b1b9ef2348021f09a9eecc5dc86dd0ed1753f925cfbc9dea310bb3d3282217cf

Analysis

max time kernel
258s
max time network
316s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
25-11-2022 09:10

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General

Target

b1b9ef2348021f09a9eecc5dc86dd0ed1753f925cfbc9dea310bb3d3282217cf.exe
Size

935KB
MD5

bdb11af7225ccadef7f42502b20040ad
SHA1

6e46df913fdc02eb0339c63a45962fd228014593
SHA256

b1b9ef2348021f09a9eecc5dc86dd0ed1753f925cfbc9dea310bb3d3282217cf
SHA512

80e01bd8a080a731035af79d7144edbfdfcb3d51e318f7be9a793d867cd26f076e4e3defa5cdde526c5bb0a8627a0bbda217843e4774b6dd8cbf994f568b4a52
SSDEEP

12288:Z5Yr15f753d5QWIDz/Wz9NCyzHinLipNDJ5eoFb0OZ/WiGaks+HL63S27x4M:ZyHv5Z+Wzv7AiBll0OBWi6si9GN

Score

8^/10

upx

Malware Config

Signatures

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1912-133-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/1912-135-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/1912-136-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/1912-137-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/1912-138-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/1912-139-0x0000000000400000-0x00000000004F2000-memory.dmp	upx

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	b1b9ef2348021f09a9eecc5dc86dd0ed1753f925cfbc9dea310bb3d3282217cf.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	b1b9ef2348021f09a9eecc5dc86dd0ed1753f925cfbc9dea310bb3d3282217cf.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	b1b9ef2348021f09a9eecc5dc86dd0ed1753f925cfbc9dea310bb3d3282217cf.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	b1b9ef2348021f09a9eecc5dc86dd0ed1753f925cfbc9dea310bb3d3282217cf.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4576 set thread context of 1912	4576	b1b9ef2348021f09a9eecc5dc86dd0ed1753f925cfbc9dea310bb3d3282217cf.exe	83

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1912	b1b9ef2348021f09a9eecc5dc86dd0ed1753f925cfbc9dea310bb3d3282217cf.exe
1912	b1b9ef2348021f09a9eecc5dc86dd0ed1753f925cfbc9dea310bb3d3282217cf.exe
1912	b1b9ef2348021f09a9eecc5dc86dd0ed1753f925cfbc9dea310bb3d3282217cf.exe
1912	b1b9ef2348021f09a9eecc5dc86dd0ed1753f925cfbc9dea310bb3d3282217cf.exe
1912	b1b9ef2348021f09a9eecc5dc86dd0ed1753f925cfbc9dea310bb3d3282217cf.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4576 wrote to memory of 1912	4576	b1b9ef2348021f09a9eecc5dc86dd0ed1753f925cfbc9dea310bb3d3282217cf.exe	83
PID 4576 wrote to memory of 1912	4576	b1b9ef2348021f09a9eecc5dc86dd0ed1753f925cfbc9dea310bb3d3282217cf.exe	83
PID 4576 wrote to memory of 1912	4576	b1b9ef2348021f09a9eecc5dc86dd0ed1753f925cfbc9dea310bb3d3282217cf.exe	83
PID 4576 wrote to memory of 1912	4576	b1b9ef2348021f09a9eecc5dc86dd0ed1753f925cfbc9dea310bb3d3282217cf.exe	83
PID 4576 wrote to memory of 1912	4576	b1b9ef2348021f09a9eecc5dc86dd0ed1753f925cfbc9dea310bb3d3282217cf.exe	83
PID 4576 wrote to memory of 1912	4576	b1b9ef2348021f09a9eecc5dc86dd0ed1753f925cfbc9dea310bb3d3282217cf.exe	83
PID 4576 wrote to memory of 1912	4576	b1b9ef2348021f09a9eecc5dc86dd0ed1753f925cfbc9dea310bb3d3282217cf.exe	83
PID 4576 wrote to memory of 1912	4576	b1b9ef2348021f09a9eecc5dc86dd0ed1753f925cfbc9dea310bb3d3282217cf.exe	83

C:\Users\Admin\AppData\Local\Temp\b1b9ef2348021f09a9eecc5dc86dd0ed1753f925cfbc9dea310bb3d3282217cf.exe
"C:\Users\Admin\AppData\Local\Temp\b1b9ef2348021f09a9eecc5dc86dd0ed1753f925cfbc9dea310bb3d3282217cf.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4576
- C:\Users\Admin\AppData\Local\Temp\b1b9ef2348021f09a9eecc5dc86dd0ed1753f925cfbc9dea310bb3d3282217cf.exe
  "C:\Users\Admin\AppData\Local\Temp\b1b9ef2348021f09a9eecc5dc86dd0ed1753f925cfbc9dea310bb3d3282217cf.exe" Track="0001001000"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:1912

Network

MITRE ATT&CK Enterprise v6

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

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Downloads

memory/1912-132-0x0000000000000000-mapping.dmp

Download
memory/1912-133-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1912-135-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1912-136-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1912-137-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1912-138-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1912-139-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads