66b17c34e4b21acc273a7f62253606aff32bfde2bdae054e2d70f8ca76a7c702

General

Target

c62009b1faa1b3c4b99e04f5e6ae3f45.exe
Size

385KB
MD5

c62009b1faa1b3c4b99e04f5e6ae3f45
SHA1

26e3fb5621d7ce06c981600d865820d0dda911c3
SHA256

66b17c34e4b21acc273a7f62253606aff32bfde2bdae054e2d70f8ca76a7c702
SHA512

624a802ef641b75d1c034b6f58194ac82c3c722e2be7d1527e1c659e9fe672a2d4cfa1be45746a4d2a97173d7428046192cf6cc1a539d78d912a1f8abed1809d
SSDEEP

12288:XDBcEd40Wth/s7QCDG7RFLq1YV/0TJZTIGB:Xt4iD+qTTJaGB

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1244	c62009b1faa1b3c4b99e04f5e6ae3f45.exe

Executes dropped EXE 1 IoCs

pid	Process
1244	c62009b1faa1b3c4b99e04f5e6ae3f45.exe

Loads dropped DLL 1 IoCs

pid	Process
836	c62009b1faa1b3c4b99e04f5e6ae3f45.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	c62009b1faa1b3c4b99e04f5e6ae3f45.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	c62009b1faa1b3c4b99e04f5e6ae3f45.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	c62009b1faa1b3c4b99e04f5e6ae3f45.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
836	c62009b1faa1b3c4b99e04f5e6ae3f45.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
836	c62009b1faa1b3c4b99e04f5e6ae3f45.exe
1244	c62009b1faa1b3c4b99e04f5e6ae3f45.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 836 wrote to memory of 1244	836	c62009b1faa1b3c4b99e04f5e6ae3f45.exe	28
PID 836 wrote to memory of 1244	836	c62009b1faa1b3c4b99e04f5e6ae3f45.exe	28
PID 836 wrote to memory of 1244	836	c62009b1faa1b3c4b99e04f5e6ae3f45.exe	28
PID 836 wrote to memory of 1244	836	c62009b1faa1b3c4b99e04f5e6ae3f45.exe	28

C:\Users\Admin\AppData\Local\Temp\c62009b1faa1b3c4b99e04f5e6ae3f45.exe
"C:\Users\Admin\AppData\Local\Temp\c62009b1faa1b3c4b99e04f5e6ae3f45.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:836
- C:\Users\Admin\AppData\Local\Temp\c62009b1faa1b3c4b99e04f5e6ae3f45.exe
  C:\Users\Admin\AppData\Local\Temp\c62009b1faa1b3c4b99e04f5e6ae3f45.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:1244

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\Tar15F6.tmp

Filesize
175KB

MD5
dd73cead4b93366cf3465c8cd32e2796

SHA1
74546226dfe9ceb8184651e920d1dbfb432b314e

SHA256
a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

SHA512
ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

Download Submit
\Users\Admin\AppData\Local\Temp\c62009b1faa1b3c4b99e04f5e6ae3f45.exe

Filesize
385KB

MD5
a75d70a80f3753154ee7a9e9d04306e1

SHA1
0ece18325ea5d90784659547da44838710450d53

SHA256
d8d2769097e5947d407e5504d31e51dc1bd465eb4fa8781185c4a589d0fb9842

SHA512
34a7eac1670c9459cc6094e8a0efe0ade740ae6dfce602a1874d3368fd29b6ab32f257132ba33d85897f68fa49900096d41fbd06c622c02e452b858e3c009246

Download Submit
memory/836-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/836-1-0x0000000000190000-0x00000000001F6000-memory.dmp

Filesize
408KB

Download
memory/836-2-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/836-14-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/836-16-0x00000000002C0000-0x0000000000326000-memory.dmp

Filesize
408KB

Download
memory/1244-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1244-26-0x0000000000240000-0x000000000029F000-memory.dmp

Filesize
380KB

Download
memory/1244-21-0x0000000000190000-0x00000000001F6000-memory.dmp

Filesize
408KB

Download
memory/1244-19-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1244-82-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1244-87-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1244-88-0x0000000005550000-0x000000000558C000-memory.dmp

Filesize
240KB

Download
memory/1244-89-0x0000000005550000-0x000000000558C000-memory.dmp

Filesize
240KB

Download

Analysis

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