36c12784e0cb6423136e1a4a457e1a8b8230508eb873e8179042661d86d912c8

General

Target

76c84aaf1e833d2c9016a37ebf56ee2e.exe
Size

771KB
MD5

76c84aaf1e833d2c9016a37ebf56ee2e
SHA1

29e6a6de3eac2b848a0206f1ad1f1f67acd56bcc
SHA256

36c12784e0cb6423136e1a4a457e1a8b8230508eb873e8179042661d86d912c8
SHA512

0e713b02f5959666ee8e3bd0b5defa56251a163c32530279093ad34e4878731743b612fad73a01dc61573f21784558273d42eadae5af6537fb19312d97788733
SSDEEP

24576:fbi70IPQyBxRdi3E1ZJb10hJaothZ2/T6FBBB:jGZy6Z1/ofT

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2352	76c84aaf1e833d2c9016a37ebf56ee2e.exe

Executes dropped EXE 1 IoCs

pid	Process
2352	76c84aaf1e833d2c9016a37ebf56ee2e.exe

Loads dropped DLL 1 IoCs

pid	Process
2420	76c84aaf1e833d2c9016a37ebf56ee2e.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	76c84aaf1e833d2c9016a37ebf56ee2e.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	76c84aaf1e833d2c9016a37ebf56ee2e.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	76c84aaf1e833d2c9016a37ebf56ee2e.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2420	76c84aaf1e833d2c9016a37ebf56ee2e.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2420	76c84aaf1e833d2c9016a37ebf56ee2e.exe
2352	76c84aaf1e833d2c9016a37ebf56ee2e.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2420 wrote to memory of 2352	2420	76c84aaf1e833d2c9016a37ebf56ee2e.exe	28
PID 2420 wrote to memory of 2352	2420	76c84aaf1e833d2c9016a37ebf56ee2e.exe	28
PID 2420 wrote to memory of 2352	2420	76c84aaf1e833d2c9016a37ebf56ee2e.exe	28
PID 2420 wrote to memory of 2352	2420	76c84aaf1e833d2c9016a37ebf56ee2e.exe	28

C:\Users\Admin\AppData\Local\Temp\76c84aaf1e833d2c9016a37ebf56ee2e.exe
"C:\Users\Admin\AppData\Local\Temp\76c84aaf1e833d2c9016a37ebf56ee2e.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2420
- C:\Users\Admin\AppData\Local\Temp\76c84aaf1e833d2c9016a37ebf56ee2e.exe
  C:\Users\Admin\AppData\Local\Temp\76c84aaf1e833d2c9016a37ebf56ee2e.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2352

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\Cab34C8.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar3529.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
\Users\Admin\AppData\Local\Temp\76c84aaf1e833d2c9016a37ebf56ee2e.exe

Filesize
771KB

MD5
b3257f6e8533960ab98afbc900b7664f

SHA1
910f083a84a428420be0a7469274cd94860acb3d

SHA256
3c58b9c987b283a0407a05ace36357966a2a24a99ab5f90e544a36acbccb9ad0

SHA512
86d77865d5a6ef433b2f913aed6543ca3807d09117782d8e6fb26d3ec6c75de1a28123ccb082de156f1d9ea3aa7905facc96d264a4365c054064f4b29023160b

Download Submit
memory/2352-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2352-16-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2352-18-0x0000000000240000-0x00000000002A6000-memory.dmp

Filesize
408KB

Download
memory/2352-26-0x0000000000370000-0x00000000003CF000-memory.dmp

Filesize
380KB

Download
memory/2352-77-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2352-82-0x000000000EA20000-0x000000000EA5C000-memory.dmp

Filesize
240KB

Download
memory/2352-83-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2420-15-0x0000000000330000-0x0000000000396000-memory.dmp

Filesize
408KB

Download
memory/2420-13-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2420-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2420-2-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2420-1-0x0000000000190000-0x00000000001F6000-memory.dmp

Filesize
408KB

Download

Analysis

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