crimsonrat | e38c39e302de158d22e8d0ba9cd6cc9368817bc611418a5777d00b90a9341404

Analysis

max time kernel
37s
max time network
37s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
14-08-2024 08:36

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General

Target

e38c39e302de158d22e8d0ba9cd6cc9368817bc611418a5777d00b90a9341404.docm
Size

4.6MB
MD5

22ce9042f6f78202c6c346cef1b6e532
SHA1

b67712125dce3f8b5d197fcc46aaf627da2fb7eb
SHA256

e38c39e302de158d22e8d0ba9cd6cc9368817bc611418a5777d00b90a9341404
SHA512

0337aefbfd63ff8081d75d552ec28cfbb4d5b710d32051dc7929796d7a24a4b19e9b17a255f7c7b1706d3c91286f19edc473b97f3fef695f2b0c0de060afb865
SSDEEP

98304:JWnSXYZsDL1nxNUQfbqKh1nshu8JOH0sLbl9t0/ZwiwrYSMlGortsUDIS7JuLYsa:0niUs39sQeK8uY+Jl9MZwdrDMlGorts2

Score

10^/10

crimsonrat rat

Malware Config

Extracted

Family

crimsonrat

162.245.191.217

Signatures

CrimsonRat
Crimson RAT is a malware linked to a Pakistani-linked threat actor.
rat crimsonrat
Executes dropped EXE 1 IoCs

Processes:

vteijam hdgtra.exe

pid process

3232 vteijam hdgtra.exe

pid	process
3232	vteijam hdgtra.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

WINWORD.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WINWORD.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

WINWORD.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.EXE

NTFS ADS 1 IoCs

Processes:

WINWORD.EXE

description ioc process

File created C:\Users\Admin\Wrdix47\domcxs\:Zone.Identifier:$DATA WINWORD.EXE
Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

1556 WINWORD.EXE
1556 WINWORD.EXE
Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

WINWORD.EXE

pid process

1556 WINWORD.EXE
1556 WINWORD.EXE
1556 WINWORD.EXE
1556 WINWORD.EXE

description	ioc	process
File created	C:\Users\Admin\Wrdix47\domcxs\:Zone.Identifier:$DATA	WINWORD.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

WINWORD.EXE

pid	process
1556	WINWORD.EXE
1556	WINWORD.EXE
1556	WINWORD.EXE
1556	WINWORD.EXE
1556	WINWORD.EXE
1556	WINWORD.EXE
1556	WINWORD.EXE
1556	WINWORD.EXE
1556	WINWORD.EXE
1556	WINWORD.EXE
1556	WINWORD.EXE
1556	WINWORD.EXE

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

WINWORD.EXE

description	pid	process	target process
PID 1556 wrote to memory of 3232	1556	WINWORD.EXE	vteijam hdgtra.exe
PID 1556 wrote to memory of 3232	1556	WINWORD.EXE	vteijam hdgtra.exe

C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\e38c39e302de158d22e8d0ba9cd6cc9368817bc611418a5777d00b90a9341404.docm" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1556
- C:\Users\Admin\Wrdix47\vteijam hdgtra.exe
  "C:\Users\Admin\Wrdix47\vteijam hdgtra.exe"
  2⤵
  - Executes dropped EXE
  PID:3232

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Content.MSO\25089B5D.png

Filesize
1KB

MD5
fcf7aca9ef3ef128bae0f0a6359ced50

SHA1
a7c51e9af08284373644b3a93c0e4a4c659e5fc2

SHA256
f7af856d2330e148621403f404dd9b64abb6f242af2d00e8f4c545aaf125bfde

SHA512
5b888834474f77234f5689b189ac4810f0e5aaec6ed87c5e8afb37765ce4f012043d4448b0bb62c404b53d5367fbf8b92f4671dea8f4628f7c5df78694c89e80

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Content.MSO\7B6BF1BA.png

Filesize
176B

MD5
a9cf5a05a009c224bb6a1eae6edb2af6

SHA1
a20a33b3e923fe851d0bffd6bf4204267ce15614

SHA256
bf4f7e58f204c63c081988069d298ccbb09638d225579924c0d74731784013f7

SHA512
d4199e058db4393b1528106e13fbb49c5c7019302817dda9d8b1ffb9b8c67eeda41fae7cbe9e2b20f74206fce3954f86249cd88390c8295e97ae9ab99aaaeb66

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Content.MSO\BBBB3E81.png

Filesize
171B

MD5
6e7e9038f1b6b12632cdecb3e6ed8d27

SHA1
2058595527b869e7e5a290fd53fd76b9ca391ebe

SHA256
793bddf94b4e62ad0e2fe3c24f90217da88d1786fc36cde93997e0d9c45e1cf6

SHA512
3313334dfd533cd5fabb0e003269a7f6e8e4787e31649516cd12d07fa40c830cf53dc06d8cf3e2850c6df2280ae54286433472e72c166a5dea437116f97de4ae

Download Submit
C:\Users\Admin\AppData\Local\Temp\TCD2D54.tmp\gb.xsl

Filesize
262KB

MD5
51d32ee5bc7ab811041f799652d26e04

SHA1
412193006aa3ef19e0a57e16acf86b830993024a

SHA256
6230814bf5b2d554397580613e20681752240ab87fd354ececf188c1eabe0e97

SHA512
5fc5d889b0c8e5ef464b76f0c4c9e61bda59b2d1205ac9417cc74d6e9f989fb73d78b4eb3044a1a1e1f2c00ce1ca1bd6d4d07eeadc4108c7b124867711c31810

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Office\Recent\index.dat

Filesize
415B

MD5
71aa2e3eb5f9e8bed476d9f3e5fba7bc

SHA1
7f35a6d6df680c4024335d3e78e27a41390276b7

SHA256
968f405581eec0f84a85405b25ef5e6c8ece894e206d665aef18acb4e9cfb84e

SHA512
08ac8d340f5f1c2f1465fe08e137858c74d6f877a7aa28ce6d2ad4a9d8051613cbf47cd52898f13b97c15ce3a36ea9080bb4f70fdbdbc707614398e2b364df1c

Download Submit
C:\Users\Admin\Documents\e38c39e302de158d22e8d0ba9cd6cc9368817bc611418a5777d00b90a9341404.docm.docx

Filesize
117KB

MD5
efed06b2fd437d6008a10d470e2c519f

SHA1
f23dc3a76b73df7e4e73c34497681805e823c09f

SHA256
858fa6814f8393cfaaee59ccf303cf26b18b3d7e8a2471785c733784083b602d

SHA512
58d6ea94cfd431c2cee2944579d0f29f14b8fd2d9cf674ac18ba3f894cfe7c34e1e8520b217194c83ec47ff295f37b4fbd479a7e81f7f3f296f60c2625dd0618

Download Submit
C:\Users\Admin\Wrdix47\domcxs.zip

Filesize
4.6MB

MD5
22ce9042f6f78202c6c346cef1b6e532

SHA1
b67712125dce3f8b5d197fcc46aaf627da2fb7eb

SHA256
e38c39e302de158d22e8d0ba9cd6cc9368817bc611418a5777d00b90a9341404

SHA512
0337aefbfd63ff8081d75d552ec28cfbb4d5b710d32051dc7929796d7a24a4b19e9b17a255f7c7b1706d3c91286f19edc473b97f3fef695f2b0c0de060afb865

Download Submit
C:\Users\Admin\Wrdix47\domcxs.zip:Zone.Identifier

Filesize
26B

MD5
fbccf14d504b7b2dbcb5a5bda75bd93b

SHA1
d59fc84cdd5217c6cf74785703655f78da6b582b

SHA256
eacd09517ce90d34ba562171d15ac40d302f0e691b439f91be1b6406e25f5913

SHA512
aa1d2b1ea3c9de3ccadb319d4e3e3276a2f27dd1a5244fe72de2b6f94083dddc762480482c5c2e53f803cd9e3973ddefc68966f974e124307b5043e654443b98

Download Submit
C:\Users\Admin\Wrdix47\vteijam hdgtra.exe

Filesize
11.9MB

MD5
1d493e326d91c53e0f2f4320fb689d5f

SHA1
e8b470e808fab757e685ee2bf8b677cd3fd082cd

SHA256
a833dbdc5c2113da51bf778351834682bc6220461394050e04592cd9096e0aba

SHA512
9e5d16935b46caf3b729d2fd4cca25d06fbcca737016adfe57188cfa1d5ca5153ee6a81c9267e3f9ab7f377e2388c6110b8908a717462f950f77386b21dc49d7

Download Submit
C:\Users\Admin\Wrdix47\word\vteijam hdgtra.zip

Filesize
4.6MB

MD5
e31ac765d1e97698bc1efe443325e497

SHA1
930e2525c58d7509826be955f6d24b24370f7b25

SHA256
ce556d55e07bf6b57e3e086e57e9c52552ac7f00adf4a7c9f99bbc21a5ac26c2

SHA512
d11088e02895452a1af0df8e47449aa3150fa8c3c671bf2cd75a45c3e17ad816686dd765b7734d3310d55756ee50db3d5312e89259a10987d4bfe8354b4c98d1

Download Submit
memory/1556-10-0x00007FF93BCB0000-0x00007FF93BCC0000-memory.dmp

Filesize
64KB

Download
memory/1556-54-0x00007FF97E390000-0x00007FF97E585000-memory.dmp

Filesize
2.0MB

Download
memory/1556-14-0x00007FF97E390000-0x00007FF97E585000-memory.dmp

Filesize
2.0MB

Download
memory/1556-13-0x00007FF97E390000-0x00007FF97E585000-memory.dmp

Filesize
2.0MB

Download
memory/1556-12-0x00007FF97E390000-0x00007FF97E585000-memory.dmp

Filesize
2.0MB

Download
memory/1556-20-0x00007FF97E390000-0x00007FF97E585000-memory.dmp

Filesize
2.0MB

Download
memory/1556-19-0x00007FF93BCB0000-0x00007FF93BCC0000-memory.dmp

Filesize
64KB

Download
memory/1556-22-0x00007FF97E390000-0x00007FF97E585000-memory.dmp

Filesize
2.0MB

Download
memory/1556-21-0x00007FF97E390000-0x00007FF97E585000-memory.dmp

Filesize
2.0MB

Download
memory/1556-18-0x00007FF97E390000-0x00007FF97E585000-memory.dmp

Filesize
2.0MB

Download
memory/1556-17-0x00007FF97E390000-0x00007FF97E585000-memory.dmp

Filesize
2.0MB

Download
memory/1556-16-0x00007FF97E390000-0x00007FF97E585000-memory.dmp

Filesize
2.0MB

Download
memory/1556-15-0x00007FF97E390000-0x00007FF97E585000-memory.dmp

Filesize
2.0MB

Download
memory/1556-6-0x00007FF97E390000-0x00007FF97E585000-memory.dmp

Filesize
2.0MB

Download
memory/1556-11-0x00007FF97E390000-0x00007FF97E585000-memory.dmp

Filesize
2.0MB

Download
memory/1556-1-0x00007FF93E410000-0x00007FF93E420000-memory.dmp

Filesize
64KB

Download
memory/1556-8-0x00007FF97E390000-0x00007FF97E585000-memory.dmp

Filesize
2.0MB

Download
memory/1556-9-0x00007FF97E390000-0x00007FF97E585000-memory.dmp

Filesize
2.0MB

Download
memory/1556-2-0x00007FF93E410000-0x00007FF93E420000-memory.dmp

Filesize
64KB

Download
memory/1556-7-0x00007FF97E390000-0x00007FF97E585000-memory.dmp

Filesize
2.0MB

Download
memory/1556-5-0x00007FF93E410000-0x00007FF93E420000-memory.dmp

Filesize
64KB

Download
memory/1556-4-0x00007FF97E42D000-0x00007FF97E42E000-memory.dmp

Filesize
4KB

Download
memory/1556-0-0x00007FF93E410000-0x00007FF93E420000-memory.dmp

Filesize
64KB

Download
memory/1556-3-0x00007FF93E410000-0x00007FF93E420000-memory.dmp

Filesize
64KB

Download
memory/1556-683-0x00007FF97E390000-0x00007FF97E585000-memory.dmp

Filesize
2.0MB

Download
memory/1556-684-0x00007FF97E390000-0x00007FF97E585000-memory.dmp

Filesize
2.0MB

Download
memory/3232-446-0x000001660C700000-0x000001660D2E0000-memory.dmp

Filesize
11.9MB

Download