dd6b0b11044ddbf022fcc5f36ab2574e43ceebad3c255d23e85a3ea831c54f89

General

Target

4b92ebaedad8cf777c9bcf973b6c2dca.exe
Size

385KB
MD5

4b92ebaedad8cf777c9bcf973b6c2dca
SHA1

935770b763263e94c2b13d900e64c88f41086566
SHA256

dd6b0b11044ddbf022fcc5f36ab2574e43ceebad3c255d23e85a3ea831c54f89
SHA512

b008d0f11f1944debeb58b428ada92a2f409f8d8391571947aad9218b172d8be68214e22a58112aeb2e1df75cc6bab472858822bc42530d36de3403cd773a1b2
SSDEEP

6144:44Kpr3WVVSFGY3wigyqZcnyULHht5TXJVmGoDmyGejvYTJkppKbhctM4SuIphsMI:44KxGQGCySn9tboTrNpwcnSuQC2cB

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2712	4b92ebaedad8cf777c9bcf973b6c2dca.exe

Executes dropped EXE 1 IoCs

pid	Process
2712	4b92ebaedad8cf777c9bcf973b6c2dca.exe

Loads dropped DLL 1 IoCs

pid	Process
2856	4b92ebaedad8cf777c9bcf973b6c2dca.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	4b92ebaedad8cf777c9bcf973b6c2dca.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	4b92ebaedad8cf777c9bcf973b6c2dca.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	4b92ebaedad8cf777c9bcf973b6c2dca.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2856	4b92ebaedad8cf777c9bcf973b6c2dca.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2856	4b92ebaedad8cf777c9bcf973b6c2dca.exe
2712	4b92ebaedad8cf777c9bcf973b6c2dca.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2856 wrote to memory of 2712	2856	4b92ebaedad8cf777c9bcf973b6c2dca.exe	28
PID 2856 wrote to memory of 2712	2856	4b92ebaedad8cf777c9bcf973b6c2dca.exe	28
PID 2856 wrote to memory of 2712	2856	4b92ebaedad8cf777c9bcf973b6c2dca.exe	28
PID 2856 wrote to memory of 2712	2856	4b92ebaedad8cf777c9bcf973b6c2dca.exe	28

C:\Users\Admin\AppData\Local\Temp\4b92ebaedad8cf777c9bcf973b6c2dca.exe
"C:\Users\Admin\AppData\Local\Temp\4b92ebaedad8cf777c9bcf973b6c2dca.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2856
- C:\Users\Admin\AppData\Local\Temp\4b92ebaedad8cf777c9bcf973b6c2dca.exe
  C:\Users\Admin\AppData\Local\Temp\4b92ebaedad8cf777c9bcf973b6c2dca.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2712

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\Cab77FF.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar7841.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
\Users\Admin\AppData\Local\Temp\4b92ebaedad8cf777c9bcf973b6c2dca.exe

Filesize
385KB

MD5
f2418075d160e670108fe3b87f6fdce9

SHA1
f88dc0b96d6a91ca8d4b05049770357dc93f56d8

SHA256
159c409840269321ea111480fa277260abd50ddb9c57b12c7e2eee7b9fa56b2c

SHA512
1671f3966fd72631f915e9e88c8daf9a5bd573fbfa0984120067e2a9e5c981e0da9d95e92a76ecab8a2082a11e8ace5c74796c686ab0caa7a357b28fb378e73c

Download Submit
memory/2712-17-0x0000000000380000-0x00000000003E6000-memory.dmp

Filesize
408KB

Download
memory/2712-23-0x0000000002CB0000-0x0000000002D0F000-memory.dmp

Filesize
380KB

Download
memory/2712-22-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2712-76-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2712-81-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2712-82-0x000000000D800000-0x000000000D83C000-memory.dmp

Filesize
240KB

Download
memory/2856-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2856-12-0x0000000001470000-0x00000000014D6000-memory.dmp

Filesize
408KB

Download
memory/2856-14-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2856-2-0x0000000000330000-0x0000000000396000-memory.dmp

Filesize
408KB

Download
memory/2856-1-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download

Analysis

Sharing