19f3f28f48e1410fb94eb2be6a94f7a441f48bb5990d60e2cbb9cced2efa3c22

General

Target

545854b51fd3f65c9b26078375a50247.exe
Size

385KB
MD5

545854b51fd3f65c9b26078375a50247
SHA1

8d5e00ee967171d666a152fc0c18b148011d4f4d
SHA256

19f3f28f48e1410fb94eb2be6a94f7a441f48bb5990d60e2cbb9cced2efa3c22
SHA512

efca3b146804b8c70b5c57686b2203790468a4c367dfd6d0265d558f5e4713ba9a1cd9794c9407d77b1bb0f2dc03b28cb66ecf96a722866fca5d9e2e4d59de76
SSDEEP

12288:oqDmoh1+2Nm14QJ9UtN7uIS8zAsg6jp3bGKB:oqDH+HJ9nIhm6jpLtB

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2632	545854b51fd3f65c9b26078375a50247.exe

Executes dropped EXE 1 IoCs

pid	Process
2632	545854b51fd3f65c9b26078375a50247.exe

Loads dropped DLL 1 IoCs

pid	Process
3056	545854b51fd3f65c9b26078375a50247.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	545854b51fd3f65c9b26078375a50247.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	545854b51fd3f65c9b26078375a50247.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	545854b51fd3f65c9b26078375a50247.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
3056	545854b51fd3f65c9b26078375a50247.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
3056	545854b51fd3f65c9b26078375a50247.exe
2632	545854b51fd3f65c9b26078375a50247.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3056 wrote to memory of 2632	3056	545854b51fd3f65c9b26078375a50247.exe	28
PID 3056 wrote to memory of 2632	3056	545854b51fd3f65c9b26078375a50247.exe	28
PID 3056 wrote to memory of 2632	3056	545854b51fd3f65c9b26078375a50247.exe	28
PID 3056 wrote to memory of 2632	3056	545854b51fd3f65c9b26078375a50247.exe	28

C:\Users\Admin\AppData\Local\Temp\545854b51fd3f65c9b26078375a50247.exe
"C:\Users\Admin\AppData\Local\Temp\545854b51fd3f65c9b26078375a50247.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3056
- C:\Users\Admin\AppData\Local\Temp\545854b51fd3f65c9b26078375a50247.exe
  C:\Users\Admin\AppData\Local\Temp\545854b51fd3f65c9b26078375a50247.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2632

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\Cab541B.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar54D9.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
\Users\Admin\AppData\Local\Temp\545854b51fd3f65c9b26078375a50247.exe

Filesize
385KB

MD5
e7c9e1a8b7902d08e9a54707e4a20d54

SHA1
449d1e42dc91bcb5160241e955b891d6197bfdc5

SHA256
0326739d2582a6d314d8e79496e2a6bf9d98d8ae8794198f8f4c10e4b0a9d3ec

SHA512
c07d54cbbb94ce19da5175af7d5ce966b4b119d149cda2709653f609d66aea34f443f70cc354d077bddf0fe8bb5645aaafbafd6459e91f73cff1f83201a9fac5

Download Submit
memory/2632-17-0x0000000000250000-0x00000000002B6000-memory.dmp

Filesize
408KB

Download
memory/2632-22-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2632-25-0x0000000001470000-0x00000000014CF000-memory.dmp

Filesize
380KB

Download
memory/2632-76-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2632-81-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2632-82-0x00000000096F0000-0x000000000972C000-memory.dmp

Filesize
240KB

Download
memory/3056-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/3056-14-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/3056-12-0x0000000002E30000-0x0000000002E96000-memory.dmp

Filesize
408KB

Download
memory/3056-1-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/3056-2-0x0000000001470000-0x00000000014D6000-memory.dmp

Filesize
408KB

Download

Analysis

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