69de5c41946a6f32d4a9a29c73828d3b111c3f3d46adb9a38dde5c4accf2a9cb

General

Target

69de5c41946a6f32d4a9a29c73828d3b111c3f3d46adb9a38dde5c4accf2a9cb.exe
Size

362KB
MD5

664eab712ff7c52522494147f27c43b7
SHA1

20d7513d8a6cbed50b283be508c2bae0dbbbf640
SHA256

69de5c41946a6f32d4a9a29c73828d3b111c3f3d46adb9a38dde5c4accf2a9cb
SHA512

3e95e5557831558b31abb14bc2b6437dbbb09072387a015c227fc53f8f18659c9bcd114ee5b872abd3f60caf3cbf96b5930fc470a0f9f7c1bc7640f7902d8698
SSDEEP

6144:58+tQT3g7sILawv8p2sJMM1uzZnot04oxnWl4c0WycxBmFC2Kv:9GwVl8p2saMnhGnWmEycxIChv

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1448	Au_.exe

Loads dropped DLL 6 IoCs

pid	Process
968	69de5c41946a6f32d4a9a29c73828d3b111c3f3d46adb9a38dde5c4accf2a9cb.exe
1448	Au_.exe
1448	Au_.exe
1448	Au_.exe
1448	Au_.exe
1448	Au_.exe

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

System Information Discovery
T1082

NSIS installer 6 IoCs

installer

resource	yara_rule
behavioral1/files/0x000a0000000122f5-55.dat	nsis_installer_1
behavioral1/files/0x000a0000000122f5-55.dat	nsis_installer_2
behavioral1/files/0x000a0000000122f5-57.dat	nsis_installer_1
behavioral1/files/0x000a0000000122f5-57.dat	nsis_installer_2
behavioral1/files/0x000a0000000122f5-59.dat	nsis_installer_1
behavioral1/files/0x000a0000000122f5-59.dat	nsis_installer_2

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1448	Au_.exe
1448	Au_.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 968 wrote to memory of 1448	968	69de5c41946a6f32d4a9a29c73828d3b111c3f3d46adb9a38dde5c4accf2a9cb.exe	28
PID 968 wrote to memory of 1448	968	69de5c41946a6f32d4a9a29c73828d3b111c3f3d46adb9a38dde5c4accf2a9cb.exe	28
PID 968 wrote to memory of 1448	968	69de5c41946a6f32d4a9a29c73828d3b111c3f3d46adb9a38dde5c4accf2a9cb.exe	28
PID 968 wrote to memory of 1448	968	69de5c41946a6f32d4a9a29c73828d3b111c3f3d46adb9a38dde5c4accf2a9cb.exe	28

C:\Users\Admin\AppData\Local\Temp\69de5c41946a6f32d4a9a29c73828d3b111c3f3d46adb9a38dde5c4accf2a9cb.exe
"C:\Users\Admin\AppData\Local\Temp\69de5c41946a6f32d4a9a29c73828d3b111c3f3d46adb9a38dde5c4accf2a9cb.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:968
- C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
  "C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe" _?=C:\Users\Admin\AppData\Local\Temp\
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  PID:1448

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe

Filesize
362KB

MD5
664eab712ff7c52522494147f27c43b7

SHA1
20d7513d8a6cbed50b283be508c2bae0dbbbf640

SHA256
69de5c41946a6f32d4a9a29c73828d3b111c3f3d46adb9a38dde5c4accf2a9cb

SHA512
3e95e5557831558b31abb14bc2b6437dbbb09072387a015c227fc53f8f18659c9bcd114ee5b872abd3f60caf3cbf96b5930fc470a0f9f7c1bc7640f7902d8698

Download Submit
C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe

Filesize
362KB

MD5
664eab712ff7c52522494147f27c43b7

SHA1
20d7513d8a6cbed50b283be508c2bae0dbbbf640

SHA256
69de5c41946a6f32d4a9a29c73828d3b111c3f3d46adb9a38dde5c4accf2a9cb

SHA512
3e95e5557831558b31abb14bc2b6437dbbb09072387a015c227fc53f8f18659c9bcd114ee5b872abd3f60caf3cbf96b5930fc470a0f9f7c1bc7640f7902d8698

Download Submit
\Users\Admin\AppData\Local\Temp\nstEFFC.tmp\SkinBtn.dll

Filesize
4KB

MD5
e4ec95271ff1bcebab49bdfed6817a22

SHA1
2c03e97f4773aea80ecdb98a1482e5896fe4677b

SHA256
ee1c06692a757473737b0ebdef16f77b63afac864d0890022d905e4873737dd6

SHA512
771a527133806307a1b17b7e956d6a3c16e9bc675bf084b43204ae784a057dac2726dbf90645692876043a4e7365ba8825c167621fde4760c79cd84679e2aa3d

Download Submit
\Users\Admin\AppData\Local\Temp\nstEFFC.tmp\System.dll

Filesize
11KB

MD5
00a0194c20ee912257df53bfe258ee4a

SHA1
d7b4e319bc5119024690dc8230b9cc919b1b86b2

SHA256
dc4da2ccadb11099076926b02764b2b44ad8f97cd32337421a4cc21a3f5448f3

SHA512
3b38a2c17996c3b77ebf7b858a6c37415615e756792132878d8eddbd13cb06710b7da0e8b58104768f8e475fc93e8b44b3b1ab6f70ddf52edee111aaf5ef5667

Download Submit
\Users\Admin\AppData\Local\Temp\nstEFFC.tmp\WndProc.dll

Filesize
3KB

MD5
f0cb331dd4bd92a6ebce45e7cd1cf5ef

SHA1
b66ea0c10b08750295f2dc7c170b370402393214

SHA256
e7b3115fa2ce4a8fa09beeefa4fb634a474197f38a2854ce9be60d0a26016458

SHA512
7c33418f39b91ae0d4cc8b560f516bac293593eef539832815028878c2058bf1691c2d767a039cf312989839071f2f6f0b6d9d59835acdfff6b448bf1ffea271

Download Submit
\Users\Admin\AppData\Local\Temp\nstEFFC.tmp\nsDialogs.dll

Filesize
9KB

MD5
ab73c0c2a23f913eabdc4cb24b75cbad

SHA1
6569d2863d54c88dcf57c843fc310f6d9571a41e

SHA256
3d0060c5c9400a487dbefe4ac132dd96b07d3a4ba3badab46a7410a667c93457

SHA512
99d287b5152944f64edc7ce8f3ebcd294699e54a5b42ac7a88e27dff8a68278a5429f4d299802ee7ddbe290f1e3b6a372a5f3bb4ecb1a3c32e384bca3ccdb2b8

Download Submit
\Users\Admin\AppData\Local\Temp\nstEFFC.tmp\processwork.dll

Filesize
231KB

MD5
0a4fa7a9ba969a805eb0603c7cfe3378

SHA1
0f018a8d5b42c6ce8bf34b4a6422861c327af88c

SHA256
27329ea7002d9ce81c8e28e97a5c761922097b33cedeada4db30d2b9d505007c

SHA512
e13e29712457d5e6351bfd69cba6320795d8b2fd1a047923814f8699f7188ec730ec7f0d946fdff66c8b430fef011415ed045b6ea56e4cc0b1d010171ab88178

Download Submit
\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe

Filesize
362KB

MD5
664eab712ff7c52522494147f27c43b7

SHA1
20d7513d8a6cbed50b283be508c2bae0dbbbf640

SHA256
69de5c41946a6f32d4a9a29c73828d3b111c3f3d46adb9a38dde5c4accf2a9cb

SHA512
3e95e5557831558b31abb14bc2b6437dbbb09072387a015c227fc53f8f18659c9bcd114ee5b872abd3f60caf3cbf96b5930fc470a0f9f7c1bc7640f7902d8698

Download Submit
memory/968-54-0x0000000075921000-0x0000000075923000-memory.dmp

Filesize
8KB

Download

Analysis

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