c0a1a2d60b941a64c0ee2c717f4b9e846a1fcf9f6f1f606114053c752cd9dc87

General

Target

c0a1a2d60b941a64c0ee2c717f4b9e846a1fcf9f6f1f606114053c752cd9dc87.exe
Size

268KB
MD5

536096802a53fe15d4e7adc64e4f25a0
SHA1

bb48439b18ac2fcb6d6cf1ae47266ffd64d4a86e
SHA256

c0a1a2d60b941a64c0ee2c717f4b9e846a1fcf9f6f1f606114053c752cd9dc87
SHA512

96db14613b87c75fb08807f7a9d5111e46c0f6868f8282c5d396f92a7f5ab7df4cdd79595b1eb9cdb71075f699c0c813f4f27bb3fc6f603bc27db323308dd507
SSDEEP

3072:asSQrIhZDY1zuBvLen8DlZniqBXv7yOsWvgbsmmHX0WRgs:aCMQ1qFy8xZnisyOs2THEWRj

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:

c0a1a2d60b941a64c0ee2c717f4b9e846a1fcf9f6f1f606114053c752cd9dc87.exewfjiz.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	c0a1a2d60b941a64c0ee2c717f4b9e846a1fcf9f6f1f606114053c752cd9dc87.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	wfjiz.exe

Executes dropped EXE 1 IoCs

Processes:

wfjiz.exe

pid process

5084 wfjiz.exe

pid	process
5084	wfjiz.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:

c0a1a2d60b941a64c0ee2c717f4b9e846a1fcf9f6f1f606114053c752cd9dc87.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	c0a1a2d60b941a64c0ee2c717f4b9e846a1fcf9f6f1f606114053c752cd9dc87.exe

Adds Run key to start application 2 TTPs 29 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

c0a1a2d60b941a64c0ee2c717f4b9e846a1fcf9f6f1f606114053c752cd9dc87.exewfjiz.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wfjiz = "C:\\Users\\Admin\\wfjiz.exe /s"	c0a1a2d60b941a64c0ee2c717f4b9e846a1fcf9f6f1f606114053c752cd9dc87.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wfjiz = "C:\\Users\\Admin\\wfjiz.exe /j"	wfjiz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wfjiz = "C:\\Users\\Admin\\wfjiz.exe /p"	wfjiz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wfjiz = "C:\\Users\\Admin\\wfjiz.exe /b"	wfjiz.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\	c0a1a2d60b941a64c0ee2c717f4b9e846a1fcf9f6f1f606114053c752cd9dc87.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wfjiz = "C:\\Users\\Admin\\wfjiz.exe /w"	wfjiz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wfjiz = "C:\\Users\\Admin\\wfjiz.exe /q"	wfjiz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wfjiz = "C:\\Users\\Admin\\wfjiz.exe /r"	wfjiz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wfjiz = "C:\\Users\\Admin\\wfjiz.exe /y"	wfjiz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wfjiz = "C:\\Users\\Admin\\wfjiz.exe /t"	wfjiz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wfjiz = "C:\\Users\\Admin\\wfjiz.exe /h"	wfjiz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wfjiz = "C:\\Users\\Admin\\wfjiz.exe /n"	wfjiz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wfjiz = "C:\\Users\\Admin\\wfjiz.exe /i"	wfjiz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wfjiz = "C:\\Users\\Admin\\wfjiz.exe /m"	wfjiz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wfjiz = "C:\\Users\\Admin\\wfjiz.exe /z"	wfjiz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wfjiz = "C:\\Users\\Admin\\wfjiz.exe /f"	wfjiz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wfjiz = "C:\\Users\\Admin\\wfjiz.exe /k"	wfjiz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wfjiz = "C:\\Users\\Admin\\wfjiz.exe /u"	wfjiz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wfjiz = "C:\\Users\\Admin\\wfjiz.exe /v"	wfjiz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wfjiz = "C:\\Users\\Admin\\wfjiz.exe /o"	wfjiz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wfjiz = "C:\\Users\\Admin\\wfjiz.exe /d"	wfjiz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wfjiz = "C:\\Users\\Admin\\wfjiz.exe /e"	wfjiz.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\	wfjiz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wfjiz = "C:\\Users\\Admin\\wfjiz.exe /l"	wfjiz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wfjiz = "C:\\Users\\Admin\\wfjiz.exe /s"	wfjiz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wfjiz = "C:\\Users\\Admin\\wfjiz.exe /x"	wfjiz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wfjiz = "C:\\Users\\Admin\\wfjiz.exe /c"	wfjiz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wfjiz = "C:\\Users\\Admin\\wfjiz.exe /g"	wfjiz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wfjiz = "C:\\Users\\Admin\\wfjiz.exe /a"	wfjiz.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:

c0a1a2d60b941a64c0ee2c717f4b9e846a1fcf9f6f1f606114053c752cd9dc87.exewfjiz.exe

pid	process
5048	c0a1a2d60b941a64c0ee2c717f4b9e846a1fcf9f6f1f606114053c752cd9dc87.exe
5048	c0a1a2d60b941a64c0ee2c717f4b9e846a1fcf9f6f1f606114053c752cd9dc87.exe
5084	wfjiz.exe
5084	wfjiz.exe
5084	wfjiz.exe
5084	wfjiz.exe
5084	wfjiz.exe
5084	wfjiz.exe
5084	wfjiz.exe
5084	wfjiz.exe
5084	wfjiz.exe
5084	wfjiz.exe
5084	wfjiz.exe
5084	wfjiz.exe
5084	wfjiz.exe
5084	wfjiz.exe
5084	wfjiz.exe
5084	wfjiz.exe
5084	wfjiz.exe
5084	wfjiz.exe
5084	wfjiz.exe
5084	wfjiz.exe
5084	wfjiz.exe
5084	wfjiz.exe
5084	wfjiz.exe
5084	wfjiz.exe
5084	wfjiz.exe
5084	wfjiz.exe
5084	wfjiz.exe
5084	wfjiz.exe
5084	wfjiz.exe
5084	wfjiz.exe
5084	wfjiz.exe
5084	wfjiz.exe
5084	wfjiz.exe
5084	wfjiz.exe
5084	wfjiz.exe
5084	wfjiz.exe
5084	wfjiz.exe
5084	wfjiz.exe
5084	wfjiz.exe
5084	wfjiz.exe
5084	wfjiz.exe
5084	wfjiz.exe
5084	wfjiz.exe
5084	wfjiz.exe
5084	wfjiz.exe
5084	wfjiz.exe
5084	wfjiz.exe
5084	wfjiz.exe
5084	wfjiz.exe
5084	wfjiz.exe
5084	wfjiz.exe
5084	wfjiz.exe
5084	wfjiz.exe
5084	wfjiz.exe
5084	wfjiz.exe
5084	wfjiz.exe
5084	wfjiz.exe
5084	wfjiz.exe
5084	wfjiz.exe
5084	wfjiz.exe
5084	wfjiz.exe
5084	wfjiz.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

c0a1a2d60b941a64c0ee2c717f4b9e846a1fcf9f6f1f606114053c752cd9dc87.exewfjiz.exe

pid process

5048 c0a1a2d60b941a64c0ee2c717f4b9e846a1fcf9f6f1f606114053c752cd9dc87.exe
5084 wfjiz.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

c0a1a2d60b941a64c0ee2c717f4b9e846a1fcf9f6f1f606114053c752cd9dc87.exe

description	pid	process	target process
PID 5048 wrote to memory of 5084	5048	c0a1a2d60b941a64c0ee2c717f4b9e846a1fcf9f6f1f606114053c752cd9dc87.exe	wfjiz.exe
PID 5048 wrote to memory of 5084	5048	c0a1a2d60b941a64c0ee2c717f4b9e846a1fcf9f6f1f606114053c752cd9dc87.exe	wfjiz.exe
PID 5048 wrote to memory of 5084	5048	c0a1a2d60b941a64c0ee2c717f4b9e846a1fcf9f6f1f606114053c752cd9dc87.exe	wfjiz.exe

C:\Users\Admin\AppData\Local\Temp\c0a1a2d60b941a64c0ee2c717f4b9e846a1fcf9f6f1f606114053c752cd9dc87.exe
"C:\Users\Admin\AppData\Local\Temp\c0a1a2d60b941a64c0ee2c717f4b9e846a1fcf9f6f1f606114053c752cd9dc87.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:5048

C:\Users\Admin\wfjiz.exe
"C:\Users\Admin\wfjiz.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:5084

Network

MITRE ATT&CK Matrix ATT&CK 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

1

T1158

Modify Registry

2

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\wfjiz.exe
Filesize
268KB

MD5
8149e016b953e1ae357ee1f307577ed1

SHA1
0269cf96d28cba7d3ca5d34bcf5b0d1a2256a53d

SHA256
3522e252daaa86bf961d2ed910dd4152ea53c04689ac6dc682a910b9f80c2b9f

SHA512
9f71517228fabff0c496ad4c271ca681fb983430d23a9b206b10833fb0e0ed9551599544b0f9ca1d4f04f19758bf66276cd917d4a69490519bf0c0e282a1076e

Download Submit
C:\Users\Admin\wfjiz.exe
Filesize
268KB

MD5
8149e016b953e1ae357ee1f307577ed1

SHA1
0269cf96d28cba7d3ca5d34bcf5b0d1a2256a53d

SHA256
3522e252daaa86bf961d2ed910dd4152ea53c04689ac6dc682a910b9f80c2b9f

SHA512
9f71517228fabff0c496ad4c271ca681fb983430d23a9b206b10833fb0e0ed9551599544b0f9ca1d4f04f19758bf66276cd917d4a69490519bf0c0e282a1076e

Download Submit
memory/5084-134-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads