d21751556aa42fab53b17a196f85cebe3c077900c4a435a011f0c7b246ba1101

General

Target

86b42971b2ff27569006b24f34395768.exe
Size

385KB
MD5

86b42971b2ff27569006b24f34395768
SHA1

ff28393cee82d65410198410b6871919134a2878
SHA256

d21751556aa42fab53b17a196f85cebe3c077900c4a435a011f0c7b246ba1101
SHA512

68b1abe4979bf8fcf8e84b7246d6dda15acab7769c5ec3ebec881407ef5a016def5249457d7f5a92758e13d79a2010163e0e1fb2a9d73093dff9005594f11353
SSDEEP

6144:LyjN+WXYXVxkwcrIFbzb/ph3hai/9BC88WITIjd1Dwi3y2HjWG/ue6QB:mh92VOBrsph3l/9BUB0RyGy+jW2EQB

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2472	86b42971b2ff27569006b24f34395768.exe

Executes dropped EXE 1 IoCs

pid	Process
2472	86b42971b2ff27569006b24f34395768.exe

Loads dropped DLL 1 IoCs

pid	Process
1928	86b42971b2ff27569006b24f34395768.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	86b42971b2ff27569006b24f34395768.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	86b42971b2ff27569006b24f34395768.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	86b42971b2ff27569006b24f34395768.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1928	86b42971b2ff27569006b24f34395768.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1928	86b42971b2ff27569006b24f34395768.exe
2472	86b42971b2ff27569006b24f34395768.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1928 wrote to memory of 2472	1928	86b42971b2ff27569006b24f34395768.exe	28
PID 1928 wrote to memory of 2472	1928	86b42971b2ff27569006b24f34395768.exe	28
PID 1928 wrote to memory of 2472	1928	86b42971b2ff27569006b24f34395768.exe	28
PID 1928 wrote to memory of 2472	1928	86b42971b2ff27569006b24f34395768.exe	28

C:\Users\Admin\AppData\Local\Temp\86b42971b2ff27569006b24f34395768.exe
"C:\Users\Admin\AppData\Local\Temp\86b42971b2ff27569006b24f34395768.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1928
- C:\Users\Admin\AppData\Local\Temp\86b42971b2ff27569006b24f34395768.exe
  C:\Users\Admin\AppData\Local\Temp\86b42971b2ff27569006b24f34395768.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2472

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\Local\Temp\86b42971b2ff27569006b24f34395768.exe

Filesize
385KB

MD5
66a969a17ef7efae342968ebddab4cf2

SHA1
6b5acd500a8d69d0ef1dd50e185500a1594cceb6

SHA256
4a641bab0e27f4cfe07ec6b786eaa10b5c48f42b5f4f7865f90de3bbf639fc75

SHA512
46e8fc0bede51f10fcd12e8e3192ba25c81d1a73ac321b63309e206e510707fe2c4123a11c9ea25bc4d5c010e2dcdafbfa7a7d38de249d23dc1d88d1bddd6efa

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab1C78.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar1C9A.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

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

Filesize
408KB

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

Filesize
380KB

Download
memory/1928-2-0x0000000000190000-0x00000000001F6000-memory.dmp

Filesize
408KB

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

Filesize
380KB

Download
memory/1928-14-0x0000000000200000-0x0000000000266000-memory.dmp

Filesize
408KB

Download
memory/2472-29-0x0000000002D10000-0x0000000002D6F000-memory.dmp

Filesize
380KB

Download
memory/2472-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2472-19-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2472-17-0x0000000000320000-0x0000000000386000-memory.dmp

Filesize
408KB

Download
memory/2472-77-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2472-83-0x00000000095E0000-0x000000000961C000-memory.dmp

Filesize
240KB

Download
memory/2472-82-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2472-84-0x00000000095E0000-0x000000000961C000-memory.dmp

Filesize
240KB

Download

Analysis

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