51a36e9ef8b98aa1e71379e75b624a53992d8ed8d3b8e16c4fa128f670e23dd1

Analysis

max time kernel
164s
max time network
176s
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 13:17

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General

Target

51a36e9ef8b98aa1e71379e75b624a53992d8ed8d3b8e16c4fa128f670e23dd1.exe
Size

935KB
MD5

9d5d8ebe2b49fb08fc90d76330903140
SHA1

8a6c7aa97049127eb126f4af9e754b884dd05f81
SHA256

51a36e9ef8b98aa1e71379e75b624a53992d8ed8d3b8e16c4fa128f670e23dd1
SHA512

e961ccb580f0def993aac6c70aa222f3f3bf85170f226bbf3e2cd4a19c3977701f82640714329174b1c54248eec7f58ae65a701d60c4c5a611cd9ab3d35f2133
SSDEEP

12288:o5Yr15f753d5QWIDz/Wz9NCyzHinLipNDJ5eoFb0OZ/WiGaks+HL63S27x4R:oyHv5Z+Wzv7AiBll0OBWi6si9Gc

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/2876-133-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/2876-135-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/2876-136-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/2876-137-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/2876-138-0x0000000000400000-0x00000000004F2000-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	51a36e9ef8b98aa1e71379e75b624a53992d8ed8d3b8e16c4fa128f670e23dd1.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	51a36e9ef8b98aa1e71379e75b624a53992d8ed8d3b8e16c4fa128f670e23dd1.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	51a36e9ef8b98aa1e71379e75b624a53992d8ed8d3b8e16c4fa128f670e23dd1.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	51a36e9ef8b98aa1e71379e75b624a53992d8ed8d3b8e16c4fa128f670e23dd1.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2276 set thread context of 2876	2276	51a36e9ef8b98aa1e71379e75b624a53992d8ed8d3b8e16c4fa128f670e23dd1.exe	80

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2876	51a36e9ef8b98aa1e71379e75b624a53992d8ed8d3b8e16c4fa128f670e23dd1.exe
2876	51a36e9ef8b98aa1e71379e75b624a53992d8ed8d3b8e16c4fa128f670e23dd1.exe
2876	51a36e9ef8b98aa1e71379e75b624a53992d8ed8d3b8e16c4fa128f670e23dd1.exe
2876	51a36e9ef8b98aa1e71379e75b624a53992d8ed8d3b8e16c4fa128f670e23dd1.exe
2876	51a36e9ef8b98aa1e71379e75b624a53992d8ed8d3b8e16c4fa128f670e23dd1.exe
2876	51a36e9ef8b98aa1e71379e75b624a53992d8ed8d3b8e16c4fa128f670e23dd1.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2276 wrote to memory of 2876	2276	51a36e9ef8b98aa1e71379e75b624a53992d8ed8d3b8e16c4fa128f670e23dd1.exe	80
PID 2276 wrote to memory of 2876	2276	51a36e9ef8b98aa1e71379e75b624a53992d8ed8d3b8e16c4fa128f670e23dd1.exe	80
PID 2276 wrote to memory of 2876	2276	51a36e9ef8b98aa1e71379e75b624a53992d8ed8d3b8e16c4fa128f670e23dd1.exe	80
PID 2276 wrote to memory of 2876	2276	51a36e9ef8b98aa1e71379e75b624a53992d8ed8d3b8e16c4fa128f670e23dd1.exe	80
PID 2276 wrote to memory of 2876	2276	51a36e9ef8b98aa1e71379e75b624a53992d8ed8d3b8e16c4fa128f670e23dd1.exe	80
PID 2276 wrote to memory of 2876	2276	51a36e9ef8b98aa1e71379e75b624a53992d8ed8d3b8e16c4fa128f670e23dd1.exe	80
PID 2276 wrote to memory of 2876	2276	51a36e9ef8b98aa1e71379e75b624a53992d8ed8d3b8e16c4fa128f670e23dd1.exe	80
PID 2276 wrote to memory of 2876	2276	51a36e9ef8b98aa1e71379e75b624a53992d8ed8d3b8e16c4fa128f670e23dd1.exe	80

C:\Users\Admin\AppData\Local\Temp\51a36e9ef8b98aa1e71379e75b624a53992d8ed8d3b8e16c4fa128f670e23dd1.exe
"C:\Users\Admin\AppData\Local\Temp\51a36e9ef8b98aa1e71379e75b624a53992d8ed8d3b8e16c4fa128f670e23dd1.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2276
- C:\Users\Admin\AppData\Local\Temp\51a36e9ef8b98aa1e71379e75b624a53992d8ed8d3b8e16c4fa128f670e23dd1.exe
  "C:\Users\Admin\AppData\Local\Temp\51a36e9ef8b98aa1e71379e75b624a53992d8ed8d3b8e16c4fa128f670e23dd1.exe" Track="0001001000"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:2876

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/2876-133-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/2876-135-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/2876-136-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/2876-137-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/2876-138-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads