acb2b308e631ad95fa20f128fa2cf1467b78f6b55a97161f077379d4ca3b1661

Analysis

max time kernel
146s
max time network
170s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
08/04/2024, 15:07

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General

Target

acb2b308e631ad95fa20f128fa2cf1467b78f6b55a97161f077379d4ca3b1661.exe
Size

234KB
MD5

d040ab8b294a911ff0aaa129e26ac821
SHA1

2431615b6c378bea5aa2ab778ffb7a028a900095
SHA256

acb2b308e631ad95fa20f128fa2cf1467b78f6b55a97161f077379d4ca3b1661
SHA512

070f9e1e5cf0da28d9dc829bd7c0f07926cc60ca51dbab0a9307beacaf2b9d90871bf881a98d5c3cb876f0f707391a55ef0099c94b42c4f10d40eda8a9a38db8
SSDEEP

6144:mDiP/aKych9H/B+rdBV+UdvrEFp7hKiprR:mGP/aKycvB+JBjvrEH7PR

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

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x000700000002320b-1.dat	acprotect

Loads dropped DLL 3 IoCs

pid	Process
4976	acb2b308e631ad95fa20f128fa2cf1467b78f6b55a97161f077379d4ca3b1661.exe
1804	WerFault.exe
2556	WerFault.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000700000002320b-1.dat	upx
behavioral2/memory/4976-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4976-9-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	acb2b308e631ad95fa20f128fa2cf1467b78f6b55a97161f077379d4ca3b1661.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2556	4976	WerFault.exe	84

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4976	acb2b308e631ad95fa20f128fa2cf1467b78f6b55a97161f077379d4ca3b1661.exe

C:\Users\Admin\AppData\Local\Temp\acb2b308e631ad95fa20f128fa2cf1467b78f6b55a97161f077379d4ca3b1661.exe
"C:\Users\Admin\AppData\Local\Temp\acb2b308e631ad95fa20f128fa2cf1467b78f6b55a97161f077379d4ca3b1661.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
PID:4976
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4976 -s 428
  2⤵
  - Loads dropped DLL
  - Program crash
  PID:2556

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4976 -ip 4976
1⤵
- Loads dropped DLL
PID:1804

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

C:\Program Files\Common Files\System\symsrv.dll

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/4976-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/4976-5-0x0000000000240000-0x0000000000269000-memory.dmp

Filesize
164KB

Download
memory/4976-9-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download