6b9b0c2be545dc060c19760fb7437a2661c50797797faa167a4b00a9236d4f29

Analysis

max time kernel
141s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
30-06-2024 06:36

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

HBCD/WinTools/AsteriskLogger.bat
Size

101B
MD5

7ef7c686018ac499743387a191b72d47
SHA1

925d6476874f791d3006de07f3c274dc363473fb
SHA256

47881a40db65e4c0b62f60614d2d7dcd31fbf8288f3e52e6bddcc6a437a690ec
SHA512

7a63b5a4ef554a006efdbe5209758d63feb73d674b033be351c4d5558e084debe93503737d6661f9191e0ccc6611147c31ccd3aa06ac3d77e6c56944b1cde2a0

Score

9^/10

upx

Malware Config

Signatures

Nirsoft 1 IoCs

Processes:

resource yara_rule

C:\Users\Admin\AppData\Local\Temp\astlog.exe Nirsoft
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

cmd.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\Control Panel\International\Geo\Nation cmd.exe
Executes dropped EXE 1 IoCs

Processes:

astlog.exe

pid process

3492 astlog.exe
UPX packed file 2 IoCs
Detects executables packed with UPX/modified UPX open source packer.
upx

Processes:

resource yara_rule

behavioral4/memory/2944-0-0x0000000000400000-0x000000000047D000-memory.dmp upx
behavioral4/memory/2944-5-0x0000000000400000-0x000000000047D000-memory.dmp upx
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\astlog.exe	Nirsoft

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\Control Panel\International\Geo\Nation	cmd.exe

pid	process
3492	astlog.exe

resource	yara_rule
behavioral4/memory/2944-0-0x0000000000400000-0x000000000047D000-memory.dmp	upx
behavioral4/memory/2944-5-0x0000000000400000-0x000000000047D000-memory.dmp	upx

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

cmd.exe

description	pid	process	target process
PID 2612 wrote to memory of 2944	2612	cmd.exe	uharc.exe
PID 2612 wrote to memory of 2944	2612	cmd.exe	uharc.exe
PID 2612 wrote to memory of 2944	2612	cmd.exe	uharc.exe
PID 2612 wrote to memory of 3492	2612	cmd.exe	astlog.exe
PID 2612 wrote to memory of 3492	2612	cmd.exe	astlog.exe
PID 2612 wrote to memory of 3492	2612	cmd.exe	astlog.exe

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\HBCD\WinTools\AsteriskLogger.bat"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2612

C:\Users\Admin\AppData\Local\Temp\HBCD\uharc.exe
..\uharc.exe x -t"C:\Users\Admin\AppData\Local\Temp" -y+ files\files.uha astlog.exe
2⤵
PID:2944

C:\Users\Admin\AppData\Local\Temp\astlog.exe
"C:\Users\Admin\AppData\Local\Temp\astlog.exe"
2⤵
- Executes dropped EXE
PID:3492

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\astlog.exe
Filesize
34KB

MD5
4a9988dbee81ee9a75532b190351b39c

SHA1
952c5b398f94c5a7d501f2613f03df28bb940983

SHA256
cf9f2711919037ed42324accdd9ae0d92729b00e396ab3d4447cbb59800c4910

SHA512
4ac7b86be319085f52a1454ee6c86c5187083ce1a7b0156183fb70eac569251c82aeaef89563850fbb0d706a0a1eb93b34c2a9ac609446ccb3605969ad070097

Download Submit
memory/2944-0-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/2944-5-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download