740b4bd4b3124f3cec090d370e4102e045af6a6030ed0711c0ab8e07d7c5df85

General

Target

c9775fbc7ab6d2860da756840995599b.exe
Size

907KB
MD5

c9775fbc7ab6d2860da756840995599b
SHA1

56dd8fe7e560e501d5c7c874720168640bca547b
SHA256

740b4bd4b3124f3cec090d370e4102e045af6a6030ed0711c0ab8e07d7c5df85
SHA512

3381a6fe131ff4564774036926e51694843dc082ea19a174526a4eeb0369b723cec0ac1b3b92404eaac999b8ff65bf281d3b5945c0a344944b603a4b0c39b4aa
SSDEEP

12288:NpBo8Q1t4mAtsidfMNSFcGOly2NNNjCEs3ACnB5jVDa/ZS1:Zo8QX9AtddAcXOlKOwZa/ZS1

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2480	c9775fbc7ab6d2860da756840995599b.exe

Executes dropped EXE 1 IoCs

pid	Process
2480	c9775fbc7ab6d2860da756840995599b.exe

Loads dropped DLL 1 IoCs

pid	Process
2024	c9775fbc7ab6d2860da756840995599b.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
3	pastebin.com
4	pastebin.com

Modifies system certificate store 2 TTPs 3 IoCs

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474	c9775fbc7ab6d2860da756840995599b.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	c9775fbc7ab6d2860da756840995599b.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	c9775fbc7ab6d2860da756840995599b.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2024	c9775fbc7ab6d2860da756840995599b.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2024	c9775fbc7ab6d2860da756840995599b.exe
2480	c9775fbc7ab6d2860da756840995599b.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2024 wrote to memory of 2480	2024	c9775fbc7ab6d2860da756840995599b.exe	29
PID 2024 wrote to memory of 2480	2024	c9775fbc7ab6d2860da756840995599b.exe	29
PID 2024 wrote to memory of 2480	2024	c9775fbc7ab6d2860da756840995599b.exe	29
PID 2024 wrote to memory of 2480	2024	c9775fbc7ab6d2860da756840995599b.exe	29

C:\Users\Admin\AppData\Local\Temp\c9775fbc7ab6d2860da756840995599b.exe
"C:\Users\Admin\AppData\Local\Temp\c9775fbc7ab6d2860da756840995599b.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2024
- C:\Users\Admin\AppData\Local\Temp\c9775fbc7ab6d2860da756840995599b.exe
  C:\Users\Admin\AppData\Local\Temp\c9775fbc7ab6d2860da756840995599b.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2480

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Subvert Trust Controls

1

T1553

Install Root Certificate

1

T1553.004

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

Filesize
67KB

MD5
753df6889fd7410a2e9fe333da83a429

SHA1
3c425f16e8267186061dd48ac1c77c122962456e

SHA256
b42dc237e44cbc9a43400e7d3f9cbd406dbdefd62bfe87328f8663897d69df78

SHA512
9d56f79410ad0cf852c74c3ef9454e7ae86e80bdd6ff67773994b48ccac71142bcf5c90635da6a056e1406e81e64674db9584928e867c55b77b59e2851cf6444

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar48F9.tmp

Filesize
175KB

MD5
dd73cead4b93366cf3465c8cd32e2796

SHA1
74546226dfe9ceb8184651e920d1dbfb432b314e

SHA256
a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

SHA512
ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

Download Submit
C:\Users\Admin\AppData\Local\Temp\c9775fbc7ab6d2860da756840995599b.exe

Filesize
192KB

MD5
057f4a71089d4db842cc27f483652f4e

SHA1
cf8a81fbf5d6446ce193927a614794e1b5215cc2

SHA256
11d1cf154b2a82d5a3ab0ca5453b04cd57fa1b77aafe8f63727160689ae9dd86

SHA512
87253909fd207484f6021d1c835bdcf1f9ed132d0bfed1675e561e842495eadb98144865ebe05ec498ee4e691193835a38af3d923356188610588bccacd99a1d

Download Submit
\Users\Admin\AppData\Local\Temp\c9775fbc7ab6d2860da756840995599b.exe

Filesize
384KB

MD5
2ae983af49bcb9baa0505e61e7581a95

SHA1
065baefec3823df78237547e213f03c8e1a0ff84

SHA256
36cb33e54f061ab48dcd3cdffc4fab333eaa815deb65f15234a1ad5837a5c446

SHA512
53109e753f013aaa112d02da7adae1877a203d8ff3c07217875b1ecb997cf2173493f41bfae00c4cfebb747486eb78f3a43dc7878c2649d3c89d41f832d096df

Download Submit
memory/2024-14-0x0000000003150000-0x0000000003238000-memory.dmp

Filesize
928KB

Download
memory/2024-13-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2024-0-0x0000000000400000-0x00000000004E8000-memory.dmp

Filesize
928KB

Download
memory/2024-3-0x00000000014F0000-0x00000000015D8000-memory.dmp

Filesize
928KB

Download
memory/2024-1-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2480-16-0x0000000000400000-0x00000000004E8000-memory.dmp

Filesize
928KB

Download
memory/2480-19-0x00000000015B0000-0x0000000001698000-memory.dmp

Filesize
928KB

Download
memory/2480-23-0x0000000000400000-0x0000000000498000-memory.dmp

Filesize
608KB

Download
memory/2480-26-0x0000000002FB0000-0x000000000306B000-memory.dmp

Filesize
748KB

Download
memory/2480-81-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/2480-83-0x00000000098F0000-0x0000000009988000-memory.dmp

Filesize
608KB

Download

Analysis

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