fd27b6586c5d693148cdadcb356188fa5daeb795e99a2fce9325d02f638f8ccd

Analysis

max time kernel
143s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
20/06/2024, 05:51

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General

Target

fd27b6586c5d693148cdadcb356188fa5daeb795e99a2fce9325d02f638f8ccd.dll
Size

76KB
MD5

5bfa6b90da893064f0deca4e653f2be0
SHA1

2eec9b7149bac6a0b35ecb2bc0b29113f8bdd826
SHA256

fd27b6586c5d693148cdadcb356188fa5daeb795e99a2fce9325d02f638f8ccd
SHA512

dfc470ef48c98e3d0dfbcee6b338b462eb921b5858d135c2d3cdac1134cd783e3af0f7d1f75342f5c4c612c9c339d87a8090be759834f340f810efd8203eb520
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZfbdyziJ:c8y93KQjy7G55riF1cMo039TJ

Score

9^/10

persistence privilege_escalation upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 3 IoCs

resource	yara_rule
behavioral2/memory/4960-0-0x0000000010000000-0x0000000010030000-memory.dmp	UPX
behavioral2/memory/4960-1-0x0000000010000000-0x0000000010030000-memory.dmp	UPX
behavioral2/memory/4960-2-0x0000000010000000-0x0000000010030000-memory.dmp	UPX

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4960-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4960-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4960-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4960	rundll32.exe
4960	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4960	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4416 wrote to memory of 4960	4416	rundll32.exe	91
PID 4416 wrote to memory of 4960	4416	rundll32.exe	91
PID 4416 wrote to memory of 4960	4416	rundll32.exe	91

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fd27b6586c5d693148cdadcb356188fa5daeb795e99a2fce9325d02f638f8ccd.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4416
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\fd27b6586c5d693148cdadcb356188fa5daeb795e99a2fce9325d02f638f8ccd.dll,#1
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4960

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=3756 --field-trial-handle=2248,i,10247514684337323751,15511974759131734137,262144 --variations-seed-version /prefetch:8
1⤵
PID:3980

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Privilege Escalation

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4960-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/4960-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/4960-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download