6dfff1fab32535c2f9b9530a81c9f7c4d06d568a5981e51faab3c6dcf39fbfbe

General

Target

661614c780b1f321d673e8cef896f315.exe
Size

907KB
MD5

661614c780b1f321d673e8cef896f315
SHA1

eed4bee978917f070ecd2a5f1e73afc64eb26423
SHA256

6dfff1fab32535c2f9b9530a81c9f7c4d06d568a5981e51faab3c6dcf39fbfbe
SHA512

78a043f55d73596ee844a25f9dce0be0b35ebf854397415fe0b185f6d9b5dc05e0e91f8f3a79ecabf768ea7ed168c5a1cc9c85f2b8e02c51d5b41cbe595426bf
SSDEEP

24576:VJoAsl64HDu+EsLcFThwBUoKRoWrgqz1Vla/ZS1:FsTa+9QKBUvZ3gS

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2876	661614c780b1f321d673e8cef896f315.exe

Executes dropped EXE 1 IoCs

pid	Process
2876	661614c780b1f321d673e8cef896f315.exe

Loads dropped DLL 1 IoCs

pid	Process
1860	661614c780b1f321d673e8cef896f315.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	661614c780b1f321d673e8cef896f315.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	661614c780b1f321d673e8cef896f315.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	661614c780b1f321d673e8cef896f315.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1860	661614c780b1f321d673e8cef896f315.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1860	661614c780b1f321d673e8cef896f315.exe
2876	661614c780b1f321d673e8cef896f315.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1860 wrote to memory of 2876	1860	661614c780b1f321d673e8cef896f315.exe	29
PID 1860 wrote to memory of 2876	1860	661614c780b1f321d673e8cef896f315.exe	29
PID 1860 wrote to memory of 2876	1860	661614c780b1f321d673e8cef896f315.exe	29
PID 1860 wrote to memory of 2876	1860	661614c780b1f321d673e8cef896f315.exe	29

C:\Users\Admin\AppData\Local\Temp\661614c780b1f321d673e8cef896f315.exe
"C:\Users\Admin\AppData\Local\Temp\661614c780b1f321d673e8cef896f315.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1860
- C:\Users\Admin\AppData\Local\Temp\661614c780b1f321d673e8cef896f315.exe
  C:\Users\Admin\AppData\Local\Temp\661614c780b1f321d673e8cef896f315.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2876

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\Cab9D4B.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar9F70.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
\Users\Admin\AppData\Local\Temp\661614c780b1f321d673e8cef896f315.exe

Filesize
907KB

MD5
1ed4ba17fc66f2a1c5a8b77478bfa2b7

SHA1
b066bbc9c20a807c9bd961dca470a33b9bf67c3e

SHA256
0579e85600e2f7e5b6482befa48d481172c3f6e35870bb138a9238a325ab4276

SHA512
5159541e2227ce06cea540c3cfd0f47a4957f4cf8c09a207a8345d17db5d0c7b50c0b80077421001ea74661cd6198a87671c6fad310c617632ea4a8563b348bd

Download Submit
memory/1860-0-0x0000000000400000-0x00000000004E8000-memory.dmp

Filesize
928KB

Download
memory/1860-13-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/1860-1-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/1860-2-0x00000000014F0000-0x00000000015D8000-memory.dmp

Filesize
928KB

Download
memory/2876-15-0x0000000000400000-0x00000000004E8000-memory.dmp

Filesize
928KB

Download
memory/2876-17-0x00000000015B0000-0x0000000001698000-memory.dmp

Filesize
928KB

Download
memory/2876-23-0x0000000002EB0000-0x0000000002F6B000-memory.dmp

Filesize
748KB

Download
memory/2876-22-0x0000000000400000-0x0000000000498000-memory.dmp

Filesize
608KB

Download
memory/2876-76-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/2876-79-0x000000000EC10000-0x000000000ECA8000-memory.dmp

Filesize
608KB

Download

Analysis

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