b1bf1b839233d6bc833970d9e5ecc1df9f505a6b5e2aaee756e767339a2c4fe4

Analysis

max time kernel
138s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
27/11/2022, 05:03

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General

Target

b1bf1b839233d6bc833970d9e5ecc1df9f505a6b5e2aaee756e767339a2c4fe4.exe
Size

853KB
MD5

2250c281148fd38deb3f830c2718a487
SHA1

0ad177da0e51b0228439b27f6c2db87b6a968749
SHA256

b1bf1b839233d6bc833970d9e5ecc1df9f505a6b5e2aaee756e767339a2c4fe4
SHA512

bc25a47738b295f691a43346ee688fdfe5bd5e2188725ae85be137c4a46133ca78adaeda090a123e70fa0cc58a9fbb1aa0dac78b050a5272a458cd3a2f4cb6c5
SSDEEP

24576:1Yq2/9nnr5cDNsOQfKJL9ki1arPvi/cjaBYfvk:mqaxyDC2JmSoPvikO8k

Score

7^/10

Malware Config

Signatures

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	b1bf1b839233d6bc833970d9e5ecc1df9f505a6b5e2aaee756e767339a2c4fe4.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	b1bf1b839233d6bc833970d9e5ecc1df9f505a6b5e2aaee756e767339a2c4fe4.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	b1bf1b839233d6bc833970d9e5ecc1df9f505a6b5e2aaee756e767339a2c4fe4.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	b1bf1b839233d6bc833970d9e5ecc1df9f505a6b5e2aaee756e767339a2c4fe4.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3416 set thread context of 2248	3416	b1bf1b839233d6bc833970d9e5ecc1df9f505a6b5e2aaee756e767339a2c4fe4.exe	83

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2248	b1bf1b839233d6bc833970d9e5ecc1df9f505a6b5e2aaee756e767339a2c4fe4.exe
2248	b1bf1b839233d6bc833970d9e5ecc1df9f505a6b5e2aaee756e767339a2c4fe4.exe
2248	b1bf1b839233d6bc833970d9e5ecc1df9f505a6b5e2aaee756e767339a2c4fe4.exe
2248	b1bf1b839233d6bc833970d9e5ecc1df9f505a6b5e2aaee756e767339a2c4fe4.exe
2248	b1bf1b839233d6bc833970d9e5ecc1df9f505a6b5e2aaee756e767339a2c4fe4.exe
2248	b1bf1b839233d6bc833970d9e5ecc1df9f505a6b5e2aaee756e767339a2c4fe4.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3416 wrote to memory of 2248	3416	b1bf1b839233d6bc833970d9e5ecc1df9f505a6b5e2aaee756e767339a2c4fe4.exe	83
PID 3416 wrote to memory of 2248	3416	b1bf1b839233d6bc833970d9e5ecc1df9f505a6b5e2aaee756e767339a2c4fe4.exe	83
PID 3416 wrote to memory of 2248	3416	b1bf1b839233d6bc833970d9e5ecc1df9f505a6b5e2aaee756e767339a2c4fe4.exe	83
PID 3416 wrote to memory of 2248	3416	b1bf1b839233d6bc833970d9e5ecc1df9f505a6b5e2aaee756e767339a2c4fe4.exe	83
PID 3416 wrote to memory of 2248	3416	b1bf1b839233d6bc833970d9e5ecc1df9f505a6b5e2aaee756e767339a2c4fe4.exe	83
PID 3416 wrote to memory of 2248	3416	b1bf1b839233d6bc833970d9e5ecc1df9f505a6b5e2aaee756e767339a2c4fe4.exe	83
PID 3416 wrote to memory of 2248	3416	b1bf1b839233d6bc833970d9e5ecc1df9f505a6b5e2aaee756e767339a2c4fe4.exe	83
PID 3416 wrote to memory of 2248	3416	b1bf1b839233d6bc833970d9e5ecc1df9f505a6b5e2aaee756e767339a2c4fe4.exe	83
PID 3416 wrote to memory of 2248	3416	b1bf1b839233d6bc833970d9e5ecc1df9f505a6b5e2aaee756e767339a2c4fe4.exe	83
PID 3416 wrote to memory of 2248	3416	b1bf1b839233d6bc833970d9e5ecc1df9f505a6b5e2aaee756e767339a2c4fe4.exe	83

C:\Users\Admin\AppData\Local\Temp\b1bf1b839233d6bc833970d9e5ecc1df9f505a6b5e2aaee756e767339a2c4fe4.exe
"C:\Users\Admin\AppData\Local\Temp\b1bf1b839233d6bc833970d9e5ecc1df9f505a6b5e2aaee756e767339a2c4fe4.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3416
- C:\Users\Admin\AppData\Local\Temp\b1bf1b839233d6bc833970d9e5ecc1df9f505a6b5e2aaee756e767339a2c4fe4.exe
  "C:\Users\Admin\AppData\Local\Temp\b1bf1b839233d6bc833970d9e5ecc1df9f505a6b5e2aaee756e767339a2c4fe4.exe" Track="0001001000"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:2248

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/2248-135-0x0000000000400000-0x0000000000522000-memory.dmp

Filesize
1.1MB

Download
memory/2248-136-0x0000000000400000-0x0000000000522000-memory.dmp

Filesize
1.1MB

Download
memory/2248-138-0x0000000000400000-0x0000000000522000-memory.dmp

Filesize
1.1MB

Download
memory/2248-139-0x0000000000400000-0x0000000000522000-memory.dmp

Filesize
1.1MB

Download
memory/2248-140-0x0000000000400000-0x0000000000522000-memory.dmp

Filesize
1.1MB

Download
memory/3416-132-0x0000000000400000-0x000000000051C000-memory.dmp

Filesize
1.1MB

Download
memory/3416-133-0x00000000006C0000-0x00000000006C3000-memory.dmp

Filesize
12KB

Download
memory/3416-137-0x0000000000400000-0x000000000051C000-memory.dmp

Filesize
1.1MB

Download

Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads