03d6fa79b7d5bbe9e643da58bb6319f2f2532c7ae616d79d1701ad0e5dc232f8

Analysis

max time kernel
92s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2024, 04:24

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General

Target
Payment Copy.exe
Size 556KB
Sample241230-e1nyksxrey
SHA256 55d2e2a1b94feedfc083326d9096acec664eb4fa66a752650caa62cb9b6c9914
MD5 8084dc1e74d897de6ff79693f1def3bd
SHA1 4f1537c3f3eada685e439ccc11b7bcf1c1d67188
SHA512 e31c533c05d187028625f53aed3f50de22f704472e68725735876b79dec2a55251361ac2c3606d8796feeb9320f69a259a93222602c354d2e066248c0e4dbebf
SSDEEP 12288:qdz83kC/aIIAuyO0KEB0gKkuxzYjlwZRJCnhs:qdzVWsV2KEBriyjIRJA2
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

discovery

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
5032	Payment Copy.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
1872	5032	WerFault.exe	81

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	Payment Copy.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5032 wrote to memory of 4988	5032	Payment Copy.exe	82
PID 5032 wrote to memory of 4988	5032	Payment Copy.exe	82
PID 5032 wrote to memory of 4988	5032	Payment Copy.exe	82

C:\Users\Admin\AppData\Local\Temp\Payment Copy.exe
"C:\Users\Admin\AppData\Local\Temp\Payment Copy.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5032
- C:\Users\Admin\AppData\Local\Temp\Payment Copy.exe
  "C:\Users\Admin\AppData\Local\Temp\Payment Copy.exe"
  2⤵
  PID:4988
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 5032 -s 1020
  2⤵
  - Program crash
  PID:1872

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5032 -ip 5032
1⤵
PID:3544

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

sydrnwxz.dll

Path C:\Users\Admin\AppData\Local\Temp\nst9D4A.tmp\sydrnwxz.dll
Size 138KB
SHA256 f2635ca10d2ad2503eefbbfd4673e9c8ad66f363d0117fc4fbd79554ca482f20
MD5 f50d919a09c776df2c4fa63e3dcd4526
SHA1 917c24b146a6a17ec1cfaebde50199256b4126da
SHA512 5b578e7197b7b584185ea83b91938d4b9f152703c6039f98c096423cf94111e2f7146789dea548a2f317d1abf623356d36b4e047ff1d37835572b84020c89bf2
SSDEEP 1536:ZacgjVPeGl4bEnfuObM4rzzeZ0oBdpXeIfVMwrc3sYcobUfs55dSKoyrxNURR:gN5a4SYintBZkrFxyR
MD5 SHA1 SHA512 SSDEEP

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memory/5032-7-0x0000000010021000-0x0000000010023000-memory.dmp

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