3b4bbb873b009a7c75622abafef758566a5aade0cb8708f7eeea3d194ea1ae07

General

Target

bf64f380725b2defddd3fca7a1b2eb5a.exe
Size

771KB
MD5

bf64f380725b2defddd3fca7a1b2eb5a
SHA1

ae81d649b952420f8edcd9eed76ab12ebac7f403
SHA256

3b4bbb873b009a7c75622abafef758566a5aade0cb8708f7eeea3d194ea1ae07
SHA512

cea8ffbd0066bf5edc1349f8ec6732d9f290f133edaf8770f908b9880784606d4e81f452ed206427edb1b08a02bcccefd064c83bcadfc320836eafafb641d490
SSDEEP

12288:191WsIl8NNjtdQbB4MnqU7PFoOU2b10VHmDXTuFaa2AtyGTKOF25ZoJJyhRge8B/:tSIU942N28b10hJaothZ2/T6FBBB

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2112	bf64f380725b2defddd3fca7a1b2eb5a.exe

Executes dropped EXE 1 IoCs

pid	Process
2112	bf64f380725b2defddd3fca7a1b2eb5a.exe

Loads dropped DLL 1 IoCs

pid	Process
1716	bf64f380725b2defddd3fca7a1b2eb5a.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
4	pastebin.com
3	pastebin.com

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	bf64f380725b2defddd3fca7a1b2eb5a.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	bf64f380725b2defddd3fca7a1b2eb5a.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	bf64f380725b2defddd3fca7a1b2eb5a.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1716	bf64f380725b2defddd3fca7a1b2eb5a.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1716	bf64f380725b2defddd3fca7a1b2eb5a.exe
2112	bf64f380725b2defddd3fca7a1b2eb5a.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1716 wrote to memory of 2112	1716	bf64f380725b2defddd3fca7a1b2eb5a.exe	28
PID 1716 wrote to memory of 2112	1716	bf64f380725b2defddd3fca7a1b2eb5a.exe	28
PID 1716 wrote to memory of 2112	1716	bf64f380725b2defddd3fca7a1b2eb5a.exe	28
PID 1716 wrote to memory of 2112	1716	bf64f380725b2defddd3fca7a1b2eb5a.exe	28

C:\Users\Admin\AppData\Local\Temp\bf64f380725b2defddd3fca7a1b2eb5a.exe
"C:\Users\Admin\AppData\Local\Temp\bf64f380725b2defddd3fca7a1b2eb5a.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1716
- C:\Users\Admin\AppData\Local\Temp\bf64f380725b2defddd3fca7a1b2eb5a.exe
  C:\Users\Admin\AppData\Local\Temp\bf64f380725b2defddd3fca7a1b2eb5a.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2112

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\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

Filesize
67KB

MD5
753df6889fd7410a2e9fe333da83a429

SHA1
3c425f16e8267186061dd48ac1c77c122962456e

SHA256
b42dc237e44cbc9a43400e7d3f9cbd406dbdefd62bfe87328f8663897d69df78

SHA512
9d56f79410ad0cf852c74c3ef9454e7ae86e80bdd6ff67773994b48ccac71142bcf5c90635da6a056e1406e81e64674db9584928e867c55b77b59e2851cf6444

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarA73E.tmp

Filesize
175KB

MD5
dd73cead4b93366cf3465c8cd32e2796

SHA1
74546226dfe9ceb8184651e920d1dbfb432b314e

SHA256
a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

SHA512
ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

Download Submit
\Users\Admin\AppData\Local\Temp\bf64f380725b2defddd3fca7a1b2eb5a.exe

Filesize
771KB

MD5
715d1618496f41520ca1eeced59350fc

SHA1
04b17eba353f59b63ad82ee5988f0b819767ce76

SHA256
430cca8d3e511659ef3849a55f182f3de37d40b072420f02337b42a0a03c778b

SHA512
e22c88598112abdf7fddbd9bdf7498811a2e11c8173c2c563147fa80ef2ca2557d4fe9c58f9b42217828c3aa8172bfe0f6e11bd3f7ada014bf3b38d450fb4a02

Download Submit
memory/1716-2-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/1716-1-0x0000000000360000-0x00000000003C6000-memory.dmp

Filesize
408KB

Download
memory/1716-14-0x0000000002DE0000-0x0000000002E46000-memory.dmp

Filesize
408KB

Download
memory/1716-13-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/1716-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2112-16-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2112-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2112-24-0x00000000002E0000-0x000000000033F000-memory.dmp

Filesize
380KB

Download
memory/2112-17-0x0000000000230000-0x0000000000296000-memory.dmp

Filesize
408KB

Download
memory/2112-81-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2112-87-0x00000000095E0000-0x000000000961C000-memory.dmp

Filesize
240KB

Download
memory/2112-86-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

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