b5c03b6581e159956d36c0d8c9f343cd1323f2f1e194ad8e02d8ff0c28b132f2

General

Target

73913619f8c9b8f3f516e1055a433618.exe
Size

385KB
MD5

73913619f8c9b8f3f516e1055a433618
SHA1

033de03690d1ad4e52e08ea45c950a1dff2349e3
SHA256

b5c03b6581e159956d36c0d8c9f343cd1323f2f1e194ad8e02d8ff0c28b132f2
SHA512

09aa3cecd1f47156ff53d8918cec24328b629a6fe4b84694080e4ec4d99948570806ee330f5d83cadf2bf1ffd7cfd13e2202eb9f0f9700c09a1ba623734153b7
SSDEEP

12288:PnZMYlJw6ESGy4oKBvImeeUqVyZDE3u00uC7ySFB:BMYIS43IFk3PqyyB

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1916	73913619f8c9b8f3f516e1055a433618.exe

Executes dropped EXE 1 IoCs

pid	Process
1916	73913619f8c9b8f3f516e1055a433618.exe

Loads dropped DLL 1 IoCs

pid	Process
1752	73913619f8c9b8f3f516e1055a433618.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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	73913619f8c9b8f3f516e1055a433618.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474	73913619f8c9b8f3f516e1055a433618.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	73913619f8c9b8f3f516e1055a433618.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1752	73913619f8c9b8f3f516e1055a433618.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1752	73913619f8c9b8f3f516e1055a433618.exe
1916	73913619f8c9b8f3f516e1055a433618.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1752 wrote to memory of 1916	1752	73913619f8c9b8f3f516e1055a433618.exe	28
PID 1752 wrote to memory of 1916	1752	73913619f8c9b8f3f516e1055a433618.exe	28
PID 1752 wrote to memory of 1916	1752	73913619f8c9b8f3f516e1055a433618.exe	28
PID 1752 wrote to memory of 1916	1752	73913619f8c9b8f3f516e1055a433618.exe	28

C:\Users\Admin\AppData\Local\Temp\73913619f8c9b8f3f516e1055a433618.exe
"C:\Users\Admin\AppData\Local\Temp\73913619f8c9b8f3f516e1055a433618.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1752
- C:\Users\Admin\AppData\Local\Temp\73913619f8c9b8f3f516e1055a433618.exe
  C:\Users\Admin\AppData\Local\Temp\73913619f8c9b8f3f516e1055a433618.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:1916

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\TarD20.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
\Users\Admin\AppData\Local\Temp\73913619f8c9b8f3f516e1055a433618.exe

Filesize
385KB

MD5
0314500a7bf719bccebc17eeb7cd885c

SHA1
67d06271749959ddbaf995ac3d5cd709176a49f9

SHA256
03d2a1dc1e5982464f173343de84a260af8b18299a2f8bf51837a0c07898dddb

SHA512
a90119239bb625827782e3d412686a53b4024be688e663944d6daef5010cc7a700a5563d7dd67738e045e33b6029150bb4ad536f4d2c9b400749284d949beda4

Download Submit
memory/1752-1-0x0000000000370000-0x00000000003D6000-memory.dmp

Filesize
408KB

Download
memory/1752-2-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/1752-14-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/1752-15-0x0000000002DE0000-0x0000000002E46000-memory.dmp

Filesize
408KB

Download
memory/1752-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1916-18-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1916-29-0x0000000001470000-0x00000000014CF000-memory.dmp

Filesize
380KB

Download
memory/1916-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1916-20-0x0000000000190000-0x00000000001F6000-memory.dmp

Filesize
408KB

Download
memory/1916-82-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1916-87-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1916-88-0x00000000085D0000-0x000000000860C000-memory.dmp

Filesize
240KB

Download

Analysis

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