f3544211710d293dfe623411feb7e121f5a8b2ea8b9e5e545d1f51b1aa9aabe3

Analysis

max time kernel
148s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
06/07/2024, 00:56

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General

Target
culclientUp.exe
Size 329KB
Sample240706-bajdma1bpm
SHA256 f6c833657a31e9f8fc136f74aa251d428a6d2ee7bcc6fb74c00ba4f44e902edd
MD5 915b7366ba2e87a3f5a6810903cbc38a
SHA1 0d8fe32290ad5294cc6770daf316114e8cbcc60f
SHA512 a6981d6a94ada77245eaeefdb577055e36f1465d400bbcbae064723dd3a3e7f37495926d45a4227e31631b87b513446901e7e48fa75a97823ff1eef681b7ce08
SSDEEP 6144:u68oipnnK9jqXEX52Ums+Tbxzbx9SmIqQyPodMUf8Dkzel6R8zHe1IBG:OfnnK9zABs+TbFx9SXOPCf8DkqAR8zHu
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral4/memory/4316-0-0x0000000000400000-0x00000000004D0000-memory.dmp	upx
behavioral4/memory/4316-1-0x0000000000400000-0x00000000004D0000-memory.dmp	upx

Enumerates connected drives 3 TTPs 23 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)	\??\o:	culclientUp.exe
File opened (read-only)	\??\t:	culclientUp.exe
File opened (read-only)	\??\b:	culclientUp.exe
File opened (read-only)	\??\g:	culclientUp.exe
File opened (read-only)	\??\n:	culclientUp.exe
File opened (read-only)	\??\v:	culclientUp.exe
File opened (read-only)	\??\w:	culclientUp.exe
File opened (read-only)	\??\x:	culclientUp.exe
File opened (read-only)	\??\y:	culclientUp.exe
File opened (read-only)	\??\e:	culclientUp.exe
File opened (read-only)	\??\j:	culclientUp.exe
File opened (read-only)	\??\s:	culclientUp.exe
File opened (read-only)	\??\m:	culclientUp.exe
File opened (read-only)	\??\p:	culclientUp.exe
File opened (read-only)	\??\q:	culclientUp.exe
File opened (read-only)	\??\r:	culclientUp.exe
File opened (read-only)	\??\u:	culclientUp.exe
File opened (read-only)	\??\a:	culclientUp.exe
File opened (read-only)	\??\h:	culclientUp.exe
File opened (read-only)	\??\l:	culclientUp.exe
File opened (read-only)	\??\i:	culclientUp.exe
File opened (read-only)	\??\k:	culclientUp.exe
File opened (read-only)	\??\z:	culclientUp.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral4/memory/4316-1-0x0000000000400000-0x00000000004D0000-memory.dmp	autoit_exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

C:\Users\Admin\AppData\Local\Temp\culclientUp.exe
"C:\Users\Admin\AppData\Local\Temp\culclientUp.exe"
1⤵
- Enumerates connected drives
PID:4316

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

memory/4316-0-0x0000000000400000-0x00000000004D0000-memory.dmp

Download

memory/4316-1-0x0000000000400000-0x00000000004D0000-memory.dmp