353737d7d034ae5bf06ad9ce9c25cd49cea10cd75884753f304d8e0df058a513

Analysis

max time kernel
122s
max time network
141s
platform
windows7_x64
resource
win7-20231020-en
resource tags

arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
submitted
03-11-2023 11:15

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General

Target

NEAS.91e2a9c1cb661180649c928c76886bb0.exe
Size

1.9MB
MD5

91e2a9c1cb661180649c928c76886bb0
SHA1

597a4399242f386d48191d2e1bfc1485881599ae
SHA256

353737d7d034ae5bf06ad9ce9c25cd49cea10cd75884753f304d8e0df058a513
SHA512

d62044dde6bddf3b4adbfcd69ecd9097a80b847f674c27306646f469d750e0ccd21592e89a15e8ba86df911662a4ca7326b25e7fec3418c1e029ff2b4fea1045
SSDEEP

49152:fT3N4qDJPAQFMwRs7LpARFv5/kzCUy9cNMAvks1msUzgq9yPKP:jNvJPA6Mz7VARFv5/kzCqMAvP1msUzgE

Score

7^/10

upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 2 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x00060000000120b7-1.dat	acprotect
behavioral1/files/0x00060000000120b7-9.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
1780	NEAS.91e2a9c1cb661180649c928c76886bb0.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1780-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/files/0x00060000000120b7-1.dat	upx
behavioral1/files/0x00060000000120b7-9.dat	upx
behavioral1/memory/1780-12-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1780-15-0x0000000010000000-0x0000000010030000-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:	NEAS.91e2a9c1cb661180649c928c76886bb0.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	NEAS.91e2a9c1cb661180649c928c76886bb0.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1780	NEAS.91e2a9c1cb661180649c928c76886bb0.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1780	NEAS.91e2a9c1cb661180649c928c76886bb0.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1780	NEAS.91e2a9c1cb661180649c928c76886bb0.exe
1780	NEAS.91e2a9c1cb661180649c928c76886bb0.exe

C:\Users\Admin\AppData\Local\Temp\NEAS.91e2a9c1cb661180649c928c76886bb0.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.91e2a9c1cb661180649c928c76886bb0.exe"
1⤵
- Loads dropped DLL
- Enumerates connected drives
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1780

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

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/1780-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1780-5-0x0000000001150000-0x000000000132C000-memory.dmp

Filesize
1.9MB

Download
memory/1780-6-0x0000000001150000-0x000000000132C000-memory.dmp

Filesize
1.9MB

Download
memory/1780-7-0x0000000001150000-0x000000000132C000-memory.dmp

Filesize
1.9MB

Download
memory/1780-12-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1780-14-0x0000000001150000-0x000000000132C000-memory.dmp

Filesize
1.9MB

Download
memory/1780-15-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1780-13-0x0000000001150000-0x000000000132C000-memory.dmp

Filesize
1.9MB

Download