4e942a35e8d3cdf4a8b994d786253b7c7a07935a4b223810df7d8f5b7498b967

Analysis

max time kernel
95s
max time network
99s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09-10-2024 17:41

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General

Target

4e942a35e8d3cdf4a8b994d786253b7c7a07935a4b223810df7d8f5b7498b967N.exe
Size

53KB
MD5

d143563c67f317a531147d6a9ee83000
SHA1

4b9e2542d023da1cbd0523f5695086f11318bafb
SHA256

4e942a35e8d3cdf4a8b994d786253b7c7a07935a4b223810df7d8f5b7498b967
SHA512

02c9d2b6804e5c998533cd7608ac860209150a35a13726dfc249b342892333eeadfee271c8fb8598c3d3ea369f34e3a4dc32c9a741f27620fd38a282607c4c4a
SSDEEP

1536:dNGg8r8Qpdbt7sX8q7Kp3StjEMjmLM3ztDJWZsXy4JzxPM0:8t7sXnJJjmLM3zRJWZsXy4Jd

Score

7^/10

discovery

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	4e942a35e8d3cdf4a8b994d786253b7c7a07935a4b223810df7d8f5b7498b967N.exe

Executes dropped EXE 1 IoCs

pid	Process
3860	heudu.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
3328	2036	WerFault.exe	81
2696	3860	WerFault.exe	85

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	4e942a35e8d3cdf4a8b994d786253b7c7a07935a4b223810df7d8f5b7498b967N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	heudu.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2036	4e942a35e8d3cdf4a8b994d786253b7c7a07935a4b223810df7d8f5b7498b967N.exe
3860	heudu.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2036 wrote to memory of 3860	2036	4e942a35e8d3cdf4a8b994d786253b7c7a07935a4b223810df7d8f5b7498b967N.exe	85
PID 2036 wrote to memory of 3860	2036	4e942a35e8d3cdf4a8b994d786253b7c7a07935a4b223810df7d8f5b7498b967N.exe	85
PID 2036 wrote to memory of 3860	2036	4e942a35e8d3cdf4a8b994d786253b7c7a07935a4b223810df7d8f5b7498b967N.exe	85

C:\Users\Admin\AppData\Local\Temp\4e942a35e8d3cdf4a8b994d786253b7c7a07935a4b223810df7d8f5b7498b967N.exe
"C:\Users\Admin\AppData\Local\Temp\4e942a35e8d3cdf4a8b994d786253b7c7a07935a4b223810df7d8f5b7498b967N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2036
- C:\Users\Admin\heudu.exe
  "C:\Users\Admin\heudu.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:3860
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3860 -s 672
    3⤵
    - Program crash
    PID:2696
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2036 -s 988
  2⤵
  - Program crash
  PID:3328

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2036 -ip 2036
1⤵
PID:3944

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 3860 -ip 3860
1⤵
PID:3420

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

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\heudu.exe

Filesize
53KB

MD5
ee0f55457c2344bc994d451d582f4c7b

SHA1
e5a977d11d3dd528e493414dbc50d2118623a982

SHA256
531198574a45d45fa6f793fe6575c5b10f44379c59927814e45eef3a9125c08a

SHA512
1db0d326b2365b936b596fee0a32ada244bc94160d2115123fd443b1417ee73b6cf1ec599acbead1f80bc914c7859358340af34ddde0f7b0e07fd05e230842f6

Download Submit
memory/2036-0-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2036-37-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/3860-33-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/3860-38-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download