a19dcf6ba2274042fb134f3129f9b8535d5d0b43fd09c839a151f9d4daf1ef23

Analysis

max time kernel
139s
max time network
161s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
24-05-2024 03:58

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General

Target

a19dcf6ba2274042fb134f3129f9b8535d5d0b43fd09c839a151f9d4daf1ef23.dll
Size

76KB
MD5

b4cbb906f65e1f1803b9268165d76c60
SHA1

3194739dbb0e879e5d899d7a940e707045eda60c
SHA256

a19dcf6ba2274042fb134f3129f9b8535d5d0b43fd09c839a151f9d4daf1ef23
SHA512

196fef2fc73497bae713940db2ee464eb97a90a0e0b3022357eaf714d22f7cc1e799f0855007a90397e572147c230dc4b36750f2c5a3513f5f3104fad21bd668
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Zh5:c8y93KQjy7G55riF1cMo03j5

Score

8^/10

persistence upx

Malware Config

Signatures

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

UPX packed file 3 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/5012-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/5012-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/5012-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2376 5012 WerFault.exe rundll32.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

rundll32.exe

description pid process

Token: SeDebugPrivilege 5012 rundll32.exe

pid	pid_target	process	target process
2376	5012	WerFault.exe	rundll32.exe

description	pid	process
Token: SeDebugPrivilege	5012	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4740 wrote to memory of 5012	4740	rundll32.exe	rundll32.exe
PID 4740 wrote to memory of 5012	4740	rundll32.exe	rundll32.exe
PID 4740 wrote to memory of 5012	4740	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a19dcf6ba2274042fb134f3129f9b8535d5d0b43fd09c839a151f9d4daf1ef23.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4740
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a19dcf6ba2274042fb134f3129f9b8535d5d0b43fd09c839a151f9d4daf1ef23.dll,#1
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:5012
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5012 -s 668
    3⤵
    - Program crash
    PID:2376

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 176 -p 5012 -ip 5012
1⤵
PID:3076

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4472 --field-trial-handle=2656,i,16940681401824032220,151921362336696246,262144 --variations-seed-version /prefetch:8
1⤵
PID:2296

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/5012-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/5012-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/5012-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download