3df11e6ec7c54958349f1e8d1991fc7b626482969c6dd1e623dc7b56e98d5fb3

General

Target

655a693b4069069e32e2fa37c662aeb1.exe
Size

385KB
MD5

655a693b4069069e32e2fa37c662aeb1
SHA1

2645aad1a61fd391592684bccafbb701ea912a11
SHA256

3df11e6ec7c54958349f1e8d1991fc7b626482969c6dd1e623dc7b56e98d5fb3
SHA512

30ab6807a18421ee4f0ed158ccd16ec12f9eb75bed9550948fbbb72ce1ad608ce454993a1a71e2ac93fecfb4f8a0cad7d243fa47b7b88c9b5dde544ef6944612
SSDEEP

6144:fwEn8r51uEmZ5WXt9qlIXyaWLNg57v2mTWUkWormmM4CiQnUONPjHM88EY2Z6YkR:1nC51vtjHBWUkW4mQusfYbkjznB

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2412	655a693b4069069e32e2fa37c662aeb1.exe

Executes dropped EXE 1 IoCs

pid	Process
2412	655a693b4069069e32e2fa37c662aeb1.exe

Loads dropped DLL 1 IoCs

pid	Process
3064	655a693b4069069e32e2fa37c662aeb1.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	655a693b4069069e32e2fa37c662aeb1.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	655a693b4069069e32e2fa37c662aeb1.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	655a693b4069069e32e2fa37c662aeb1.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
3064	655a693b4069069e32e2fa37c662aeb1.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
3064	655a693b4069069e32e2fa37c662aeb1.exe
2412	655a693b4069069e32e2fa37c662aeb1.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3064 wrote to memory of 2412	3064	655a693b4069069e32e2fa37c662aeb1.exe	28
PID 3064 wrote to memory of 2412	3064	655a693b4069069e32e2fa37c662aeb1.exe	28
PID 3064 wrote to memory of 2412	3064	655a693b4069069e32e2fa37c662aeb1.exe	28
PID 3064 wrote to memory of 2412	3064	655a693b4069069e32e2fa37c662aeb1.exe	28

C:\Users\Admin\AppData\Local\Temp\655a693b4069069e32e2fa37c662aeb1.exe
"C:\Users\Admin\AppData\Local\Temp\655a693b4069069e32e2fa37c662aeb1.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3064
- C:\Users\Admin\AppData\Local\Temp\655a693b4069069e32e2fa37c662aeb1.exe
  C:\Users\Admin\AppData\Local\Temp\655a693b4069069e32e2fa37c662aeb1.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2412

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\Cab8326.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar83C5.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
\Users\Admin\AppData\Local\Temp\655a693b4069069e32e2fa37c662aeb1.exe

Filesize
385KB

MD5
3bc5e7cb3941106d4d3cc5ddacd060a6

SHA1
fddbe81a6b3f50e0c8a48bfa3b58aaf15e801896

SHA256
5018be336f872314da77ddb65676f8f35e947e47542298d4c773718d263a0a70

SHA512
b3633909f92a077c1f733ce55261eb46ee803ad469e677ca5a19e576a5ea29c4b1b72ace3b71364c02906820dd5f81911b784bad485bdc25769b8f94c4a68f6a

Download Submit
memory/2412-17-0x0000000000380000-0x00000000003E6000-memory.dmp

Filesize
408KB

Download
memory/2412-22-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2412-26-0x0000000002C80000-0x0000000002CDF000-memory.dmp

Filesize
380KB

Download
memory/2412-76-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2412-78-0x000000000D6A0000-0x000000000D6DC000-memory.dmp

Filesize
240KB

Download
memory/2412-82-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/3064-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/3064-14-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/3064-12-0x0000000002EA0000-0x0000000002F06000-memory.dmp

Filesize
408KB

Download
memory/3064-2-0x0000000001470000-0x00000000014D6000-memory.dmp

Filesize
408KB

Download
memory/3064-1-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download

Analysis

Sharing