	gennt.exe	secinit.exe
PID 316 wrote to memory of 1596	316	gennt.exe	secinit.exe
PID 316 wrote to memory of 1596	316	gennt.exe	secinit.exe
PID 316 wrote to memory of 1596	316	gennt.exe	secinit.exe
PID 316 wrote to memory of 1596	316	gennt.exe	secinit.exe
PID 316 wrote to memory of 1596	316	gennt.exe	secinit.exe
PID 1596 wrote to memory of 1848	1596	secinit.exe	WerFault.exe
PID 1596 wrote to memory of 1848	1596	secinit.exe	WerFault.exe
PID 1596 wrote to memory of 1848	1596	secinit.exe	WerFault.exe
PID 1596 wrote to memory of 1848	1596	secinit.exe	WerFault.exe
PID 316 wrote to memory of 1664	316	gennt.exe	cmd.exe
PID 316 wrote to memory of 1664	316	gennt.exe	cmd.exe
PID 316 wrote to memory of 1664	316	gennt.exe	cmd.exe
PID 316 wrote to memory of 1664	316	gennt.exe	cmd.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1848 1596 WerFault.exe secinit.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

WerFault.exegennt.exe

pid process

1848 WerFault.exe
1848 WerFault.exe
1848 WerFault.exe
1848 WerFault.exe
316 gennt.exe

pid	pid_target	process	target process
1848	1596	WerFault.exe	secinit.exe

pid	process
1848	WerFault.exe
1848	WerFault.exe
1848	WerFault.exe
1848	WerFault.exe
316	gennt.exe

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

gennt.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\ProgramData\\edce5d3f32661210aedc\\gennt.exe\""	gennt.exe

C:\Users\Admin\AppData\Local\Temp\data.bin.exe
"C:\Users\Admin\AppData\Local\Temp\data.bin.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:900

C:\ProgramData\edce5d3f32661210aedc\gennt.exe
C:\ProgramData\edce5d3f32661210aedc\gennt.exe "C:\Users\Admin\AppData\Local\Temp\data.bin.exe" ensgJJ
2⤵
- Executes dropped EXE
- Deletes itself
- Suspicious use of WriteProcessMemory
- Suspicious behavior: EnumeratesProcesses
- Modifies WinLogon for persistence
PID:316

C:\Windows\SysWOW64\secinit.exe
C:\ProgramData\edce5d3f32661210aedc\gennt.exe
3⤵
- Suspicious use of WriteProcessMemory
PID:1596

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1596 -s 280
4⤵
- Suspicious use of AdjustPrivilegeToken
- Program crash
- Suspicious behavior: EnumeratesProcesses
PID:1848

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" powershell.exe -Command "& {Add-MpPreference -ExclusionPath C:\ProgramData\edce5d3f32661210aedc}"
3⤵
PID:1664

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1

T1004

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\ProgramData\edce5d3f32661210aedc\gennt.exe

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C:\ProgramData\edce5d3f32661210aedc\gennt.exe

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\ProgramData\edce5d3f32661210aedc\gennt.exe

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\ProgramData\edce5d3f32661210aedc\gennt.exe

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memory/316-2-0x0000000000000000-mapping.dmp

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memory/1596-5-0x0000000000000000-mapping.dmp

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memory/1596-8-0x0000000000000000-mapping.dmp

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memory/1596-9-0x0000000000000000-mapping.dmp

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memory/1664-11-0x0000000000000000-mapping.dmp

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memory/1848-6-0x0000000000000000-mapping.dmp

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memory/1848-7-0x0000000002120000-0x0000000002131000-memory.dmp

Filesize
68KB

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memory/1848-10-0x0000000002690000-0x00000000026A1000-memory.dmp

Filesize
68KB

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