65ca82f2678e3bddd80209118d804fe795a8cc003e26edd7337fa420b5fd7ded

Analysis

max time kernel
277s
max time network
297s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
05-12-2022 17:49

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General

Target

65ca82f2678e3bddd80209118d804fe795a8cc003e26edd7337fa420b5fd7ded.exe
Size

763KB
MD5

53486cf8a68297f0065ace1a5f0e8ffb
SHA1

1d432c61250288145c416ff25add176f59928dca
SHA256

65ca82f2678e3bddd80209118d804fe795a8cc003e26edd7337fa420b5fd7ded
SHA512

0e6489f133b416387a6b395ffc99f19a403fefad5fc46239c7e5bf1f9e6f81fbc2576c7756dbeab20e407939600491be0f562c531d4bd5d4410cd1b42c62ce56
SSDEEP

12288:gTuo6lqeI2+uJvIgqckmpYYK/G2K/1lFoSE0vr1q6j+YpXHu1QhRDbSg3:cjVeI2+ZsvcTUbFdHqgr3u1QhRDbT

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4836	launch.exe

Loads dropped DLL 2 IoCs

pid	Process
4332	65ca82f2678e3bddd80209118d804fe795a8cc003e26edd7337fa420b5fd7ded.exe
4332	65ca82f2678e3bddd80209118d804fe795a8cc003e26edd7337fa420b5fd7ded.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 FindShellTrayWindow 1 IoCs

pid	Process
4332	65ca82f2678e3bddd80209118d804fe795a8cc003e26edd7337fa420b5fd7ded.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4332 wrote to memory of 4836	4332	65ca82f2678e3bddd80209118d804fe795a8cc003e26edd7337fa420b5fd7ded.exe	79
PID 4332 wrote to memory of 4836	4332	65ca82f2678e3bddd80209118d804fe795a8cc003e26edd7337fa420b5fd7ded.exe	79
PID 4332 wrote to memory of 4836	4332	65ca82f2678e3bddd80209118d804fe795a8cc003e26edd7337fa420b5fd7ded.exe	79

C:\Users\Admin\AppData\Local\Temp\65ca82f2678e3bddd80209118d804fe795a8cc003e26edd7337fa420b5fd7ded.exe
"C:\Users\Admin\AppData\Local\Temp\65ca82f2678e3bddd80209118d804fe795a8cc003e26edd7337fa420b5fd7ded.exe"
1⤵
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4332
- C:\Users\Admin\AppData\Local\Temp\DM\65ca82f2678e3bddd80209118d804fe795a8cc003e26edd7337fa420b5fd7ded.exe\f3nyUS4mKX\launch.exe
  C:\Users\Admin\AppData\Local\Temp\DM\65ca82f2678e3bddd80209118d804fe795a8cc003e26edd7337fa420b5fd7ded.exe\f3nyUS4mKX\launch.exe "e65ca82f2678e3bddd80209118d804fe795a8cc003e26edd7337fa420b5fd7ded.exe" "65ca82f2678e3bddd80209118d804fe795a8cc003e26edd7337fa420b5fd7ded.exe" "4f1861067e0b446c969491136a398468" dec
  2⤵
  - Executes dropped EXE
  PID:4836

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

C:\Users\Admin\AppData\Local\Temp\DM\65ca82f2678e3bddd80209118d804fe795a8cc003e26edd7337fa420b5fd7ded.exe\f3nyUS4mKX\launch.exe

Filesize
117KB

MD5
04564d86553fcff6631250752e9b9b9b

SHA1
3093e6848fbfdb71f948fdd50f588e46bc760f31

SHA256
2f1ef4466a10d6203902ce54e2d9df9f40c35789eaa7f5ae15ce277fbba5c82b

SHA512
e96abb892610d6289f818ddf2ec76515a817ce4eebd977a6564850cb6b0092405adc85b4fcae299b03fd5897a5de65b224cd891ff07c24395f1c681bcc650887

Download Submit
C:\Users\Admin\AppData\Local\Temp\DM\65ca82f2678e3bddd80209118d804fe795a8cc003e26edd7337fa420b5fd7ded.exe\f3nyUS4mKX\launch.exe

Filesize
117KB

MD5
04564d86553fcff6631250752e9b9b9b

SHA1
3093e6848fbfdb71f948fdd50f588e46bc760f31

SHA256
2f1ef4466a10d6203902ce54e2d9df9f40c35789eaa7f5ae15ce277fbba5c82b

SHA512
e96abb892610d6289f818ddf2ec76515a817ce4eebd977a6564850cb6b0092405adc85b4fcae299b03fd5897a5de65b224cd891ff07c24395f1c681bcc650887

Download Submit
C:\Users\Admin\AppData\Local\Temp\DM\65ca82f2678e3bddd80209118d804fe795a8cc003e26edd7337fa420b5fd7ded.exe\f3nyUS4mKX\launch.exe.config

Filesize
340B

MD5
91629f6b28cbe2b52bb86cb5af3bdbca

SHA1
35fb57ac58c9eb0668f5832a588d9f81e040568b

SHA256
589c122996fadc118731c6f983c5d3b498c4b4b59700ea548f4cfb79e4eaaeeb

SHA512
f08382296696173784841a163c73c19e7bd674a08a053c0434d55696f45039721925e5d829e4bbbf71b07385d1b88c5ea241b8247eb0d81bf381205977bd14c5

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsk435A.tmp\NSISdl.dll

Filesize
14KB

MD5
a5f8399a743ab7f9c88c645c35b1ebb5

SHA1
168f3c158913b0367bf79fa413357fbe97018191

SHA256
dacc88a12d3ba438fdae3535dc7a5a1d389bce13adc993706424874a782e51c9

SHA512
824e567f5211bf09c7912537c7836d761b0934207612808e9a191f980375c6a97383dbc6b4a7121c6b5f508cbfd7542a781d6b6b196ca24841f73892eec5e977

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsk435A.tmp\pwgen.dll

Filesize
16KB

MD5
a555472395178ac8c733d90928e05017

SHA1
f44b192d66473f01a6540aaec4b6c9ac4c611d35

SHA256
82ae08fced4a1f9a7df123634da5f4cb12af4593a006bef421a54739a2cbd44e

SHA512
e6d87b030c45c655d93b2e76d7437ad900df5da2475dd2e6e28b6c872040491e80f540b00b6091d16bc8410bd58a1e82c62ee1b17193ef8500a153d4474bb80a

Download Submit
memory/4836-138-0x00000000732B0000-0x0000000073861000-memory.dmp

Filesize
5.7MB

Download
memory/4836-139-0x00000000732B0000-0x0000000073861000-memory.dmp

Filesize
5.7MB

Download