babf307f55dc4140a94f20b381c3a4d6898aa32da5f0b534863b61a3ac6990fa

Analysis

max time kernel
140s
max time network
118s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
23-05-2024 02:23

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General

Target

babf307f55dc4140a94f20b381c3a4d6898aa32da5f0b534863b61a3ac6990fa.dll
Size

80KB
MD5

2ba098f5e421c6fa0fafcc4614166730
SHA1

d9c561597563c94b74deb864b454fc9bdff1beb8
SHA256

babf307f55dc4140a94f20b381c3a4d6898aa32da5f0b534863b61a3ac6990fa
SHA512

4818bad60a1915f01d6c140f72980ef86d6303b83c2837e8ac5bd2f30403a3c9873458fcdcb836970c8673d1fb0b37bc5a2637322570583c16e155175d98d675
SSDEEP

1536:5POOhfbOjovgdVydUgoNrwBZXGDaZ1QIxrfItMgR7ZaO+fGxHZPEpqr:5dbwovEVyqgoZmZXWfIdQdRaefP7

Score

9^/10

persistence upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2952-0-0x0000000010000000-0x0000000010033000-memory.dmp	UPX
behavioral1/memory/2820-1-0x0000000010000000-0x0000000010033000-memory.dmp	UPX
behavioral1/memory/2820-2-0x0000000010000000-0x0000000010033000-memory.dmp	UPX
behavioral1/memory/2952-3-0x0000000010000000-0x0000000010033000-memory.dmp	UPX

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

UPX packed file 4 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2952-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2820-1-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2820-2-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2952-3-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2768 2952 WerFault.exe rundll32.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

rundll32.exearp.exe

description pid process

Token: SeDebugPrivilege 2952 rundll32.exe
Token: SeDebugPrivilege 2820 arp.exe

pid	pid_target	process	target process
2768	2952	WerFault.exe	rundll32.exe

description	pid	process
Token: SeDebugPrivilege	2952	rundll32.exe
Token: SeDebugPrivilege	2820	arp.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 2884 wrote to memory of 2952	2884	rundll32.exe	rundll32.exe
PID 2884 wrote to memory of 2952	2884	rundll32.exe	rundll32.exe
PID 2884 wrote to memory of 2952	2884	rundll32.exe	rundll32.exe
PID 2884 wrote to memory of 2952	2884	rundll32.exe	rundll32.exe
PID 2884 wrote to memory of 2952	2884	rundll32.exe	rundll32.exe
PID 2884 wrote to memory of 2952	2884	rundll32.exe	rundll32.exe
PID 2884 wrote to memory of 2952	2884	rundll32.exe	rundll32.exe
PID 2952 wrote to memory of 2820	2952	rundll32.exe	arp.exe
PID 2952 wrote to memory of 2820	2952	rundll32.exe	arp.exe
PID 2952 wrote to memory of 2820	2952	rundll32.exe	arp.exe
PID 2952 wrote to memory of 2820	2952	rundll32.exe	arp.exe
PID 2952 wrote to memory of 2768	2952	rundll32.exe	WerFault.exe
PID 2952 wrote to memory of 2768	2952	rundll32.exe	WerFault.exe
PID 2952 wrote to memory of 2768	2952	rundll32.exe	WerFault.exe
PID 2952 wrote to memory of 2768	2952	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\babf307f55dc4140a94f20b381c3a4d6898aa32da5f0b534863b61a3ac6990fa.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2884
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\babf307f55dc4140a94f20b381c3a4d6898aa32da5f0b534863b61a3ac6990fa.dll,#1
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2952
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2952 -s 304
    3⤵
    - Program crash
    PID:2768
- - C:\Windows\SysWOW64\arp.exe
    arp -a
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:2820

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2820-1-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2820-2-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2952-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2952-3-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download