2166c3b9c75078005224c72d394ca41d69aff8fcebeb508dbc868f2a3298499b

General

Target

3eb7b75b5f029325519623ee1c3712c0.exe
Size

385KB
MD5

3eb7b75b5f029325519623ee1c3712c0
SHA1

4944dc7f49af5ef784273dd1bc982ec598d57203
SHA256

2166c3b9c75078005224c72d394ca41d69aff8fcebeb508dbc868f2a3298499b
SHA512

ca9bfef1c8eb4e961e9afaeea018ba7356144c0d98d6ebb283c53211b87f03bffae265ad5d5d77d07d5c8d16b6e74ca42cca22aabfbe6bbd2a45d7247b4c366f
SSDEEP

6144:1IB2sF17WbW/tIi5RktieUaU+JfJ/Jx41mus+IHpr+Kz1ye4exhHKgMB:vsf7WbW3RleBUER/mEHt/N7v7MB

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2668	3eb7b75b5f029325519623ee1c3712c0.exe

Executes dropped EXE 1 IoCs

pid	Process
2668	3eb7b75b5f029325519623ee1c3712c0.exe

Loads dropped DLL 1 IoCs

pid	Process
760	3eb7b75b5f029325519623ee1c3712c0.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
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	3eb7b75b5f029325519623ee1c3712c0.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474	3eb7b75b5f029325519623ee1c3712c0.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	3eb7b75b5f029325519623ee1c3712c0.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
760	3eb7b75b5f029325519623ee1c3712c0.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
760	3eb7b75b5f029325519623ee1c3712c0.exe
2668	3eb7b75b5f029325519623ee1c3712c0.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 760 wrote to memory of 2668	760	3eb7b75b5f029325519623ee1c3712c0.exe	28
PID 760 wrote to memory of 2668	760	3eb7b75b5f029325519623ee1c3712c0.exe	28
PID 760 wrote to memory of 2668	760	3eb7b75b5f029325519623ee1c3712c0.exe	28
PID 760 wrote to memory of 2668	760	3eb7b75b5f029325519623ee1c3712c0.exe	28

C:\Users\Admin\AppData\Local\Temp\3eb7b75b5f029325519623ee1c3712c0.exe
"C:\Users\Admin\AppData\Local\Temp\3eb7b75b5f029325519623ee1c3712c0.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:760
- C:\Users\Admin\AppData\Local\Temp\3eb7b75b5f029325519623ee1c3712c0.exe
  C:\Users\Admin\AppData\Local\Temp\3eb7b75b5f029325519623ee1c3712c0.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2668

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\CabAF64.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarB003.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
\Users\Admin\AppData\Local\Temp\3eb7b75b5f029325519623ee1c3712c0.exe

Filesize
385KB

MD5
5f03b281bad7ea91a99b178ed284a863

SHA1
276e2874e97a849d8f088848fa4cb267527d1388

SHA256
975565b6bfbbe22aec07ddbfa4362e726548efde74346bf9a5487c0908bb4c3c

SHA512
a32ed0c69d44d7044a094c28fdec32b769fc5ccfdc771bc8758266ba83807f7b4ea90df15c1af3c14b353f566f1ed8de5835171944ebdadec789634433f34a5e

Download Submit
memory/760-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/760-12-0x00000000002C0000-0x0000000000326000-memory.dmp

Filesize
408KB

Download
memory/760-15-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/760-2-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/760-1-0x0000000000190000-0x00000000001F6000-memory.dmp

Filesize
408KB

Download
memory/2668-17-0x0000000000270000-0x00000000002D6000-memory.dmp

Filesize
408KB

Download
memory/2668-23-0x00000000002E0000-0x000000000033F000-memory.dmp

Filesize
380KB

Download
memory/2668-22-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2668-76-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2668-81-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2668-82-0x0000000005540000-0x000000000557C000-memory.dmp

Filesize
240KB

Download

Analysis

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