4ea28d5654139872543b0aa3987e97ddb0a92b977afdd993efbb64b34bc51322

Analysis

max time kernel
150s
max time network
120s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
25/05/2024, 20:04

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General

Target

Purchase order list.JPG.scr
Size

674KB
MD5

732666aebcfaa043adcf0435c25c2a63
SHA1

7063a25f0d956ac54fdf83b5842f750c18d214e7
SHA256

1a5f70e81feddef080a6913baa2c46e2098cc0dec52c66a0f6632084d7ba983e
SHA512

0d0eb7aaa8c0033e3e6e84316eb3b095b47cfea00c8e8adcc12525f628966e8de39e891bb6f55de8991536912fe746fd6f27892c4aa0fbacc9842295714dce79
SSDEEP

12288:S5ciWsuCCFz+srS6lBeMS8YOUKaENFgI9ttuZC7vWEY:STMFCO5lmOUKaXINuK2

Score

7^/10

persistence

Malware Config

Signatures

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\example.exe	Purchase order list.JPG.scr
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\example.exe	Purchase order list.JPG.scr

Executes dropped EXE 4 IoCs

pid	Process
2704	example.exe
2408	example.exe
2784	example.exe
1228	example.exe

Loads dropped DLL 7 IoCs

pid	Process
1624	Purchase order list.JPG.scr
1568	dw20.exe
1568	dw20.exe
1568	dw20.exe
2088	dw20.exe
2088	dw20.exe
2088	dw20.exe

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-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\example = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\Startup\\example.exe"	example.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1624 set thread context of 2552	1624	Purchase order list.JPG.scr	29
PID 2704 set thread context of 2408	2704	example.exe	31
PID 2784 set thread context of 1228	2784	example.exe	33

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 13 IoCs

pid	Process
1624	Purchase order list.JPG.scr
1624	Purchase order list.JPG.scr
1624	Purchase order list.JPG.scr
2704	example.exe
2704	example.exe
2704	example.exe
2784	example.exe
2784	example.exe
2784	example.exe
2784	example.exe
2784	example.exe
2704	example.exe
2704	example.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
2128	dw20.exe
1568	dw20.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1624	Purchase order list.JPG.scr
Token: SeDebugPrivilege	2704	example.exe
Token: SeDebugPrivilege	2784	example.exe

Suspicious use of WriteProcessMemory 47 IoCs

description	pid	Process	procid_target
PID 1624 wrote to memory of 2552	1624	Purchase order list.JPG.scr	29
PID 1624 wrote to memory of 2552	1624	Purchase order list.JPG.scr	29
PID 1624 wrote to memory of 2552	1624	Purchase order list.JPG.scr	29
PID 1624 wrote to memory of 2552	1624	Purchase order list.JPG.scr	29
PID 1624 wrote to memory of 2552	1624	Purchase order list.JPG.scr	29
PID 1624 wrote to memory of 2552	1624	Purchase order list.JPG.scr	29
PID 1624 wrote to memory of 2552	1624	Purchase order list.JPG.scr	29
PID 1624 wrote to memory of 2552	1624	Purchase order list.JPG.scr	29
PID 1624 wrote to memory of 2552	1624	Purchase order list.JPG.scr	29
PID 1624 wrote to memory of 2704	1624	Purchase order list.JPG.scr	30
PID 1624 wrote to memory of 2704	1624	Purchase order list.JPG.scr	30
PID 1624 wrote to memory of 2704	1624	Purchase order list.JPG.scr	30
PID 1624 wrote to memory of 2704	1624	Purchase order list.JPG.scr	30
PID 2704 wrote to memory of 2408	2704	example.exe	31
PID 2704 wrote to memory of 2408	2704	example.exe	31
PID 2704 wrote to memory of 2408	2704	example.exe	31
PID 2704 wrote to memory of 2408	2704	example.exe	31
PID 2704 wrote to memory of 2408	2704	example.exe	31
PID 2704 wrote to memory of 2408	2704	example.exe	31
PID 2704 wrote to memory of 2408	2704	example.exe	31
PID 2704 wrote to memory of 2408	2704	example.exe	31
PID 2704 wrote to memory of 2408	2704	example.exe	31
PID 2704 wrote to memory of 2784	2704	example.exe	32
PID 2704 wrote to memory of 2784	2704	example.exe	32
PID 2704 wrote to memory of 2784	2704	example.exe	32
PID 2704 wrote to memory of 2784	2704	example.exe	32
PID 2784 wrote to memory of 1228	2784	example.exe	33
PID 2784 wrote to memory of 1228	2784	example.exe	33
PID 2784 wrote to memory of 1228	2784	example.exe	33
PID 2784 wrote to memory of 1228	2784	example.exe	33
PID 2784 wrote to memory of 1228	2784	example.exe	33
PID 2784 wrote to memory of 1228	2784	example.exe	33
PID 2784 wrote to memory of 1228	2784	example.exe	33
PID 2784 wrote to memory of 1228	2784	example.exe	33
PID 2784 wrote to memory of 1228	2784	example.exe	33
PID 2552 wrote to memory of 2128	2552	Purchase order list.JPG.scr	34
PID 2552 wrote to memory of 2128	2552	Purchase order list.JPG.scr	34
PID 2552 wrote to memory of 2128	2552	Purchase order list.JPG.scr	34
PID 2552 wrote to memory of 2128	2552	Purchase order list.JPG.scr	34
PID 2408 wrote to memory of 1568	2408	example.exe	35
PID 2408 wrote to memory of 1568	2408	example.exe	35
PID 2408 wrote to memory of 1568	2408	example.exe	35
PID 2408 wrote to memory of 1568	2408	example.exe	35
PID 1228 wrote to memory of 2088	1228	example.exe	36
PID 1228 wrote to memory of 2088	1228	example.exe	36
PID 1228 wrote to memory of 2088	1228	example.exe	36
PID 1228 wrote to memory of 2088	1228	example.exe	36

C:\Users\Admin\AppData\Local\Temp\Purchase order list.JPG.scr
"C:\Users\Admin\AppData\Local\Temp\Purchase order list.JPG.scr" /S
1⤵
- Drops startup file
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1624
- C:\Users\Admin\AppData\Local\Temp\Purchase order list.JPG.scr
  "C:\Users\Admin\AppData\Local\Temp\Purchase order list.JPG.scr"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2552
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
    dw20.exe -x -s 764
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    PID:2128
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\example.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\example.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2704
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\example.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\example.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:2408
  - - C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
      dw20.exe -x -s 764
      4⤵
      Loads dropped DLL
      Suspicious behavior: GetForegroundWindowSpam
      PID:1568
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\example.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\example.exe"
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2784
  - - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\example.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\example.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of WriteProcessMemory
      PID:1228
    - - C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
        
        dw20.exe -x -s 772
        5⤵
        Loads dropped DLL
        
        PID:2088

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

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\example.exe

Filesize
674KB

MD5
732666aebcfaa043adcf0435c25c2a63

SHA1
7063a25f0d956ac54fdf83b5842f750c18d214e7

SHA256
1a5f70e81feddef080a6913baa2c46e2098cc0dec52c66a0f6632084d7ba983e

SHA512
0d0eb7aaa8c0033e3e6e84316eb3b095b47cfea00c8e8adcc12525f628966e8de39e891bb6f55de8991536912fe746fd6f27892c4aa0fbacc9842295714dce79

Download Submit
memory/1624-0-0x0000000074951000-0x0000000074952000-memory.dmp

Filesize
4KB

Download
memory/1624-1-0x0000000074950000-0x0000000074EFB000-memory.dmp

Filesize
5.7MB

Download
memory/1624-2-0x0000000074950000-0x0000000074EFB000-memory.dmp

Filesize
5.7MB

Download
memory/1624-3-0x0000000074950000-0x0000000074EFB000-memory.dmp

Filesize
5.7MB

Download
memory/1624-19-0x0000000074950000-0x0000000074EFB000-memory.dmp

Filesize
5.7MB

Download
memory/2552-6-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2552-9-0x0000000074950000-0x0000000074EFB000-memory.dmp

Filesize
5.7MB

Download
memory/2552-10-0x0000000074950000-0x0000000074EFB000-memory.dmp

Filesize
5.7MB

Download
memory/2552-11-0x0000000074950000-0x0000000074EFB000-memory.dmp

Filesize
5.7MB

Download
memory/2552-8-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2552-4-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2552-35-0x0000000074950000-0x0000000074EFB000-memory.dmp

Filesize
5.7MB

Download