f572b2d21508bb7171a01e988defbb8ffc9793c01e3deffa0bbbc1c8803b2e81

General

Target

8f76aa892e32a40b1dee2d37481250c1.exe
Size

385KB
MD5

8f76aa892e32a40b1dee2d37481250c1
SHA1

a9ac3ad93992f1e31fd51d39ccaf061d116a19ba
SHA256

f572b2d21508bb7171a01e988defbb8ffc9793c01e3deffa0bbbc1c8803b2e81
SHA512

2411bf51119d6356f9137bc63a3b6936799344740f44ad54521c0513f9c1a1eda6499079e1ba503edbaea54b6149c8b1700eba3ebf78cf5e19f52b0b4d8c625a
SSDEEP

6144:Sjb3bsL5CrSy8of9ksT4fsMW3mRK5szmotKHXX77D1w/FXBxpWV8G/LHSG3RzDhE:SnTnHXjD10JBxtGTHR50efEmvN2NcMB

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2108	8f76aa892e32a40b1dee2d37481250c1.exe

Executes dropped EXE 1 IoCs

pid	Process
2108	8f76aa892e32a40b1dee2d37481250c1.exe

Loads dropped DLL 1 IoCs

pid	Process
1396	8f76aa892e32a40b1dee2d37481250c1.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
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	8f76aa892e32a40b1dee2d37481250c1.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	8f76aa892e32a40b1dee2d37481250c1.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474	8f76aa892e32a40b1dee2d37481250c1.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1396	8f76aa892e32a40b1dee2d37481250c1.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1396	8f76aa892e32a40b1dee2d37481250c1.exe
2108	8f76aa892e32a40b1dee2d37481250c1.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1396 wrote to memory of 2108	1396	8f76aa892e32a40b1dee2d37481250c1.exe	28
PID 1396 wrote to memory of 2108	1396	8f76aa892e32a40b1dee2d37481250c1.exe	28
PID 1396 wrote to memory of 2108	1396	8f76aa892e32a40b1dee2d37481250c1.exe	28
PID 1396 wrote to memory of 2108	1396	8f76aa892e32a40b1dee2d37481250c1.exe	28

C:\Users\Admin\AppData\Local\Temp\8f76aa892e32a40b1dee2d37481250c1.exe
"C:\Users\Admin\AppData\Local\Temp\8f76aa892e32a40b1dee2d37481250c1.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1396
- C:\Users\Admin\AppData\Local\Temp\8f76aa892e32a40b1dee2d37481250c1.exe
  C:\Users\Admin\AppData\Local\Temp\8f76aa892e32a40b1dee2d37481250c1.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2108

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\Cab315F.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar31A0.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
\Users\Admin\AppData\Local\Temp\8f76aa892e32a40b1dee2d37481250c1.exe

Filesize
385KB

MD5
387801361315f6a83e0d6819fe0026f6

SHA1
0bfaba4ba70f3877b6950490f60c2dfdd9c6cb74

SHA256
6b10d44d36fe2f7033626afe969c8e8df375749af9ad981b1e615faae08be0ad

SHA512
e635a0c51000368934084d5f45e00d37a1d9149bc84262296773404ea1462b47e169684f484ec6e1a8ce4949dd2ce447858924cf664ffeb3352689d4b07406f5

Download Submit
memory/1396-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1396-12-0x0000000000200000-0x0000000000266000-memory.dmp

Filesize
408KB

Download
memory/1396-15-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/1396-4-0x0000000000190000-0x00000000001F6000-memory.dmp

Filesize
408KB

Download
memory/1396-1-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2108-18-0x0000000000270000-0x00000000002D6000-memory.dmp

Filesize
408KB

Download
memory/2108-22-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2108-25-0x00000000002E0000-0x000000000033F000-memory.dmp

Filesize
380KB

Download
memory/2108-76-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2108-79-0x000000000EA30000-0x000000000EA6C000-memory.dmp

Filesize
240KB

Download
memory/2108-82-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

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