b0fc9221a8c562834aa26bd8c9e9c020612ae95464fc90f36dbf2c7af72b3587

Analysis

max time kernel
96s
max time network
118s
platform
windows10-2004_x64
resource
win10v2004-20240910-en
resource tags

arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
submitted
01-10-2024 12:30

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General

Target

b0fc9221a8c562834aa26bd8c9e9c020612ae95464fc90f36dbf2c7af72b3587N.exe
Size

49KB
MD5

ccb8db1ac580047228d8eb69e75cfa50
SHA1

e17dd6cd21c47d997357eaf962f2bde75194211e
SHA256

b0fc9221a8c562834aa26bd8c9e9c020612ae95464fc90f36dbf2c7af72b3587
SHA512

9beebe84c8453f7bb2bf1e6cb1236e62a9796aa42a7862dfcc74ce3f835937598ff453b1b677b88f187801f58e0aaf23cd5a4157296feedb5649e3c274a76ced
SSDEEP

768:Q8eRHO9lFh0ul16sh7iQroCH/f+RjFBSuB2XVcn:Q9lOZ16sh7iQroCuRB0ub

Score

7^/10

discovery

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-1-5-21-2629364133-3182087385-364449604-1000\Control Panel\International\Geo\Nation	b0fc9221a8c562834aa26bd8c9e9c020612ae95464fc90f36dbf2c7af72b3587N.exe

Executes dropped EXE 1 IoCs

pid	Process
536	bkgrnd.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 2 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	b0fc9221a8c562834aa26bd8c9e9c020612ae95464fc90f36dbf2c7af72b3587N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bkgrnd.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3912 wrote to memory of 536	3912	b0fc9221a8c562834aa26bd8c9e9c020612ae95464fc90f36dbf2c7af72b3587N.exe	85
PID 3912 wrote to memory of 536	3912	b0fc9221a8c562834aa26bd8c9e9c020612ae95464fc90f36dbf2c7af72b3587N.exe	85
PID 3912 wrote to memory of 536	3912	b0fc9221a8c562834aa26bd8c9e9c020612ae95464fc90f36dbf2c7af72b3587N.exe	85

C:\Users\Admin\AppData\Local\Temp\b0fc9221a8c562834aa26bd8c9e9c020612ae95464fc90f36dbf2c7af72b3587N.exe
"C:\Users\Admin\AppData\Local\Temp\b0fc9221a8c562834aa26bd8c9e9c020612ae95464fc90f36dbf2c7af72b3587N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3912
- C:\Users\Admin\AppData\Local\Temp\bkgrnd.exe
  "C:\Users\Admin\AppData\Local\Temp\bkgrnd.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:536

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\bkgrnd.exe

Filesize
50KB

MD5
280665620b10b81a51ab41865e74dfa4

SHA1
c9d4eb8fbf6935daa6a8da13de3d8874f56f89b4

SHA256
7c5315fa0a2336bc0be041beb56353ad212c169a7b39ca56d7bfd85c92f58709

SHA512
9266add44a867555529d6c54c7b6cf563be8b184698592f580f5bd5484d36e604291a70c2a25f45528be0176009fb293c20b646f948b3b0ee8c5779a31f93366

Download Submit
memory/536-14-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/3912-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/3912-1-0x0000000004000000-0x0000000004006000-memory.dmp

Filesize
24KB

Download
memory/3912-2-0x0000000004000000-0x0000000004006000-memory.dmp

Filesize
24KB

Download
memory/3912-12-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download