a2119e63f1c726d80dbc5a83e28960f0e736288cde88add008acaaeed81e0567

General

Target

ac7817443164c6e6e2cebff2e81267af.exe
Size

385KB
MD5

ac7817443164c6e6e2cebff2e81267af
SHA1

82f7f76dc6b8b2004be84f0d6066869bef84f25a
SHA256

a2119e63f1c726d80dbc5a83e28960f0e736288cde88add008acaaeed81e0567
SHA512

c9e9af41b4aea0fbc971604e56d7ec2d68ab0ca4fd9e9d92c0d141183aece100f7ce8b14d9290c04cf995ccb0800f74c0cf4654536478f6ed1fc3c54f0837579
SSDEEP

6144:gsVsWnwQwkxHd/9PslCTlS6vtnVeEiS3Oj6c3VVsn0CiW4WbFnB:g8wbqHd/9Pm4lS+eE366aVSV9xnB

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2676	ac7817443164c6e6e2cebff2e81267af.exe

Executes dropped EXE 1 IoCs

pid	Process
2676	ac7817443164c6e6e2cebff2e81267af.exe

Loads dropped DLL 1 IoCs

pid	Process
2512	ac7817443164c6e6e2cebff2e81267af.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	ac7817443164c6e6e2cebff2e81267af.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	ac7817443164c6e6e2cebff2e81267af.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	ac7817443164c6e6e2cebff2e81267af.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2512	ac7817443164c6e6e2cebff2e81267af.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2512	ac7817443164c6e6e2cebff2e81267af.exe
2676	ac7817443164c6e6e2cebff2e81267af.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2512 wrote to memory of 2676	2512	ac7817443164c6e6e2cebff2e81267af.exe	28
PID 2512 wrote to memory of 2676	2512	ac7817443164c6e6e2cebff2e81267af.exe	28
PID 2512 wrote to memory of 2676	2512	ac7817443164c6e6e2cebff2e81267af.exe	28
PID 2512 wrote to memory of 2676	2512	ac7817443164c6e6e2cebff2e81267af.exe	28

C:\Users\Admin\AppData\Local\Temp\ac7817443164c6e6e2cebff2e81267af.exe
"C:\Users\Admin\AppData\Local\Temp\ac7817443164c6e6e2cebff2e81267af.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2512
- C:\Users\Admin\AppData\Local\Temp\ac7817443164c6e6e2cebff2e81267af.exe
  C:\Users\Admin\AppData\Local\Temp\ac7817443164c6e6e2cebff2e81267af.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2676

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\Tar6169.tmp

Filesize
175KB

MD5
dd73cead4b93366cf3465c8cd32e2796

SHA1
74546226dfe9ceb8184651e920d1dbfb432b314e

SHA256
a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

SHA512
ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

Download Submit
\Users\Admin\AppData\Local\Temp\ac7817443164c6e6e2cebff2e81267af.exe

Filesize
385KB

MD5
706b88a3fe50493261162deea8863ec9

SHA1
3d0707ff61932d96e6bc17cbfa3c9369e1c12201

SHA256
e6a2cd4a9953dfad2e51b979d0716237f51f8a1f0ad0885369f8f79b73ed497c

SHA512
354d5df728499e5f30464295d5a9f81c8a6394bf37b0e8148054f6bef909ada1a647fe1248c4f2c0d7ae1b4ab82a22241a9740bb690f70c0a1e53c033a54e84e

Download Submit
memory/2512-2-0x0000000000340000-0x00000000003A6000-memory.dmp

Filesize
408KB

Download
memory/2512-1-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2512-13-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2512-15-0x0000000002B90000-0x0000000002BF6000-memory.dmp

Filesize
408KB

Download
memory/2512-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2676-16-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2676-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2676-24-0x00000000014B0000-0x000000000150F000-memory.dmp

Filesize
380KB

Download
memory/2676-18-0x0000000000240000-0x00000000002A6000-memory.dmp

Filesize
408KB

Download
memory/2676-81-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2676-87-0x000000000D6E0000-0x000000000D71C000-memory.dmp

Filesize
240KB

Download
memory/2676-86-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

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