b446abbac647e0d0931e3cec393cbf495d0c5d557976a41f4ffdc29756e84887

Analysis

max time kernel
148s
max time network
155s
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, 09:04

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General

Target

b446abbac647e0d0931e3cec393cbf495d0c5d557976a41f4ffdc29756e84887.exe
Size

935KB
MD5

971be0696ab7ce19d55355bf977a7193
SHA1

826d1a906ba73a0a0473a627140824e6ef032997
SHA256

b446abbac647e0d0931e3cec393cbf495d0c5d557976a41f4ffdc29756e84887
SHA512

8b4b3bea283d969bfcfbb769f41c157559b67188e358321596760f665cb9b5f7d588dbc849b07fa9ef7594dd315e5b977eb7807a36faba1e25cea9938622ee7f
SSDEEP

12288:I5Yr15f753d5QWIDz/Wz9NCyzHinLipNDJ5eoFb0OZ/WiGaks+HL63S27x49:IyHv5Z+Wzv7AiBll0OBWi6si9G4

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/4288-133-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/4288-135-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/4288-136-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/4288-137-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/4288-138-0x0000000000400000-0x00000000004F2000-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	b446abbac647e0d0931e3cec393cbf495d0c5d557976a41f4ffdc29756e84887.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	b446abbac647e0d0931e3cec393cbf495d0c5d557976a41f4ffdc29756e84887.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	b446abbac647e0d0931e3cec393cbf495d0c5d557976a41f4ffdc29756e84887.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	b446abbac647e0d0931e3cec393cbf495d0c5d557976a41f4ffdc29756e84887.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2080 set thread context of 4288	2080	b446abbac647e0d0931e3cec393cbf495d0c5d557976a41f4ffdc29756e84887.exe	79

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4288	b446abbac647e0d0931e3cec393cbf495d0c5d557976a41f4ffdc29756e84887.exe
4288	b446abbac647e0d0931e3cec393cbf495d0c5d557976a41f4ffdc29756e84887.exe
4288	b446abbac647e0d0931e3cec393cbf495d0c5d557976a41f4ffdc29756e84887.exe
4288	b446abbac647e0d0931e3cec393cbf495d0c5d557976a41f4ffdc29756e84887.exe
4288	b446abbac647e0d0931e3cec393cbf495d0c5d557976a41f4ffdc29756e84887.exe
4288	b446abbac647e0d0931e3cec393cbf495d0c5d557976a41f4ffdc29756e84887.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2080 wrote to memory of 4288	2080	b446abbac647e0d0931e3cec393cbf495d0c5d557976a41f4ffdc29756e84887.exe	79
PID 2080 wrote to memory of 4288	2080	b446abbac647e0d0931e3cec393cbf495d0c5d557976a41f4ffdc29756e84887.exe	79
PID 2080 wrote to memory of 4288	2080	b446abbac647e0d0931e3cec393cbf495d0c5d557976a41f4ffdc29756e84887.exe	79
PID 2080 wrote to memory of 4288	2080	b446abbac647e0d0931e3cec393cbf495d0c5d557976a41f4ffdc29756e84887.exe	79
PID 2080 wrote to memory of 4288	2080	b446abbac647e0d0931e3cec393cbf495d0c5d557976a41f4ffdc29756e84887.exe	79
PID 2080 wrote to memory of 4288	2080	b446abbac647e0d0931e3cec393cbf495d0c5d557976a41f4ffdc29756e84887.exe	79
PID 2080 wrote to memory of 4288	2080	b446abbac647e0d0931e3cec393cbf495d0c5d557976a41f4ffdc29756e84887.exe	79
PID 2080 wrote to memory of 4288	2080	b446abbac647e0d0931e3cec393cbf495d0c5d557976a41f4ffdc29756e84887.exe	79

C:\Users\Admin\AppData\Local\Temp\b446abbac647e0d0931e3cec393cbf495d0c5d557976a41f4ffdc29756e84887.exe
"C:\Users\Admin\AppData\Local\Temp\b446abbac647e0d0931e3cec393cbf495d0c5d557976a41f4ffdc29756e84887.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2080
- C:\Users\Admin\AppData\Local\Temp\b446abbac647e0d0931e3cec393cbf495d0c5d557976a41f4ffdc29756e84887.exe
  "C:\Users\Admin\AppData\Local\Temp\b446abbac647e0d0931e3cec393cbf495d0c5d557976a41f4ffdc29756e84887.exe" Track="0001001000"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:4288

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/4288-133-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/4288-135-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/4288-136-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/4288-137-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/4288-138-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads