017a7ccf3e5eb12c679dad6b9897c1ea788975d6e5e90e4ddf59df981dd11ec1

Resubmissions

22-09-2021 14:15

210922-rkjp5sfecr 10

Analysis

max time kernel
90s
max time network
95s
platform
windows11-21h2_x64
resource
win11-20240412-en
resource tags

arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system
submitted
14-04-2024 14:43

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General

Target

017a7ccf3e5eb12c679dad6b9897c1ea788975d6e5e90e4ddf59df981dd11ec1.exe
Size

527KB
MD5

afca14738e00c61a837d450b38a3f067
SHA1

bc07bcaa858fd87418563b54f1e3197a252c0ee8
SHA256

017a7ccf3e5eb12c679dad6b9897c1ea788975d6e5e90e4ddf59df981dd11ec1
SHA512

50f084c2ffd0b6592bea5face7092294003812421009e8241c8045c117aa9ae4e802bd4fb56398df06670ffbad57683c9157fc1b91a28443720b13fbf300772c
SSDEEP

12288:I02PWw9C6hlSZ6g2G0yKHp1VbWabfBnXo:wPWwcOq6g2BVpxbVo

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
4212	017a7ccf3e5eb12c679dad6b9897c1ea788975d6e5e90e4ddf59df981dd11ec1.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
4420	4212	WerFault.exe	77

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4212 wrote to memory of 548	4212	017a7ccf3e5eb12c679dad6b9897c1ea788975d6e5e90e4ddf59df981dd11ec1.exe	80
PID 4212 wrote to memory of 548	4212	017a7ccf3e5eb12c679dad6b9897c1ea788975d6e5e90e4ddf59df981dd11ec1.exe	80
PID 4212 wrote to memory of 548	4212	017a7ccf3e5eb12c679dad6b9897c1ea788975d6e5e90e4ddf59df981dd11ec1.exe	80

C:\Users\Admin\AppData\Local\Temp\017a7ccf3e5eb12c679dad6b9897c1ea788975d6e5e90e4ddf59df981dd11ec1.exe
"C:\Users\Admin\AppData\Local\Temp\017a7ccf3e5eb12c679dad6b9897c1ea788975d6e5e90e4ddf59df981dd11ec1.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:4212
- C:\Users\Admin\AppData\Local\Temp\017a7ccf3e5eb12c679dad6b9897c1ea788975d6e5e90e4ddf59df981dd11ec1.exe
  "C:\Users\Admin\AppData\Local\Temp\017a7ccf3e5eb12c679dad6b9897c1ea788975d6e5e90e4ddf59df981dd11ec1.exe"
  2⤵
  PID:548
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4212 -s 940
  2⤵
  - Program crash
  PID:4420

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4212 -ip 4212
1⤵
PID:3988

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsfA096.tmp\System.dll

Filesize
11KB

MD5
fccff8cb7a1067e23fd2e2b63971a8e1

SHA1
30e2a9e137c1223a78a0f7b0bf96a1c361976d91

SHA256
6fcea34c8666b06368379c6c402b5321202c11b00889401c743fb96c516c679e

SHA512
f4335e84e6f8d70e462a22f1c93d2998673a7616c868177cac3e8784a3be1d7d0bb96f2583fa0ed82f4f2b6b8f5d9b33521c279a42e055d80a94b4f3f1791e0c

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