6ee3b350f9c4ef49432799a273062f70dd27e44ace89635f01fb0181eb4da1c1

General

Target

b9ca1b376e8125c04a346bba75e34ec5.exe
Size

385KB
MD5

b9ca1b376e8125c04a346bba75e34ec5
SHA1

7b6088d821033005fef710fb015d60b52e58314c
SHA256

6ee3b350f9c4ef49432799a273062f70dd27e44ace89635f01fb0181eb4da1c1
SHA512

a91d8e2f56fb0aa838a72dfe2ff8dccfabad1e0e6363d8b79e57255548c8ff456dc7fb042c25eb10022cf2cdadc82ee743c20b6626627826bf8a2eae9f02ad10
SSDEEP

6144:ilh4KOh5yI30vP7jg9Q9QiwDOiCefNpYjIOengxbsUgPBwR11IjAxQGPn3B:qh4PfK/gq9PSRRlpSIO04BgGCXO3B

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2912	b9ca1b376e8125c04a346bba75e34ec5.exe

Executes dropped EXE 1 IoCs

pid	Process
2912	b9ca1b376e8125c04a346bba75e34ec5.exe

Loads dropped DLL 1 IoCs

pid	Process
1928	b9ca1b376e8125c04a346bba75e34ec5.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
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474	b9ca1b376e8125c04a346bba75e34ec5.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	b9ca1b376e8125c04a346bba75e34ec5.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	b9ca1b376e8125c04a346bba75e34ec5.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1928	b9ca1b376e8125c04a346bba75e34ec5.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1928	b9ca1b376e8125c04a346bba75e34ec5.exe
2912	b9ca1b376e8125c04a346bba75e34ec5.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1928 wrote to memory of 2912	1928	b9ca1b376e8125c04a346bba75e34ec5.exe	28
PID 1928 wrote to memory of 2912	1928	b9ca1b376e8125c04a346bba75e34ec5.exe	28
PID 1928 wrote to memory of 2912	1928	b9ca1b376e8125c04a346bba75e34ec5.exe	28
PID 1928 wrote to memory of 2912	1928	b9ca1b376e8125c04a346bba75e34ec5.exe	28

C:\Users\Admin\AppData\Local\Temp\b9ca1b376e8125c04a346bba75e34ec5.exe
"C:\Users\Admin\AppData\Local\Temp\b9ca1b376e8125c04a346bba75e34ec5.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1928
- C:\Users\Admin\AppData\Local\Temp\b9ca1b376e8125c04a346bba75e34ec5.exe
  C:\Users\Admin\AppData\Local\Temp\b9ca1b376e8125c04a346bba75e34ec5.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2912

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\Tar38E3.tmp

Filesize
175KB

MD5
dd73cead4b93366cf3465c8cd32e2796

SHA1
74546226dfe9ceb8184651e920d1dbfb432b314e

SHA256
a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

SHA512
ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

Download Submit
\Users\Admin\AppData\Local\Temp\b9ca1b376e8125c04a346bba75e34ec5.exe

Filesize
385KB

MD5
e49f5f7a5bd9a92a6f5c9483e5ea721e

SHA1
c706b1f23d0eb7296469fd373a4f5237aaec26d5

SHA256
10e403628828f56e2e8fdaaeadb0693391589a80fc8784afaa6766c57d66c020

SHA512
253dd8f352078e764bafe74cd977d893fdf9f5aa535fcd6576d37edc43a84f317e6cf4545d410f2e16e49e67f32c9ffe5cc88d3608b4532d85c9bfcdc35c9256

Download Submit
memory/1928-1-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/1928-13-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/1928-3-0x0000000000190000-0x00000000001F6000-memory.dmp

Filesize
408KB

Download
memory/1928-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2912-16-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2912-18-0x0000000000330000-0x0000000000396000-memory.dmp

Filesize
408KB

Download
memory/2912-22-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2912-25-0x0000000002CC0000-0x0000000002D1F000-memory.dmp

Filesize
380KB

Download
memory/2912-80-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2912-85-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2912-86-0x000000000D5E0000-0x000000000D61C000-memory.dmp

Filesize
240KB

Download
memory/2912-87-0x000000000D5E0000-0x000000000D61C000-memory.dmp

Filesize
240KB

Download

Analysis

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