b2dd824b827d7164c05b7af8cc56e8dc37eba4ecc2b5aa4a3cdbb6e85aaec0c1

Analysis

max time kernel
120s
max time network
125s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
21/04/2024, 06:23

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General

Target

b2dd824b827d7164c05b7af8cc56e8dc37eba4ecc2b5aa4a3cdbb6e85aaec0c1.exe
Size

464KB
MD5

92bbf2690a68619a59dc7aa5992076d7
SHA1

0f2a7fb4a94bf6e8ada44979d38b59e145e6e5bd
SHA256

b2dd824b827d7164c05b7af8cc56e8dc37eba4ecc2b5aa4a3cdbb6e85aaec0c1
SHA512

bc16dea997480044b2702f3d96d94689748ea5cf82f26952ee0933e4a4653e0fdd6fd053e323c42a22894c66f307cb4e5fd82e44d696b6c2fe7175ac9f6f73d2
SSDEEP

12288:5K3SET78X1JBxkSYnVWqqPIBONhxs7rleBjvrEH7L:507T7E5j/xs7RYrEH7L

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
behavioral1/files/0x0009000000012247-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
2868	b2dd824b827d7164c05b7af8cc56e8dc37eba4ecc2b5aa4a3cdbb6e85aaec0c1.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x0009000000012247-1.dat	upx
behavioral1/memory/2868-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2868-63-0x0000000010000000-0x0000000010030000-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:	b2dd824b827d7164c05b7af8cc56e8dc37eba4ecc2b5aa4a3cdbb6e85aaec0c1.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	b2dd824b827d7164c05b7af8cc56e8dc37eba4ecc2b5aa4a3cdbb6e85aaec0c1.exe
File created	\??\c:\program files\common files\system\symsrv.dll.000	b2dd824b827d7164c05b7af8cc56e8dc37eba4ecc2b5aa4a3cdbb6e85aaec0c1.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2868	b2dd824b827d7164c05b7af8cc56e8dc37eba4ecc2b5aa4a3cdbb6e85aaec0c1.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2868	b2dd824b827d7164c05b7af8cc56e8dc37eba4ecc2b5aa4a3cdbb6e85aaec0c1.exe

C:\Users\Admin\AppData\Local\Temp\b2dd824b827d7164c05b7af8cc56e8dc37eba4ecc2b5aa4a3cdbb6e85aaec0c1.exe
"C:\Users\Admin\AppData\Local\Temp\b2dd824b827d7164c05b7af8cc56e8dc37eba4ecc2b5aa4a3cdbb6e85aaec0c1.exe"
1⤵
- Loads dropped DLL
- Enumerates connected drives
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2868

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

C:\Users\Admin\AppData\Local\Temp\log.txt

Filesize
5KB

MD5
ca398a5e1f89a8643a82200ecd69ad79

SHA1
b51f0da121f314e2b8132d74137c244670cab830

SHA256
8bd1db527e8a863eb4a0d62fda78a6debae501b9a20987bb8edc0140bca2b588

SHA512
e5c45f2041a696462901a0a7a3be7cdc337eaf6757c34f0d8ee929997f02d433a4e1dd0ddd2765055c99248f974afc2b098cf303d832d772c94a53b3b737dc83

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

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/2868-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2868-55-0x0000000001290000-0x00000000012F6000-memory.dmp

Filesize
408KB

Download
memory/2868-56-0x0000000001290000-0x00000000012F6000-memory.dmp

Filesize
408KB

Download
memory/2868-62-0x0000000001290000-0x00000000012F6000-memory.dmp

Filesize
408KB

Download
memory/2868-63-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download