063a43646678670439fb656240f5f158d811d9620de03276cda7ff5b6bd2ad17

General

Target

8cd3c9a8f0b3b58105f1f7f5e9dda3ff.exe
Size

385KB
MD5

8cd3c9a8f0b3b58105f1f7f5e9dda3ff
SHA1

a25515f7e6800f7e4c728449851ae9721c7879f6
SHA256

063a43646678670439fb656240f5f158d811d9620de03276cda7ff5b6bd2ad17
SHA512

2ee5899180aad7505014f814377db4ec33b36eea687416e4cb8927f901ed90bd85cb0cd1db810c252324a7ab7ffb9482f4088ea07a3fed407a782fe02b57621b
SSDEEP

12288:MgYk+Q8ZkxuGjwwKLTyHMMrUIYjjbGOmB:wDGMcwwKL6MMrUIdzB

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2976	8cd3c9a8f0b3b58105f1f7f5e9dda3ff.exe

Executes dropped EXE 1 IoCs

pid	Process
2976	8cd3c9a8f0b3b58105f1f7f5e9dda3ff.exe

Loads dropped DLL 1 IoCs

pid	Process
3040	8cd3c9a8f0b3b58105f1f7f5e9dda3ff.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	8cd3c9a8f0b3b58105f1f7f5e9dda3ff.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	8cd3c9a8f0b3b58105f1f7f5e9dda3ff.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	8cd3c9a8f0b3b58105f1f7f5e9dda3ff.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
3040	8cd3c9a8f0b3b58105f1f7f5e9dda3ff.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
3040	8cd3c9a8f0b3b58105f1f7f5e9dda3ff.exe
2976	8cd3c9a8f0b3b58105f1f7f5e9dda3ff.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3040 wrote to memory of 2976	3040	8cd3c9a8f0b3b58105f1f7f5e9dda3ff.exe	28
PID 3040 wrote to memory of 2976	3040	8cd3c9a8f0b3b58105f1f7f5e9dda3ff.exe	28
PID 3040 wrote to memory of 2976	3040	8cd3c9a8f0b3b58105f1f7f5e9dda3ff.exe	28
PID 3040 wrote to memory of 2976	3040	8cd3c9a8f0b3b58105f1f7f5e9dda3ff.exe	28

C:\Users\Admin\AppData\Local\Temp\8cd3c9a8f0b3b58105f1f7f5e9dda3ff.exe
"C:\Users\Admin\AppData\Local\Temp\8cd3c9a8f0b3b58105f1f7f5e9dda3ff.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3040
- C:\Users\Admin\AppData\Local\Temp\8cd3c9a8f0b3b58105f1f7f5e9dda3ff.exe
  C:\Users\Admin\AppData\Local\Temp\8cd3c9a8f0b3b58105f1f7f5e9dda3ff.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2976

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\Cab9511.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar9590.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
\Users\Admin\AppData\Local\Temp\8cd3c9a8f0b3b58105f1f7f5e9dda3ff.exe

Filesize
385KB

MD5
58fdf08495c60850d1d16e92983c6db3

SHA1
3f16e7ab1ed1933888b419e3d38b5ca07a23652c

SHA256
3d17e6202d17033a8ef45b173cb93000b1561d9e759e73607ae83c634597d26b

SHA512
eb6dd50adac4b4de7b6442a31a5c9176ff7ae2c6fed77b43bd78f7364c85a26435775946ad0093fd54331417f58b14879e685764f4abcc83aa2ee4e5746ac4e3

Download Submit
memory/2976-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2976-16-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2976-17-0x0000000000190000-0x00000000001F6000-memory.dmp

Filesize
408KB

Download
memory/2976-24-0x0000000000390000-0x00000000003EF000-memory.dmp

Filesize
380KB

Download
memory/2976-77-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2976-83-0x00000000095E0000-0x000000000961C000-memory.dmp

Filesize
240KB

Download
memory/2976-82-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/3040-14-0x0000000000330000-0x0000000000396000-memory.dmp

Filesize
408KB

Download
memory/3040-13-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/3040-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/3040-1-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/3040-2-0x0000000000190000-0x00000000001F6000-memory.dmp

Filesize
408KB

Download

Analysis

Sharing