600de0d6adb5dda080a4a6cb2b8860d5f104fc628b9a3e34b85d3e844b15f8e4

Analysis

max time kernel
141s
max time network
125s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
19/01/2024, 09:07

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General

Target

673b038fe6b21d1d4e69029e6837037f.exe
Size

448KB
MD5

673b038fe6b21d1d4e69029e6837037f
SHA1

818b11ba12f8ea007a2d740b44ed09db8ea539d7
SHA256

600de0d6adb5dda080a4a6cb2b8860d5f104fc628b9a3e34b85d3e844b15f8e4
SHA512

4a8f4af37f97349fe524afabdd7e0598b25ab72f97e4b190474a211e069da23536a27fd4a27d4fb01c86cc7217b578383d6f6556b4037cc9461df908c4384fc3
SSDEEP

12288:ilQRH00qY1mOKouCzFMHVui7gBcszKAANbGV:pHyY1mhr7QcsZCb0

Score

8^/10

evasion persistence upx

Malware Config

Signatures

Disables Task Manager via registry modification
evasion

Executes dropped EXE 1 IoCs

pid	Process
2660	uiCFgiloyP.exe

Loads dropped DLL 2 IoCs

pid	Process
616	673b038fe6b21d1d4e69029e6837037f.exe
616	673b038fe6b21d1d4e69029e6837037f.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/616-3-0x0000000000600000-0x0000000000675000-memory.dmp	upx
behavioral1/memory/2660-15-0x0000000000600000-0x0000000000675000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Windows\CurrentVersion\Run\uiCFgiloyP = "C:\\ProgramData\\uiCFgiloyP.exe"	673b038fe6b21d1d4e69029e6837037f.exe

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

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\Download	673b038fe6b21d1d4e69029e6837037f.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\Download\CheckExeSignatures = "no"	673b038fe6b21d1d4e69029e6837037f.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
616	673b038fe6b21d1d4e69029e6837037f.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 616 wrote to memory of 2660	616	673b038fe6b21d1d4e69029e6837037f.exe	28
PID 616 wrote to memory of 2660	616	673b038fe6b21d1d4e69029e6837037f.exe	28
PID 616 wrote to memory of 2660	616	673b038fe6b21d1d4e69029e6837037f.exe	28
PID 616 wrote to memory of 2660	616	673b038fe6b21d1d4e69029e6837037f.exe	28

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System	673b038fe6b21d1d4e69029e6837037f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableTaskMgr = "1"	673b038fe6b21d1d4e69029e6837037f.exe

C:\Users\Admin\AppData\Local\Temp\673b038fe6b21d1d4e69029e6837037f.exe
"C:\Users\Admin\AppData\Local\Temp\673b038fe6b21d1d4e69029e6837037f.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Modifies Internet Explorer settings
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
- System policy modification
PID:616
- C:\ProgramData\uiCFgiloyP.exe
  "C:\ProgramData\uiCFgiloyP.exe"
  2⤵
  - Executes dropped EXE
  PID:2660

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\ProgramData\uiCFgiloyP.exe

Filesize
448KB

MD5
673b038fe6b21d1d4e69029e6837037f

SHA1
818b11ba12f8ea007a2d740b44ed09db8ea539d7

SHA256
600de0d6adb5dda080a4a6cb2b8860d5f104fc628b9a3e34b85d3e844b15f8e4

SHA512
4a8f4af37f97349fe524afabdd7e0598b25ab72f97e4b190474a211e069da23536a27fd4a27d4fb01c86cc7217b578383d6f6556b4037cc9461df908c4384fc3

Download Submit
memory/616-1-0x0000000000600000-0x0000000000675000-memory.dmp

Filesize
468KB

Download
memory/616-0-0x0000000000570000-0x00000000005CF000-memory.dmp

Filesize
380KB

Download
memory/616-3-0x0000000000600000-0x0000000000675000-memory.dmp

Filesize
468KB

Download
memory/616-12-0x0000000000570000-0x00000000005CF000-memory.dmp

Filesize
380KB

Download
memory/2660-15-0x0000000000600000-0x0000000000675000-memory.dmp

Filesize
468KB

Download
memory/2660-14-0x0000000001D50000-0x0000000001DAF000-memory.dmp

Filesize
380KB

Download
memory/2660-17-0x0000000001D50000-0x0000000001DAF000-memory.dmp

Filesize
380KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads