4c1df01c44c5a69f9efa30528117c3d90f2df8a78c23a7ccc25412da15793531

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-12-2024 02:23

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General

Target

4c1df01c44c5a69f9efa30528117c3d90f2df8a78c23a7ccc25412da15793531.exe
Size

820KB
MD5

a75036f188683604d03dd8f03fee6ec3
SHA1

cc2c07398c85ffcd033223d01155851647d0ee68
SHA256

4c1df01c44c5a69f9efa30528117c3d90f2df8a78c23a7ccc25412da15793531
SHA512

2a32707969a776c20150ab79b62204918ad6a96599acc99c7d6e99ce1c43eadb77fdf79c0dc59eb517005ab16d6aaa28ab229e68d20bf087ec82a957837390e1
SSDEEP

12288:7b0EifOJq8Ikm2qv1GV8gmxJziOoA3TB98/0v7Z0Q9i4xw3u5IDkd72gGmkRJWk6:7bxgGKLz8G/XBO/0vOAi4xwk9VS6n

Score

7^/10

discovery

Malware Config

Signatures

Loads dropped DLL 2 IoCs

Processes:

4c1df01c44c5a69f9efa30528117c3d90f2df8a78c23a7ccc25412da15793531.exe

pid	Process
2512	4c1df01c44c5a69f9efa30528117c3d90f2df8a78c23a7ccc25412da15793531.exe
2512	4c1df01c44c5a69f9efa30528117c3d90f2df8a78c23a7ccc25412da15793531.exe

Drops file in Program Files directory 1 IoCs

Processes:

4c1df01c44c5a69f9efa30528117c3d90f2df8a78c23a7ccc25412da15793531.exe

description	ioc	Process
File opened for modification	C:\Program Files (x86)\rumsonderne\rendyrkes.plu	4c1df01c44c5a69f9efa30528117c3d90f2df8a78c23a7ccc25412da15793531.exe

Drops file in Windows directory 2 IoCs

Processes:

4c1df01c44c5a69f9efa30528117c3d90f2df8a78c23a7ccc25412da15793531.exe

description	ioc	Process
File opened for modification	C:\Windows\resources\mineralrigste.ini	4c1df01c44c5a69f9efa30528117c3d90f2df8a78c23a7ccc25412da15793531.exe
File opened for modification	C:\Windows\spaller.ini	4c1df01c44c5a69f9efa30528117c3d90f2df8a78c23a7ccc25412da15793531.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2748	2512	WerFault.exe	30

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

Processes:

4c1df01c44c5a69f9efa30528117c3d90f2df8a78c23a7ccc25412da15793531.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4c1df01c44c5a69f9efa30528117c3d90f2df8a78c23a7ccc25412da15793531.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

4c1df01c44c5a69f9efa30528117c3d90f2df8a78c23a7ccc25412da15793531.exe

description	pid	Process	procid_target
PID 2512 wrote to memory of 2748	2512	4c1df01c44c5a69f9efa30528117c3d90f2df8a78c23a7ccc25412da15793531.exe	31
PID 2512 wrote to memory of 2748	2512	4c1df01c44c5a69f9efa30528117c3d90f2df8a78c23a7ccc25412da15793531.exe	31
PID 2512 wrote to memory of 2748	2512	4c1df01c44c5a69f9efa30528117c3d90f2df8a78c23a7ccc25412da15793531.exe	31
PID 2512 wrote to memory of 2748	2512	4c1df01c44c5a69f9efa30528117c3d90f2df8a78c23a7ccc25412da15793531.exe	31

C:\Users\Admin\AppData\Local\Temp\4c1df01c44c5a69f9efa30528117c3d90f2df8a78c23a7ccc25412da15793531.exe
"C:\Users\Admin\AppData\Local\Temp\4c1df01c44c5a69f9efa30528117c3d90f2df8a78c23a7ccc25412da15793531.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2512
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2512 -s 496
  2⤵
  - Program crash
  PID:2748

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

\Users\Admin\AppData\Local\Temp\nsjD7CB.tmp\System.dll

Filesize
11KB

MD5
b0c77267f13b2f87c084fd86ef51ccfc

SHA1
f7543f9e9b4f04386dfbf33c38cbed1bf205afb3

SHA256
a0cac4cf4852895619bc7743ebeb89f9e4927ccdb9e66b1bcd92a4136d0f9c77

SHA512
f2b57a2eea00f52a3c7080f4b5f2bb85a7a9b9f16d12da8f8ff673824556c62a0f742b72be0fd82a2612a4b6dbd7e0fdc27065212da703c2f7e28d199696f66e

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