a60b9d9a58719b63326a08cf636c949429befc2cb6883c0f2a95e20409dd4dd3

General

Target

4a370f68c2fd5998b892e5d3ce0b8567.exe
Size

385KB
MD5

4a370f68c2fd5998b892e5d3ce0b8567
SHA1

bb6a60bcd0c0de6a0b783638566180922b39986a
SHA256

a60b9d9a58719b63326a08cf636c949429befc2cb6883c0f2a95e20409dd4dd3
SHA512

994b2eec6d5c978dddbccce8bf641a9ca390e89437a52358be04c3e355bced13986526f3d7d525ebdac676a9097e0573d1bde290b7e0023ad387ef72b7806936
SSDEEP

6144:Cnn7ydncs4pmh7gRzc+hWM+VtO1Cxlwl2lK7ReEiInI5bZjXjenu8bAdKEqMPQIv:Eocs4pbOHVlcjtnvqggBfbB

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1976	4a370f68c2fd5998b892e5d3ce0b8567.exe

Executes dropped EXE 1 IoCs

pid	Process
1976	4a370f68c2fd5998b892e5d3ce0b8567.exe

Loads dropped DLL 1 IoCs

pid	Process
2256	4a370f68c2fd5998b892e5d3ce0b8567.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	4a370f68c2fd5998b892e5d3ce0b8567.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	4a370f68c2fd5998b892e5d3ce0b8567.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	4a370f68c2fd5998b892e5d3ce0b8567.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2256	4a370f68c2fd5998b892e5d3ce0b8567.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2256	4a370f68c2fd5998b892e5d3ce0b8567.exe
1976	4a370f68c2fd5998b892e5d3ce0b8567.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2256 wrote to memory of 1976	2256	4a370f68c2fd5998b892e5d3ce0b8567.exe	28
PID 2256 wrote to memory of 1976	2256	4a370f68c2fd5998b892e5d3ce0b8567.exe	28
PID 2256 wrote to memory of 1976	2256	4a370f68c2fd5998b892e5d3ce0b8567.exe	28
PID 2256 wrote to memory of 1976	2256	4a370f68c2fd5998b892e5d3ce0b8567.exe	28

C:\Users\Admin\AppData\Local\Temp\4a370f68c2fd5998b892e5d3ce0b8567.exe
"C:\Users\Admin\AppData\Local\Temp\4a370f68c2fd5998b892e5d3ce0b8567.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2256
- C:\Users\Admin\AppData\Local\Temp\4a370f68c2fd5998b892e5d3ce0b8567.exe
  C:\Users\Admin\AppData\Local\Temp\4a370f68c2fd5998b892e5d3ce0b8567.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:1976

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\Cab9629.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar96A9.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
\Users\Admin\AppData\Local\Temp\4a370f68c2fd5998b892e5d3ce0b8567.exe

Filesize
385KB

MD5
ab2d5e757f484ffd550b3494078775e6

SHA1
cd87f4738d22ed4fac624b9d01258a17315937a8

SHA256
2ce98d84d36737f863369a0e17359032d3494ed78a2118930c10914f0e47103b

SHA512
977ff2d648de52a5990b0d91153d722c256df824f00d05ae4080d9230fbd72c0da2d23380a9db0149d0d597d88c01cb31a551613ad9061134344722bcc0d9dac

Download Submit
memory/1976-16-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1976-18-0x0000000000220000-0x0000000000286000-memory.dmp

Filesize
408KB

Download
memory/1976-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1976-27-0x0000000001470000-0x00000000014CF000-memory.dmp

Filesize
380KB

Download
memory/1976-77-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1976-82-0x000000000EB60000-0x000000000EB9C000-memory.dmp

Filesize
240KB

Download
memory/1976-83-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2256-13-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2256-15-0x0000000000390000-0x00000000003F6000-memory.dmp

Filesize
408KB

Download
memory/2256-1-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2256-3-0x0000000000320000-0x0000000000386000-memory.dmp

Filesize
408KB

Download
memory/2256-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download

Analysis

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