4d808dc1f08e0c700bae4ac0c95132d948e2dd6e5513398e7ef2340b9a7ff03a

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
17/08/2024, 21:56

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General

Target

4d808dc1f08e0c700bae4ac0c95132d948e2dd6e5513398e7ef2340b9a7ff03a.exe
Size

90KB
MD5

3742f3095d0e367a2749fd1e07dbaa06
SHA1

45c9a129a088f07570235977a85859880a644880
SHA256

4d808dc1f08e0c700bae4ac0c95132d948e2dd6e5513398e7ef2340b9a7ff03a
SHA512

17a342f4e684a113902b2071016b725d097decdaf60f38174d7371e56f9f96ebaf6a0e688b328bbbbad74c3c194344331e9eef0118cf9f56389ad7945cdb331f
SSDEEP

1536:tqA1geNFSvEueL+Tnsx5S0REQO0IcRGgEG43K/p8F7psL:gTRnKSpgpp47q

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2724	quuoxa.exe

Loads dropped DLL 7 IoCs

pid	Process
2060	4d808dc1f08e0c700bae4ac0c95132d948e2dd6e5513398e7ef2340b9a7ff03a.exe
2060	4d808dc1f08e0c700bae4ac0c95132d948e2dd6e5513398e7ef2340b9a7ff03a.exe
2748	WerFault.exe
2748	WerFault.exe
2748	WerFault.exe
2748	WerFault.exe
2748	WerFault.exe

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

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2604	2060	WerFault.exe	29
2748	2724	WerFault.exe	30

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4d808dc1f08e0c700bae4ac0c95132d948e2dd6e5513398e7ef2340b9a7ff03a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	quuoxa.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2060	4d808dc1f08e0c700bae4ac0c95132d948e2dd6e5513398e7ef2340b9a7ff03a.exe
2724	quuoxa.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2060 wrote to memory of 2724	2060	4d808dc1f08e0c700bae4ac0c95132d948e2dd6e5513398e7ef2340b9a7ff03a.exe	30
PID 2060 wrote to memory of 2724	2060	4d808dc1f08e0c700bae4ac0c95132d948e2dd6e5513398e7ef2340b9a7ff03a.exe	30
PID 2060 wrote to memory of 2724	2060	4d808dc1f08e0c700bae4ac0c95132d948e2dd6e5513398e7ef2340b9a7ff03a.exe	30
PID 2060 wrote to memory of 2724	2060	4d808dc1f08e0c700bae4ac0c95132d948e2dd6e5513398e7ef2340b9a7ff03a.exe	30
PID 2060 wrote to memory of 2604	2060	4d808dc1f08e0c700bae4ac0c95132d948e2dd6e5513398e7ef2340b9a7ff03a.exe	31
PID 2060 wrote to memory of 2604	2060	4d808dc1f08e0c700bae4ac0c95132d948e2dd6e5513398e7ef2340b9a7ff03a.exe	31
PID 2060 wrote to memory of 2604	2060	4d808dc1f08e0c700bae4ac0c95132d948e2dd6e5513398e7ef2340b9a7ff03a.exe	31
PID 2060 wrote to memory of 2604	2060	4d808dc1f08e0c700bae4ac0c95132d948e2dd6e5513398e7ef2340b9a7ff03a.exe	31
PID 2724 wrote to memory of 2748	2724	quuoxa.exe	32
PID 2724 wrote to memory of 2748	2724	quuoxa.exe	32
PID 2724 wrote to memory of 2748	2724	quuoxa.exe	32
PID 2724 wrote to memory of 2748	2724	quuoxa.exe	32

C:\Users\Admin\AppData\Local\Temp\4d808dc1f08e0c700bae4ac0c95132d948e2dd6e5513398e7ef2340b9a7ff03a.exe
"C:\Users\Admin\AppData\Local\Temp\4d808dc1f08e0c700bae4ac0c95132d948e2dd6e5513398e7ef2340b9a7ff03a.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2060
- C:\Users\Admin\quuoxa.exe
  "C:\Users\Admin\quuoxa.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2724
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2724 -s 280
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:2748
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2060 -s 504
  2⤵
  - Program crash
  PID:2604

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\quuoxa.exe

Filesize
90KB

MD5
ddab84388138a480e8ffb25421057615

SHA1
280b4d327090e27d6bbb9284e2792131f8435a68

SHA256
155166b60e813842830ab39e040f3ba60504d47a1d95a925bd1483a11467a461

SHA512
32fa207fc1c961f4189b21a90460d010a630bdeb299847f5016285450f0a1d56aeab3094b54e114f6334aa97dc267d0f50ac5e1b5aac240db60769fc988ba8e3

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