1c17ac3bab8bb94d79dbac1d96dc3c851a27ca69c3a58214c7f9fabc84709d1c

Analysis

max time kernel
94s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05-09-2024 01:04

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General

Target

1c17ac3bab8bb94d79dbac1d96dc3c851a27ca69c3a58214c7f9fabc84709d1c.exe
Size

517KB
MD5

16896ff6cc1f6405d6572112fa99e77a
SHA1

a2679c0869ddc42e6521f4c382ae5d1d8946e311
SHA256

1c17ac3bab8bb94d79dbac1d96dc3c851a27ca69c3a58214c7f9fabc84709d1c
SHA512

91ce438c820aa2873f5c48be681267027a0d43a30b1d572ee11490b5f8261cbfd88b5bd8f4706f0463a557fbc604660cee1e250d47dfe43c7deb55e5f78b36b5
SSDEEP

6144:tqjIR4uIDtVLjU/TyxcNY9Ezrs+63D9Wmy9eHhiYSz9Zh7iRhuV2DUFRfDOca6ZL:E5INYaR6D54eBiYSwaV2DC0cuuO+

Score

7^/10

discovery

Malware Config

Signatures

Loads dropped DLL 7 IoCs

pid	Process
3036	1c17ac3bab8bb94d79dbac1d96dc3c851a27ca69c3a58214c7f9fabc84709d1c.exe
3036	1c17ac3bab8bb94d79dbac1d96dc3c851a27ca69c3a58214c7f9fabc84709d1c.exe
3036	1c17ac3bab8bb94d79dbac1d96dc3c851a27ca69c3a58214c7f9fabc84709d1c.exe
3036	1c17ac3bab8bb94d79dbac1d96dc3c851a27ca69c3a58214c7f9fabc84709d1c.exe
3036	1c17ac3bab8bb94d79dbac1d96dc3c851a27ca69c3a58214c7f9fabc84709d1c.exe
3036	1c17ac3bab8bb94d79dbac1d96dc3c851a27ca69c3a58214c7f9fabc84709d1c.exe
3036	1c17ac3bab8bb94d79dbac1d96dc3c851a27ca69c3a58214c7f9fabc84709d1c.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\mshtml.dll	1c17ac3bab8bb94d79dbac1d96dc3c851a27ca69c3a58214c7f9fabc84709d1c.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
3036	1c17ac3bab8bb94d79dbac1d96dc3c851a27ca69c3a58214c7f9fabc84709d1c.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\resources\fiskestimernes\Kjv.ini	1c17ac3bab8bb94d79dbac1d96dc3c851a27ca69c3a58214c7f9fabc84709d1c.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2728	3036	WerFault.exe	82

System Location Discovery: System Language Discovery 1 TTPs 1 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	1c17ac3bab8bb94d79dbac1d96dc3c851a27ca69c3a58214c7f9fabc84709d1c.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3036 wrote to memory of 3224	3036	1c17ac3bab8bb94d79dbac1d96dc3c851a27ca69c3a58214c7f9fabc84709d1c.exe	94
PID 3036 wrote to memory of 3224	3036	1c17ac3bab8bb94d79dbac1d96dc3c851a27ca69c3a58214c7f9fabc84709d1c.exe	94
PID 3036 wrote to memory of 3224	3036	1c17ac3bab8bb94d79dbac1d96dc3c851a27ca69c3a58214c7f9fabc84709d1c.exe	94

C:\Users\Admin\AppData\Local\Temp\1c17ac3bab8bb94d79dbac1d96dc3c851a27ca69c3a58214c7f9fabc84709d1c.exe
"C:\Users\Admin\AppData\Local\Temp\1c17ac3bab8bb94d79dbac1d96dc3c851a27ca69c3a58214c7f9fabc84709d1c.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3036
- C:\Users\Admin\AppData\Local\Temp\1c17ac3bab8bb94d79dbac1d96dc3c851a27ca69c3a58214c7f9fabc84709d1c.exe
  "C:\Users\Admin\AppData\Local\Temp\1c17ac3bab8bb94d79dbac1d96dc3c851a27ca69c3a58214c7f9fabc84709d1c.exe"
  2⤵
  PID:3224
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3036 -s 1080
  2⤵
  - Program crash
  PID:2728

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3036 -ip 3036
1⤵
PID:2100

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsvA0F4.tmp\LangDLL.dll

Filesize
5KB

MD5
adad756e278127e9d31eb33d6e053740

SHA1
71943b9697441152b131a21075f5463ab40ca6ed

SHA256
d1fa47d8485b212eccd266fe5fc2be9750c4b843da78bddd2349ab58ef138b32

SHA512
047fa57a44ed2c2f214be68af1b2740591e4b508a4ca9c2eed7f84b3bb5b6f0a7c1d584e6790cc231dfbb6a23a96f826079ed5b0d9d961e95397ffc345cb7a5c

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsvA0F4.tmp\System.dll

Filesize
11KB

MD5
34442e1e0c2870341df55e1b7b3cccdc

SHA1
99b2fa21aead4b6ccd8ff2f6d3d3453a51d9c70c

SHA256
269d232712c86983336badb40b9e55e80052d8389ed095ebf9214964d43b6bb1

SHA512
4a8c57fb12997438b488b862f3fc9dc0f236e07bb47b2bce6053dcb03ac7ad171842f02ac749f02dda4719c681d186330524cd2953d33cb50854844e74b33d51

Download Submit
memory/3036-32-0x0000000004A00000-0x0000000007470000-memory.dmp

Filesize
42.4MB

Download
memory/3036-33-0x0000000004A00000-0x0000000007470000-memory.dmp

Filesize
42.4MB

Download
memory/3036-34-0x00000000778D1000-0x00000000779F1000-memory.dmp

Filesize
1.1MB

Download
memory/3036-36-0x0000000074524000-0x0000000074525000-memory.dmp

Filesize
4KB

Download
memory/3036-35-0x00000000778D1000-0x00000000779F1000-memory.dmp

Filesize
1.1MB

Download
memory/3036-37-0x0000000004A00000-0x0000000007470000-memory.dmp

Filesize
42.4MB

Download