d4fba8cbae2b36846cba067f11c5ecbbe6f9ce4c7a6e82026cb78b781e8d68dd

General

Target

1678bc1f3e042a6d3290da9daa3b74a6.exe
Size

385KB
MD5

1678bc1f3e042a6d3290da9daa3b74a6
SHA1

0ee999d6fa31f3424a4235bc0317bf940b724698
SHA256

d4fba8cbae2b36846cba067f11c5ecbbe6f9ce4c7a6e82026cb78b781e8d68dd
SHA512

158c95a43c4dc199d30aa84d9d63ec284395f917f8e891e55ab264423a82718f2d3fcbd11265ad84598c60f24ccb6acd27738bbfe35cb44acb91f11bfe9ab6aa
SSDEEP

6144:gMkUxvVvpfyXTt4z09Cu7TKQEnek/B/5WJt9w3qNUEZh1Z+hjDFJcSLchbdKB:gMJvtUx49SOQEn5Z/apUa1ad2S6bdKB

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2676	1678bc1f3e042a6d3290da9daa3b74a6.exe

Executes dropped EXE 1 IoCs

pid	Process
2676	1678bc1f3e042a6d3290da9daa3b74a6.exe

Loads dropped DLL 1 IoCs

pid	Process
2260	1678bc1f3e042a6d3290da9daa3b74a6.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	1678bc1f3e042a6d3290da9daa3b74a6.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	1678bc1f3e042a6d3290da9daa3b74a6.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	1678bc1f3e042a6d3290da9daa3b74a6.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2260	1678bc1f3e042a6d3290da9daa3b74a6.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2260	1678bc1f3e042a6d3290da9daa3b74a6.exe
2676	1678bc1f3e042a6d3290da9daa3b74a6.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2260 wrote to memory of 2676	2260	1678bc1f3e042a6d3290da9daa3b74a6.exe	28
PID 2260 wrote to memory of 2676	2260	1678bc1f3e042a6d3290da9daa3b74a6.exe	28
PID 2260 wrote to memory of 2676	2260	1678bc1f3e042a6d3290da9daa3b74a6.exe	28
PID 2260 wrote to memory of 2676	2260	1678bc1f3e042a6d3290da9daa3b74a6.exe	28

C:\Users\Admin\AppData\Local\Temp\1678bc1f3e042a6d3290da9daa3b74a6.exe
"C:\Users\Admin\AppData\Local\Temp\1678bc1f3e042a6d3290da9daa3b74a6.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2260
- C:\Users\Admin\AppData\Local\Temp\1678bc1f3e042a6d3290da9daa3b74a6.exe
  C:\Users\Admin\AppData\Local\Temp\1678bc1f3e042a6d3290da9daa3b74a6.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2676

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\Cab8D73.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar8DA4.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
\Users\Admin\AppData\Local\Temp\1678bc1f3e042a6d3290da9daa3b74a6.exe

Filesize
385KB

MD5
0deca7dfac91e0f8816b28a90b80443d

SHA1
f4b621d7a4eab45963bbc91091b7b3e14c4b4821

SHA256
0172d14a458451de02ac3dd960aa755f62bea19994457cb99b1d3650ed05388a

SHA512
68311bceecc43623fd16aa279b9dc9fe34d2bdbd209e4383c0f980d2d077278c9ca5c304a926cadab64166713ada224cbb20cd6a6c19c058cf2083f3f40fbc4a

Download Submit
memory/2260-2-0x0000000000190000-0x00000000001F6000-memory.dmp

Filesize
408KB

Download
memory/2260-1-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2260-12-0x00000000002B0000-0x0000000000316000-memory.dmp

Filesize
408KB

Download
memory/2260-14-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2260-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2676-17-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2676-25-0x0000000002CF0000-0x0000000002D4F000-memory.dmp

Filesize
380KB

Download
memory/2676-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2676-20-0x0000000000190000-0x00000000001F6000-memory.dmp

Filesize
408KB

Download
memory/2676-82-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2676-77-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2676-83-0x0000000007940000-0x000000000797C000-memory.dmp

Filesize
240KB

Download

Analysis

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