85cccb67617ed5f9c9bc5e9e9f581685c048918f68c6e67ef36a5c338a15ce69

Analysis

max time kernel
151s
max time network
166s
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 11:04

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General

Target

85cccb67617ed5f9c9bc5e9e9f581685c048918f68c6e67ef36a5c338a15ce69.exe
Size

935KB
MD5

2e92b402b2fe88f25a98089fd0b87dde
SHA1

6ab2fd5c6d9dbf98a2316c4c9f7a1bb0c92f83c8
SHA256

85cccb67617ed5f9c9bc5e9e9f581685c048918f68c6e67ef36a5c338a15ce69
SHA512

4496399a123373ba3d6be0fe99abbd757e00300b4daa17ee46d77fe37a619b2bcbb12b2ea2d4dec573d8629295f5dd570c779c3eac2d06e94190f9b2f8f2f16f
SSDEEP

12288:p5Yr15f753d5QWIDz/Wz9NCyzHinLipNDJ5eoFb0OZ/WiGaks+HL63S27x46:pyHv5Z+Wzv7AiBll0OBWi6si9GX

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/4944-133-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/4944-135-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/4944-136-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/4944-137-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/4944-138-0x0000000000400000-0x00000000004F2000-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	85cccb67617ed5f9c9bc5e9e9f581685c048918f68c6e67ef36a5c338a15ce69.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	85cccb67617ed5f9c9bc5e9e9f581685c048918f68c6e67ef36a5c338a15ce69.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	85cccb67617ed5f9c9bc5e9e9f581685c048918f68c6e67ef36a5c338a15ce69.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	85cccb67617ed5f9c9bc5e9e9f581685c048918f68c6e67ef36a5c338a15ce69.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1356 set thread context of 4944	1356	85cccb67617ed5f9c9bc5e9e9f581685c048918f68c6e67ef36a5c338a15ce69.exe	82

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4944	85cccb67617ed5f9c9bc5e9e9f581685c048918f68c6e67ef36a5c338a15ce69.exe
4944	85cccb67617ed5f9c9bc5e9e9f581685c048918f68c6e67ef36a5c338a15ce69.exe
4944	85cccb67617ed5f9c9bc5e9e9f581685c048918f68c6e67ef36a5c338a15ce69.exe
4944	85cccb67617ed5f9c9bc5e9e9f581685c048918f68c6e67ef36a5c338a15ce69.exe
4944	85cccb67617ed5f9c9bc5e9e9f581685c048918f68c6e67ef36a5c338a15ce69.exe
4944	85cccb67617ed5f9c9bc5e9e9f581685c048918f68c6e67ef36a5c338a15ce69.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1356 wrote to memory of 4944	1356	85cccb67617ed5f9c9bc5e9e9f581685c048918f68c6e67ef36a5c338a15ce69.exe	82
PID 1356 wrote to memory of 4944	1356	85cccb67617ed5f9c9bc5e9e9f581685c048918f68c6e67ef36a5c338a15ce69.exe	82
PID 1356 wrote to memory of 4944	1356	85cccb67617ed5f9c9bc5e9e9f581685c048918f68c6e67ef36a5c338a15ce69.exe	82
PID 1356 wrote to memory of 4944	1356	85cccb67617ed5f9c9bc5e9e9f581685c048918f68c6e67ef36a5c338a15ce69.exe	82
PID 1356 wrote to memory of 4944	1356	85cccb67617ed5f9c9bc5e9e9f581685c048918f68c6e67ef36a5c338a15ce69.exe	82
PID 1356 wrote to memory of 4944	1356	85cccb67617ed5f9c9bc5e9e9f581685c048918f68c6e67ef36a5c338a15ce69.exe	82
PID 1356 wrote to memory of 4944	1356	85cccb67617ed5f9c9bc5e9e9f581685c048918f68c6e67ef36a5c338a15ce69.exe	82
PID 1356 wrote to memory of 4944	1356	85cccb67617ed5f9c9bc5e9e9f581685c048918f68c6e67ef36a5c338a15ce69.exe	82

C:\Users\Admin\AppData\Local\Temp\85cccb67617ed5f9c9bc5e9e9f581685c048918f68c6e67ef36a5c338a15ce69.exe
"C:\Users\Admin\AppData\Local\Temp\85cccb67617ed5f9c9bc5e9e9f581685c048918f68c6e67ef36a5c338a15ce69.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1356
- C:\Users\Admin\AppData\Local\Temp\85cccb67617ed5f9c9bc5e9e9f581685c048918f68c6e67ef36a5c338a15ce69.exe
  "C:\Users\Admin\AppData\Local\Temp\85cccb67617ed5f9c9bc5e9e9f581685c048918f68c6e67ef36a5c338a15ce69.exe" Track="0001101000"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:4944

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/4944-132-0x0000000000000000-mapping.dmp

Download
memory/4944-133-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/4944-135-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/4944-136-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/4944-137-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/4944-138-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads