918a6b486ff6f08d02cabe08520ae6f4a83f31edbb56ee0256d70940acea5c10

General

Target

58e4fdba8a2178eb8509841de4f33e37.exe
Size

385KB
MD5

58e4fdba8a2178eb8509841de4f33e37
SHA1

3890a22ccf39e4f93b4e0475020268c0eb3caa39
SHA256

918a6b486ff6f08d02cabe08520ae6f4a83f31edbb56ee0256d70940acea5c10
SHA512

d83709257dabd9b1f1b4fab1e994d7503ecb8f63d0e672e348d11aa602ee2e6a3663cf1a70471200bed2120f0d514e092631625405a2419bc9f8d0cf06e72d7d
SSDEEP

6144:x6rOl8ljNA4fYp2CyNS2wVpz2JYtL0yUuF09/HC/9hO5lHblohzIXNpy7B:x6OlS8hpSs5UkjfO5lHbYqIB

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2260	58e4fdba8a2178eb8509841de4f33e37.exe

Executes dropped EXE 1 IoCs

pid	Process
2260	58e4fdba8a2178eb8509841de4f33e37.exe

Loads dropped DLL 1 IoCs

pid	Process
2132	58e4fdba8a2178eb8509841de4f33e37.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	58e4fdba8a2178eb8509841de4f33e37.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	58e4fdba8a2178eb8509841de4f33e37.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	58e4fdba8a2178eb8509841de4f33e37.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2132	58e4fdba8a2178eb8509841de4f33e37.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2132	58e4fdba8a2178eb8509841de4f33e37.exe
2260	58e4fdba8a2178eb8509841de4f33e37.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2132 wrote to memory of 2260	2132	58e4fdba8a2178eb8509841de4f33e37.exe	28
PID 2132 wrote to memory of 2260	2132	58e4fdba8a2178eb8509841de4f33e37.exe	28
PID 2132 wrote to memory of 2260	2132	58e4fdba8a2178eb8509841de4f33e37.exe	28
PID 2132 wrote to memory of 2260	2132	58e4fdba8a2178eb8509841de4f33e37.exe	28

C:\Users\Admin\AppData\Local\Temp\58e4fdba8a2178eb8509841de4f33e37.exe
"C:\Users\Admin\AppData\Local\Temp\58e4fdba8a2178eb8509841de4f33e37.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2132
- C:\Users\Admin\AppData\Local\Temp\58e4fdba8a2178eb8509841de4f33e37.exe
  C:\Users\Admin\AppData\Local\Temp\58e4fdba8a2178eb8509841de4f33e37.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2260

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\58e4fdba8a2178eb8509841de4f33e37.exe

Filesize
337KB

MD5
4f56ba31811b80f449edd9ce3fa7385c

SHA1
0295508cf325999bb345e59bb89bcc75b586ecfd

SHA256
e594d02b6c66b9fb83bd0d99e85a6dee3167a99c8c8f3e8f6fa999142a63a1ac

SHA512
a09d59c3773426d698e891a6d0cfc38ab3f6d51688e8523c741c28e10cb357750a3dcfe28dfba9ae19fcff26d7f8fbc744869a5d4a352914c429c73328fb54eb

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab4A6A.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar4ACB.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
\Users\Admin\AppData\Local\Temp\58e4fdba8a2178eb8509841de4f33e37.exe

Filesize
385KB

MD5
963e99a9d74f4a04590a272988587d4f

SHA1
0c1ce90674a7290aa4af6d4476edd78623f808ad

SHA256
29bdfe650f718b140b1cd5fa8d6b0150c536f3c597c914022d74d662ca9e6fe9

SHA512
e18b8a7c4a42a1fa902289f68c303329e86d92841a5439e6a1037f195b2737ecdad01fa6e3655f33338986fd7e004569df90a1b2f6247e75b0cf85f613887e13

Download Submit
memory/2132-14-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2132-12-0x0000000002EC0000-0x0000000002F26000-memory.dmp

Filesize
408KB

Download
memory/2132-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2132-2-0x0000000000190000-0x00000000001F6000-memory.dmp

Filesize
408KB

Download
memory/2132-1-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2260-17-0x0000000000190000-0x00000000001F6000-memory.dmp

Filesize
408KB

Download
memory/2260-23-0x0000000002CC0000-0x0000000002D1F000-memory.dmp

Filesize
380KB

Download
memory/2260-22-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2260-76-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2260-81-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2260-82-0x00000000075C0000-0x00000000075FC000-memory.dmp

Filesize
240KB

Download

Analysis

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