1c32f664f2eb246ee0a25abee666d657548a27e3a12c5ed00415a52e249aabac

General

Target

4d8bf427629e77bae9fd5f34349c6e2d.exe
Size

385KB
MD5

4d8bf427629e77bae9fd5f34349c6e2d
SHA1

59e2f8cc7b3952d5ab3d260726b899967ab55af7
SHA256

1c32f664f2eb246ee0a25abee666d657548a27e3a12c5ed00415a52e249aabac
SHA512

b2fc640e6a4beab0422f224606f6f36c7e0941c9e3d337e57a64fa5561944c7ea08f531aa58b213554ba11f99304ab7a23154a8bb4d982b85a1108565a1b7a89
SSDEEP

6144:oEUm0zCRTu5R0hamLxVyuD4FheYnFUQcKXwJxYZIBoHGYje2Gi2bScK7UlSBB:Kmb9u5yVyusFheYFaKXHfmB2Gio+UwBB

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1944	4d8bf427629e77bae9fd5f34349c6e2d.exe

Executes dropped EXE 1 IoCs

pid	Process
1944	4d8bf427629e77bae9fd5f34349c6e2d.exe

Loads dropped DLL 1 IoCs

pid	Process
2040	4d8bf427629e77bae9fd5f34349c6e2d.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	4d8bf427629e77bae9fd5f34349c6e2d.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	4d8bf427629e77bae9fd5f34349c6e2d.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	4d8bf427629e77bae9fd5f34349c6e2d.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2040	4d8bf427629e77bae9fd5f34349c6e2d.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2040	4d8bf427629e77bae9fd5f34349c6e2d.exe
1944	4d8bf427629e77bae9fd5f34349c6e2d.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2040 wrote to memory of 1944	2040	4d8bf427629e77bae9fd5f34349c6e2d.exe	28
PID 2040 wrote to memory of 1944	2040	4d8bf427629e77bae9fd5f34349c6e2d.exe	28
PID 2040 wrote to memory of 1944	2040	4d8bf427629e77bae9fd5f34349c6e2d.exe	28
PID 2040 wrote to memory of 1944	2040	4d8bf427629e77bae9fd5f34349c6e2d.exe	28

C:\Users\Admin\AppData\Local\Temp\4d8bf427629e77bae9fd5f34349c6e2d.exe
"C:\Users\Admin\AppData\Local\Temp\4d8bf427629e77bae9fd5f34349c6e2d.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2040
- C:\Users\Admin\AppData\Local\Temp\4d8bf427629e77bae9fd5f34349c6e2d.exe
  C:\Users\Admin\AppData\Local\Temp\4d8bf427629e77bae9fd5f34349c6e2d.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:1944

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\Cab6D84.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar6DD5.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
\Users\Admin\AppData\Local\Temp\4d8bf427629e77bae9fd5f34349c6e2d.exe

Filesize
385KB

MD5
ad268ba746f364562cb1b03d95f679fe

SHA1
7f7116a6c1a3b1ea21348e463574f737f2158440

SHA256
4e0acb08ff32097750acc62adbd1563db25d3715933b7d747fb3bd9777c5ad81

SHA512
ca2e44170c6b17f195ee38a08fd163e5b52e7f6b54cc6a9e919b328919d6ca552ccd5894402153424486e4d4249a970a53a96d9046ce0ff054b3cb0649981e6e

Download Submit
memory/1944-16-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1944-17-0x0000000000190000-0x00000000001F6000-memory.dmp

Filesize
408KB

Download
memory/1944-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1944-26-0x0000000000240000-0x000000000029F000-memory.dmp

Filesize
380KB

Download
memory/1944-77-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1944-82-0x00000000095F0000-0x000000000962C000-memory.dmp

Filesize
240KB

Download
memory/1944-83-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2040-13-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2040-15-0x0000000002DD0000-0x0000000002E36000-memory.dmp

Filesize
408KB

Download
memory/2040-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2040-3-0x0000000000370000-0x00000000003D6000-memory.dmp

Filesize
408KB

Download
memory/2040-1-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download

Analysis

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