4f37c3d9ef7c4d320675b1b8b232d3ec88be5ccf9c162d437cade68b4b1dea0d

Analysis

max time kernel
143s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
05/12/2022, 16:49

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General

Target

4f37c3d9ef7c4d320675b1b8b232d3ec88be5ccf9c162d437cade68b4b1dea0d.exe
Size

509KB
MD5

e4f603b959d1b0f531fcebdcd94e6f57
SHA1

a8aa0cdbec0072c4beb91e744be62f7e7fc717e3
SHA256

4f37c3d9ef7c4d320675b1b8b232d3ec88be5ccf9c162d437cade68b4b1dea0d
SHA512

b39621849bd0d931b1e81f0e7db98466863e81996ef420d35ef898fa1e554d3ac5e0678534d3b780d955385555ecdfc5d19cc725c9f9929dff8e054801ea68ac
SSDEEP

12288:muo5OBXzj++O2OyzCuWx+JfYAolkpWBYPcYBKXM9SP+:mjazjK2OvuHbolkzdpEP+

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4084	Launcher.exe
808	4f37c3d9ef7c4d320675b1b8b232d3ec88be5ccf9c162d437cade68b4b1dea0d.exe

Loads dropped DLL 1 IoCs

pid	Process
2816	4f37c3d9ef7c4d320675b1b8b232d3ec88be5ccf9c162d437cade68b4b1dea0d.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 2 IoCs

installer

resource	yara_rule
behavioral2/files/0x0006000000022e40-146.dat	nsis_installer_1
behavioral2/files/0x0006000000022e40-146.dat	nsis_installer_2

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2816	4f37c3d9ef7c4d320675b1b8b232d3ec88be5ccf9c162d437cade68b4b1dea0d.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
808	4f37c3d9ef7c4d320675b1b8b232d3ec88be5ccf9c162d437cade68b4b1dea0d.exe
808	4f37c3d9ef7c4d320675b1b8b232d3ec88be5ccf9c162d437cade68b4b1dea0d.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2816 wrote to memory of 4084	2816	4f37c3d9ef7c4d320675b1b8b232d3ec88be5ccf9c162d437cade68b4b1dea0d.exe	79
PID 2816 wrote to memory of 4084	2816	4f37c3d9ef7c4d320675b1b8b232d3ec88be5ccf9c162d437cade68b4b1dea0d.exe	79
PID 2816 wrote to memory of 4084	2816	4f37c3d9ef7c4d320675b1b8b232d3ec88be5ccf9c162d437cade68b4b1dea0d.exe	79
PID 2816 wrote to memory of 808	2816	4f37c3d9ef7c4d320675b1b8b232d3ec88be5ccf9c162d437cade68b4b1dea0d.exe	80
PID 2816 wrote to memory of 808	2816	4f37c3d9ef7c4d320675b1b8b232d3ec88be5ccf9c162d437cade68b4b1dea0d.exe	80

C:\Users\Admin\AppData\Local\Temp\4f37c3d9ef7c4d320675b1b8b232d3ec88be5ccf9c162d437cade68b4b1dea0d.exe
"C:\Users\Admin\AppData\Local\Temp\4f37c3d9ef7c4d320675b1b8b232d3ec88be5ccf9c162d437cade68b4b1dea0d.exe"
1⤵
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2816
- C:\Users\Admin\AppData\Local\Temp\DM\4f37c3d9ef7c4d320675b1b8b232d3ec88be5ccf9c162d437cade68b4b1dea0d.exe\yJfrFmIT22UixP9\Launcher.exe
  C:\Users\Admin\AppData\Local\Temp\DM\4f37c3d9ef7c4d320675b1b8b232d3ec88be5ccf9c162d437cade68b4b1dea0d.exe\yJfrFmIT22UixP9\Launcher.exe /in="e4f37c3d9ef7c4d320675b1b8b232d3ec88be5ccf9c162d437cade68b4b1dea0d.exe" /out="4f37c3d9ef7c4d320675b1b8b232d3ec88be5ccf9c162d437cade68b4b1dea0d.exe" /psw="2237be2154f247feb1d74500f750fd2e" /typ=dec
  2⤵
  - Executes dropped EXE
  PID:4084
- C:\Users\Admin\AppData\Local\Temp\DM\4f37c3d9ef7c4d320675b1b8b232d3ec88be5ccf9c162d437cade68b4b1dea0d.exe\yJfrFmIT22UixP9\4f37c3d9ef7c4d320675b1b8b232d3ec88be5ccf9c162d437cade68b4b1dea0d.exe
  C:\Users\Admin\AppData\Local\Temp\DM\4f37c3d9ef7c4d320675b1b8b232d3ec88be5ccf9c162d437cade68b4b1dea0d.exe\yJfrFmIT22UixP9\4f37c3d9ef7c4d320675b1b8b232d3ec88be5ccf9c162d437cade68b4b1dea0d.exe /path="C:\Users\Admin\AppData\Local\Temp\4f37c3d9ef7c4d320675b1b8b232d3ec88be5ccf9c162d437cade68b4b1dea0d.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:808

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\4f37c3d9ef7c4d320675b1b8b232d3ec88be5ccf9c162d437cade68b4b1dea0d.exe\yJfrFmIT22UixP9\4f37c3d9ef7c4d320675b1b8b232d3ec88be5ccf9c162d437cade68b4b1dea0d.exe

Filesize
380KB

MD5
8fad4857577525afeb2f1b09bc3dae3d

SHA1
84cee7d62fc51b077cd855829f39a55b1989ffbc

SHA256
c0716d1008529cee495478c94403dac7ebc5b3c8ac96aa380c25d5ce7ed5c99d

SHA512
fedbf1820a52dc3c2d620791aea1b249b23631219c251702eb48d1805acdd4b2db030e9f136076a09c84306256ef0e019e4e1190d1355ec8e7e1226e8d02d33a

Download Submit
C:\Users\Admin\AppData\Local\Temp\DM\4f37c3d9ef7c4d320675b1b8b232d3ec88be5ccf9c162d437cade68b4b1dea0d.exe\yJfrFmIT22UixP9\4f37c3d9ef7c4d320675b1b8b232d3ec88be5ccf9c162d437cade68b4b1dea0d.exe

Filesize
380KB

MD5
8fad4857577525afeb2f1b09bc3dae3d

SHA1
84cee7d62fc51b077cd855829f39a55b1989ffbc

SHA256
c0716d1008529cee495478c94403dac7ebc5b3c8ac96aa380c25d5ce7ed5c99d

SHA512
fedbf1820a52dc3c2d620791aea1b249b23631219c251702eb48d1805acdd4b2db030e9f136076a09c84306256ef0e019e4e1190d1355ec8e7e1226e8d02d33a

Download Submit
C:\Users\Admin\AppData\Local\Temp\DM\4f37c3d9ef7c4d320675b1b8b232d3ec88be5ccf9c162d437cade68b4b1dea0d.exe\yJfrFmIT22UixP9\4f37c3d9ef7c4d320675b1b8b232d3ec88be5ccf9c162d437cade68b4b1dea0d.exe.config

Filesize
690B

MD5
bca0ea75b6940aa86960d7b9098a5998

SHA1
3d57f82158ac72c7eb2e72ba19a80485d8103130

SHA256
5a494295936d2170433864b449257bbac7b976413811a0b6339e37f83a891f8d

SHA512
260a05c509d874239a27798421ee75ac7e2bbc0d2a0485122740e8b8adcd8f43f98f7633cef278d9f7f4a132633b4b1cdf4b641e2233e891dce2d6eb6e75c3d3

Download Submit
C:\Users\Admin\AppData\Local\Temp\DM\4f37c3d9ef7c4d320675b1b8b232d3ec88be5ccf9c162d437cade68b4b1dea0d.exe\yJfrFmIT22UixP9\Launcher.exe

Filesize
104KB

MD5
c3643011ce0aabe13d4ed9bec4016550

SHA1
c1230276fc77948d51536858168e2d308e890dd4

SHA256
5c2866a5c1af67c8574ddef009b8f4a9e6a4f5486b5afc288fe95ae9b0c771c6

SHA512
06486272fd51f4676393e3805851a5eba2ac0b70202229c564ab2b12b0b9c313a06a4ded6567b85e647c5eb0ec4cc018e0749ec22c3457b1bc02132b4514000a

Download Submit
C:\Users\Admin\AppData\Local\Temp\DM\4f37c3d9ef7c4d320675b1b8b232d3ec88be5ccf9c162d437cade68b4b1dea0d.exe\yJfrFmIT22UixP9\Launcher.exe

Filesize
104KB

MD5
c3643011ce0aabe13d4ed9bec4016550

SHA1
c1230276fc77948d51536858168e2d308e890dd4

SHA256
5c2866a5c1af67c8574ddef009b8f4a9e6a4f5486b5afc288fe95ae9b0c771c6

SHA512
06486272fd51f4676393e3805851a5eba2ac0b70202229c564ab2b12b0b9c313a06a4ded6567b85e647c5eb0ec4cc018e0749ec22c3457b1bc02132b4514000a

Download Submit
C:\Users\Admin\AppData\Local\Temp\DM\4f37c3d9ef7c4d320675b1b8b232d3ec88be5ccf9c162d437cade68b4b1dea0d.exe\yJfrFmIT22UixP9\Launcher.exe.config

Filesize
340B

MD5
91629f6b28cbe2b52bb86cb5af3bdbca

SHA1
35fb57ac58c9eb0668f5832a588d9f81e040568b

SHA256
589c122996fadc118731c6f983c5d3b498c4b4b59700ea548f4cfb79e4eaaeeb

SHA512
f08382296696173784841a163c73c19e7bd674a08a053c0434d55696f45039721925e5d829e4bbbf71b07385d1b88c5ea241b8247eb0d81bf381205977bd14c5

Download Submit
C:\Users\Admin\AppData\Local\Temp\DM\4f37c3d9ef7c4d320675b1b8b232d3ec88be5ccf9c162d437cade68b4b1dea0d.exe\yJfrFmIT22UixP9\e4f37c3d9ef7c4d320675b1b8b232d3ec88be5ccf9c162d437cade68b4b1dea0d.exe

Filesize
380KB

MD5
879035b3ad7a28a29e555b10d3865f83

SHA1
8c61d070f5e8db8b351ffbf22ecede8af03e2a15

SHA256
4379ceda887fe7f0b4bee51eaffd2f37fe72345db02dea4d94af0890011bb171

SHA512
deb477ffaca691043e8bbfb41b8a8f67c1ce8521c39e0f99231c480d50552653b31a80bdf6dd7b2b1803356eed8d09b212427cb78f906a86178c50ef478d490f

Download Submit
C:\Users\Admin\AppData\Local\Temp\DM\4f37c3d9ef7c4d320675b1b8b232d3ec88be5ccf9c162d437cade68b4b1dea0d.exe\yJfrFmIT22UixP9\installer.exe

Filesize
509KB

MD5
e4f603b959d1b0f531fcebdcd94e6f57

SHA1
a8aa0cdbec0072c4beb91e744be62f7e7fc717e3

SHA256
4f37c3d9ef7c4d320675b1b8b232d3ec88be5ccf9c162d437cade68b4b1dea0d

SHA512
b39621849bd0d931b1e81f0e7db98466863e81996ef420d35ef898fa1e554d3ac5e0678534d3b780d955385555ecdfc5d19cc725c9f9929dff8e054801ea68ac

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsoF8BE.tmp\pwgen.dll

Filesize
16KB

MD5
a555472395178ac8c733d90928e05017

SHA1
f44b192d66473f01a6540aaec4b6c9ac4c611d35

SHA256
82ae08fced4a1f9a7df123634da5f4cb12af4593a006bef421a54739a2cbd44e

SHA512
e6d87b030c45c655d93b2e76d7437ad900df5da2475dd2e6e28b6c872040491e80f540b00b6091d16bc8410bd58a1e82c62ee1b17193ef8500a153d4474bb80a

Download Submit
memory/808-144-0x00007FFFDE600000-0x00007FFFDF036000-memory.dmp

Filesize
10.2MB

Download
memory/808-145-0x0000000000EAA000-0x0000000000EAF000-memory.dmp

Filesize
20KB

Download
memory/808-147-0x0000000000EAA000-0x0000000000EAF000-memory.dmp

Filesize
20KB

Download
memory/4084-139-0x0000000072CC0000-0x0000000073271000-memory.dmp

Filesize
5.7MB

Download
memory/4084-137-0x0000000072CC0000-0x0000000073271000-memory.dmp

Filesize
5.7MB

Download