cf46dbf6f391bbda68ea3f1deab05c0c243965d75a5c9b264846d8b4ee522bd1

General

Target

cf46dbf6f391bbda68ea3f1deab05c0c243965d75a5c9b264846d8b4ee522bd1.exe
Size

84KB
MD5

52c6bf9e0c3eb2279b15ad1ac914c11a
SHA1

4033efecd576313ed6e54e3bf757b50dc9a53f43
SHA256

cf46dbf6f391bbda68ea3f1deab05c0c243965d75a5c9b264846d8b4ee522bd1
SHA512

6172c9e341771580a91ca23b495754521eacfb6033df4a2203c4dc577e922c7bbf0f8e2fedcc0f7ead9318f91b52189b283fbab63da9a693dcbbe59d4b126922
SSDEEP

1536:hAa4Lg7bg4htUVGLG/wXJYPUj27dTYHq13i6E:hPUVeG/wXJYa27m

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Processes:

cf46dbf6f391bbda68ea3f1deab05c0c243965d75a5c9b264846d8b4ee522bd1.exefiipei.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	cf46dbf6f391bbda68ea3f1deab05c0c243965d75a5c9b264846d8b4ee522bd1.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	fiipei.exe

Executes dropped EXE 1 IoCs

Processes:

fiipei.exe

pid process

3324 fiipei.exe

pid	process
3324	fiipei.exe

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

Processes:

cf46dbf6f391bbda68ea3f1deab05c0c243965d75a5c9b264846d8b4ee522bd1.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	cf46dbf6f391bbda68ea3f1deab05c0c243965d75a5c9b264846d8b4ee522bd1.exe

Adds Run key to start application 2 TTPs 29 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

fiipei.execf46dbf6f391bbda68ea3f1deab05c0c243965d75a5c9b264846d8b4ee522bd1.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiipei = "C:\\Users\\Admin\\fiipei.exe /t"	fiipei.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiipei = "C:\\Users\\Admin\\fiipei.exe /o"	fiipei.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiipei = "C:\\Users\\Admin\\fiipei.exe /g"	fiipei.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiipei = "C:\\Users\\Admin\\fiipei.exe /e"	fiipei.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiipei = "C:\\Users\\Admin\\fiipei.exe /v"	fiipei.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiipei = "C:\\Users\\Admin\\fiipei.exe /x"	fiipei.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiipei = "C:\\Users\\Admin\\fiipei.exe /p"	fiipei.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiipei = "C:\\Users\\Admin\\fiipei.exe /a"	fiipei.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiipei = "C:\\Users\\Admin\\fiipei.exe /b"	fiipei.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiipei = "C:\\Users\\Admin\\fiipei.exe /w"	fiipei.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiipei = "C:\\Users\\Admin\\fiipei.exe /q"	fiipei.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiipei = "C:\\Users\\Admin\\fiipei.exe /l"	fiipei.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiipei = "C:\\Users\\Admin\\fiipei.exe /d"	fiipei.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiipei = "C:\\Users\\Admin\\fiipei.exe /z"	fiipei.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiipei = "C:\\Users\\Admin\\fiipei.exe /u"	fiipei.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiipei = "C:\\Users\\Admin\\fiipei.exe /z"	cf46dbf6f391bbda68ea3f1deab05c0c243965d75a5c9b264846d8b4ee522bd1.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run\	fiipei.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiipei = "C:\\Users\\Admin\\fiipei.exe /y"	fiipei.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiipei = "C:\\Users\\Admin\\fiipei.exe /r"	fiipei.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiipei = "C:\\Users\\Admin\\fiipei.exe /c"	fiipei.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiipei = "C:\\Users\\Admin\\fiipei.exe /j"	fiipei.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiipei = "C:\\Users\\Admin\\fiipei.exe /k"	fiipei.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiipei = "C:\\Users\\Admin\\fiipei.exe /n"	fiipei.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run\	cf46dbf6f391bbda68ea3f1deab05c0c243965d75a5c9b264846d8b4ee522bd1.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiipei = "C:\\Users\\Admin\\fiipei.exe /i"	fiipei.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiipei = "C:\\Users\\Admin\\fiipei.exe /m"	fiipei.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiipei = "C:\\Users\\Admin\\fiipei.exe /s"	fiipei.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiipei = "C:\\Users\\Admin\\fiipei.exe /h"	fiipei.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fiipei = "C:\\Users\\Admin\\fiipei.exe /f"	fiipei.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

cf46dbf6f391bbda68ea3f1deab05c0c243965d75a5c9b264846d8b4ee522bd1.exefiipei.exe

pid	process
1144	cf46dbf6f391bbda68ea3f1deab05c0c243965d75a5c9b264846d8b4ee522bd1.exe
1144	cf46dbf6f391bbda68ea3f1deab05c0c243965d75a5c9b264846d8b4ee522bd1.exe
3324	fiipei.exe
3324	fiipei.exe
3324	fiipei.exe
3324	fiipei.exe
3324	fiipei.exe
3324	fiipei.exe
3324	fiipei.exe
3324	fiipei.exe
3324	fiipei.exe
3324	fiipei.exe
3324	fiipei.exe
3324	fiipei.exe
3324	fiipei.exe
3324	fiipei.exe
3324	fiipei.exe
3324	fiipei.exe
3324	fiipei.exe
3324	fiipei.exe
3324	fiipei.exe
3324	fiipei.exe
3324	fiipei.exe
3324	fiipei.exe
3324	fiipei.exe
3324	fiipei.exe
3324	fiipei.exe
3324	fiipei.exe
3324	fiipei.exe
3324	fiipei.exe
3324	fiipei.exe
3324	fiipei.exe
3324	fiipei.exe
3324	fiipei.exe
3324	fiipei.exe
3324	fiipei.exe
3324	fiipei.exe
3324	fiipei.exe
3324	fiipei.exe
3324	fiipei.exe
3324	fiipei.exe
3324	fiipei.exe
3324	fiipei.exe
3324	fiipei.exe
3324	fiipei.exe
3324	fiipei.exe
3324	fiipei.exe
3324	fiipei.exe
3324	fiipei.exe
3324	fiipei.exe
3324	fiipei.exe
3324	fiipei.exe
3324	fiipei.exe
3324	fiipei.exe
3324	fiipei.exe
3324	fiipei.exe
3324	fiipei.exe
3324	fiipei.exe
3324	fiipei.exe
3324	fiipei.exe
3324	fiipei.exe
3324	fiipei.exe
3324	fiipei.exe
3324	fiipei.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

cf46dbf6f391bbda68ea3f1deab05c0c243965d75a5c9b264846d8b4ee522bd1.exefiipei.exe

pid process

1144 cf46dbf6f391bbda68ea3f1deab05c0c243965d75a5c9b264846d8b4ee522bd1.exe
3324 fiipei.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

cf46dbf6f391bbda68ea3f1deab05c0c243965d75a5c9b264846d8b4ee522bd1.exe

description	pid	process	target process
PID 1144 wrote to memory of 3324	1144	cf46dbf6f391bbda68ea3f1deab05c0c243965d75a5c9b264846d8b4ee522bd1.exe	fiipei.exe
PID 1144 wrote to memory of 3324	1144	cf46dbf6f391bbda68ea3f1deab05c0c243965d75a5c9b264846d8b4ee522bd1.exe	fiipei.exe
PID 1144 wrote to memory of 3324	1144	cf46dbf6f391bbda68ea3f1deab05c0c243965d75a5c9b264846d8b4ee522bd1.exe	fiipei.exe

C:\Users\Admin\AppData\Local\Temp\cf46dbf6f391bbda68ea3f1deab05c0c243965d75a5c9b264846d8b4ee522bd1.exe
"C:\Users\Admin\AppData\Local\Temp\cf46dbf6f391bbda68ea3f1deab05c0c243965d75a5c9b264846d8b4ee522bd1.exe"
1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1144

C:\Users\Admin\fiipei.exe
"C:\Users\Admin\fiipei.exe"
2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:3324

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Hidden Files and Directories

1

T1158

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\fiipei.exe

Filesize
84KB

MD5
084309fd799c567eb65d687aaf574f60

SHA1
1315581403d91577b6199da527e9a31c3a9ac604

SHA256
d209f12c1edd6537a8a4ce6ce0dadbbd0e67bfa1068c1802d57c45957912eddc

SHA512
80c3be826423db64952193700a24015b82f0d815efbe5978cba04348d5e71d43e39f7ae4ee7a4258e156acacb8e793f20a8bd577d06f2efc25742505a21df481

Download Submit
C:\Users\Admin\fiipei.exe

Filesize
84KB

MD5
084309fd799c567eb65d687aaf574f60

SHA1
1315581403d91577b6199da527e9a31c3a9ac604

SHA256
d209f12c1edd6537a8a4ce6ce0dadbbd0e67bfa1068c1802d57c45957912eddc

SHA512
80c3be826423db64952193700a24015b82f0d815efbe5978cba04348d5e71d43e39f7ae4ee7a4258e156acacb8e793f20a8bd577d06f2efc25742505a21df481

Download Submit
memory/3324-134-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads