c857fdc5c13d5adf095230ee8d75fa9e4515fb8e161c204209a09c4d1b158b2b

Analysis

max time kernel
150s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
11/04/2023, 19:38

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

c857fdc5c13d5adf095230ee8d75fa9e4515fb8e161c204209a09c4d1b158b2b.exe
Size

1.7MB
MD5

70205f3ba63ff1980474c2d651f5aa70
SHA1

cab6f06be647bcb20b78edd1fabf51809e5a55fd
SHA256

c857fdc5c13d5adf095230ee8d75fa9e4515fb8e161c204209a09c4d1b158b2b
SHA512

359b674fa1ab3d2f9f71ebef2f53f3663f778be851471fae00c3155a1f46c7da7ee035eaa7dd133d79667eca3c42f349a81b5ac1bd0feb2bd17d6d1fb113d51e
SSDEEP

49152:oGpRduNGtBXDT4RQimeyor35/N0tfDQTHvi:1pR4Qr38Qimo1FTHvi

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1884	is-RGGU6.tmp

Loads dropped DLL 3 IoCs

pid	Process
1884	is-RGGU6.tmp
1884	is-RGGU6.tmp
1884	is-RGGU6.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 4680 wrote to memory of 1884	4680	c857fdc5c13d5adf095230ee8d75fa9e4515fb8e161c204209a09c4d1b158b2b.exe	84
PID 4680 wrote to memory of 1884	4680	c857fdc5c13d5adf095230ee8d75fa9e4515fb8e161c204209a09c4d1b158b2b.exe	84
PID 4680 wrote to memory of 1884	4680	c857fdc5c13d5adf095230ee8d75fa9e4515fb8e161c204209a09c4d1b158b2b.exe	84

C:\Users\Admin\AppData\Local\Temp\c857fdc5c13d5adf095230ee8d75fa9e4515fb8e161c204209a09c4d1b158b2b.exe
"C:\Users\Admin\AppData\Local\Temp\c857fdc5c13d5adf095230ee8d75fa9e4515fb8e161c204209a09c4d1b158b2b.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4680
- C:\Users\Admin\AppData\Local\Temp\is-F1T1R.tmp\is-RGGU6.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-F1T1R.tmp\is-RGGU6.tmp" /SL4 $80030 "C:\Users\Admin\AppData\Local\Temp\c857fdc5c13d5adf095230ee8d75fa9e4515fb8e161c204209a09c4d1b158b2b.exe" 1563456 57344
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1884

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\is-54DVF.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-54DVF.tmp\_isetup\_isdecmp.dll

Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-54DVF.tmp\_isetup\_isdecmp.dll

Filesize
13KB

MD5
a813d18268affd4763dde940246dc7e5

SHA1
c7366e1fd925c17cc6068001bd38eaef5b42852f

SHA256
e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

SHA512
b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-F1T1R.tmp\is-RGGU6.tmp

Filesize
647KB

MD5
9866768dc1708a06a547e3d52fdbd076

SHA1
7ff59795226a4e95eb49cdd9008932378e39960d

SHA256
6cc454c66c62cf8f5fef6bf0fe04295fb13c38783c33d13e0b2182b06142417f

SHA512
d4f3d4c1c3bb8c08c1293248b0f905fb2a9cb95ba169bd6b5b417df8713f655a22c9cbc4638a5d9bcc6be3e3e3584f7d511e6eb20138493f748a75c413bb331d

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-F1T1R.tmp\is-RGGU6.tmp

Filesize
647KB

MD5
9866768dc1708a06a547e3d52fdbd076

SHA1
7ff59795226a4e95eb49cdd9008932378e39960d

SHA256
6cc454c66c62cf8f5fef6bf0fe04295fb13c38783c33d13e0b2182b06142417f

SHA512
d4f3d4c1c3bb8c08c1293248b0f905fb2a9cb95ba169bd6b5b417df8713f655a22c9cbc4638a5d9bcc6be3e3e3584f7d511e6eb20138493f748a75c413bb331d

Download Submit
memory/1884-154-0x0000000000650000-0x0000000000651000-memory.dmp

Filesize
4KB

Download
memory/1884-156-0x0000000000400000-0x00000000004B1000-memory.dmp

Filesize
708KB

Download
memory/4680-133-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4680-155-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download