a5259cd6bdec5567ffdc4f1b7e8ef5b6764ee9ebb69cca23d0b91530b5dd5dc7

General

Target

7d3a7017efd5ad34d2eae6c785805eb8.exe
Size

385KB
MD5

7d3a7017efd5ad34d2eae6c785805eb8
SHA1

bd5f82f81e3e33df79c398562c337e6428511d21
SHA256

a5259cd6bdec5567ffdc4f1b7e8ef5b6764ee9ebb69cca23d0b91530b5dd5dc7
SHA512

3691fbbb54de3d852f7b9feb59e178bef0ed723457c85282b7b103e686660bf1c175dd531fbcca90d23d4d1d0f45d75c4037e0218d55318c5ff9a00c72642cc0
SSDEEP

12288:2WJDRVrmRRiNIvKWGDFyk6FtztrTIqdQtXNi/ETueB:ZDvqKGqQk6FLrEqdQt9i/GueB

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2388	7d3a7017efd5ad34d2eae6c785805eb8.exe

Executes dropped EXE 1 IoCs

pid	Process
2388	7d3a7017efd5ad34d2eae6c785805eb8.exe

Loads dropped DLL 1 IoCs

pid	Process
2724	7d3a7017efd5ad34d2eae6c785805eb8.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
3	pastebin.com
4	pastebin.com

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	7d3a7017efd5ad34d2eae6c785805eb8.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	7d3a7017efd5ad34d2eae6c785805eb8.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	7d3a7017efd5ad34d2eae6c785805eb8.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2724	7d3a7017efd5ad34d2eae6c785805eb8.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2724	7d3a7017efd5ad34d2eae6c785805eb8.exe
2388	7d3a7017efd5ad34d2eae6c785805eb8.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2724 wrote to memory of 2388	2724	7d3a7017efd5ad34d2eae6c785805eb8.exe	28
PID 2724 wrote to memory of 2388	2724	7d3a7017efd5ad34d2eae6c785805eb8.exe	28
PID 2724 wrote to memory of 2388	2724	7d3a7017efd5ad34d2eae6c785805eb8.exe	28
PID 2724 wrote to memory of 2388	2724	7d3a7017efd5ad34d2eae6c785805eb8.exe	28

C:\Users\Admin\AppData\Local\Temp\7d3a7017efd5ad34d2eae6c785805eb8.exe
"C:\Users\Admin\AppData\Local\Temp\7d3a7017efd5ad34d2eae6c785805eb8.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2724
- C:\Users\Admin\AppData\Local\Temp\7d3a7017efd5ad34d2eae6c785805eb8.exe
  C:\Users\Admin\AppData\Local\Temp\7d3a7017efd5ad34d2eae6c785805eb8.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2388

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\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\7d3a7017efd5ad34d2eae6c785805eb8.exe

Filesize
385KB

MD5
632245778546360f0fa68bcebfb56908

SHA1
a3a95b87c01e4a5d1c68d1687510bc5311557ba0

SHA256
155da0247434c4d82228eb6f73b14ec2386960bb784d3a2994c992658bc50d52

SHA512
e5cb50a52fdaeacc4fc6cca8a0801ed6e10f870b6c85e6782a8498d48baa0bd3d764a6dc2440c17c7bce57cbdb91a2f6f22dab2cdafadfa7cedb28f4e2b93c97

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarD20.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
memory/2388-18-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2388-20-0x0000000001470000-0x00000000014D6000-memory.dmp

Filesize
408KB

Download
memory/2388-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2388-29-0x00000000014E0000-0x000000000153F000-memory.dmp

Filesize
380KB

Download
memory/2388-82-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2388-86-0x00000000096E0000-0x000000000971C000-memory.dmp

Filesize
240KB

Download
memory/2388-88-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2724-13-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2724-16-0x0000000002E50000-0x0000000002EB6000-memory.dmp

Filesize
408KB

Download
memory/2724-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2724-2-0x0000000000340000-0x00000000003A6000-memory.dmp

Filesize
408KB

Download
memory/2724-1-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download

Analysis

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