a1c2794605c1e445800a4c14896f40bc7b53262faf42cdee953cb9bd6b9d0b3d

Analysis

max time kernel
44s
max time network
72s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
25-11-2022 09:51

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

a1c2794605c1e445800a4c14896f40bc7b53262faf42cdee953cb9bd6b9d0b3d.exe
Size

935KB
MD5

c3c9c493dc15127ecf9a2e49d753f59e
SHA1

63524331a9c84263335a957bedf04daefd4ebd73
SHA256

a1c2794605c1e445800a4c14896f40bc7b53262faf42cdee953cb9bd6b9d0b3d
SHA512

406438f3b674d043c13b40de32b4859f001b98d53e78d6c9ea866122d3c0fb6fa84b1ddcb703ca9f6b1aaf28ae0acb83d46a177a8ee215cb0fe059fa2be43b26
SSDEEP

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

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
behavioral1/memory/1272-55-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1272-57-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1272-58-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1272-62-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1272-63-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1272-64-0x0000000000400000-0x00000000004F2000-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	a1c2794605c1e445800a4c14896f40bc7b53262faf42cdee953cb9bd6b9d0b3d.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	a1c2794605c1e445800a4c14896f40bc7b53262faf42cdee953cb9bd6b9d0b3d.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	a1c2794605c1e445800a4c14896f40bc7b53262faf42cdee953cb9bd6b9d0b3d.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	a1c2794605c1e445800a4c14896f40bc7b53262faf42cdee953cb9bd6b9d0b3d.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1244 set thread context of 1272	1244	a1c2794605c1e445800a4c14896f40bc7b53262faf42cdee953cb9bd6b9d0b3d.exe	29

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1272	a1c2794605c1e445800a4c14896f40bc7b53262faf42cdee953cb9bd6b9d0b3d.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1244 wrote to memory of 1272	1244	a1c2794605c1e445800a4c14896f40bc7b53262faf42cdee953cb9bd6b9d0b3d.exe	29
PID 1244 wrote to memory of 1272	1244	a1c2794605c1e445800a4c14896f40bc7b53262faf42cdee953cb9bd6b9d0b3d.exe	29
PID 1244 wrote to memory of 1272	1244	a1c2794605c1e445800a4c14896f40bc7b53262faf42cdee953cb9bd6b9d0b3d.exe	29
PID 1244 wrote to memory of 1272	1244	a1c2794605c1e445800a4c14896f40bc7b53262faf42cdee953cb9bd6b9d0b3d.exe	29
PID 1244 wrote to memory of 1272	1244	a1c2794605c1e445800a4c14896f40bc7b53262faf42cdee953cb9bd6b9d0b3d.exe	29
PID 1244 wrote to memory of 1272	1244	a1c2794605c1e445800a4c14896f40bc7b53262faf42cdee953cb9bd6b9d0b3d.exe	29
PID 1244 wrote to memory of 1272	1244	a1c2794605c1e445800a4c14896f40bc7b53262faf42cdee953cb9bd6b9d0b3d.exe	29
PID 1244 wrote to memory of 1272	1244	a1c2794605c1e445800a4c14896f40bc7b53262faf42cdee953cb9bd6b9d0b3d.exe	29

C:\Users\Admin\AppData\Local\Temp\a1c2794605c1e445800a4c14896f40bc7b53262faf42cdee953cb9bd6b9d0b3d.exe
"C:\Users\Admin\AppData\Local\Temp\a1c2794605c1e445800a4c14896f40bc7b53262faf42cdee953cb9bd6b9d0b3d.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1244
- C:\Users\Admin\AppData\Local\Temp\a1c2794605c1e445800a4c14896f40bc7b53262faf42cdee953cb9bd6b9d0b3d.exe
  "C:\Users\Admin\AppData\Local\Temp\a1c2794605c1e445800a4c14896f40bc7b53262faf42cdee953cb9bd6b9d0b3d.exe" Track="0001001000"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:1272

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1272-54-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1272-55-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1272-57-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1272-58-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1272-61-0x0000000076531000-0x0000000076533000-memory.dmp

Filesize
8KB

Download
memory/1272-62-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1272-63-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1272-64-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads