3ebe33a72f5f93e9f3cb98c41164f3c3915adda7da334e5e928574dfc0cac5e0

General

Target

40d4a2556e43eac71a9e7ce1d4a76fe6.exe
Size

385KB
MD5

40d4a2556e43eac71a9e7ce1d4a76fe6
SHA1

77c34ac35884ea9f22b445705a60c4a85fd4f9a6
SHA256

3ebe33a72f5f93e9f3cb98c41164f3c3915adda7da334e5e928574dfc0cac5e0
SHA512

a966be9c26a837e942a1bd134b7dc55c5f06c49127de715f9b00a7a979d523608c4805168be79ec857b84b4f151145891529bd983755a8ff7ce13f3ad48e439f
SSDEEP

12288:S6w+lQKsLKJJAdnDRWoG3SllL7kNCtWTPB:Vw+lQCohG3slLRaB

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2716	40d4a2556e43eac71a9e7ce1d4a76fe6.exe

Executes dropped EXE 1 IoCs

pid	Process
2716	40d4a2556e43eac71a9e7ce1d4a76fe6.exe

Loads dropped DLL 1 IoCs

pid	Process
2760	40d4a2556e43eac71a9e7ce1d4a76fe6.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	40d4a2556e43eac71a9e7ce1d4a76fe6.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	40d4a2556e43eac71a9e7ce1d4a76fe6.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	40d4a2556e43eac71a9e7ce1d4a76fe6.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2760	40d4a2556e43eac71a9e7ce1d4a76fe6.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2760	40d4a2556e43eac71a9e7ce1d4a76fe6.exe
2716	40d4a2556e43eac71a9e7ce1d4a76fe6.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2760 wrote to memory of 2716	2760	40d4a2556e43eac71a9e7ce1d4a76fe6.exe	28
PID 2760 wrote to memory of 2716	2760	40d4a2556e43eac71a9e7ce1d4a76fe6.exe	28
PID 2760 wrote to memory of 2716	2760	40d4a2556e43eac71a9e7ce1d4a76fe6.exe	28
PID 2760 wrote to memory of 2716	2760	40d4a2556e43eac71a9e7ce1d4a76fe6.exe	28

C:\Users\Admin\AppData\Local\Temp\40d4a2556e43eac71a9e7ce1d4a76fe6.exe
"C:\Users\Admin\AppData\Local\Temp\40d4a2556e43eac71a9e7ce1d4a76fe6.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2760
- C:\Users\Admin\AppData\Local\Temp\40d4a2556e43eac71a9e7ce1d4a76fe6.exe
  C:\Users\Admin\AppData\Local\Temp\40d4a2556e43eac71a9e7ce1d4a76fe6.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2716

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\CabAD71.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarB705.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
\Users\Admin\AppData\Local\Temp\40d4a2556e43eac71a9e7ce1d4a76fe6.exe

Filesize
385KB

MD5
e5182372d0150fcd6c36de5042155e6b

SHA1
7a728048cfba4e1bc4ecf941eb99ffb69cd72ce7

SHA256
6d9e9dd944625fe82fe27700ca60c1fa74997a5f3179a9dc4ffc9abd00a3d912

SHA512
41664b2f92daa485bf5ee720fc400b631e9d867831f73709693e3e4e13378306840e80d45d68affcca6d7b5ac828b98caf45529de4c2ed5c5abca9ce19633d31

Download Submit
memory/2716-77-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2716-16-0x0000000000390000-0x00000000003F6000-memory.dmp

Filesize
408KB

Download
memory/2716-18-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2716-28-0x0000000002D10000-0x0000000002D6F000-memory.dmp

Filesize
380KB

Download
memory/2716-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2716-82-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2716-83-0x000000000D680000-0x000000000D6BC000-memory.dmp

Filesize
240KB

Download
memory/2716-84-0x000000000D680000-0x000000000D6BC000-memory.dmp

Filesize
240KB

Download
memory/2760-14-0x0000000000390000-0x00000000003F6000-memory.dmp

Filesize
408KB

Download
memory/2760-13-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2760-1-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2760-2-0x0000000000320000-0x0000000000386000-memory.dmp

Filesize
408KB

Download
memory/2760-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download

Analysis

Sharing