f475e833ff4c783b123e5efa2c7a05e01dd86b9a4b478c5159bdc2520780a4b3

Analysis

max time kernel
114s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
07-09-2024 16:00

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General

Target

cb6c108191408c78243659c12104c630N.exe
Size

63KB
MD5

cb6c108191408c78243659c12104c630
SHA1

d37b339f120d77366c5172ea3cb55d1e566746c9
SHA256

f475e833ff4c783b123e5efa2c7a05e01dd86b9a4b478c5159bdc2520780a4b3
SHA512

b1f64e5bc8ae587b270f8bda377e747ed83548aef03dd23eec28e1491e2789b9e632426f2bf6b6d2d4d5b402643daef8f7782f0dc3c0ee66d0dbe666440bfcb6
SSDEEP

1536:fvQoLHjw2iWPKMvw71oLyXQUUqnouy8YXVvvvZeee5Lttttz:fv5Ls27BIJoLyXTUyoutYXveeeRttttz

Score

7^/10

defense_evasion discovery upx

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-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation	cb6c108191408c78243659c12104c630N.exe

Executes dropped EXE 1 IoCs

pid	Process
2168	bqchost.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/116-0-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral2/files/0x0009000000023604-3.dat	upx
behavioral2/memory/116-5-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral2/memory/2168-6-0x0000000000400000-0x000000000040F000-memory.dmp	upx

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Debug\bqchost.exe	cb6c108191408c78243659c12104c630N.exe
File opened for modification	C:\Windows\Debug\bqchost.exe	cb6c108191408c78243659c12104c630N.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cb6c108191408c78243659c12104c630N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bqchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

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	116	cb6c108191408c78243659c12104c630N.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 116 wrote to memory of 1824	116	cb6c108191408c78243659c12104c630N.exe	94
PID 116 wrote to memory of 1824	116	cb6c108191408c78243659c12104c630N.exe	94
PID 116 wrote to memory of 1824	116	cb6c108191408c78243659c12104c630N.exe	94

C:\Users\Admin\AppData\Local\Temp\cb6c108191408c78243659c12104c630N.exe
"C:\Users\Admin\AppData\Local\Temp\cb6c108191408c78243659c12104c630N.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:116
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\CB6C10~1.EXE > nul
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1824

C:\Windows\Debug\bqchost.exe
C:\Windows\Debug\bqchost.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Checks processor information in registry
PID:2168

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=3924,i,3861745594156495651,17595114179815238301,262144 --variations-seed-version --mojo-platform-channel-handle=4300 /prefetch:8
1⤵
PID:4172

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Indicator Removal

T1070

File Deletion

T1070.004

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\debug\bqchost.exe

Filesize
63KB

MD5
ea8f9c959e4ffc08ecdcf24d6dc8bece

SHA1
62451b93bf44e0d32df795065322e9bc18dd04e8

SHA256
6329764e7ccac314750602761363739239ae12d52350320ea9036bc9dd5aa68e

SHA512
4af3f7004e456670ba8bf8ba2e677417f7aa57939ff591fea4bdb921140250e9fd7d4af5c8c35274681f86053ed0eda8cb519e3b29da1d57fc4af7176d86bdd2

Download Submit
memory/116-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/116-5-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2168-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads