ba7213941d57e1d2385c9b310d3188fe1f7384d9bbd649cb7aa9cfb2885021f8

General

Target

b8ca888dc952a15e60c707d45100baaf.exe
Size

385KB
MD5

b8ca888dc952a15e60c707d45100baaf
SHA1

1c1951271bdb44810c05b2b021ecd6aab28e2560
SHA256

ba7213941d57e1d2385c9b310d3188fe1f7384d9bbd649cb7aa9cfb2885021f8
SHA512

47b681846c9c59c54ec930f486ac1215654675fbc43a8c3651852c02c52b619853939360c2cc15237d84f52baa097da9606fdab1bc379cf950f08133e4ed4c54
SSDEEP

12288:RZR9j8b5EEHG9kUrVleKAT6QDViCAQfgC8B:jR94+Osz1yDViCAoV8B

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2116	b8ca888dc952a15e60c707d45100baaf.exe

Executes dropped EXE 1 IoCs

pid	Process
2116	b8ca888dc952a15e60c707d45100baaf.exe

Loads dropped DLL 1 IoCs

pid	Process
1300	b8ca888dc952a15e60c707d45100baaf.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	b8ca888dc952a15e60c707d45100baaf.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	b8ca888dc952a15e60c707d45100baaf.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	b8ca888dc952a15e60c707d45100baaf.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1300	b8ca888dc952a15e60c707d45100baaf.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1300	b8ca888dc952a15e60c707d45100baaf.exe
2116	b8ca888dc952a15e60c707d45100baaf.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1300 wrote to memory of 2116	1300	b8ca888dc952a15e60c707d45100baaf.exe	28
PID 1300 wrote to memory of 2116	1300	b8ca888dc952a15e60c707d45100baaf.exe	28
PID 1300 wrote to memory of 2116	1300	b8ca888dc952a15e60c707d45100baaf.exe	28
PID 1300 wrote to memory of 2116	1300	b8ca888dc952a15e60c707d45100baaf.exe	28

C:\Users\Admin\AppData\Local\Temp\b8ca888dc952a15e60c707d45100baaf.exe
"C:\Users\Admin\AppData\Local\Temp\b8ca888dc952a15e60c707d45100baaf.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1300
- C:\Users\Admin\AppData\Local\Temp\b8ca888dc952a15e60c707d45100baaf.exe
  C:\Users\Admin\AppData\Local\Temp\b8ca888dc952a15e60c707d45100baaf.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2116

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\Tar913F.tmp

Filesize
175KB

MD5
dd73cead4b93366cf3465c8cd32e2796

SHA1
74546226dfe9ceb8184651e920d1dbfb432b314e

SHA256
a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

SHA512
ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

Download Submit
C:\Users\Admin\AppData\Local\Temp\b8ca888dc952a15e60c707d45100baaf.exe

Filesize
385KB

MD5
fe9c546cae8949933187bdb872af7590

SHA1
5c212160f8ef04cfd043e8c7f0576857f7099bea

SHA256
24b278b569c38cf5a63d669d2eedf2e34b0c58a861e161201aad64c68a8e09b4

SHA512
2a584d4ef232f5532dcf6f16db4426b1f96b818639e2618f840ec5d31f6b057734bafc9207927ca718b7cf5963e2285015928b91d6c5361d76868513b1b22078

Download Submit
\Users\Admin\AppData\Local\Temp\b8ca888dc952a15e60c707d45100baaf.exe

Filesize
384KB

MD5
189567a839ae5a9ed9854dd54a4f9e51

SHA1
c76c4d390206fad73fc0818bb10677a935cad4ea

SHA256
9a403c7a4df45e79351442cf4c0b78ec9ac0172db0b3ffe91d2f947e04e8928b

SHA512
1a5e4b41a7cc71b217705e425204ab1013066cb53d80104ba71f0503259840afdbd8a28179c62d9b8828274fd7561c8aa463e47a9b6fa0e47e0801a3f6342fd9

Download Submit
memory/1300-14-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/1300-12-0x0000000000370000-0x00000000003D6000-memory.dmp

Filesize
408KB

Download
memory/1300-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1300-2-0x0000000000190000-0x00000000001F6000-memory.dmp

Filesize
408KB

Download
memory/1300-1-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2116-16-0x0000000000190000-0x00000000001F6000-memory.dmp

Filesize
408KB

Download
memory/2116-22-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2116-26-0x0000000001470000-0x00000000014CF000-memory.dmp

Filesize
380KB

Download
memory/2116-80-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2116-85-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2116-86-0x000000000D6F0000-0x000000000D72C000-memory.dmp

Filesize
240KB

Download

Analysis

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