ee6d3f75b4b0e2eb02f52703f84e6a41023733028c4c6a483fac5411bc6587db

General

Target

23c5a119c67a2eb5793833e42252469b.exe
Size

771KB
MD5

23c5a119c67a2eb5793833e42252469b
SHA1

bdad17cc4e15c70ae3c45175176c05d7dd8d344e
SHA256

ee6d3f75b4b0e2eb02f52703f84e6a41023733028c4c6a483fac5411bc6587db
SHA512

9f7a34e083f68b6032f23f20c6a892fd1333bb734147fca9d604b71d52987638f1e38dee89d990775d7442776d04a6b9fb9ac591507b898f4ea5bec557305067
SSDEEP

24576:CwEu2CILx/S5O0Sb13tvZWqEIz6qrfiTMB:2u2CIySb1VZQe6q7iT2

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2732	23c5a119c67a2eb5793833e42252469b.exe

Executes dropped EXE 1 IoCs

pid	Process
2732	23c5a119c67a2eb5793833e42252469b.exe

Loads dropped DLL 1 IoCs

pid	Process
2336	23c5a119c67a2eb5793833e42252469b.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	23c5a119c67a2eb5793833e42252469b.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	23c5a119c67a2eb5793833e42252469b.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	23c5a119c67a2eb5793833e42252469b.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2336	23c5a119c67a2eb5793833e42252469b.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2336	23c5a119c67a2eb5793833e42252469b.exe
2732	23c5a119c67a2eb5793833e42252469b.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2336 wrote to memory of 2732	2336	23c5a119c67a2eb5793833e42252469b.exe	28
PID 2336 wrote to memory of 2732	2336	23c5a119c67a2eb5793833e42252469b.exe	28
PID 2336 wrote to memory of 2732	2336	23c5a119c67a2eb5793833e42252469b.exe	28
PID 2336 wrote to memory of 2732	2336	23c5a119c67a2eb5793833e42252469b.exe	28

C:\Users\Admin\AppData\Local\Temp\23c5a119c67a2eb5793833e42252469b.exe
"C:\Users\Admin\AppData\Local\Temp\23c5a119c67a2eb5793833e42252469b.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2336
- C:\Users\Admin\AppData\Local\Temp\23c5a119c67a2eb5793833e42252469b.exe
  C:\Users\Admin\AppData\Local\Temp\23c5a119c67a2eb5793833e42252469b.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2732

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\Cab8596.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar85D8.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
\Users\Admin\AppData\Local\Temp\23c5a119c67a2eb5793833e42252469b.exe

Filesize
771KB

MD5
d9662a42686d4dd29560462c9c59c1d7

SHA1
3b50cf287c8dd951b094d0c6bdeeaa71a1a38107

SHA256
6cb52d5dc57d0916b243a04b453c0c0ffbb8b9c565baf16e7f3615cf7451ef17

SHA512
8aa586116037c6b12d5d917cdd9003c93ed7e4b4a8a14d68320ebde4dcac0d85468af0529e551e510f9a1aaee13ef9c7316036fb1a15ebdca79c38840c55ceb6

Download Submit
memory/2336-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2336-14-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2336-12-0x0000000002C70000-0x0000000002CD6000-memory.dmp

Filesize
408KB

Download
memory/2336-2-0x0000000000340000-0x00000000003A6000-memory.dmp

Filesize
408KB

Download
memory/2336-1-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2732-17-0x0000000000190000-0x00000000001F6000-memory.dmp

Filesize
408KB

Download
memory/2732-22-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2732-24-0x00000000014B0000-0x000000000150F000-memory.dmp

Filesize
380KB

Download
memory/2732-76-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2732-79-0x0000000009640000-0x000000000967C000-memory.dmp

Filesize
240KB

Download
memory/2732-82-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

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