d4a8ad165d63cdda98ffc0f60db7f484e9a86fb5a00a0c1dee3867425a08196e

General

Target

73c9ae0f53fc7dd4e9943f213f494a2b.exe
Size

771KB
MD5

73c9ae0f53fc7dd4e9943f213f494a2b
SHA1

80f7e42cce52ca574c4a57080c4a0ee8738f41b7
SHA256

d4a8ad165d63cdda98ffc0f60db7f484e9a86fb5a00a0c1dee3867425a08196e
SHA512

f1477998219caf654f9390c8a096f9b0dbcaab3241c0a5fb7602f4c91f9d22c55f90c5bac09abb5a0bd023c53c32ef51a2c2bdab70fd5febe4f07100251dafac
SSDEEP

24576:6TxUBDrcNO4n0Csb10hJaothZ2/T6FBBB:gx2AN3E/ofT

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1556	73c9ae0f53fc7dd4e9943f213f494a2b.exe

Executes dropped EXE 1 IoCs

pid	Process
1556	73c9ae0f53fc7dd4e9943f213f494a2b.exe

Loads dropped DLL 1 IoCs

pid	Process
1976	73c9ae0f53fc7dd4e9943f213f494a2b.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

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	73c9ae0f53fc7dd4e9943f213f494a2b.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	73c9ae0f53fc7dd4e9943f213f494a2b.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	73c9ae0f53fc7dd4e9943f213f494a2b.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1976	73c9ae0f53fc7dd4e9943f213f494a2b.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1976	73c9ae0f53fc7dd4e9943f213f494a2b.exe
1556	73c9ae0f53fc7dd4e9943f213f494a2b.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1976 wrote to memory of 1556	1976	73c9ae0f53fc7dd4e9943f213f494a2b.exe	28
PID 1976 wrote to memory of 1556	1976	73c9ae0f53fc7dd4e9943f213f494a2b.exe	28
PID 1976 wrote to memory of 1556	1976	73c9ae0f53fc7dd4e9943f213f494a2b.exe	28
PID 1976 wrote to memory of 1556	1976	73c9ae0f53fc7dd4e9943f213f494a2b.exe	28

C:\Users\Admin\AppData\Local\Temp\73c9ae0f53fc7dd4e9943f213f494a2b.exe
"C:\Users\Admin\AppData\Local\Temp\73c9ae0f53fc7dd4e9943f213f494a2b.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1976
- C:\Users\Admin\AppData\Local\Temp\73c9ae0f53fc7dd4e9943f213f494a2b.exe
  C:\Users\Admin\AppData\Local\Temp\73c9ae0f53fc7dd4e9943f213f494a2b.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:1556

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\Cab4730.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar47A0.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
\Users\Admin\AppData\Local\Temp\73c9ae0f53fc7dd4e9943f213f494a2b.exe

Filesize
771KB

MD5
0fd722c0425f6701c2872182b2a99921

SHA1
30a75fec89f8e011351ccdcc51000ffb73035582

SHA256
91830261bbfa70f1d21b19ff1e4a91539eaa26ef03e71e07a90ef7bae1d55547

SHA512
d333886e3f8c0253068aa982064178bdb8e02b06b5ac9775e993f64b02ab13f70aef57f755cdce7b3e3e7b8f7c9507aca9a1e586725ea1e2b91fb8743028e714

Download Submit
memory/1556-17-0x0000000000190000-0x00000000001F6000-memory.dmp

Filesize
408KB

Download
memory/1556-22-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1556-24-0x0000000000350000-0x00000000003AF000-memory.dmp

Filesize
380KB

Download
memory/1556-76-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1556-80-0x000000000D710000-0x000000000D74C000-memory.dmp

Filesize
240KB

Download
memory/1556-82-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1976-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1976-14-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/1976-12-0x0000000002BF0000-0x0000000002C56000-memory.dmp

Filesize
408KB

Download
memory/1976-1-0x0000000000340000-0x00000000003A6000-memory.dmp

Filesize
408KB

Download
memory/1976-2-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download

Analysis

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