cabbc9b74ab8a620452250e1be41e6f287f8f20f6bc87e9f1e5fa742408591fd

Analysis

max time kernel
142s
max time network
134s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
25-12-2023 17:04

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General

Target

2f60d1e44a5ae5d0fc156c7620dec34b.exe
Size

33KB
MD5

2f60d1e44a5ae5d0fc156c7620dec34b
SHA1

4ff1b16014f16ffc7cd0652f93255b27c3d03f07
SHA256

cabbc9b74ab8a620452250e1be41e6f287f8f20f6bc87e9f1e5fa742408591fd
SHA512

2953829156a5a7dc79320f205a5ae47fb18a7d3f010b9f48113db6d4c51ed265cfd715b024638ee509378bc11610432b733b99bce819d7125a2d5c00abd3c54c
SSDEEP

768:Vc+xGnEfHapAb+hWEXrq6PE9JvlWsIfr15PR88iZIDWqFC3zAYGR:VMnEvls58rvs3z8r2WmkzAYGR

Score

7^/10

persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2464	taskmngr32.exe

Loads dropped DLL 2 IoCs

pid	Process
2672	2f60d1e44a5ae5d0fc156c7620dec34b.exe
2672	2f60d1e44a5ae5d0fc156c7620dec34b.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2672-1-0x0000000000400000-0x0000000000433000-memory.dmp	upx
behavioral1/files/0x00080000000120f8-3.dat	upx
behavioral1/memory/2672-4-0x0000000001DC0000-0x0000000001DF3000-memory.dmp	upx
behavioral1/memory/2464-12-0x0000000000400000-0x0000000000433000-memory.dmp	upx
behavioral1/memory/2464-13-0x0000000000400000-0x0000000000433000-memory.dmp	upx
behavioral1/memory/2464-14-0x0000000000400000-0x0000000000433000-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\Task Manager Win32 = "C:\\Windows\\SysWOW64\\taskmngr32.exe"	taskmngr32.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\taskmngr32.exe	2f60d1e44a5ae5d0fc156c7620dec34b.exe
File opened for modification	C:\Windows\SysWOW64\taskmngr32.exe	2f60d1e44a5ae5d0fc156c7620dec34b.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2672 wrote to memory of 2464	2672	2f60d1e44a5ae5d0fc156c7620dec34b.exe	28
PID 2672 wrote to memory of 2464	2672	2f60d1e44a5ae5d0fc156c7620dec34b.exe	28
PID 2672 wrote to memory of 2464	2672	2f60d1e44a5ae5d0fc156c7620dec34b.exe	28
PID 2672 wrote to memory of 2464	2672	2f60d1e44a5ae5d0fc156c7620dec34b.exe	28

C:\Users\Admin\AppData\Local\Temp\2f60d1e44a5ae5d0fc156c7620dec34b.exe
"C:\Users\Admin\AppData\Local\Temp\2f60d1e44a5ae5d0fc156c7620dec34b.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2672
- C:\Windows\SysWOW64\taskmngr32.exe
  "C:\Windows\system32\taskmngr32.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  PID:2464

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

\Windows\SysWOW64\taskmngr32.exe

Filesize
33KB

MD5
2f60d1e44a5ae5d0fc156c7620dec34b

SHA1
4ff1b16014f16ffc7cd0652f93255b27c3d03f07

SHA256
cabbc9b74ab8a620452250e1be41e6f287f8f20f6bc87e9f1e5fa742408591fd

SHA512
2953829156a5a7dc79320f205a5ae47fb18a7d3f010b9f48113db6d4c51ed265cfd715b024638ee509378bc11610432b733b99bce819d7125a2d5c00abd3c54c

Download Submit
memory/2464-12-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/2464-13-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/2464-14-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/2672-1-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/2672-4-0x0000000001DC0000-0x0000000001DF3000-memory.dmp

Filesize
204KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads