3f71265764d2877957c9ac6be73c514b67d04b5fa67e79d9b766696a3a65cecf

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240319-en
resource tags

arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system
submitted
26/03/2024, 19:23

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General

Target

3f71265764d2877957c9ac6be73c514b67d04b5fa67e79d9b766696a3a65cecf.exe
Size

244KB
MD5

d80829824a76c7928b5344265b308d55
SHA1

61af156c9f75ae243b1170718162f854fd63ddf2
SHA256

3f71265764d2877957c9ac6be73c514b67d04b5fa67e79d9b766696a3a65cecf
SHA512

867e8bfc65530e4b56550f45806411d541ed256083c3de85cffdef56dea85e9c4374da4d9d5d0ee95cb886b469f71c3ca6e50ac4c0c0ff1e977561d44528b790
SSDEEP

6144:FVAVnUHETL9r4vZiJce7l+imXBgGpcrMYX0bFAse:FVAVnUwyxmLmXPpEXK6s

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
1568	ddodetup.exe
2572	ipcohost.exe
2032	~78E9.tmp

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-1-5-21-817259280-2658881748-983986378-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\appiiles = "C:\\Users\\Admin\\AppData\\Roaming\\mtstutou\\ddodetup.exe"	3f71265764d2877957c9ac6be73c514b67d04b5fa67e79d9b766696a3a65cecf.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\ipcohost.exe	3f71265764d2877957c9ac6be73c514b67d04b5fa67e79d9b766696a3a65cecf.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4680	1460	WerFault.exe	90

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1568	ddodetup.exe
1568	ddodetup.exe
2572	ipcohost.exe
2572	ipcohost.exe
3492	Explorer.EXE
3492	Explorer.EXE
2572	ipcohost.exe
2572	ipcohost.exe
3492	Explorer.EXE
3492	Explorer.EXE
2572	ipcohost.exe
2572	ipcohost.exe
3492	Explorer.EXE
3492	Explorer.EXE
2572	ipcohost.exe
2572	ipcohost.exe
3492	Explorer.EXE
3492	Explorer.EXE
2572	ipcohost.exe
2572	ipcohost.exe
3492	Explorer.EXE
3492	Explorer.EXE
2572	ipcohost.exe
2572	ipcohost.exe
3492	Explorer.EXE
3492	Explorer.EXE
2572	ipcohost.exe
2572	ipcohost.exe
3492	Explorer.EXE
3492	Explorer.EXE
2572	ipcohost.exe
2572	ipcohost.exe
3492	Explorer.EXE
3492	Explorer.EXE
2572	ipcohost.exe
2572	ipcohost.exe
3492	Explorer.EXE
3492	Explorer.EXE
2572	ipcohost.exe
2572	ipcohost.exe
3492	Explorer.EXE
3492	Explorer.EXE
2572	ipcohost.exe
2572	ipcohost.exe
3492	Explorer.EXE
3492	Explorer.EXE
2572	ipcohost.exe
2572	ipcohost.exe
3492	Explorer.EXE
3492	Explorer.EXE
2572	ipcohost.exe
2572	ipcohost.exe
3492	Explorer.EXE
3492	Explorer.EXE
2572	ipcohost.exe
2572	ipcohost.exe
3492	Explorer.EXE
3492	Explorer.EXE
2572	ipcohost.exe
2572	ipcohost.exe
3492	Explorer.EXE
3492	Explorer.EXE
2572	ipcohost.exe
2572	ipcohost.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1568	ddodetup.exe
Token: SeShutdownPrivilege	3492	Explorer.EXE
Token: SeCreatePagefilePrivilege	3492	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3492	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1460 wrote to memory of 1568	1460	3f71265764d2877957c9ac6be73c514b67d04b5fa67e79d9b766696a3a65cecf.exe	95
PID 1460 wrote to memory of 1568	1460	3f71265764d2877957c9ac6be73c514b67d04b5fa67e79d9b766696a3a65cecf.exe	95
PID 1460 wrote to memory of 1568	1460	3f71265764d2877957c9ac6be73c514b67d04b5fa67e79d9b766696a3a65cecf.exe	95
PID 1568 wrote to memory of 2032	1568	ddodetup.exe	97
PID 1568 wrote to memory of 2032	1568	ddodetup.exe	97
PID 2032 wrote to memory of 3492	2032	~78E9.tmp	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3492
- C:\Users\Admin\AppData\Local\Temp\3f71265764d2877957c9ac6be73c514b67d04b5fa67e79d9b766696a3a65cecf.exe
  "C:\Users\Admin\AppData\Local\Temp\3f71265764d2877957c9ac6be73c514b67d04b5fa67e79d9b766696a3a65cecf.exe"
  2⤵
  - Adds Run key to start application
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:1460
- - C:\Users\Admin\AppData\Roaming\mtstutou\ddodetup.exe
    "C:\Users\Admin\AppData\Roaming\mtstutou"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1568
  - - C:\Users\Admin\AppData\Local\Temp\~78E9.tmp
      3492 249864 1568 1
      4⤵
      Executes dropped EXE
      Suspicious use of WriteProcessMemory
      PID:2032
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1460 -s 628
    3⤵
    - Program crash
    PID:4680

C:\Windows\SysWOW64\ipcohost.exe
C:\Windows\SysWOW64\ipcohost.exe -s
1⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:2572

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 200 -p 1460 -ip 1460
1⤵
PID:4216

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3728 --field-trial-handle=2256,i,5035714022000286426,16259316383734940314,262144 --variations-seed-version /prefetch:8
1⤵
PID:372

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

C:\Users\Admin\AppData\Local\Temp\~78E9.tmp

Filesize
8KB

MD5
aac3165ece2959f39ff98334618d10d9

SHA1
020a191bfdc70c1fbd3bf74cd7479258bd197f51

SHA256
96fa6a7714670823c83099ea01d24d6d3ae8fef027f01a4ddac14f123b1c9974

SHA512
9eb876812a6a13dd4b090788c2b1d9e9a2e25370598ed5c040f82e6f378edc4b78d58bc8f60d5a559ea57b1edcf3a144bfe09454a9928997173db8279d5b40cf

Download Submit
C:\Users\Admin\AppData\Roaming\mtstutou\ddodetup.exe

Filesize
244KB

MD5
6dcb2b11da7741df01524774d734d615

SHA1
d843744054c6b3e9dc58663b4fe9c12ba1b97f60

SHA256
6d2b836352ccc92bbe12889967f133f76e25d4cbd14e376d50b3b35f70f7e93b

SHA512
f93c936fa725fc4d748beee55a3c7a301ebc0da5716475d78fca29199cc676b121dd5c1ef49cf12f6aff5a63abad9d9a64db364bc149fdfcec672fe499d561f2

Download Submit
memory/1460-0-0x00000000001B0000-0x00000000001F7000-memory.dmp

Filesize
284KB

Download
memory/1460-28-0x00000000001B0000-0x00000000001F7000-memory.dmp

Filesize
284KB

Download
memory/1568-6-0x00000000008A0000-0x00000000008E7000-memory.dmp

Filesize
284KB

Download
memory/1568-10-0x0000000000980000-0x0000000000986000-memory.dmp

Filesize
24KB

Download
memory/2572-17-0x00000000001F0000-0x00000000001F6000-memory.dmp

Filesize
24KB

Download
memory/2572-14-0x00000000008A0000-0x00000000008E7000-memory.dmp

Filesize
284KB

Download
memory/2572-12-0x00000000009B0000-0x00000000009B6000-memory.dmp

Filesize
24KB

Download
memory/2572-29-0x00000000001F0000-0x00000000001F6000-memory.dmp

Filesize
24KB

Download
memory/3492-21-0x0000000002B60000-0x0000000002BAD000-memory.dmp

Filesize
308KB

Download
memory/3492-24-0x0000000001180000-0x0000000001186000-memory.dmp

Filesize
24KB

Download
memory/3492-25-0x0000000002B40000-0x0000000002B4D000-memory.dmp

Filesize
52KB

Download
memory/3492-19-0x0000000002B60000-0x0000000002BAD000-memory.dmp

Filesize
308KB

Download