5fa1f53785578cd6cafe5b625be0030e0e133aecd3a7d4d6987cbd4c867b897a

Analysis

max time kernel
321s
max time network
377s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
26/11/2022, 13:01

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General

Target
file.exe
Size 2.1MB
Sample221126-p88casec29
SHA256 5fa1f53785578cd6cafe5b625be0030e0e133aecd3a7d4d6987cbd4c867b897a
MD5 98ed15c44dd4babe4bc2718db9d9384c
SHA1 e2d89d7a2de7c120b882b7efb1a569ef12bac6d2
SHA512 eead2dcf1501814dd29a338742141834884bd6f627080d090deed36d61270ead361ed66486b153a756e0c6043b732286c85b7aa35be562f772402690ce27163c
SSDEEP 49152:IxoomgfM/Ymb8QhglXTxhJwiMggCHcAG5cyv:IxopEmgdTL+vggC8Xcyv
MD5 SHA1 SHA512 SSDEEP

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4444	is-EN5J5.tmp

Loads dropped DLL 1 IoCs

pid	Process
4444	is-EN5J5.tmp

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\PrintFolders\unins000.dat	is-EN5J5.tmp

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 3 IoCs

description	pid	Process	procid_target
PID 5104 wrote to memory of 4444	5104	file.exe	84
PID 5104 wrote to memory of 4444	5104	file.exe	84
PID 5104 wrote to memory of 4444	5104	file.exe	84

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:5104
- C:\Users\Admin\AppData\Local\Temp\is-HTDC9.tmp\is-EN5J5.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-HTDC9.tmp\is-EN5J5.tmp" /SL4 $180046 "C:\Users\Admin\AppData\Local\Temp\file.exe" 1930694 51712
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  PID:4444

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

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Downloads

is-EN5J5.tmp

Path C:\Users\Admin\AppData\Local\Temp\is-HTDC9.tmp\is-EN5J5.tmp
Size 643KB
SHA256 b5cd942dd7019c1cda1715e4ce942094c41ad1e7bc7c5f63fe3ab7d97bc5a021
MD5 363a4d2aa5d6cf5cbb2267cccf0c4436
SHA1 a4cdb756698ed28f522956166a6292e9e309dd9c
SHA512 b5929be6e258a63557f376b50a40f6d465cbd372a88e7dcae7944faacb9181cd55873f52dee99cee2e3705596b3b55cb6f784db800f5a32f06e63b9ead3e7c70
SSDEEP 12288:Jh5UooqWolrP837JzHvA6izJgnnyFNmayiAZrv4xp:f5NoqWolrP837JzHvA6yknyWFxv4xp
MD5 SHA1 SHA512 SSDEEP

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is-EN5J5.tmp

Path C:\Users\Admin\AppData\Local\Temp\is-HTDC9.tmp\is-EN5J5.tmp
Size 643KB
SHA256 b5cd942dd7019c1cda1715e4ce942094c41ad1e7bc7c5f63fe3ab7d97bc5a021
MD5 363a4d2aa5d6cf5cbb2267cccf0c4436
SHA1 a4cdb756698ed28f522956166a6292e9e309dd9c
SHA512 b5929be6e258a63557f376b50a40f6d465cbd372a88e7dcae7944faacb9181cd55873f52dee99cee2e3705596b3b55cb6f784db800f5a32f06e63b9ead3e7c70
SSDEEP 12288:Jh5UooqWolrP837JzHvA6izJgnnyFNmayiAZrv4xp:f5NoqWolrP837JzHvA6yknyWFxv4xp
MD5 SHA1 SHA512 SSDEEP

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_iscrypt.dll

Path C:\Users\Admin\AppData\Local\Temp\is-NCMIA.tmp\_iscrypt.dll
Size 2KB
SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
MD5 a69559718ab506675e907fe49deb71e9
SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
MD5 SHA1 SHA512

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memory/5104-132-0x0000000000400000-0x0000000000413000-memory.dmp

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memory/5104-134-0x0000000000400000-0x0000000000413000-memory.dmp

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memory/5104-135-0x0000000000400000-0x0000000000413000-memory.dmp

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Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads