bcf2f30e62c5144aa402b0b662caf61777c37fc0bbe458517fdc775706b37041

General

Target

39f647b46b0a6e4f91efb19f122fb985.exe
Size

385KB
MD5

39f647b46b0a6e4f91efb19f122fb985
SHA1

82bb30ce1ae0c04c17c421bda870c0971d532e39
SHA256

bcf2f30e62c5144aa402b0b662caf61777c37fc0bbe458517fdc775706b37041
SHA512

b5345d8c2e5ba83a30c3e6d22d268e6994bdcfc6e54d5e0571e187d878c6378394022fadb40e88292b0a092ca8778afad1d41e7f0d90c6d3ce1fed60107be6e7
SSDEEP

12288:ZWRbjyKQ9ll+lOGGLtjfs8ZIG8bS4SlzyTgB:ZWRbUll7GoxfnZUslSgB

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2160	39f647b46b0a6e4f91efb19f122fb985.exe

Executes dropped EXE 1 IoCs

pid	Process
2160	39f647b46b0a6e4f91efb19f122fb985.exe

Loads dropped DLL 1 IoCs

pid	Process
2212	39f647b46b0a6e4f91efb19f122fb985.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	39f647b46b0a6e4f91efb19f122fb985.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	39f647b46b0a6e4f91efb19f122fb985.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	39f647b46b0a6e4f91efb19f122fb985.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2212	39f647b46b0a6e4f91efb19f122fb985.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2212	39f647b46b0a6e4f91efb19f122fb985.exe
2160	39f647b46b0a6e4f91efb19f122fb985.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2212 wrote to memory of 2160	2212	39f647b46b0a6e4f91efb19f122fb985.exe	28
PID 2212 wrote to memory of 2160	2212	39f647b46b0a6e4f91efb19f122fb985.exe	28
PID 2212 wrote to memory of 2160	2212	39f647b46b0a6e4f91efb19f122fb985.exe	28
PID 2212 wrote to memory of 2160	2212	39f647b46b0a6e4f91efb19f122fb985.exe	28

C:\Users\Admin\AppData\Local\Temp\39f647b46b0a6e4f91efb19f122fb985.exe
"C:\Users\Admin\AppData\Local\Temp\39f647b46b0a6e4f91efb19f122fb985.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2212
- C:\Users\Admin\AppData\Local\Temp\39f647b46b0a6e4f91efb19f122fb985.exe
  C:\Users\Admin\AppData\Local\Temp\39f647b46b0a6e4f91efb19f122fb985.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2160

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\39f647b46b0a6e4f91efb19f122fb985.exe

Filesize
51KB

MD5
d3a03b91352eb9de75d61a946b0680a0

SHA1
f889812cabd227b35d1e00324a8afb39aafeb7aa

SHA256
0acf2b41ed2e51a92b6707b19b5c1eb77bc24ebd8c8c61be73e1e25ad0a1a506

SHA512
a77bd39c829bcb004f7cb036c9158d9b4ddc6528df89345c83ff3315c1710e99fa811ba0b8a3eaa25dd1edd26925de625f9bdb4d1d561ec72c58915e7a412236

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab651B.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar654D.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
\Users\Admin\AppData\Local\Temp\39f647b46b0a6e4f91efb19f122fb985.exe

Filesize
112KB

MD5
ceae31166592f3d0ed891b4283226dfb

SHA1
0703d3d864e6c81a0b5f1ffcdfa8e2a9d5bb9d5a

SHA256
9eaa9471e8d61a1503aeb7fe1badaf52db20aa241c60bae3589ec9618a6802d1

SHA512
b395bdfa1a1c0c4d3c315b531d8eec3a604891d76ff564687b67dc784681f8ceedcd97d07de272cd2af2eb749a3d39da689b33139a7fddbbe801f2127ea49762

Download Submit
memory/2160-76-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2160-22-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2160-18-0x0000000000190000-0x00000000001F6000-memory.dmp

Filesize
408KB

Download
memory/2160-25-0x0000000000340000-0x000000000039F000-memory.dmp

Filesize
380KB

Download
memory/2160-81-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2160-82-0x00000000086A0000-0x00000000086DC000-memory.dmp

Filesize
240KB

Download
memory/2160-83-0x00000000086A0000-0x00000000086DC000-memory.dmp

Filesize
240KB

Download
memory/2212-15-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2212-12-0x0000000001470000-0x00000000014D6000-memory.dmp

Filesize
408KB

Download
memory/2212-2-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2212-1-0x0000000000230000-0x0000000000296000-memory.dmp

Filesize
408KB

Download
memory/2212-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download

Analysis

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