02aeec3b3700be483dbe07a20959c39e57b9281680aad00a7683a130bf3a01a2

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
14/03/2023, 10:33

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General

Target

bart.exe
Size

776KB
MD5

6a39f57725bccd075545b72a5205f6ce
SHA1

2e2d88fe68bca68136996441afa1065a423007b1
SHA256

02aeec3b3700be483dbe07a20959c39e57b9281680aad00a7683a130bf3a01a2
SHA512

7d41a384cfb789b133371fb140c9ea1602119f0e4ad012fa7e0f225052ce56e29b05b14f55d829c69c4e632cc0e869e7b27e22dcc48d63f5d7ad38279fb06ed8
SSDEEP

12288:db30Nt8NiLXRb4qJ5QIfDCw4v9QJglmIUeTs0k0XA3ncLHH:db30NWirw50c7H

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-1-5-21-2275444769-3691835758-4097679484-1000\Control Panel\International\Geo\Nation	bart.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1028 set thread context of 1852	1028	bart.exe	86
PID 1852 set thread context of 3136	1852	bart.exe	21
PID 2556 set thread context of 3136	2556	mstsc.exe	21

Program crash 1 IoCs

pid	pid_target	Process	procid_target
428	4528	WerFault.exe	101

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	mstsc.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1028	bart.exe
1028	bart.exe
1028	bart.exe
1028	bart.exe
1028	bart.exe
1028	bart.exe
1028	bart.exe
1028	bart.exe
1028	bart.exe
1028	bart.exe
1028	bart.exe
1028	bart.exe
1028	bart.exe
1028	bart.exe
1028	bart.exe
1028	bart.exe
1028	bart.exe
1028	bart.exe
1028	bart.exe
1028	bart.exe
1028	bart.exe
1028	bart.exe
1028	bart.exe
1028	bart.exe
1028	bart.exe
1028	bart.exe
1028	bart.exe
1028	bart.exe
1028	bart.exe
1028	bart.exe
1028	bart.exe
1028	bart.exe
1028	bart.exe
1028	bart.exe
1028	bart.exe
1028	bart.exe
1028	bart.exe
1028	bart.exe
1028	bart.exe
1028	bart.exe
1028	bart.exe
1028	bart.exe
1028	bart.exe
1028	bart.exe
1028	bart.exe
1028	bart.exe
1028	bart.exe
1028	bart.exe
1028	bart.exe
1028	bart.exe
1028	bart.exe
1028	bart.exe
1028	bart.exe
1028	bart.exe
1028	bart.exe
1028	bart.exe
1028	bart.exe
1028	bart.exe
1028	bart.exe
1028	bart.exe
1028	bart.exe
1028	bart.exe
1028	bart.exe
1028	bart.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3136	Explorer.EXE

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
1852	bart.exe
1852	bart.exe
1852	bart.exe
2556	mstsc.exe
2556	mstsc.exe
2556	mstsc.exe
2556	mstsc.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	1028	bart.exe
Token: SeDebugPrivilege	1852	bart.exe
Token: SeDebugPrivilege	2556	mstsc.exe
Token: SeShutdownPrivilege	3136	Explorer.EXE
Token: SeCreatePagefilePrivilege	3136	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1028 wrote to memory of 3176	1028	bart.exe	85
PID 1028 wrote to memory of 3176	1028	bart.exe	85
PID 1028 wrote to memory of 3176	1028	bart.exe	85
PID 1028 wrote to memory of 3176	1028	bart.exe	85
PID 1028 wrote to memory of 3176	1028	bart.exe	85
PID 1028 wrote to memory of 3176	1028	bart.exe	85
PID 1028 wrote to memory of 1852	1028	bart.exe	86
PID 1028 wrote to memory of 1852	1028	bart.exe	86
PID 1028 wrote to memory of 1852	1028	bart.exe	86
PID 1028 wrote to memory of 1852	1028	bart.exe	86
PID 1028 wrote to memory of 1852	1028	bart.exe	86
PID 1028 wrote to memory of 1852	1028	bart.exe	86
PID 3136 wrote to memory of 2556	3136	Explorer.EXE	99
PID 3136 wrote to memory of 2556	3136	Explorer.EXE	99
PID 3136 wrote to memory of 2556	3136	Explorer.EXE	99
PID 2556 wrote to memory of 4528	2556	mstsc.exe	101
PID 2556 wrote to memory of 4528	2556	mstsc.exe	101
PID 2556 wrote to memory of 4528	2556	mstsc.exe	101

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3136
- C:\Users\Admin\AppData\Local\Temp\bart.exe
  "C:\Users\Admin\AppData\Local\Temp\bart.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1028
- - C:\Users\Admin\AppData\Local\Temp\bart.exe
    "C:\Users\Admin\AppData\Local\Temp\bart.exe"
    3⤵
    PID:3176
- - C:\Users\Admin\AppData\Local\Temp\bart.exe
    "C:\Users\Admin\AppData\Local\Temp\bart.exe"
    3⤵
    - Checks computer location settings
    - Suspicious use of SetThreadContext
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1852
- C:\Windows\SysWOW64\mstsc.exe
  "C:\Windows\SysWOW64\mstsc.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Modifies Internet Explorer settings
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2556
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:4528
  - - C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 4528 -s 120
      4⤵
      Program crash
      PID:428

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 460 -p 4528 -ip 4528
1⤵
PID:3908

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1028-145-0x00000000026D0000-0x00000000026E0000-memory.dmp

Filesize
64KB

Download
memory/1028-142-0x00000000026D0000-0x00000000026E0000-memory.dmp

Filesize
64KB

Download
memory/1028-135-0x0000000004B50000-0x0000000004BEC000-memory.dmp

Filesize
624KB

Download
memory/1028-136-0x00000000026D0000-0x00000000026E0000-memory.dmp

Filesize
64KB

Download
memory/1028-137-0x0000000008850000-0x00000000088E2000-memory.dmp

Filesize
584KB

Download
memory/1028-138-0x0000000000D30000-0x0000000000D3A000-memory.dmp

Filesize
40KB

Download
memory/1028-139-0x00000000026D0000-0x00000000026E0000-memory.dmp

Filesize
64KB

Download
memory/1028-140-0x00000000026D0000-0x00000000026E0000-memory.dmp

Filesize
64KB

Download
memory/1028-141-0x00000000026D0000-0x00000000026E0000-memory.dmp

Filesize
64KB

Download
memory/1028-133-0x0000000000690000-0x0000000000758000-memory.dmp

Filesize
800KB

Download
memory/1028-143-0x00000000026D0000-0x00000000026E0000-memory.dmp

Filesize
64KB

Download
memory/1028-144-0x00000000026D0000-0x00000000026E0000-memory.dmp

Filesize
64KB

Download
memory/1028-134-0x0000000005300000-0x00000000058A4000-memory.dmp

Filesize
5.6MB

Download
memory/1852-148-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1852-146-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1852-149-0x0000000001460000-0x00000000017AA000-memory.dmp

Filesize
3.3MB

Download
memory/1852-150-0x0000000000F10000-0x0000000000F20000-memory.dmp

Filesize
64KB

Download
memory/2556-156-0x00000000030E0000-0x000000000342A000-memory.dmp

Filesize
3.3MB

Download
memory/2556-152-0x0000000000290000-0x00000000003CA000-memory.dmp

Filesize
1.2MB

Download
memory/2556-154-0x0000000000290000-0x00000000003CA000-memory.dmp

Filesize
1.2MB

Download
memory/2556-155-0x00000000010B0000-0x00000000010DD000-memory.dmp

Filesize
180KB

Download
memory/2556-157-0x0000000002F50000-0x0000000002FDF000-memory.dmp

Filesize
572KB

Download
memory/3136-151-0x0000000003400000-0x00000000034CC000-memory.dmp

Filesize
816KB

Download
memory/3136-158-0x00000000076C0000-0x00000000077A7000-memory.dmp

Filesize
924KB

Download
memory/3136-166-0x00000000076C0000-0x00000000077A7000-memory.dmp

Filesize
924KB

Download