b1a6f18d421418bdee15cad0fb0a1c77f191af94aa829e8b4baef06a320da9bd

Analysis

max time kernel
145s
max time network
173s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
25/11/2022, 09:10

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General

Target

b1a6f18d421418bdee15cad0fb0a1c77f191af94aa829e8b4baef06a320da9bd.exe
Size

935KB
MD5

babf699b77214c8f99db239cf5a6d04d
SHA1

f6fd66edf9998a851e5a53a11a7c498a78ec1fe5
SHA256

b1a6f18d421418bdee15cad0fb0a1c77f191af94aa829e8b4baef06a320da9bd
SHA512

00b9283b3c3dba4f368ff8fd36f0aff9a5382cbf96f2de3354cbc6be607b9a5933775974fdf42de912525cf52fbee489469f325730c08023344e1ce8395091af
SSDEEP

12288:J5Yr15f753d5QWIDz/Wz9NCyzHinLipNDJ5eoFb0OZ/WiGaks+HL63S27x4K:JyHv5Z+Wzv7AiBll0OBWi6si9GH

Score

8^/10

upx

Malware Config

Signatures

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1408-133-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/1408-135-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/1408-136-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/1408-137-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/1408-138-0x0000000000400000-0x00000000004F2000-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\SystemBiosVersion	b1a6f18d421418bdee15cad0fb0a1c77f191af94aa829e8b4baef06a320da9bd.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	b1a6f18d421418bdee15cad0fb0a1c77f191af94aa829e8b4baef06a320da9bd.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	b1a6f18d421418bdee15cad0fb0a1c77f191af94aa829e8b4baef06a320da9bd.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	b1a6f18d421418bdee15cad0fb0a1c77f191af94aa829e8b4baef06a320da9bd.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4568 set thread context of 1408	4568	b1a6f18d421418bdee15cad0fb0a1c77f191af94aa829e8b4baef06a320da9bd.exe	80

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1408	b1a6f18d421418bdee15cad0fb0a1c77f191af94aa829e8b4baef06a320da9bd.exe
1408	b1a6f18d421418bdee15cad0fb0a1c77f191af94aa829e8b4baef06a320da9bd.exe
1408	b1a6f18d421418bdee15cad0fb0a1c77f191af94aa829e8b4baef06a320da9bd.exe
1408	b1a6f18d421418bdee15cad0fb0a1c77f191af94aa829e8b4baef06a320da9bd.exe
1408	b1a6f18d421418bdee15cad0fb0a1c77f191af94aa829e8b4baef06a320da9bd.exe
1408	b1a6f18d421418bdee15cad0fb0a1c77f191af94aa829e8b4baef06a320da9bd.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4568 wrote to memory of 1408	4568	b1a6f18d421418bdee15cad0fb0a1c77f191af94aa829e8b4baef06a320da9bd.exe	80
PID 4568 wrote to memory of 1408	4568	b1a6f18d421418bdee15cad0fb0a1c77f191af94aa829e8b4baef06a320da9bd.exe	80
PID 4568 wrote to memory of 1408	4568	b1a6f18d421418bdee15cad0fb0a1c77f191af94aa829e8b4baef06a320da9bd.exe	80
PID 4568 wrote to memory of 1408	4568	b1a6f18d421418bdee15cad0fb0a1c77f191af94aa829e8b4baef06a320da9bd.exe	80
PID 4568 wrote to memory of 1408	4568	b1a6f18d421418bdee15cad0fb0a1c77f191af94aa829e8b4baef06a320da9bd.exe	80
PID 4568 wrote to memory of 1408	4568	b1a6f18d421418bdee15cad0fb0a1c77f191af94aa829e8b4baef06a320da9bd.exe	80
PID 4568 wrote to memory of 1408	4568	b1a6f18d421418bdee15cad0fb0a1c77f191af94aa829e8b4baef06a320da9bd.exe	80
PID 4568 wrote to memory of 1408	4568	b1a6f18d421418bdee15cad0fb0a1c77f191af94aa829e8b4baef06a320da9bd.exe	80

C:\Users\Admin\AppData\Local\Temp\b1a6f18d421418bdee15cad0fb0a1c77f191af94aa829e8b4baef06a320da9bd.exe
"C:\Users\Admin\AppData\Local\Temp\b1a6f18d421418bdee15cad0fb0a1c77f191af94aa829e8b4baef06a320da9bd.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4568
- C:\Users\Admin\AppData\Local\Temp\b1a6f18d421418bdee15cad0fb0a1c77f191af94aa829e8b4baef06a320da9bd.exe
  "C:\Users\Admin\AppData\Local\Temp\b1a6f18d421418bdee15cad0fb0a1c77f191af94aa829e8b4baef06a320da9bd.exe" Track="0001101000"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:1408

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/1408-133-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1408-135-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1408-136-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1408-137-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1408-138-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads