7ae1875e7574319075cc3db0cca308804ba47781b5ed51b32ed7fde33e0e8608

General

Target

b43a17525c1e596eb0bf6ca9bfdb29b0.exe
Size

771KB
MD5

b43a17525c1e596eb0bf6ca9bfdb29b0
SHA1

9876051af95d5680ac8cae0f75e9ea24963d371e
SHA256

7ae1875e7574319075cc3db0cca308804ba47781b5ed51b32ed7fde33e0e8608
SHA512

7347b4e616b3e6ce1db7767347f43b665bbfee52ad87112e474bd98045d6460aa1e68a1804a2edd23b86cf6172c61ac013538f342cb3c84797047380a135f26a
SSDEEP

12288:p9ykDyKzATe9WEJrFA//ZwqfPzJLniYZ/C9OFEIif0F6rerfrEhU8zFVMB:LZDdzIwXA3pftvZWqEIz6qrfiTMB

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2956	b43a17525c1e596eb0bf6ca9bfdb29b0.exe

Executes dropped EXE 1 IoCs

pid	Process
2956	b43a17525c1e596eb0bf6ca9bfdb29b0.exe

Loads dropped DLL 1 IoCs

pid	Process
2992	b43a17525c1e596eb0bf6ca9bfdb29b0.exe

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

Web Service

T1102

flow	ioc
4	pastebin.com
3	pastebin.com

Modifies system certificate store 2 TTPs 3 IoCs

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	b43a17525c1e596eb0bf6ca9bfdb29b0.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474	b43a17525c1e596eb0bf6ca9bfdb29b0.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	b43a17525c1e596eb0bf6ca9bfdb29b0.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2992	b43a17525c1e596eb0bf6ca9bfdb29b0.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2992	b43a17525c1e596eb0bf6ca9bfdb29b0.exe
2956	b43a17525c1e596eb0bf6ca9bfdb29b0.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2992 wrote to memory of 2956	2992	b43a17525c1e596eb0bf6ca9bfdb29b0.exe	28
PID 2992 wrote to memory of 2956	2992	b43a17525c1e596eb0bf6ca9bfdb29b0.exe	28
PID 2992 wrote to memory of 2956	2992	b43a17525c1e596eb0bf6ca9bfdb29b0.exe	28
PID 2992 wrote to memory of 2956	2992	b43a17525c1e596eb0bf6ca9bfdb29b0.exe	28

C:\Users\Admin\AppData\Local\Temp\b43a17525c1e596eb0bf6ca9bfdb29b0.exe
"C:\Users\Admin\AppData\Local\Temp\b43a17525c1e596eb0bf6ca9bfdb29b0.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2992
- C:\Users\Admin\AppData\Local\Temp\b43a17525c1e596eb0bf6ca9bfdb29b0.exe
  C:\Users\Admin\AppData\Local\Temp\b43a17525c1e596eb0bf6ca9bfdb29b0.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2956

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\Tar28CC.tmp

Filesize
175KB

MD5
dd73cead4b93366cf3465c8cd32e2796

SHA1
74546226dfe9ceb8184651e920d1dbfb432b314e

SHA256
a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

SHA512
ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

Download Submit
\Users\Admin\AppData\Local\Temp\b43a17525c1e596eb0bf6ca9bfdb29b0.exe

Filesize
771KB

MD5
dd08273cb939793cf7f5c77861cc0a3e

SHA1
d2e7cbed1b96b0b87dd1a708103527d204ac18d2

SHA256
acfcd3e5e98b928e11372aef00e1ecbff384d7446c729e146f6fc73cc9ad9043

SHA512
f95602528ae742afb9aaf71e99d46740acbf86f9e573e4ff26581ae8d386c4622cdf392a0c56f805d2c98a466eb25bb1f0af084b63c65052d3cba29bb007f1e7

Download Submit
memory/2956-17-0x0000000000190000-0x00000000001F6000-memory.dmp

Filesize
408KB

Download
memory/2956-22-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2956-24-0x00000000002C0000-0x000000000031F000-memory.dmp

Filesize
380KB

Download
memory/2956-80-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2956-85-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2956-86-0x000000000ED10000-0x000000000ED4C000-memory.dmp

Filesize
240KB

Download
memory/2992-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2992-12-0x0000000002FF0000-0x0000000003056000-memory.dmp

Filesize
408KB

Download
memory/2992-15-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2992-1-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2992-2-0x0000000000190000-0x00000000001F6000-memory.dmp

Filesize
408KB

Download

Analysis

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