27cebec5933cba8caec98c6a01f2a2ab99040ba5582e380c5f24e00cdc7ba57c

Analysis

max time kernel
106s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
25/11/2022, 15:05

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General

Target

27cebec5933cba8caec98c6a01f2a2ab99040ba5582e380c5f24e00cdc7ba57c.exe
Size

935KB
MD5

72a565f6432acd586d3c9ca44b8292b4
SHA1

14d70520734e434dcef2578867e3ab9083a60be3
SHA256

27cebec5933cba8caec98c6a01f2a2ab99040ba5582e380c5f24e00cdc7ba57c
SHA512

3389340ce78494ca71318293a92123b0f8f6aebebe2602501b3642b26fd08472c2f98ded44c6d5e51f7a2e8a2f5ecf6ac4560e6da929c07f0dd74d4ecc3c88e4
SSDEEP

12288:J5Yr15f753d5QWIDz/Wz9NCyzHinLipNDJ5eoFb0OZ/WiGaks+HL63S27x4:JyHv5Z+Wzv7AiBll0OBWi6si9G

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/1736-133-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/1736-135-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/1736-136-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/1736-137-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/1736-138-0x0000000000400000-0x00000000004F2000-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\VideoBiosVersion	27cebec5933cba8caec98c6a01f2a2ab99040ba5582e380c5f24e00cdc7ba57c.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	27cebec5933cba8caec98c6a01f2a2ab99040ba5582e380c5f24e00cdc7ba57c.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	27cebec5933cba8caec98c6a01f2a2ab99040ba5582e380c5f24e00cdc7ba57c.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	27cebec5933cba8caec98c6a01f2a2ab99040ba5582e380c5f24e00cdc7ba57c.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4840 set thread context of 1736	4840	27cebec5933cba8caec98c6a01f2a2ab99040ba5582e380c5f24e00cdc7ba57c.exe	83

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1736	27cebec5933cba8caec98c6a01f2a2ab99040ba5582e380c5f24e00cdc7ba57c.exe
1736	27cebec5933cba8caec98c6a01f2a2ab99040ba5582e380c5f24e00cdc7ba57c.exe
1736	27cebec5933cba8caec98c6a01f2a2ab99040ba5582e380c5f24e00cdc7ba57c.exe
1736	27cebec5933cba8caec98c6a01f2a2ab99040ba5582e380c5f24e00cdc7ba57c.exe
1736	27cebec5933cba8caec98c6a01f2a2ab99040ba5582e380c5f24e00cdc7ba57c.exe
1736	27cebec5933cba8caec98c6a01f2a2ab99040ba5582e380c5f24e00cdc7ba57c.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4840 wrote to memory of 1736	4840	27cebec5933cba8caec98c6a01f2a2ab99040ba5582e380c5f24e00cdc7ba57c.exe	83
PID 4840 wrote to memory of 1736	4840	27cebec5933cba8caec98c6a01f2a2ab99040ba5582e380c5f24e00cdc7ba57c.exe	83
PID 4840 wrote to memory of 1736	4840	27cebec5933cba8caec98c6a01f2a2ab99040ba5582e380c5f24e00cdc7ba57c.exe	83
PID 4840 wrote to memory of 1736	4840	27cebec5933cba8caec98c6a01f2a2ab99040ba5582e380c5f24e00cdc7ba57c.exe	83
PID 4840 wrote to memory of 1736	4840	27cebec5933cba8caec98c6a01f2a2ab99040ba5582e380c5f24e00cdc7ba57c.exe	83
PID 4840 wrote to memory of 1736	4840	27cebec5933cba8caec98c6a01f2a2ab99040ba5582e380c5f24e00cdc7ba57c.exe	83
PID 4840 wrote to memory of 1736	4840	27cebec5933cba8caec98c6a01f2a2ab99040ba5582e380c5f24e00cdc7ba57c.exe	83
PID 4840 wrote to memory of 1736	4840	27cebec5933cba8caec98c6a01f2a2ab99040ba5582e380c5f24e00cdc7ba57c.exe	83

C:\Users\Admin\AppData\Local\Temp\27cebec5933cba8caec98c6a01f2a2ab99040ba5582e380c5f24e00cdc7ba57c.exe
"C:\Users\Admin\AppData\Local\Temp\27cebec5933cba8caec98c6a01f2a2ab99040ba5582e380c5f24e00cdc7ba57c.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4840
- C:\Users\Admin\AppData\Local\Temp\27cebec5933cba8caec98c6a01f2a2ab99040ba5582e380c5f24e00cdc7ba57c.exe
  "C:\Users\Admin\AppData\Local\Temp\27cebec5933cba8caec98c6a01f2a2ab99040ba5582e380c5f24e00cdc7ba57c.exe" Track="0001001000"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:1736

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/1736-133-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1736-135-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1736-136-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1736-137-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1736-138-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads