b4eed01f69422039d0f550f9edac95a1687b7a21b01879a0dfbc3b873e61642e

Analysis

max time kernel
148s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
14-01-2024 01:35

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General

Target

59eecd91d6f5be7d23d9ad5eab1a788a.exe
Size

28KB
MD5

59eecd91d6f5be7d23d9ad5eab1a788a
SHA1

e282855f7f0226e9bc49c726b13e9a8f4dfbc5e3
SHA256

b4eed01f69422039d0f550f9edac95a1687b7a21b01879a0dfbc3b873e61642e
SHA512

d09e11e25aef1d8e477376cd9562e5b25d70c6c036ca6440757b1e93a594eb65e747c295bc9d14ead5f52a58c997f63f8ce22b8da9c50aeb9f67f1ff57f97a7c
SSDEEP

384:g9c/lju92SNHNjctHds2HUWT6VI/x/DryPS:g9kli9jNOtH70/VCLWP

Score

8^/10

evasion persistence

Malware Config

Signatures

Sets file to hidden 1 TTPs 1 IoCs

Modifies file attributes to stop it showing in Explorer etc.

evasion

Hidden Files and Directories

T1564.001

pid	Process
4768	attrib.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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\UUcallo = "c:\\woKuto.exe"	reg.exe

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

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\Software\Microsoft\Internet Explorer\Main	59eecd91d6f5be7d23d9ad5eab1a788a.exe

Modifies Internet Explorer start page 1 TTPs 1 IoCs

stealer

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Start Page = "http://www.dxcpm.com/?33_20240114"	59eecd91d6f5be7d23d9ad5eab1a788a.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3176	59eecd91d6f5be7d23d9ad5eab1a788a.exe
3176	59eecd91d6f5be7d23d9ad5eab1a788a.exe
3176	59eecd91d6f5be7d23d9ad5eab1a788a.exe
3176	59eecd91d6f5be7d23d9ad5eab1a788a.exe
3176	59eecd91d6f5be7d23d9ad5eab1a788a.exe
3176	59eecd91d6f5be7d23d9ad5eab1a788a.exe
3176	59eecd91d6f5be7d23d9ad5eab1a788a.exe
3176	59eecd91d6f5be7d23d9ad5eab1a788a.exe
3176	59eecd91d6f5be7d23d9ad5eab1a788a.exe
3176	59eecd91d6f5be7d23d9ad5eab1a788a.exe
3176	59eecd91d6f5be7d23d9ad5eab1a788a.exe
3176	59eecd91d6f5be7d23d9ad5eab1a788a.exe
3176	59eecd91d6f5be7d23d9ad5eab1a788a.exe
3176	59eecd91d6f5be7d23d9ad5eab1a788a.exe
3176	59eecd91d6f5be7d23d9ad5eab1a788a.exe
3176	59eecd91d6f5be7d23d9ad5eab1a788a.exe
3176	59eecd91d6f5be7d23d9ad5eab1a788a.exe
3176	59eecd91d6f5be7d23d9ad5eab1a788a.exe
3176	59eecd91d6f5be7d23d9ad5eab1a788a.exe
3176	59eecd91d6f5be7d23d9ad5eab1a788a.exe
3176	59eecd91d6f5be7d23d9ad5eab1a788a.exe
3176	59eecd91d6f5be7d23d9ad5eab1a788a.exe
3176	59eecd91d6f5be7d23d9ad5eab1a788a.exe
3176	59eecd91d6f5be7d23d9ad5eab1a788a.exe
3176	59eecd91d6f5be7d23d9ad5eab1a788a.exe
3176	59eecd91d6f5be7d23d9ad5eab1a788a.exe
3176	59eecd91d6f5be7d23d9ad5eab1a788a.exe
3176	59eecd91d6f5be7d23d9ad5eab1a788a.exe
3176	59eecd91d6f5be7d23d9ad5eab1a788a.exe
3176	59eecd91d6f5be7d23d9ad5eab1a788a.exe
3176	59eecd91d6f5be7d23d9ad5eab1a788a.exe
3176	59eecd91d6f5be7d23d9ad5eab1a788a.exe
3176	59eecd91d6f5be7d23d9ad5eab1a788a.exe
3176	59eecd91d6f5be7d23d9ad5eab1a788a.exe
3176	59eecd91d6f5be7d23d9ad5eab1a788a.exe
3176	59eecd91d6f5be7d23d9ad5eab1a788a.exe
3176	59eecd91d6f5be7d23d9ad5eab1a788a.exe
3176	59eecd91d6f5be7d23d9ad5eab1a788a.exe
3176	59eecd91d6f5be7d23d9ad5eab1a788a.exe
3176	59eecd91d6f5be7d23d9ad5eab1a788a.exe
3176	59eecd91d6f5be7d23d9ad5eab1a788a.exe
3176	59eecd91d6f5be7d23d9ad5eab1a788a.exe
3176	59eecd91d6f5be7d23d9ad5eab1a788a.exe
3176	59eecd91d6f5be7d23d9ad5eab1a788a.exe
3176	59eecd91d6f5be7d23d9ad5eab1a788a.exe
3176	59eecd91d6f5be7d23d9ad5eab1a788a.exe
3176	59eecd91d6f5be7d23d9ad5eab1a788a.exe
3176	59eecd91d6f5be7d23d9ad5eab1a788a.exe
3176	59eecd91d6f5be7d23d9ad5eab1a788a.exe
3176	59eecd91d6f5be7d23d9ad5eab1a788a.exe
3176	59eecd91d6f5be7d23d9ad5eab1a788a.exe
3176	59eecd91d6f5be7d23d9ad5eab1a788a.exe
3176	59eecd91d6f5be7d23d9ad5eab1a788a.exe
3176	59eecd91d6f5be7d23d9ad5eab1a788a.exe
3176	59eecd91d6f5be7d23d9ad5eab1a788a.exe
3176	59eecd91d6f5be7d23d9ad5eab1a788a.exe
3176	59eecd91d6f5be7d23d9ad5eab1a788a.exe
3176	59eecd91d6f5be7d23d9ad5eab1a788a.exe
3176	59eecd91d6f5be7d23d9ad5eab1a788a.exe
3176	59eecd91d6f5be7d23d9ad5eab1a788a.exe
3176	59eecd91d6f5be7d23d9ad5eab1a788a.exe
3176	59eecd91d6f5be7d23d9ad5eab1a788a.exe
3176	59eecd91d6f5be7d23d9ad5eab1a788a.exe
3176	59eecd91d6f5be7d23d9ad5eab1a788a.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3176	59eecd91d6f5be7d23d9ad5eab1a788a.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3176 wrote to memory of 4500	3176	59eecd91d6f5be7d23d9ad5eab1a788a.exe	87
PID 3176 wrote to memory of 4500	3176	59eecd91d6f5be7d23d9ad5eab1a788a.exe	87
PID 3176 wrote to memory of 4500	3176	59eecd91d6f5be7d23d9ad5eab1a788a.exe	87
PID 4500 wrote to memory of 4768	4500	cmd.exe	89
PID 4500 wrote to memory of 4768	4500	cmd.exe	89
PID 4500 wrote to memory of 4768	4500	cmd.exe	89
PID 4500 wrote to memory of 4788	4500	cmd.exe	90
PID 4500 wrote to memory of 4788	4500	cmd.exe	90
PID 4500 wrote to memory of 4788	4500	cmd.exe	90

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
4768	attrib.exe

C:\Users\Admin\AppData\Local\Temp\59eecd91d6f5be7d23d9ad5eab1a788a.exe
"C:\Users\Admin\AppData\Local\Temp\59eecd91d6f5be7d23d9ad5eab1a788a.exe"
1⤵
- Modifies Internet Explorer settings
- Modifies Internet Explorer start page
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3176
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\Dx.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4500
- - C:\Windows\SysWOW64\attrib.exe
    attrib +r +s +h c:\woKuto.exe
    3⤵
    - Sets file to hidden
    - Views/modifies file attributes
    PID:4768
- - C:\Windows\SysWOW64\reg.exe
    REG ADD HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run /v UUcallo /t REG_SZ /d c:\woKuto.exe /f
    3⤵
    - Adds Run key to start application
    PID:4788

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

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\Dx.bat

Filesize
243B

MD5
5c1d779647a77ed9c6063e158e1ce2d6

SHA1
f86b01604b602d607c3a8ceaf663137fe2df1131

SHA256
1d40be51b63dbab25bdb8f1bad04a62f706c0ffdd430469b9b3363865e52818d

SHA512
24b444547300ca745a4334002ff6247afa3f2835c1781b3ea8f4abe0c6160ccaafe3264a902d6da9625b4f0fcef3c75f069517c993d7754084894e86edc11fd7

Download Submit
C:\woKuto.exe

Filesize
28KB

MD5
59eecd91d6f5be7d23d9ad5eab1a788a

SHA1
e282855f7f0226e9bc49c726b13e9a8f4dfbc5e3

SHA256
b4eed01f69422039d0f550f9edac95a1687b7a21b01879a0dfbc3b873e61642e

SHA512
d09e11e25aef1d8e477376cd9562e5b25d70c6c036ca6440757b1e93a594eb65e747c295bc9d14ead5f52a58c997f63f8ce22b8da9c50aeb9f67f1ff57f97a7c

Download Submit