c935430c9e6907a6d9f527b9bca3562ffe19e9a7e827f7d79ccf7c09ae9010fa

General

Target

c935430c9e6907a6d9f527b9bca3562ffe19e9a7e827f7d79ccf7c09ae9010fa.exe
Size

280KB
MD5

530d48fdf674b232be66f727bdcd5fa8
SHA1

52c93089d1d4e26f81063ec05543c8b85b4b6bb3
SHA256

c935430c9e6907a6d9f527b9bca3562ffe19e9a7e827f7d79ccf7c09ae9010fa
SHA512

410bf9d53b2ddd9209e4371341e5aa8bf69751e53611ef3ad30ec8a338e74f63fa140888a45f9ebfff0ec533f79e8e61a9c87b7588e6be445e539f752f342b58
SSDEEP

3072:DkW/v+/mkT/Ozb1/7Vc1tdjZQQLnQhhyBZ8Irfdaqebssot7rFVtWzdbcTfBX:DP2mK2bVMJuQ0hhynfdaJqNrtWzCd

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:

c935430c9e6907a6d9f527b9bca3562ffe19e9a7e827f7d79ccf7c09ae9010fa.exefoifeu.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	c935430c9e6907a6d9f527b9bca3562ffe19e9a7e827f7d79ccf7c09ae9010fa.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	foifeu.exe

Executes dropped EXE 1 IoCs

Processes:

foifeu.exe

pid process

3192 foifeu.exe

pid	process
3192	foifeu.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:

c935430c9e6907a6d9f527b9bca3562ffe19e9a7e827f7d79ccf7c09ae9010fa.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	c935430c9e6907a6d9f527b9bca3562ffe19e9a7e827f7d79ccf7c09ae9010fa.exe

Adds Run key to start application 2 TTPs 54 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

foifeu.exec935430c9e6907a6d9f527b9bca3562ffe19e9a7e827f7d79ccf7c09ae9010fa.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foifeu = "C:\\Users\\Admin\\foifeu.exe /V"	foifeu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foifeu = "C:\\Users\\Admin\\foifeu.exe /n"	foifeu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foifeu = "C:\\Users\\Admin\\foifeu.exe /G"	foifeu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foifeu = "C:\\Users\\Admin\\foifeu.exe /d"	foifeu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foifeu = "C:\\Users\\Admin\\foifeu.exe /O"	foifeu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foifeu = "C:\\Users\\Admin\\foifeu.exe /D"	foifeu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foifeu = "C:\\Users\\Admin\\foifeu.exe /c"	foifeu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foifeu = "C:\\Users\\Admin\\foifeu.exe /M"	foifeu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foifeu = "C:\\Users\\Admin\\foifeu.exe /W"	foifeu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foifeu = "C:\\Users\\Admin\\foifeu.exe /X"	foifeu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foifeu = "C:\\Users\\Admin\\foifeu.exe /g"	foifeu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foifeu = "C:\\Users\\Admin\\foifeu.exe /z"	foifeu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foifeu = "C:\\Users\\Admin\\foifeu.exe /m"	foifeu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foifeu = "C:\\Users\\Admin\\foifeu.exe /s"	foifeu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foifeu = "C:\\Users\\Admin\\foifeu.exe /t"	foifeu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foifeu = "C:\\Users\\Admin\\foifeu.exe /Q"	foifeu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foifeu = "C:\\Users\\Admin\\foifeu.exe /H"	foifeu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foifeu = "C:\\Users\\Admin\\foifeu.exe /i"	foifeu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foifeu = "C:\\Users\\Admin\\foifeu.exe /u"	foifeu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foifeu = "C:\\Users\\Admin\\foifeu.exe /Z"	foifeu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foifeu = "C:\\Users\\Admin\\foifeu.exe /U"	foifeu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foifeu = "C:\\Users\\Admin\\foifeu.exe /r"	foifeu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foifeu = "C:\\Users\\Admin\\foifeu.exe /w"	foifeu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foifeu = "C:\\Users\\Admin\\foifeu.exe /b"	foifeu.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\	c935430c9e6907a6d9f527b9bca3562ffe19e9a7e827f7d79ccf7c09ae9010fa.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foifeu = "C:\\Users\\Admin\\foifeu.exe /a"	foifeu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foifeu = "C:\\Users\\Admin\\foifeu.exe /I"	foifeu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foifeu = "C:\\Users\\Admin\\foifeu.exe /l"	foifeu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foifeu = "C:\\Users\\Admin\\foifeu.exe /K"	foifeu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foifeu = "C:\\Users\\Admin\\foifeu.exe /T"	foifeu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foifeu = "C:\\Users\\Admin\\foifeu.exe /A"	foifeu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foifeu = "C:\\Users\\Admin\\foifeu.exe /N"	foifeu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foifeu = "C:\\Users\\Admin\\foifeu.exe /q"	foifeu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foifeu = "C:\\Users\\Admin\\foifeu.exe /Y"	foifeu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foifeu = "C:\\Users\\Admin\\foifeu.exe /R"	foifeu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foifeu = "C:\\Users\\Admin\\foifeu.exe /B"	foifeu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foifeu = "C:\\Users\\Admin\\foifeu.exe /e"	foifeu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foifeu = "C:\\Users\\Admin\\foifeu.exe /y"	foifeu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foifeu = "C:\\Users\\Admin\\foifeu.exe /C"	c935430c9e6907a6d9f527b9bca3562ffe19e9a7e827f7d79ccf7c09ae9010fa.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\	foifeu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foifeu = "C:\\Users\\Admin\\foifeu.exe /x"	foifeu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foifeu = "C:\\Users\\Admin\\foifeu.exe /S"	foifeu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foifeu = "C:\\Users\\Admin\\foifeu.exe /L"	foifeu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foifeu = "C:\\Users\\Admin\\foifeu.exe /P"	foifeu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foifeu = "C:\\Users\\Admin\\foifeu.exe /h"	foifeu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foifeu = "C:\\Users\\Admin\\foifeu.exe /J"	foifeu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foifeu = "C:\\Users\\Admin\\foifeu.exe /o"	foifeu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foifeu = "C:\\Users\\Admin\\foifeu.exe /v"	foifeu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foifeu = "C:\\Users\\Admin\\foifeu.exe /F"	foifeu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foifeu = "C:\\Users\\Admin\\foifeu.exe /k"	foifeu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foifeu = "C:\\Users\\Admin\\foifeu.exe /C"	foifeu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foifeu = "C:\\Users\\Admin\\foifeu.exe /j"	foifeu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foifeu = "C:\\Users\\Admin\\foifeu.exe /E"	foifeu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\foifeu = "C:\\Users\\Admin\\foifeu.exe /p"	foifeu.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:

c935430c9e6907a6d9f527b9bca3562ffe19e9a7e827f7d79ccf7c09ae9010fa.exefoifeu.exe

pid	process
4788	c935430c9e6907a6d9f527b9bca3562ffe19e9a7e827f7d79ccf7c09ae9010fa.exe
4788	c935430c9e6907a6d9f527b9bca3562ffe19e9a7e827f7d79ccf7c09ae9010fa.exe
3192	foifeu.exe
3192	foifeu.exe
3192	foifeu.exe
3192	foifeu.exe
3192	foifeu.exe
3192	foifeu.exe
3192	foifeu.exe
3192	foifeu.exe
3192	foifeu.exe
3192	foifeu.exe
3192	foifeu.exe
3192	foifeu.exe
3192	foifeu.exe
3192	foifeu.exe
3192	foifeu.exe
3192	foifeu.exe
3192	foifeu.exe
3192	foifeu.exe
3192	foifeu.exe
3192	foifeu.exe
3192	foifeu.exe
3192	foifeu.exe
3192	foifeu.exe
3192	foifeu.exe
3192	foifeu.exe
3192	foifeu.exe
3192	foifeu.exe
3192	foifeu.exe
3192	foifeu.exe
3192	foifeu.exe
3192	foifeu.exe
3192	foifeu.exe
3192	foifeu.exe
3192	foifeu.exe
3192	foifeu.exe
3192	foifeu.exe
3192	foifeu.exe
3192	foifeu.exe
3192	foifeu.exe
3192	foifeu.exe
3192	foifeu.exe
3192	foifeu.exe
3192	foifeu.exe
3192	foifeu.exe
3192	foifeu.exe
3192	foifeu.exe
3192	foifeu.exe
3192	foifeu.exe
3192	foifeu.exe
3192	foifeu.exe
3192	foifeu.exe
3192	foifeu.exe
3192	foifeu.exe
3192	foifeu.exe
3192	foifeu.exe
3192	foifeu.exe
3192	foifeu.exe
3192	foifeu.exe
3192	foifeu.exe
3192	foifeu.exe
3192	foifeu.exe
3192	foifeu.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

c935430c9e6907a6d9f527b9bca3562ffe19e9a7e827f7d79ccf7c09ae9010fa.exefoifeu.exe

pid process

4788 c935430c9e6907a6d9f527b9bca3562ffe19e9a7e827f7d79ccf7c09ae9010fa.exe
3192 foifeu.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

c935430c9e6907a6d9f527b9bca3562ffe19e9a7e827f7d79ccf7c09ae9010fa.exe

description	pid	process	target process
PID 4788 wrote to memory of 3192	4788	c935430c9e6907a6d9f527b9bca3562ffe19e9a7e827f7d79ccf7c09ae9010fa.exe	foifeu.exe
PID 4788 wrote to memory of 3192	4788	c935430c9e6907a6d9f527b9bca3562ffe19e9a7e827f7d79ccf7c09ae9010fa.exe	foifeu.exe
PID 4788 wrote to memory of 3192	4788	c935430c9e6907a6d9f527b9bca3562ffe19e9a7e827f7d79ccf7c09ae9010fa.exe	foifeu.exe

C:\Users\Admin\AppData\Local\Temp\c935430c9e6907a6d9f527b9bca3562ffe19e9a7e827f7d79ccf7c09ae9010fa.exe
"C:\Users\Admin\AppData\Local\Temp\c935430c9e6907a6d9f527b9bca3562ffe19e9a7e827f7d79ccf7c09ae9010fa.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:4788

C:\Users\Admin\foifeu.exe
"C:\Users\Admin\foifeu.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:3192

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\foifeu.exe

Filesize
280KB

MD5
b4080da58d4c57c485c40b51dac469f6

SHA1
94a5039352afad5ac5851fd3772f69e03b5b373b

SHA256
5e7dba4d33cc8511bc519dcaf966a2e69f613096af2dbde44d142d1461dd0685

SHA512
6218cbd28bfed0d80d4cde97310303f37cfc78877b0cd1528b1dda37d829831db99e9ec00ce06fbeaeb8baf09c3e931cfe9552f264c933a2686fe0b54d76e436

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

Filesize
280KB

MD5
b4080da58d4c57c485c40b51dac469f6

SHA1
94a5039352afad5ac5851fd3772f69e03b5b373b

SHA256
5e7dba4d33cc8511bc519dcaf966a2e69f613096af2dbde44d142d1461dd0685

SHA512
6218cbd28bfed0d80d4cde97310303f37cfc78877b0cd1528b1dda37d829831db99e9ec00ce06fbeaeb8baf09c3e931cfe9552f264c933a2686fe0b54d76e436

Download Submit
memory/3192-134-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads