4b34073c8b982f303cad0de8fc32f906e8effe7f8fafd2df28cdd2326f554f79

General

Target

4b34073c8b982f303cad0de8fc32f906e8effe7f8fafd2df28cdd2326f554f79.exe
Size

132KB
MD5

0f2e0d1b1585c49e2669d15875ce48d0
SHA1

f3af5d3462f08861289854f12821d51da7c9b6f0
SHA256

4b34073c8b982f303cad0de8fc32f906e8effe7f8fafd2df28cdd2326f554f79
SHA512

179d180d643b00861b2d7b08cfdc0162e47795316a29cf99891835fcb9600fee89751df0f56b7cf0cd334105b3e8b77a0067afe89a54f1f7e2574997a4b59813
SSDEEP

1536:LCWrrsNQ7g7EldElyikvvEldEljgzQ59rnCW:LKxZkvuz8

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies system executable filetype association 2 TTPs 8 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1042

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt	4b34073c8b982f303cad0de8fc32f906e8effe7f8fafd2df28cdd2326f554f79.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\InfoTip = "prop:"	4b34073c8b982f303cad0de8fc32f906e8effe7f8fafd2df28cdd2326f554f79.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\TileInfo = "prop:"	4b34073c8b982f303cad0de8fc32f906e8effe7f8fafd2df28cdd2326f554f79.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\ = "\u00a0File Folder"	Qgcuuiiqfugb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt	Qgcuuiiqfugb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\InfoTip = "prop:"	Qgcuuiiqfugb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\TileInfo = "prop:"	Qgcuuiiqfugb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\ = "\u00a0File Folder"	4b34073c8b982f303cad0de8fc32f906e8effe7f8fafd2df28cdd2326f554f79.exe

Modifies visibility of file extensions in Explorer 2 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	4b34073c8b982f303cad0de8fc32f906e8effe7f8fafd2df28cdd2326f554f79.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	Qgcuuiiqfugb.exe

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

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	4b34073c8b982f303cad0de8fc32f906e8effe7f8fafd2df28cdd2326f554f79.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	Qgcuuiiqfugb.exe

Executes dropped EXE 1 IoCs

pid	Process
3080	Qgcuuiiqfugb.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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	4b34073c8b982f303cad0de8fc32f906e8effe7f8fafd2df28cdd2326f554f79.exe

Adds Run key to start application 2 TTPs 6 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows\CurrentVersion\Run	4b34073c8b982f303cad0de8fc32f906e8effe7f8fafd2df28cdd2326f554f79.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\	4b34073c8b982f303cad0de8fc32f906e8effe7f8fafd2df28cdd2326f554f79.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ = "C:\\Windows\\78576204-.exe"	4b34073c8b982f303cad0de8fc32f906e8effe7f8fafd2df28cdd2326f554f79.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows\CurrentVersion\Run	Qgcuuiiqfugb.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\	Qgcuuiiqfugb.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ = "C:\\Windows\\78576204-.exe"	Qgcuuiiqfugb.exe

Drops file in Windows directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Qgcuuiiqfugb.exe	Qgcuuiiqfugb.exe
File opened for modification	C:\Windows\78576204-.exe	Qgcuuiiqfugb.exe
File created	C:\Windows\Qgcuuiiqfugb.exe	4b34073c8b982f303cad0de8fc32f906e8effe7f8fafd2df28cdd2326f554f79.exe
File opened for modification	C:\Windows\Qgcuuiiqfugb.exe	4b34073c8b982f303cad0de8fc32f906e8effe7f8fafd2df28cdd2326f554f79.exe
File created	C:\Windows\78576204-.exe	4b34073c8b982f303cad0de8fc32f906e8effe7f8fafd2df28cdd2326f554f79.exe
File opened for modification	C:\Windows\78576204-.exe	4b34073c8b982f303cad0de8fc32f906e8effe7f8fafd2df28cdd2326f554f79.exe

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

System Information Discovery
T1082

Modifies registry class 11 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\ = "\u00a0File Folder"	4b34073c8b982f303cad0de8fc32f906e8effe7f8fafd2df28cdd2326f554f79.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\TileInfo = "prop:"	4b34073c8b982f303cad0de8fc32f906e8effe7f8fafd2df28cdd2326f554f79.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	4b34073c8b982f303cad0de8fc32f906e8effe7f8fafd2df28cdd2326f554f79.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile	Qgcuuiiqfugb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\ = "\u00a0File Folder"	Qgcuuiiqfugb.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile	4b34073c8b982f303cad0de8fc32f906e8effe7f8fafd2df28cdd2326f554f79.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt	4b34073c8b982f303cad0de8fc32f906e8effe7f8fafd2df28cdd2326f554f79.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\InfoTip = "prop:"	4b34073c8b982f303cad0de8fc32f906e8effe7f8fafd2df28cdd2326f554f79.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\NeverShowExt	Qgcuuiiqfugb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\InfoTip = "prop:"	Qgcuuiiqfugb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\TileInfo = "prop:"	Qgcuuiiqfugb.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4444	4b34073c8b982f303cad0de8fc32f906e8effe7f8fafd2df28cdd2326f554f79.exe
3080	Qgcuuiiqfugb.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4444 wrote to memory of 3080	4444	4b34073c8b982f303cad0de8fc32f906e8effe7f8fafd2df28cdd2326f554f79.exe	84
PID 4444 wrote to memory of 3080	4444	4b34073c8b982f303cad0de8fc32f906e8effe7f8fafd2df28cdd2326f554f79.exe	84
PID 4444 wrote to memory of 3080	4444	4b34073c8b982f303cad0de8fc32f906e8effe7f8fafd2df28cdd2326f554f79.exe	84

C:\Users\Admin\AppData\Local\Temp\4b34073c8b982f303cad0de8fc32f906e8effe7f8fafd2df28cdd2326f554f79.exe
"C:\Users\Admin\AppData\Local\Temp\4b34073c8b982f303cad0de8fc32f906e8effe7f8fafd2df28cdd2326f554f79.exe"
1⤵
- Modifies system executable filetype association
- Modifies visibility of file extensions in Explorer
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4444
- C:\Windows\Qgcuuiiqfugb.exe
  "C:\Windows\Qgcuuiiqfugb.exe"
  2⤵
  - Modifies system executable filetype association
  - Modifies visibility of file extensions in Explorer
  - Modifies visiblity of hidden/system files in Explorer
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Windows directory
  - Modifies registry class
  - Suspicious use of SetWindowsHookEx
  PID:3080

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Change Default File Association

1

T1042

Hidden Files and Directories

2

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

Replay Monitor

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Downloads

C:\Qgcuuiiqfugb.exe

Filesize
132KB

MD5
0f2e0d1b1585c49e2669d15875ce48d0

SHA1
f3af5d3462f08861289854f12821d51da7c9b6f0

SHA256
4b34073c8b982f303cad0de8fc32f906e8effe7f8fafd2df28cdd2326f554f79

SHA512
179d180d643b00861b2d7b08cfdc0162e47795316a29cf99891835fcb9600fee89751df0f56b7cf0cd334105b3e8b77a0067afe89a54f1f7e2574997a4b59813

Download Submit
C:\Users\Admin\Documents\ My Music.exe

Filesize
132KB

MD5
0f2e0d1b1585c49e2669d15875ce48d0

SHA1
f3af5d3462f08861289854f12821d51da7c9b6f0

SHA256
4b34073c8b982f303cad0de8fc32f906e8effe7f8fafd2df28cdd2326f554f79

SHA512
179d180d643b00861b2d7b08cfdc0162e47795316a29cf99891835fcb9600fee89751df0f56b7cf0cd334105b3e8b77a0067afe89a54f1f7e2574997a4b59813

Download Submit
C:\Users\Admin\Documents\ My Pictures.exe

Filesize
132KB

MD5
0f2e0d1b1585c49e2669d15875ce48d0

SHA1
f3af5d3462f08861289854f12821d51da7c9b6f0

SHA256
4b34073c8b982f303cad0de8fc32f906e8effe7f8fafd2df28cdd2326f554f79

SHA512
179d180d643b00861b2d7b08cfdc0162e47795316a29cf99891835fcb9600fee89751df0f56b7cf0cd334105b3e8b77a0067afe89a54f1f7e2574997a4b59813

Download Submit
C:\Users\Admin\Documents\ My Videos.exe

Filesize
132KB

MD5
0f2e0d1b1585c49e2669d15875ce48d0

SHA1
f3af5d3462f08861289854f12821d51da7c9b6f0

SHA256
4b34073c8b982f303cad0de8fc32f906e8effe7f8fafd2df28cdd2326f554f79

SHA512
179d180d643b00861b2d7b08cfdc0162e47795316a29cf99891835fcb9600fee89751df0f56b7cf0cd334105b3e8b77a0067afe89a54f1f7e2574997a4b59813

Download Submit
C:\Windows\78576204-.exe

Filesize
132KB

MD5
0f2e0d1b1585c49e2669d15875ce48d0

SHA1
f3af5d3462f08861289854f12821d51da7c9b6f0

SHA256
4b34073c8b982f303cad0de8fc32f906e8effe7f8fafd2df28cdd2326f554f79

SHA512
179d180d643b00861b2d7b08cfdc0162e47795316a29cf99891835fcb9600fee89751df0f56b7cf0cd334105b3e8b77a0067afe89a54f1f7e2574997a4b59813

Download Submit
C:\Windows\Qgcuuiiqfugb.exe

Filesize
132KB

MD5
0f2e0d1b1585c49e2669d15875ce48d0

SHA1
f3af5d3462f08861289854f12821d51da7c9b6f0

SHA256
4b34073c8b982f303cad0de8fc32f906e8effe7f8fafd2df28cdd2326f554f79

SHA512
179d180d643b00861b2d7b08cfdc0162e47795316a29cf99891835fcb9600fee89751df0f56b7cf0cd334105b3e8b77a0067afe89a54f1f7e2574997a4b59813

Download Submit
C:\Windows\Qgcuuiiqfugb.exe

Filesize
132KB

MD5
0f2e0d1b1585c49e2669d15875ce48d0

SHA1
f3af5d3462f08861289854f12821d51da7c9b6f0

SHA256
4b34073c8b982f303cad0de8fc32f906e8effe7f8fafd2df28cdd2326f554f79

SHA512
179d180d643b00861b2d7b08cfdc0162e47795316a29cf99891835fcb9600fee89751df0f56b7cf0cd334105b3e8b77a0067afe89a54f1f7e2574997a4b59813

Download Submit
memory/3080-141-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/4444-132-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/4444-138-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads