cf8752370306175aaa52ff07d6fdb32792a60eeb117d7cabfe37ea9fb1302fa1

Analysis

max time kernel
119s
max time network
123s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
02/06/2024, 03:00

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General

Target

cf8752370306175aaa52ff07d6fdb32792a60eeb117d7cabfe37ea9fb1302fa1.exe
Size

1.4MB
MD5

79ba49c89893f554eedfb326fc396f13
SHA1

78d61ecab4cbe5949515452f090f850eba7c0a77
SHA256

cf8752370306175aaa52ff07d6fdb32792a60eeb117d7cabfe37ea9fb1302fa1
SHA512

1874f927eea3b9f0b42daae02f2363e6273cfc4a4bea7514d84dcb6bf83495e40d40e7a2e00e5690f188872048ea5a91733da8d9a9532442880d62e091c8f3e3
SSDEEP

24576:bWZdotZ0dAIpVBYgiwTylxa0tElnSvfwHEBF8qwMirEH7yqKK:KZdG0dAIrLTy3aaElXkBF8ZMIK

Score

9^/10

persistence upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 3 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001227b-1.dat	UPX
behavioral1/memory/2236-3-0x0000000010000000-0x0000000010030000-memory.dmp	UPX
behavioral1/memory/2236-12-0x0000000010000000-0x0000000010030000-memory.dmp	UPX

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
behavioral1/files/0x000c00000001227b-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
2236	cf8752370306175aaa52ff07d6fdb32792a60eeb117d7cabfe37ea9fb1302fa1.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000c00000001227b-1.dat	upx
behavioral1/memory/2236-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2236-12-0x0000000010000000-0x0000000010030000-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:	cf8752370306175aaa52ff07d6fdb32792a60eeb117d7cabfe37ea9fb1302fa1.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	cf8752370306175aaa52ff07d6fdb32792a60eeb117d7cabfe37ea9fb1302fa1.exe
File created	\??\c:\program files\common files\system\symsrv.dll.000	cf8752370306175aaa52ff07d6fdb32792a60eeb117d7cabfe37ea9fb1302fa1.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2236	cf8752370306175aaa52ff07d6fdb32792a60eeb117d7cabfe37ea9fb1302fa1.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2236	cf8752370306175aaa52ff07d6fdb32792a60eeb117d7cabfe37ea9fb1302fa1.exe

C:\Users\Admin\AppData\Local\Temp\cf8752370306175aaa52ff07d6fdb32792a60eeb117d7cabfe37ea9fb1302fa1.exe
"C:\Users\Admin\AppData\Local\Temp\cf8752370306175aaa52ff07d6fdb32792a60eeb117d7cabfe37ea9fb1302fa1.exe"
1⤵
- Loads dropped DLL
- Enumerates connected drives
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2236

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

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

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

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/2236-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2236-10-0x0000000000400000-0x0000000000551000-memory.dmp

Filesize
1.3MB

Download
memory/2236-12-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download