f697de2afbf1f8c97d3947ee677e355a9f57576d64f1496e0e4560ccad4efdab

Analysis

max time kernel
4294181s
max time network
123s
platform
windows7_x64
resource
win7-20220223-en
submitted
03/03/2022, 17:55

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General

Target
522-763524116309-pdf.exe
Size 340KB
Sample220303-whfmxsdffp
SHA256 f697de2afbf1f8c97d3947ee677e355a9f57576d64f1496e0e4560ccad4efdab
MD5 2ac522d691d5196deb9a915b63a3d519
SHA1 a7275a3851d663a45b4b65592778b420cd17f474
SHA512 3c4286abe950e67fc89715a822545047eb5441010cc8c9f6f5026ad1bffa9223192bad50c9e34d0385f65cf633374c4170d560e0a980a80fadcdd5f2544a586f
MD5 SHA1 SHA512

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1652	dtrmmqncv.exe

Loads dropped DLL 2 IoCs

pid	Process
1560	522-763524116309-pdf.exe
1652	dtrmmqncv.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1560 wrote to memory of 1652	1560	522-763524116309-pdf.exe	27
PID 1560 wrote to memory of 1652	1560	522-763524116309-pdf.exe	27
PID 1560 wrote to memory of 1652	1560	522-763524116309-pdf.exe	27
PID 1560 wrote to memory of 1652	1560	522-763524116309-pdf.exe	27
PID 1652 wrote to memory of 1096	1652	dtrmmqncv.exe	28
PID 1652 wrote to memory of 1096	1652	dtrmmqncv.exe	28
PID 1652 wrote to memory of 1096	1652	dtrmmqncv.exe	28
PID 1652 wrote to memory of 1096	1652	dtrmmqncv.exe	28

C:\Users\Admin\AppData\Local\Temp\522-763524116309-pdf.exe
"C:\Users\Admin\AppData\Local\Temp\522-763524116309-pdf.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1560
- C:\Users\Admin\AppData\Local\Temp\dtrmmqncv.exe
  C:\Users\Admin\AppData\Local\Temp\dtrmmqncv.exe C:\Users\Admin\AppData\Local\Temp\uyxdxzxz
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:1652
- - C:\Users\Admin\AppData\Local\Temp\dtrmmqncv.exe
    C:\Users\Admin\AppData\Local\Temp\dtrmmqncv.exe C:\Users\Admin\AppData\Local\Temp\uyxdxzxz
    3⤵
    PID:1096

Network

MITRE ATT&CK Enterprise v6

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

memory/1560-54-0x0000000075AC1000-0x0000000075AC3000-memory.dmp

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