8fdfd376210243452f0f824b51472ddfaf1b2a621a9dc1014a6fe2cb16d740fa

Analysis

max time kernel
154s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
12/10/2023, 01:38

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General

Target

8fdfd376210243452f0f824b51472ddfaf1b2a621a9dc1014a6fe2cb16d740fa.exe
Size

198KB
MD5

84d7a0535f63934a74bb793ebe1360c3
SHA1

a4a55f4a4355120e562da1043a688ed851d4bf8c
SHA256

8fdfd376210243452f0f824b51472ddfaf1b2a621a9dc1014a6fe2cb16d740fa
SHA512

5f1e8be51c4761733add5b22923311c14e8e75e3b64abe7b4bd84b3ec38f62b9ee51e829e55d340ab90d81f7cb4ac36e07cda90408e84fbf0863fc635be4dfc5
SSDEEP

6144:rBs27MMLyX5HXXXDTXXXOGqIII+pXXX5AYjKXXXDoXXXG6XXXxXXXLIIIEAkOCOU:rK20HXXX/XXXFqIIIcXXX5j2XXXcXXXh

Score

7^/10

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1574508946-349927670-1185736483-1000\Control Panel\International\Geo\Nation	8fdfd376210243452f0f824b51472ddfaf1b2a621a9dc1014a6fe2cb16d740fa.exe

Executes dropped EXE 1 IoCs

pid	Process
2664	bqchost.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Debug\bqchost.exe	8fdfd376210243452f0f824b51472ddfaf1b2a621a9dc1014a6fe2cb16d740fa.exe
File opened for modification	C:\Windows\Debug\bqchost.exe	8fdfd376210243452f0f824b51472ddfaf1b2a621a9dc1014a6fe2cb16d740fa.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	bqchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	bqchost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4524	8fdfd376210243452f0f824b51472ddfaf1b2a621a9dc1014a6fe2cb16d740fa.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4524 wrote to memory of 2320	4524	8fdfd376210243452f0f824b51472ddfaf1b2a621a9dc1014a6fe2cb16d740fa.exe	91
PID 4524 wrote to memory of 2320	4524	8fdfd376210243452f0f824b51472ddfaf1b2a621a9dc1014a6fe2cb16d740fa.exe	91
PID 4524 wrote to memory of 2320	4524	8fdfd376210243452f0f824b51472ddfaf1b2a621a9dc1014a6fe2cb16d740fa.exe	91

C:\Users\Admin\AppData\Local\Temp\8fdfd376210243452f0f824b51472ddfaf1b2a621a9dc1014a6fe2cb16d740fa.exe
"C:\Users\Admin\AppData\Local\Temp\8fdfd376210243452f0f824b51472ddfaf1b2a621a9dc1014a6fe2cb16d740fa.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4524
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\8FDFD3~1.EXE > nul
  2⤵
  PID:2320

C:\Windows\Debug\bqchost.exe
C:\Windows\Debug\bqchost.exe
1⤵
- Executes dropped EXE
- Checks processor information in registry
PID:2664

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\Debug\bqchost.exe

Filesize
198KB

MD5
53c75c3700f70871ab29365f22278765

SHA1
da0296b6829f2065901803714b09f1b015e2c7f3

SHA256
932f9d31381181683033f0c90520413ae9033deb2ae0e740f29fce178d561097

SHA512
a17e3319436e758c8c511fe5d6ceb1cb64d9bb7c5aa6f2af9d9e3bc97906b22f2bfb15ce29bf3f7d70f3bebaa8f25d9d6b0cdfcbc3892205cf036d9c0a6ebfd2

Download Submit
C:\Windows\debug\bqchost.exe

Filesize
198KB

MD5
53c75c3700f70871ab29365f22278765

SHA1
da0296b6829f2065901803714b09f1b015e2c7f3

SHA256
932f9d31381181683033f0c90520413ae9033deb2ae0e740f29fce178d561097

SHA512
a17e3319436e758c8c511fe5d6ceb1cb64d9bb7c5aa6f2af9d9e3bc97906b22f2bfb15ce29bf3f7d70f3bebaa8f25d9d6b0cdfcbc3892205cf036d9c0a6ebfd2

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads