6485ef8255bdf8b9481d755c71521eefd51a361a5fc72108f522a3c39a9c7d3f

General

Target

66dafe32ea75568635851d428149f4b8.exe
Size

385KB
MD5

66dafe32ea75568635851d428149f4b8
SHA1

b12882e6cdbbee8b64847797d7a9aecbe109988c
SHA256

6485ef8255bdf8b9481d755c71521eefd51a361a5fc72108f522a3c39a9c7d3f
SHA512

f71433a96d0b1ad24d980dad854fc7ef045b2bcbcc4d52d1b6ddb0de588acb7012ec0f9f6cfcb96e5dd14ab200bb36a75c92bb160f4eb5395bf5a9502db0b61d
SSDEEP

6144:3FzQuCuwHnIlCObBm9fpw3IcwsgWCWACwN2HxqC8waXwCIGy7f3rGu0CB:ih2COdyhczf/BnQyTICB

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1132	66dafe32ea75568635851d428149f4b8.exe

Executes dropped EXE 1 IoCs

pid	Process
1132	66dafe32ea75568635851d428149f4b8.exe

Loads dropped DLL 1 IoCs

pid	Process
2436	66dafe32ea75568635851d428149f4b8.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
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474	66dafe32ea75568635851d428149f4b8.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	66dafe32ea75568635851d428149f4b8.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	66dafe32ea75568635851d428149f4b8.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2436	66dafe32ea75568635851d428149f4b8.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2436	66dafe32ea75568635851d428149f4b8.exe
1132	66dafe32ea75568635851d428149f4b8.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2436 wrote to memory of 1132	2436	66dafe32ea75568635851d428149f4b8.exe	15
PID 2436 wrote to memory of 1132	2436	66dafe32ea75568635851d428149f4b8.exe	15
PID 2436 wrote to memory of 1132	2436	66dafe32ea75568635851d428149f4b8.exe	15
PID 2436 wrote to memory of 1132	2436	66dafe32ea75568635851d428149f4b8.exe	15

C:\Users\Admin\AppData\Local\Temp\66dafe32ea75568635851d428149f4b8.exe
"C:\Users\Admin\AppData\Local\Temp\66dafe32ea75568635851d428149f4b8.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2436
- C:\Users\Admin\AppData\Local\Temp\66dafe32ea75568635851d428149f4b8.exe
  C:\Users\Admin\AppData\Local\Temp\66dafe32ea75568635851d428149f4b8.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:1132

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\66dafe32ea75568635851d428149f4b8.exe

Filesize
356KB

MD5
587fddfd7ae46da7f20717ed5f5fd2e9

SHA1
0865b30ba5b1992844e3170fd108f24ba2cb85ef

SHA256
d7c0a28bee35a03eeba3e428b25c8bfc8177044b616b1e7b2aaf94701c588d11

SHA512
6f5ba480b713c00eacb4404eeae8f739b3ce32af1aa499e75bcdfb872a6e04194d15bf0925b35811933c06583d22ad2a96ef4b51146e0e4171e554710176ba34

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab15E3.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar15F6.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
\Users\Admin\AppData\Local\Temp\66dafe32ea75568635851d428149f4b8.exe

Filesize
385KB

MD5
c5cfb75ff4106916e4b1f60abecc4cc0

SHA1
c5ec1cdee02b04565e48a23011829cd6e0bde56d

SHA256
1397afdbc55c5fe6194a7e8c111ac5d405dc6fc873561b890a87e407c9a35e4a

SHA512
6a5561b6d1eda6944e023975e0d1f81f472032ce79a1b797e5bc011aef319fc3b6618fdc28c8e08238b65bd00d889e65f3a81201f7eea5b6b85f209ed4067c6f

Download Submit
memory/1132-18-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1132-20-0x0000000000190000-0x00000000001F6000-memory.dmp

Filesize
408KB

Download
memory/1132-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1132-26-0x0000000000310000-0x000000000036F000-memory.dmp

Filesize
380KB

Download
memory/1132-82-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1132-83-0x00000000096E0000-0x000000000971C000-memory.dmp

Filesize
240KB

Download
memory/1132-77-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2436-3-0x0000000000390000-0x00000000003F6000-memory.dmp

Filesize
408KB

Download
memory/2436-1-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2436-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2436-13-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2436-16-0x0000000002E10000-0x0000000002E76000-memory.dmp

Filesize
408KB

Download

Analysis

Sharing