b971a918a3dd7165898f09fea69cb938be67a342be8f25bed074c3da9bb65efe

General

Target

b971a918a3dd7165898f09fea69cb938be67a342be8f25bed074c3da9bb65efe.exe
Size

935KB
MD5

22efba287decfe9811375412b10d091c
SHA1

1fbaa598a2cd17e4f256b9ad03f6a29a58bdb286
SHA256

b971a918a3dd7165898f09fea69cb938be67a342be8f25bed074c3da9bb65efe
SHA512

41457b421975fd8d6dda73686d65123e201d39fa9962b2221367c4a58b544a3f4ca27169e0df107ef0865b6ee621a702f7b14dc055152b97ce580111f9eeb62f
SSDEEP

12288:Y5Yr15f753d5QWIDz/Wz9NCyzHinLipNDJ5eoFb0OZ/WiGaks+HL63S27x4:YyHv5Z+Wzv7AiBll0OBWi6si9G

Score

8^/10

upx

Malware Config

Signatures

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/856-55-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/856-58-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/856-57-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/856-62-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/856-63-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/856-64-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/856-65-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/856-66-0x0000000000400000-0x00000000004F2000-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	b971a918a3dd7165898f09fea69cb938be67a342be8f25bed074c3da9bb65efe.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	b971a918a3dd7165898f09fea69cb938be67a342be8f25bed074c3da9bb65efe.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	b971a918a3dd7165898f09fea69cb938be67a342be8f25bed074c3da9bb65efe.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	b971a918a3dd7165898f09fea69cb938be67a342be8f25bed074c3da9bb65efe.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 836 set thread context of 856	836	b971a918a3dd7165898f09fea69cb938be67a342be8f25bed074c3da9bb65efe.exe	29

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
856	b971a918a3dd7165898f09fea69cb938be67a342be8f25bed074c3da9bb65efe.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 836 wrote to memory of 856	836	b971a918a3dd7165898f09fea69cb938be67a342be8f25bed074c3da9bb65efe.exe	29
PID 836 wrote to memory of 856	836	b971a918a3dd7165898f09fea69cb938be67a342be8f25bed074c3da9bb65efe.exe	29
PID 836 wrote to memory of 856	836	b971a918a3dd7165898f09fea69cb938be67a342be8f25bed074c3da9bb65efe.exe	29
PID 836 wrote to memory of 856	836	b971a918a3dd7165898f09fea69cb938be67a342be8f25bed074c3da9bb65efe.exe	29
PID 836 wrote to memory of 856	836	b971a918a3dd7165898f09fea69cb938be67a342be8f25bed074c3da9bb65efe.exe	29
PID 836 wrote to memory of 856	836	b971a918a3dd7165898f09fea69cb938be67a342be8f25bed074c3da9bb65efe.exe	29
PID 836 wrote to memory of 856	836	b971a918a3dd7165898f09fea69cb938be67a342be8f25bed074c3da9bb65efe.exe	29
PID 836 wrote to memory of 856	836	b971a918a3dd7165898f09fea69cb938be67a342be8f25bed074c3da9bb65efe.exe	29

C:\Users\Admin\AppData\Local\Temp\b971a918a3dd7165898f09fea69cb938be67a342be8f25bed074c3da9bb65efe.exe
"C:\Users\Admin\AppData\Local\Temp\b971a918a3dd7165898f09fea69cb938be67a342be8f25bed074c3da9bb65efe.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:836
- C:\Users\Admin\AppData\Local\Temp\b971a918a3dd7165898f09fea69cb938be67a342be8f25bed074c3da9bb65efe.exe
  "C:\Users\Admin\AppData\Local\Temp\b971a918a3dd7165898f09fea69cb938be67a342be8f25bed074c3da9bb65efe.exe" Track="0001101000"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:856

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/856-55-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/856-54-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/856-58-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/856-57-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/856-61-0x0000000075531000-0x0000000075533000-memory.dmp

Filesize
8KB

Download
memory/856-62-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/856-63-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/856-64-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/856-65-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/856-66-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads