a3779c8b786fa364845ad8a4324a5202eeb4efc9d09f7b4be8d13ad9a16c0597

Analysis

max time kernel
163s
max time network
184s
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, 09:47

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General

Target

a3779c8b786fa364845ad8a4324a5202eeb4efc9d09f7b4be8d13ad9a16c0597.exe
Size

935KB
MD5

c316c42480b25bbee49b0a20cdb40126
SHA1

4b16d04caa79c9fe76e163e13bd6aef7653ab3dd
SHA256

a3779c8b786fa364845ad8a4324a5202eeb4efc9d09f7b4be8d13ad9a16c0597
SHA512

863a9c236c3ea5c9fd07f3d069754e65d7a717e3d395d76cd1ebe141ebb0953d9aabddb90b277d3c4fa051d05f4d64d3565decd810db85717ea8fa9fcdb72075
SSDEEP

12288:p5Yr15f753d5QWIDz/Wz9NCyzHinLipNDJ5eoFb0OZ/WiGaks+HL63S27x4M:pyHv5Z+Wzv7AiBll0OBWi6si9Gt

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/4300-133-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/4300-135-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/4300-136-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/4300-137-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/4300-138-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/4300-139-0x0000000000400000-0x00000000004F2000-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\SystemBiosVersion	a3779c8b786fa364845ad8a4324a5202eeb4efc9d09f7b4be8d13ad9a16c0597.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	a3779c8b786fa364845ad8a4324a5202eeb4efc9d09f7b4be8d13ad9a16c0597.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	a3779c8b786fa364845ad8a4324a5202eeb4efc9d09f7b4be8d13ad9a16c0597.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	a3779c8b786fa364845ad8a4324a5202eeb4efc9d09f7b4be8d13ad9a16c0597.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1484 set thread context of 4300	1484	a3779c8b786fa364845ad8a4324a5202eeb4efc9d09f7b4be8d13ad9a16c0597.exe	79

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4300	a3779c8b786fa364845ad8a4324a5202eeb4efc9d09f7b4be8d13ad9a16c0597.exe
4300	a3779c8b786fa364845ad8a4324a5202eeb4efc9d09f7b4be8d13ad9a16c0597.exe
4300	a3779c8b786fa364845ad8a4324a5202eeb4efc9d09f7b4be8d13ad9a16c0597.exe
4300	a3779c8b786fa364845ad8a4324a5202eeb4efc9d09f7b4be8d13ad9a16c0597.exe
4300	a3779c8b786fa364845ad8a4324a5202eeb4efc9d09f7b4be8d13ad9a16c0597.exe
4300	a3779c8b786fa364845ad8a4324a5202eeb4efc9d09f7b4be8d13ad9a16c0597.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1484 wrote to memory of 4300	1484	a3779c8b786fa364845ad8a4324a5202eeb4efc9d09f7b4be8d13ad9a16c0597.exe	79
PID 1484 wrote to memory of 4300	1484	a3779c8b786fa364845ad8a4324a5202eeb4efc9d09f7b4be8d13ad9a16c0597.exe	79
PID 1484 wrote to memory of 4300	1484	a3779c8b786fa364845ad8a4324a5202eeb4efc9d09f7b4be8d13ad9a16c0597.exe	79
PID 1484 wrote to memory of 4300	1484	a3779c8b786fa364845ad8a4324a5202eeb4efc9d09f7b4be8d13ad9a16c0597.exe	79
PID 1484 wrote to memory of 4300	1484	a3779c8b786fa364845ad8a4324a5202eeb4efc9d09f7b4be8d13ad9a16c0597.exe	79
PID 1484 wrote to memory of 4300	1484	a3779c8b786fa364845ad8a4324a5202eeb4efc9d09f7b4be8d13ad9a16c0597.exe	79
PID 1484 wrote to memory of 4300	1484	a3779c8b786fa364845ad8a4324a5202eeb4efc9d09f7b4be8d13ad9a16c0597.exe	79
PID 1484 wrote to memory of 4300	1484	a3779c8b786fa364845ad8a4324a5202eeb4efc9d09f7b4be8d13ad9a16c0597.exe	79

C:\Users\Admin\AppData\Local\Temp\a3779c8b786fa364845ad8a4324a5202eeb4efc9d09f7b4be8d13ad9a16c0597.exe
"C:\Users\Admin\AppData\Local\Temp\a3779c8b786fa364845ad8a4324a5202eeb4efc9d09f7b4be8d13ad9a16c0597.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1484
- C:\Users\Admin\AppData\Local\Temp\a3779c8b786fa364845ad8a4324a5202eeb4efc9d09f7b4be8d13ad9a16c0597.exe
  "C:\Users\Admin\AppData\Local\Temp\a3779c8b786fa364845ad8a4324a5202eeb4efc9d09f7b4be8d13ad9a16c0597.exe" Track="0001001000"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:4300

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/4300-133-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/4300-135-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/4300-136-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/4300-137-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/4300-138-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/4300-139-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads