162a506435a80ab3109bd2bd9f829eaf8f228220ff350dd102db11c481dfc4fc

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
22/07/2024, 23:28

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General

Target

2b4abcd116797228509c1ad692478660N.exe
Size

59KB
MD5

2b4abcd116797228509c1ad692478660
SHA1

d7c5d6a867992dec236fa4f3ef69ad8a9693a809
SHA256

162a506435a80ab3109bd2bd9f829eaf8f228220ff350dd102db11c481dfc4fc
SHA512

d3e4ff58e60af702bb2bfcc297c3d3187758f576815a64a9a2a18d1eec1883a6e2f4c9303b809020ed880c761687b5520e4a337d15885630c3d6ecbfa81c0108
SSDEEP

1536:3+ZgwRdiE8cO4p1xRjfTvSq5r3ZiIZ4nouy8uh1aQ/:OeodiUO4p13b9HiIeoutuh1aQ/

Score

7^/10

persistence upx

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2680	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2804	AhnSvc.exe

Loads dropped DLL 2 IoCs

pid	Process
2708	2b4abcd116797228509c1ad692478660N.exe
2708	2b4abcd116797228509c1ad692478660N.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2708-0-0x0000000001160000-0x0000000001187000-memory.dmp	upx
behavioral1/files/0x00080000000173de-2.dat	upx
behavioral1/memory/2804-11-0x0000000000B00000-0x0000000000B27000-memory.dmp	upx
behavioral1/memory/2708-12-0x0000000001160000-0x0000000001187000-memory.dmp	upx
behavioral1/memory/2804-13-0x0000000000B00000-0x0000000000B27000-memory.dmp	upx
behavioral1/memory/2708-21-0x0000000001160000-0x0000000001187000-memory.dmp	upx
behavioral1/memory/2804-22-0x0000000000B00000-0x0000000000B27000-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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\AhnUpadate = "\"C:\\ProgramData\\AhnLab\\AhnSvc.exe\" /run"	2b4abcd116797228509c1ad692478660N.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2708	2b4abcd116797228509c1ad692478660N.exe
Token: SeDebugPrivilege	2804	AhnSvc.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2708 wrote to memory of 2804	2708	2b4abcd116797228509c1ad692478660N.exe	31
PID 2708 wrote to memory of 2804	2708	2b4abcd116797228509c1ad692478660N.exe	31
PID 2708 wrote to memory of 2804	2708	2b4abcd116797228509c1ad692478660N.exe	31
PID 2708 wrote to memory of 2804	2708	2b4abcd116797228509c1ad692478660N.exe	31
PID 2708 wrote to memory of 2680	2708	2b4abcd116797228509c1ad692478660N.exe	32
PID 2708 wrote to memory of 2680	2708	2b4abcd116797228509c1ad692478660N.exe	32
PID 2708 wrote to memory of 2680	2708	2b4abcd116797228509c1ad692478660N.exe	32
PID 2708 wrote to memory of 2680	2708	2b4abcd116797228509c1ad692478660N.exe	32

C:\Users\Admin\AppData\Local\Temp\2b4abcd116797228509c1ad692478660N.exe
"C:\Users\Admin\AppData\Local\Temp\2b4abcd116797228509c1ad692478660N.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2708
- C:\ProgramData\AhnLab\AhnSvc.exe
  "C:\ProgramData\AhnLab\AhnSvc.exe" /run
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2804
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\2b4abcd116797228509c1ad692478660N.exe" >> NUL
  2⤵
  - Deletes itself
  PID:2680

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\AhnLab\AhnSvc.exe

Filesize
59KB

MD5
67f46d98787f89b64cb8ce83e7a6fbe2

SHA1
600a0f1ea31986dda7f31bafbe751a22007caf1c

SHA256
3fe5c05028a5a9b0a130fc8eef6f8bebe193b30be3e197b708657ac94e5ba741

SHA512
533841f0c29618282a686296faa55c96e780a5e72e1d445b4d37e623087205c3025deda97fb5ff2683cecfe324106104f9d82dec38275c536faf2cb849ad0a62

Download Submit
memory/2708-0-0x0000000001160000-0x0000000001187000-memory.dmp

Filesize
156KB

Download
memory/2708-10-0x0000000000B00000-0x0000000000B27000-memory.dmp

Filesize
156KB

Download
memory/2708-9-0x0000000000B00000-0x0000000000B27000-memory.dmp

Filesize
156KB

Download
memory/2708-12-0x0000000001160000-0x0000000001187000-memory.dmp

Filesize
156KB

Download
memory/2708-16-0x0000000000B00000-0x0000000000B27000-memory.dmp

Filesize
156KB

Download
memory/2708-17-0x0000000000B00000-0x0000000000B27000-memory.dmp

Filesize
156KB

Download
memory/2708-21-0x0000000001160000-0x0000000001187000-memory.dmp

Filesize
156KB

Download
memory/2804-11-0x0000000000B00000-0x0000000000B27000-memory.dmp

Filesize
156KB

Download
memory/2804-13-0x0000000000B00000-0x0000000000B27000-memory.dmp

Filesize
156KB

Download
memory/2804-22-0x0000000000B00000-0x0000000000B27000-memory.dmp

Filesize
156KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads