45b69c4f2bc2952af17900cc26c7b3ce44eeded3bb3cfb0323802ab76ec193da

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
02/02/2024, 15:39

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General

Target

45b69c4f2bc2952af17900cc26c7b3ce44eeded3bb3cfb0323802ab76ec193da.exe
Size

464KB
MD5

3a1ac553611e98e818dc64219fe9de9d
SHA1

a4c9eb60354b88e0c91a84d4d58d3fbca3c2e591
SHA256

45b69c4f2bc2952af17900cc26c7b3ce44eeded3bb3cfb0323802ab76ec193da
SHA512

99e493c51b50ea80bd8962cd576c9adda3faa2a63857b87b034da4eb8762b1da4c6d51004b872e309ef7fd37040555104be3b45bfe4dd57e5fdd243299f709ab
SSDEEP

12288:5K3wT88X1JBxvMSYnVWqqPIBONhxs7rleBjvrEH79:50wT8Epj/xs7RYrEH79

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/0x0009000000015c46-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
1840	45b69c4f2bc2952af17900cc26c7b3ce44eeded3bb3cfb0323802ab76ec193da.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x0009000000015c46-1.dat	upx
behavioral1/memory/1840-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1840-63-0x0000000010000000-0x0000000010030000-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:	45b69c4f2bc2952af17900cc26c7b3ce44eeded3bb3cfb0323802ab76ec193da.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	45b69c4f2bc2952af17900cc26c7b3ce44eeded3bb3cfb0323802ab76ec193da.exe
File created	\??\c:\program files\common files\system\symsrv.dll.000	45b69c4f2bc2952af17900cc26c7b3ce44eeded3bb3cfb0323802ab76ec193da.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1840	45b69c4f2bc2952af17900cc26c7b3ce44eeded3bb3cfb0323802ab76ec193da.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1840	45b69c4f2bc2952af17900cc26c7b3ce44eeded3bb3cfb0323802ab76ec193da.exe

C:\Users\Admin\AppData\Local\Temp\45b69c4f2bc2952af17900cc26c7b3ce44eeded3bb3cfb0323802ab76ec193da.exe
"C:\Users\Admin\AppData\Local\Temp\45b69c4f2bc2952af17900cc26c7b3ce44eeded3bb3cfb0323802ab76ec193da.exe"
1⤵
- Loads dropped DLL
- Enumerates connected drives
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1840

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
3KB

MD5
4b8761b0a623bd110d5460e7eec1dcfb

SHA1
92424172a7687ec463107215c4e1ad29f1a4e919

SHA256
c55e0088bde9eab8affa07c95b21c268f62caebf9a3e73d1cab7557eaeb4556b

SHA512
6ecd653d8bc787748d9136352a93a52274541ff686cac6dc89223a64da1ed45d39437fff299d8bba3c33679f2ab8432d3e398823eb67ad0c407faa01ee714dcb

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

Filesize
5KB

MD5
f68da775af6fe8625ded6478c084f3de

SHA1
d404fd92f416be998ee493a07572e2d6062e1621

SHA256
95e436e84e523c62201f148a47a46efde58e6b4aac37c0b1abca1cd001c8dfdf

SHA512
59865f966fd88efea6391f7e453324221f7e691ba3e81f80e016a57d218bbe6e025337e518f950ca3f8719e3b7aa84736eb46e8694b18d95cec5e8ff60183de6

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

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/1840-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1840-55-0x00000000003C0000-0x0000000000426000-memory.dmp

Filesize
408KB

Download
memory/1840-56-0x00000000003C0000-0x0000000000426000-memory.dmp

Filesize
408KB

Download
memory/1840-62-0x00000000003C0000-0x0000000000426000-memory.dmp

Filesize
408KB

Download
memory/1840-63-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download