8453ffd5bf11cf73dd6d694b7f9ca80c00389b0e407db1bc3b95616c8689e559

Analysis

max time kernel
147s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
11/04/2024, 06:17

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General

Target

8453ffd5bf11cf73dd6d694b7f9ca80c00389b0e407db1bc3b95616c8689e559.exe
Size

2.7MB
MD5

e11d031d19b4187e33673b074510a047
SHA1

abe449bf2ad8f9d18d1df279925cc210dfabc6fa
SHA256

8453ffd5bf11cf73dd6d694b7f9ca80c00389b0e407db1bc3b95616c8689e559
SHA512

1337cc7e5d757db96856147ec234999e89ec0c871a0d4dd654ed5162e4ce49f33a479bcb1c4579b17d822225d5605e2b336831b952bb0c987f1b391bd193df59
SSDEEP

49152:Flks4A6lVLX6Sc60FNUFFIIsTp/9FlNN7boUvH6u//zHjwhXPwMQ9i9ZMW/KMZKc:/n6r6+0FUFIIsTN9Fl/7boUi+XwZPwMP

Score

7^/10

upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x000700000002321e-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
1872	8453ffd5bf11cf73dd6d694b7f9ca80c00389b0e407db1bc3b95616c8689e559.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000700000002321e-1.dat	upx
behavioral2/memory/1872-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/1872-13-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Enumerates connected drives 3 TTPs 1 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\e:	8453ffd5bf11cf73dd6d694b7f9ca80c00389b0e407db1bc3b95616c8689e559.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	8453ffd5bf11cf73dd6d694b7f9ca80c00389b0e407db1bc3b95616c8689e559.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2176	1872	WerFault.exe	82
1148	1872	WerFault.exe	82

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1872	8453ffd5bf11cf73dd6d694b7f9ca80c00389b0e407db1bc3b95616c8689e559.exe
1872	8453ffd5bf11cf73dd6d694b7f9ca80c00389b0e407db1bc3b95616c8689e559.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1872	8453ffd5bf11cf73dd6d694b7f9ca80c00389b0e407db1bc3b95616c8689e559.exe

C:\Users\Admin\AppData\Local\Temp\8453ffd5bf11cf73dd6d694b7f9ca80c00389b0e407db1bc3b95616c8689e559.exe
"C:\Users\Admin\AppData\Local\Temp\8453ffd5bf11cf73dd6d694b7f9ca80c00389b0e407db1bc3b95616c8689e559.exe"
1⤵
- Loads dropped DLL
- Enumerates connected drives
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1872
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1872 -s 720
  2⤵
  - Program crash
  PID:2176
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1872 -s 664
  2⤵
  - Program crash
  PID:1148

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 1872 -ip 1872
1⤵
PID:4584

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 1872 -ip 1872
1⤵
PID:4420

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

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/1872-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1872-6-0x0000000000F40000-0x00000000011E8000-memory.dmp

Filesize
2.7MB

Download
memory/1872-7-0x0000000000F40000-0x00000000011E8000-memory.dmp

Filesize
2.7MB

Download
memory/1872-13-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download