22e5bc726793a68e6c56b2ca49f321f6503b90737547db20f6e153e747d63276

Analysis

max time kernel
33s
max time network
48s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
31/01/2023, 02:31

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General

Target

Mirillis Action!/Setup.exe
Size

105.8MB
MD5

919960e54a9f254e3c69d662ab8fe4a3
SHA1

eb160dca4bda8d7e80061dfff24adb6e6f07b73b
SHA256

2a578e10fe4deddfd9e138e7b72cb4eba9d6951459b07397618622afd68289c0
SHA512

b076e2df0d506acc1512941901c16f4ae6135e7d71cc81310a3a1d0e5a3204049d83dcf4acc9b477e207302453b9e0ad2e101bef8edcc8924266ac84916c65dc
SSDEEP

3145728:sm6VEt+IgHZ5yfF6UBgUaMZn7UC19BzmwN:sQt/w5wfa+PVt

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1272	action_setup.exe

Loads dropped DLL 8 IoCs

pid	Process
1032	Setup.exe
1032	Setup.exe
1032	Setup.exe
1032	Setup.exe
1272	action_setup.exe
1272	action_setup.exe
1272	action_setup.exe
1272	action_setup.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 7 IoCs

description	pid	Process	procid_target
PID 1032 wrote to memory of 1272	1032	Setup.exe	27
PID 1032 wrote to memory of 1272	1032	Setup.exe	27
PID 1032 wrote to memory of 1272	1032	Setup.exe	27
PID 1032 wrote to memory of 1272	1032	Setup.exe	27
PID 1032 wrote to memory of 1272	1032	Setup.exe	27
PID 1032 wrote to memory of 1272	1032	Setup.exe	27
PID 1032 wrote to memory of 1272	1032	Setup.exe	27

C:\Users\Admin\AppData\Local\Temp\Mirillis Action!\Setup.exe
"C:\Users\Admin\AppData\Local\Temp\Mirillis Action!\Setup.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1032
- C:\Users\Admin\AppData\Local\Temp\action_setup.exe
  "C:\Users\Admin\AppData\Local\Temp\action_setup.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1272

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\action_setup.exe

Filesize
103.8MB

MD5
afe5386fb2601106c6262b9ab1d2178d

SHA1
a532a3c0946f5939c8326992e800e056e80426e8

SHA256
553fd0a5dce585787c5ee0c653f96d5ef9d01e435e5d91602e2831267870b0c6

SHA512
8076791bd5d3c0d258c907283782ae77bc6d96ddb7a526f6a150cdc9b8dfe13434bbb4b6c98bf8dd74f9429990efb132f8dc9f3456e7b207efaf2cfdb7bafdf6

Download Submit
C:\Users\Admin\AppData\Local\Temp\action_setup.exe

Filesize
103.8MB

MD5
afe5386fb2601106c6262b9ab1d2178d

SHA1
a532a3c0946f5939c8326992e800e056e80426e8

SHA256
553fd0a5dce585787c5ee0c653f96d5ef9d01e435e5d91602e2831267870b0c6

SHA512
8076791bd5d3c0d258c907283782ae77bc6d96ddb7a526f6a150cdc9b8dfe13434bbb4b6c98bf8dd74f9429990efb132f8dc9f3456e7b207efaf2cfdb7bafdf6

Download Submit
\Users\Admin\AppData\Local\Temp\action_setup.exe

Filesize
103.8MB

MD5
afe5386fb2601106c6262b9ab1d2178d

SHA1
a532a3c0946f5939c8326992e800e056e80426e8

SHA256
553fd0a5dce585787c5ee0c653f96d5ef9d01e435e5d91602e2831267870b0c6

SHA512
8076791bd5d3c0d258c907283782ae77bc6d96ddb7a526f6a150cdc9b8dfe13434bbb4b6c98bf8dd74f9429990efb132f8dc9f3456e7b207efaf2cfdb7bafdf6

Download Submit
\Users\Admin\AppData\Local\Temp\action_setup.exe

Filesize
103.8MB

MD5
afe5386fb2601106c6262b9ab1d2178d

SHA1
a532a3c0946f5939c8326992e800e056e80426e8

SHA256
553fd0a5dce585787c5ee0c653f96d5ef9d01e435e5d91602e2831267870b0c6

SHA512
8076791bd5d3c0d258c907283782ae77bc6d96ddb7a526f6a150cdc9b8dfe13434bbb4b6c98bf8dd74f9429990efb132f8dc9f3456e7b207efaf2cfdb7bafdf6

Download Submit
\Users\Admin\AppData\Local\Temp\action_setup.exe

Filesize
103.8MB

MD5
afe5386fb2601106c6262b9ab1d2178d

SHA1
a532a3c0946f5939c8326992e800e056e80426e8

SHA256
553fd0a5dce585787c5ee0c653f96d5ef9d01e435e5d91602e2831267870b0c6

SHA512
8076791bd5d3c0d258c907283782ae77bc6d96ddb7a526f6a150cdc9b8dfe13434bbb4b6c98bf8dd74f9429990efb132f8dc9f3456e7b207efaf2cfdb7bafdf6

Download Submit
\Users\Admin\AppData\Local\Temp\action_setup.exe

Filesize
103.8MB

MD5
afe5386fb2601106c6262b9ab1d2178d

SHA1
a532a3c0946f5939c8326992e800e056e80426e8

SHA256
553fd0a5dce585787c5ee0c653f96d5ef9d01e435e5d91602e2831267870b0c6

SHA512
8076791bd5d3c0d258c907283782ae77bc6d96ddb7a526f6a150cdc9b8dfe13434bbb4b6c98bf8dd74f9429990efb132f8dc9f3456e7b207efaf2cfdb7bafdf6

Download Submit
\Users\Admin\AppData\Local\Temp\nsoCBDA.tmp\LangDLL.dll

Filesize
292KB

MD5
b32d5a2a5018293cefbebcabe7c54fb9

SHA1
365517d481172f946109a963956ea2a070b697cd

SHA256
f90863383c79af5e3c7969adc24320156651d3443ec63679c986b2ebbe78af8e

SHA512
c50ade226238ab052a08843dfd1cce3496cbd973f1cd5d775f32f5670529897ba5845981d4772671f7b2b77e23ad6a935f3f48d363fceea31bb89e5a4781480f

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

Filesize
11KB

MD5
bf712f32249029466fa86756f5546950

SHA1
75ac4dc4808ac148ddd78f6b89a51afbd4091c2e

SHA256
7851cb12fa4131f1fee5de390d650ef65cac561279f1cfe70ad16cc9780210af

SHA512
13f69959b28416e0b8811c962a49309dca3f048a165457051a28a3eb51377dcaf99a15e86d7eee8f867a9e25ecf8c44da370ac8f530eeae7b5252eaba64b96f4

Download Submit
\Users\Admin\AppData\Local\Temp\nsoCBDA.tmp\UserInfo.dll

Filesize
4KB

MD5
c7ce0e47c83525983fd2c4c9566b4aad

SHA1
38b7ad7bb32ffae35540fce373b8a671878dc54e

SHA256
6293408a5fa6d0f55f0a4d01528eb5b807ee9447a75a28b5986267475ebcd3ae

SHA512
ee9f23ea5210f418d4c559628bbfb3a0f892440bcd5dc4c1901cb8e510078e4481ea8353b262795076a19055e70b88e08fee5fb7e8f35a6f49022096408df20e

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

Filesize
9KB

MD5
4ccc4a742d4423f2f0ed744fd9c81f63

SHA1
704f00a1acc327fd879cf75fc90d0b8f927c36bc

SHA256
416133dd86c0dff6b0fcaf1f46dfe97fdc85b37f90effb2d369164a8f7e13ae6

SHA512
790c5eb1f8b297e45054c855b66dfc18e9f3f1b1870559014dbefa3b9d5b6d33a993a9e089202e70f51a55d859b74e8605c6f633386fd9189b6f78941bf1bfdb

Download Submit
memory/1032-54-0x0000000075601000-0x0000000075603000-memory.dmp

Filesize
8KB

Download