403ddb34e214eaec2d87c010097269877a370ff0d72843adc1e1388559979d09

General

Target

2c86259b09727e54a2d7669047bc7433.exe
Size

385KB
MD5

2c86259b09727e54a2d7669047bc7433
SHA1

b10f40672ecbf35c4232d8340a2225afd4c8ee20
SHA256

403ddb34e214eaec2d87c010097269877a370ff0d72843adc1e1388559979d09
SHA512

2d1c6a52d71661e71185548a40d7b96536a13c5e62d53fa8dad077dab74c5a4a031d7bb352298e0a1551d7b6e939a0d4217fcb3a80d0edcd9ddbfc0a1c050d5a
SSDEEP

6144:fFRVau1M/E9jSS0+sAHew+ZlG0l6YFgjzl4toW8m6FsRK4l4QDheg+5OH1YGQAFb:NvEoW0FsZcg0U1YGQApIc5xB

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2604	2c86259b09727e54a2d7669047bc7433.exe

Executes dropped EXE 1 IoCs

pid	Process
2604	2c86259b09727e54a2d7669047bc7433.exe

Loads dropped DLL 1 IoCs

pid	Process
1244	2c86259b09727e54a2d7669047bc7433.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	2c86259b09727e54a2d7669047bc7433.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	2c86259b09727e54a2d7669047bc7433.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	2c86259b09727e54a2d7669047bc7433.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1244	2c86259b09727e54a2d7669047bc7433.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1244	2c86259b09727e54a2d7669047bc7433.exe
2604	2c86259b09727e54a2d7669047bc7433.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1244 wrote to memory of 2604	1244	2c86259b09727e54a2d7669047bc7433.exe	29
PID 1244 wrote to memory of 2604	1244	2c86259b09727e54a2d7669047bc7433.exe	29
PID 1244 wrote to memory of 2604	1244	2c86259b09727e54a2d7669047bc7433.exe	29
PID 1244 wrote to memory of 2604	1244	2c86259b09727e54a2d7669047bc7433.exe	29

C:\Users\Admin\AppData\Local\Temp\2c86259b09727e54a2d7669047bc7433.exe
"C:\Users\Admin\AppData\Local\Temp\2c86259b09727e54a2d7669047bc7433.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1244
- C:\Users\Admin\AppData\Local\Temp\2c86259b09727e54a2d7669047bc7433.exe
  C:\Users\Admin\AppData\Local\Temp\2c86259b09727e54a2d7669047bc7433.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2604

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\Cab732F.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar7370.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
\Users\Admin\AppData\Local\Temp\2c86259b09727e54a2d7669047bc7433.exe

Filesize
385KB

MD5
750fc793764e255e50afbd81b611446c

SHA1
905e202e501a488131a838531abfe92b60426d40

SHA256
fa64cd96c35c82c203764d9157356749982e602d2c4d1b6ef0748faf8c7f6a36

SHA512
43a2eb97464a9d7efd179421de56395a0685936710b167ec54e14b475843ecfd6c14f59c1ebbcce53a161fb5be687446236184b6a928ce49169d36e6828bcf7b

Download Submit
memory/1244-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1244-12-0x0000000000380000-0x00000000003E6000-memory.dmp

Filesize
408KB

Download
memory/1244-14-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/1244-2-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/1244-1-0x0000000000310000-0x0000000000376000-memory.dmp

Filesize
408KB

Download
memory/2604-17-0x0000000000260000-0x00000000002C6000-memory.dmp

Filesize
408KB

Download
memory/2604-23-0x00000000002D0000-0x000000000032F000-memory.dmp

Filesize
380KB

Download
memory/2604-22-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2604-76-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2604-78-0x0000000008410000-0x000000000844C000-memory.dmp

Filesize
240KB

Download
memory/2604-82-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

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