b1d965880c928160e11c58937977093eec737f83dbd5090a8f1ac6f94cc6fd1d

Analysis

max time kernel
163s
max time network
186s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
27/11/2022, 13:29

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General

Target

b1d965880c928160e11c58937977093eec737f83dbd5090a8f1ac6f94cc6fd1d.exe
Size

1.3MB
MD5

81d4072a140f9a5debe0121cd2cf165d
SHA1

34de1311528f27335e6600db204eaaa834452e7a
SHA256

b1d965880c928160e11c58937977093eec737f83dbd5090a8f1ac6f94cc6fd1d
SHA512

eed8870f57946b83167c5aa74d9e18a4518664babd3c472455a4d6697423ef93b78e773bf78002a2a3557819d4f65de019fac14014291e00ca152a1e97572c61
SSDEEP

24576:5AAy23Cgs8SRqtgSmo64NmgDUCsLABeeUuSHUzY5IjqwI8IxOkz:5nyUTRSnSmo6dnzieeUuSKY5Ijqj8Ix

Score

8^/10

upx

Malware Config

Signatures

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2316-132-0x0000000000400000-0x0000000000586000-memory.dmp	upx
behavioral2/memory/2316-136-0x0000000000400000-0x0000000000586000-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	b1d965880c928160e11c58937977093eec737f83dbd5090a8f1ac6f94cc6fd1d.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	b1d965880c928160e11c58937977093eec737f83dbd5090a8f1ac6f94cc6fd1d.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	b1d965880c928160e11c58937977093eec737f83dbd5090a8f1ac6f94cc6fd1d.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	b1d965880c928160e11c58937977093eec737f83dbd5090a8f1ac6f94cc6fd1d.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2316 set thread context of 4336	2316	b1d965880c928160e11c58937977093eec737f83dbd5090a8f1ac6f94cc6fd1d.exe	80

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4336	b1d965880c928160e11c58937977093eec737f83dbd5090a8f1ac6f94cc6fd1d.exe
4336	b1d965880c928160e11c58937977093eec737f83dbd5090a8f1ac6f94cc6fd1d.exe
4336	b1d965880c928160e11c58937977093eec737f83dbd5090a8f1ac6f94cc6fd1d.exe
4336	b1d965880c928160e11c58937977093eec737f83dbd5090a8f1ac6f94cc6fd1d.exe
4336	b1d965880c928160e11c58937977093eec737f83dbd5090a8f1ac6f94cc6fd1d.exe
4336	b1d965880c928160e11c58937977093eec737f83dbd5090a8f1ac6f94cc6fd1d.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2316 wrote to memory of 4336	2316	b1d965880c928160e11c58937977093eec737f83dbd5090a8f1ac6f94cc6fd1d.exe	80
PID 2316 wrote to memory of 4336	2316	b1d965880c928160e11c58937977093eec737f83dbd5090a8f1ac6f94cc6fd1d.exe	80
PID 2316 wrote to memory of 4336	2316	b1d965880c928160e11c58937977093eec737f83dbd5090a8f1ac6f94cc6fd1d.exe	80
PID 2316 wrote to memory of 4336	2316	b1d965880c928160e11c58937977093eec737f83dbd5090a8f1ac6f94cc6fd1d.exe	80
PID 2316 wrote to memory of 4336	2316	b1d965880c928160e11c58937977093eec737f83dbd5090a8f1ac6f94cc6fd1d.exe	80
PID 2316 wrote to memory of 4336	2316	b1d965880c928160e11c58937977093eec737f83dbd5090a8f1ac6f94cc6fd1d.exe	80
PID 2316 wrote to memory of 4336	2316	b1d965880c928160e11c58937977093eec737f83dbd5090a8f1ac6f94cc6fd1d.exe	80
PID 2316 wrote to memory of 4336	2316	b1d965880c928160e11c58937977093eec737f83dbd5090a8f1ac6f94cc6fd1d.exe	80
PID 2316 wrote to memory of 4336	2316	b1d965880c928160e11c58937977093eec737f83dbd5090a8f1ac6f94cc6fd1d.exe	80
PID 2316 wrote to memory of 4336	2316	b1d965880c928160e11c58937977093eec737f83dbd5090a8f1ac6f94cc6fd1d.exe	80

C:\Users\Admin\AppData\Local\Temp\b1d965880c928160e11c58937977093eec737f83dbd5090a8f1ac6f94cc6fd1d.exe
"C:\Users\Admin\AppData\Local\Temp\b1d965880c928160e11c58937977093eec737f83dbd5090a8f1ac6f94cc6fd1d.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2316
- C:\Users\Admin\AppData\Local\Temp\b1d965880c928160e11c58937977093eec737f83dbd5090a8f1ac6f94cc6fd1d.exe
  "C:\Users\Admin\AppData\Local\Temp\b1d965880c928160e11c58937977093eec737f83dbd5090a8f1ac6f94cc6fd1d.exe" Track="0001001000"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:4336

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/2316-132-0x0000000000400000-0x0000000000586000-memory.dmp

Filesize
1.5MB

Download
memory/2316-136-0x0000000000400000-0x0000000000586000-memory.dmp

Filesize
1.5MB

Download
memory/4336-134-0x0000000000400000-0x00000000004F6000-memory.dmp

Filesize
984KB

Download
memory/4336-135-0x0000000000400000-0x00000000004F6000-memory.dmp

Filesize
984KB

Download
memory/4336-137-0x0000000000400000-0x00000000004F6000-memory.dmp

Filesize
984KB

Download
memory/4336-138-0x0000000000400000-0x00000000004F6000-memory.dmp

Filesize
984KB

Download
memory/4336-139-0x0000000000400000-0x00000000004F6000-memory.dmp

Filesize
984KB

Download
memory/4336-140-0x0000000000400000-0x00000000004F6000-memory.dmp

Filesize
984KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads