99ab73086ffdd74f864f54cf8722478577729f62062e7c2697832853ba0afc0a

Analysis

max time kernel
51s
max time network
53s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
10/06/2024, 21:29

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General

Target
confirmpayment.exe
Size 378KB
Sample240610-1ccras1cph
SHA256 1458a047833fc15055a82111f8f8871b769322e612cd330abc3ef6b92f313587
MD5 c20001848d080af9535d90548af09b90
SHA1 725c8f6709625702d85a16bb2c9a9bf4be97a12c
SHA512 94509a0bbb1693d43db04453864761cddbb54e007cd873d84bbd28f0cf27f554881463559693bb482c830fa5a156b2b0a3faa44b6626dada8c64d7f8ae8a384b
SSDEEP 6144:ijbeiZV869uSquZMKxPPxvNh46YoE1TeC4P0We1dQoQFhNgjqNUjhfoPkxzcp36:iuOi4HZM8ZvNGvdeC48W47c6jiPyw6
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

persistence upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1652	M.exe
1788	M.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000a0000000233f3-5.dat	upx
behavioral2/memory/1652-6-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/1652-23-0x0000000000400000-0x0000000000455000-memory.dmp	upx

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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	confirmpayment.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1652 set thread context of 1788	1652	M.exe	86

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3776	1788	WerFault.exe	86

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1652	M.exe
1652	M.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1652	M.exe
1652	M.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1416 wrote to memory of 1652	1416	confirmpayment.exe	82
PID 1416 wrote to memory of 1652	1416	confirmpayment.exe	82
PID 1416 wrote to memory of 1652	1416	confirmpayment.exe	82
PID 1652 wrote to memory of 1788	1652	M.exe	86
PID 1652 wrote to memory of 1788	1652	M.exe	86
PID 1652 wrote to memory of 1788	1652	M.exe	86
PID 1652 wrote to memory of 1788	1652	M.exe	86
PID 1652 wrote to memory of 1788	1652	M.exe	86
PID 1652 wrote to memory of 1788	1652	M.exe	86
PID 1652 wrote to memory of 1788	1652	M.exe	86
PID 1652 wrote to memory of 1788	1652	M.exe	86
PID 1652 wrote to memory of 1788	1652	M.exe	86
PID 1652 wrote to memory of 1788	1652	M.exe	86
PID 1652 wrote to memory of 1788	1652	M.exe	86

C:\Users\Admin\AppData\Local\Temp\confirmpayment.exe
"C:\Users\Admin\AppData\Local\Temp\confirmpayment.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1416
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\M.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\M.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1652
- - C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\M.exe
    C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\M.exe
    3⤵
    - Executes dropped EXE
    PID:1788
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1788 -s 616
      4⤵
      Program crash
      PID:3776

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1788 -ip 1788
1⤵
PID:664

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

M.ex_

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\M.ex_
Size 181KB
SHA256 3c6edc638d9720f43486c4702bdb4e457ea259f5c0b5c973bd09640448326883
MD5 ddee049cd1b722c1d1ee4812b4d6bdd8
SHA1 88be6de92a0576573927253101d29bb722bff02c
SHA512 af529c57ec099a4129e3c82f4be8b6132fd321f4ae3faf36298e3c1791dd7c8cf90f56b73e8d1402c6f9b7777439a9576cf58143e11340fd62a7dafbf2bcde5c
SSDEEP 3072:LQ5fz9QVOWe1dQoQXhevOovb9NJ+SO6VZzxCahfFfkxzccLbHlork:L460We1dQoQXhEg16NLhfJkxzcsEk
MD5 SHA1 SHA512 SSDEEP

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M.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\M.exe
Size 142KB
SHA256 7c3260e5c367fc08f0c88c0b727576ff1ca2897171cbb962b85ef58403c8ed4e
MD5 2bafb239ddbd81c449c71d40d754c678
SHA1 0ac0fafe0149ccda946579d8ddb1b2291a2f0ba3
SHA512 7a7dca1d23a425d3e8b350ac2be7f1472bc18bcedfe3bc87b1f0bc5b5b5af109ea901319b0677e4bd093e804bf671edd9cb4cb7e0deebcf160d09727f9b1df6f
SSDEEP 3072:kT9x4RvCB2IYghutMgCgdV2qkz7sZhIhlqWrKeDCWfOy0z4NARF1A4L:QH4R62fYutMDkDkz7MIhlqWmeDjGyPAn
MD5 SHA1 SHA512 SSDEEP

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memory/1652-6-0x0000000000400000-0x0000000000455000-memory.dmp

Download

memory/1652-16-0x00000000006D0000-0x00000000006D5000-memory.dmp

Download

memory/1652-23-0x0000000000400000-0x0000000000455000-memory.dmp

Download

memory/1788-19-0x0000000000400000-0x000000000133C000-memory.dmp

Download

memory/1788-22-0x0000000000400000-0x000000000133C000-memory.dmp

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memory/1788-24-0x0000000000400000-0x000000000133C000-memory.dmp

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memory/1788-26-0x0000000000400000-0x0000000000427000-memory.dmp

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