b0a91753a5b0a76f3fa2c5c82fb0da1dd1f6f31bd8ea31c78cabdd93c698e5b4

Analysis

max time kernel
117s
max time network
122s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
09-03-2024 07:00

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General

Target

b0a91753a5b0a76f3fa2c5c82fb0da1dd1f6f31bd8ea31c78cabdd93c698e5b4.exe
Size

461KB
MD5

fc1d45faa27a9f5db6d5b589b326322a
SHA1

fffdd956d880ab4b8420725dc440777c918193b4
SHA256

b0a91753a5b0a76f3fa2c5c82fb0da1dd1f6f31bd8ea31c78cabdd93c698e5b4
SHA512

1c5cd9bb2ea26c781c087cc22b0d21a914db58aa72f44d1b2a141aa8677672fcaab36644f97093ec9bf43aff1057030412c735adc235e99f9028d447144f272d
SSDEEP

12288:SJRL3Ubb6U38Y9de3ANbCS0Z8M9exenVWqqPIBONhxs8hmhSBjvrEH7o:SJRL3ap9dNNbCiM+1/xs8hmCrEH7o

Score

7^/10

upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x000900000001222b-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
2776	b0a91753a5b0a76f3fa2c5c82fb0da1dd1f6f31bd8ea31c78cabdd93c698e5b4.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000900000001222b-1.dat	upx
behavioral1/memory/2776-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2776-63-0x0000000010000000-0x0000000010030000-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:	b0a91753a5b0a76f3fa2c5c82fb0da1dd1f6f31bd8ea31c78cabdd93c698e5b4.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	b0a91753a5b0a76f3fa2c5c82fb0da1dd1f6f31bd8ea31c78cabdd93c698e5b4.exe
File created	\??\c:\program files\common files\system\symsrv.dll.000	b0a91753a5b0a76f3fa2c5c82fb0da1dd1f6f31bd8ea31c78cabdd93c698e5b4.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2776	b0a91753a5b0a76f3fa2c5c82fb0da1dd1f6f31bd8ea31c78cabdd93c698e5b4.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2776	b0a91753a5b0a76f3fa2c5c82fb0da1dd1f6f31bd8ea31c78cabdd93c698e5b4.exe

C:\Users\Admin\AppData\Local\Temp\b0a91753a5b0a76f3fa2c5c82fb0da1dd1f6f31bd8ea31c78cabdd93c698e5b4.exe
"C:\Users\Admin\AppData\Local\Temp\b0a91753a5b0a76f3fa2c5c82fb0da1dd1f6f31bd8ea31c78cabdd93c698e5b4.exe"
1⤵
- Loads dropped DLL
- Enumerates connected drives
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2776

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

Filesize
5KB

MD5
405034b93e7485ce204501a9e2de05aa

SHA1
95ed950a1b268cf2fc3f5ff0dcd4d36b35cdf635

SHA256
b975e9df51ca6fcf1f93787184953642d433af03cc6e6a6764937e7d4e332538

SHA512
a4e4190a4846f2c15974b128766b97309de0f6cd33e4c4c3d528992fecbd22c0441f3ef0cde54a751db68a573d6ec0049774940d827dd6272fab6061b7575919

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

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/2776-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2776-31-0x0000000000090000-0x00000000000F6000-memory.dmp

Filesize
408KB

Download
memory/2776-56-0x0000000000090000-0x00000000000F6000-memory.dmp

Filesize
408KB

Download
memory/2776-62-0x0000000000090000-0x00000000000F6000-memory.dmp

Filesize
408KB

Download
memory/2776-63-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download