a3c6835534737dff164feb8bbfa71d3bb0eaebe84430ab4a31d955fc9b95842f

Analysis

max time kernel
41s
max time network
46s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
25/11/2022, 09:46

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General

Target

a3c6835534737dff164feb8bbfa71d3bb0eaebe84430ab4a31d955fc9b95842f.exe
Size

935KB
MD5

92082f988560a47f019bdb79a5bb7894
SHA1

9912b2dc385bb02a6d37e151e771cf3e57206b30
SHA256

a3c6835534737dff164feb8bbfa71d3bb0eaebe84430ab4a31d955fc9b95842f
SHA512

d834f50cccde873b57677513c324113e70fb2b514210501473a50eddc63ff767d6d51351936673b6cb14a14b0733018dfce788af6cf801431a245fd610eb34c0
SSDEEP

12288:J5Yr15f753d5QWIDz/Wz9NCyzHinLipNDJ5eoFb0OZ/WiGaks+HL63S27x4:JyHv5Z+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/1724-55-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1724-57-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1724-58-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1724-62-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1724-63-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1724-64-0x0000000000400000-0x00000000004F2000-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	a3c6835534737dff164feb8bbfa71d3bb0eaebe84430ab4a31d955fc9b95842f.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	a3c6835534737dff164feb8bbfa71d3bb0eaebe84430ab4a31d955fc9b95842f.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	a3c6835534737dff164feb8bbfa71d3bb0eaebe84430ab4a31d955fc9b95842f.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	a3c6835534737dff164feb8bbfa71d3bb0eaebe84430ab4a31d955fc9b95842f.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1112 set thread context of 1724	1112	a3c6835534737dff164feb8bbfa71d3bb0eaebe84430ab4a31d955fc9b95842f.exe	29

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1724	a3c6835534737dff164feb8bbfa71d3bb0eaebe84430ab4a31d955fc9b95842f.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1112 wrote to memory of 1724	1112	a3c6835534737dff164feb8bbfa71d3bb0eaebe84430ab4a31d955fc9b95842f.exe	29
PID 1112 wrote to memory of 1724	1112	a3c6835534737dff164feb8bbfa71d3bb0eaebe84430ab4a31d955fc9b95842f.exe	29
PID 1112 wrote to memory of 1724	1112	a3c6835534737dff164feb8bbfa71d3bb0eaebe84430ab4a31d955fc9b95842f.exe	29
PID 1112 wrote to memory of 1724	1112	a3c6835534737dff164feb8bbfa71d3bb0eaebe84430ab4a31d955fc9b95842f.exe	29
PID 1112 wrote to memory of 1724	1112	a3c6835534737dff164feb8bbfa71d3bb0eaebe84430ab4a31d955fc9b95842f.exe	29
PID 1112 wrote to memory of 1724	1112	a3c6835534737dff164feb8bbfa71d3bb0eaebe84430ab4a31d955fc9b95842f.exe	29
PID 1112 wrote to memory of 1724	1112	a3c6835534737dff164feb8bbfa71d3bb0eaebe84430ab4a31d955fc9b95842f.exe	29
PID 1112 wrote to memory of 1724	1112	a3c6835534737dff164feb8bbfa71d3bb0eaebe84430ab4a31d955fc9b95842f.exe	29

C:\Users\Admin\AppData\Local\Temp\a3c6835534737dff164feb8bbfa71d3bb0eaebe84430ab4a31d955fc9b95842f.exe
"C:\Users\Admin\AppData\Local\Temp\a3c6835534737dff164feb8bbfa71d3bb0eaebe84430ab4a31d955fc9b95842f.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1112
- C:\Users\Admin\AppData\Local\Temp\a3c6835534737dff164feb8bbfa71d3bb0eaebe84430ab4a31d955fc9b95842f.exe
  "C:\Users\Admin\AppData\Local\Temp\a3c6835534737dff164feb8bbfa71d3bb0eaebe84430ab4a31d955fc9b95842f.exe" Track="0001001000"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:1724

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/1724-55-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1724-54-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1724-57-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1724-58-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1724-61-0x0000000074D61000-0x0000000074D63000-memory.dmp

Filesize
8KB

Download
memory/1724-62-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1724-63-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1724-64-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads