b895642500d96999b25440cb432e59170a0400af9b43e493a14f4d7d591e3561

Analysis

max time kernel
90s
max time network
155s
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, 08:52

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General

Target

b895642500d96999b25440cb432e59170a0400af9b43e493a14f4d7d591e3561.exe
Size

935KB
MD5

75d9b6d6575a038350d88b061c5ff5f6
SHA1

dfafb170acea84f66b1382df3253be76f82b90c9
SHA256

b895642500d96999b25440cb432e59170a0400af9b43e493a14f4d7d591e3561
SHA512

fde245b948152944fc391c0647d2631c27b64a852c96051f3d5c49a05ce046161790f72a23794e592c43ab5f4e7e842a46e2e42c1ff583c156415a802f6626fc
SSDEEP

12288:Z5Yr15f753d5QWIDz/Wz9NCyzHinLipNDJ5eoFb0OZ/WiGaks+HL63S27x4T:ZyHv5Z+Wzv7AiBll0OBWi6si9Gq

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/4208-133-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/4208-135-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/4208-136-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/4208-137-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/4208-138-0x0000000000400000-0x00000000004F2000-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	b895642500d96999b25440cb432e59170a0400af9b43e493a14f4d7d591e3561.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	b895642500d96999b25440cb432e59170a0400af9b43e493a14f4d7d591e3561.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 value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	b895642500d96999b25440cb432e59170a0400af9b43e493a14f4d7d591e3561.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	b895642500d96999b25440cb432e59170a0400af9b43e493a14f4d7d591e3561.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4752 set thread context of 4208	4752	b895642500d96999b25440cb432e59170a0400af9b43e493a14f4d7d591e3561.exe	82

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4208	b895642500d96999b25440cb432e59170a0400af9b43e493a14f4d7d591e3561.exe
4208	b895642500d96999b25440cb432e59170a0400af9b43e493a14f4d7d591e3561.exe
4208	b895642500d96999b25440cb432e59170a0400af9b43e493a14f4d7d591e3561.exe
4208	b895642500d96999b25440cb432e59170a0400af9b43e493a14f4d7d591e3561.exe
4208	b895642500d96999b25440cb432e59170a0400af9b43e493a14f4d7d591e3561.exe
4208	b895642500d96999b25440cb432e59170a0400af9b43e493a14f4d7d591e3561.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4752 wrote to memory of 4208	4752	b895642500d96999b25440cb432e59170a0400af9b43e493a14f4d7d591e3561.exe	82
PID 4752 wrote to memory of 4208	4752	b895642500d96999b25440cb432e59170a0400af9b43e493a14f4d7d591e3561.exe	82
PID 4752 wrote to memory of 4208	4752	b895642500d96999b25440cb432e59170a0400af9b43e493a14f4d7d591e3561.exe	82
PID 4752 wrote to memory of 4208	4752	b895642500d96999b25440cb432e59170a0400af9b43e493a14f4d7d591e3561.exe	82
PID 4752 wrote to memory of 4208	4752	b895642500d96999b25440cb432e59170a0400af9b43e493a14f4d7d591e3561.exe	82
PID 4752 wrote to memory of 4208	4752	b895642500d96999b25440cb432e59170a0400af9b43e493a14f4d7d591e3561.exe	82
PID 4752 wrote to memory of 4208	4752	b895642500d96999b25440cb432e59170a0400af9b43e493a14f4d7d591e3561.exe	82
PID 4752 wrote to memory of 4208	4752	b895642500d96999b25440cb432e59170a0400af9b43e493a14f4d7d591e3561.exe	82

C:\Users\Admin\AppData\Local\Temp\b895642500d96999b25440cb432e59170a0400af9b43e493a14f4d7d591e3561.exe
"C:\Users\Admin\AppData\Local\Temp\b895642500d96999b25440cb432e59170a0400af9b43e493a14f4d7d591e3561.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4752
- C:\Users\Admin\AppData\Local\Temp\b895642500d96999b25440cb432e59170a0400af9b43e493a14f4d7d591e3561.exe
  "C:\Users\Admin\AppData\Local\Temp\b895642500d96999b25440cb432e59170a0400af9b43e493a14f4d7d591e3561.exe" Track="0001001000"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:4208

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/4208-133-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/4208-135-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/4208-136-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/4208-137-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/4208-138-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads