c7745fe485443d146b02891ac9ec410535e9b7f9e548ee25da01cdd08c63e52d

General

Target

beff3525fe2f4e42f90cba9da1dfe2af.exe
Size

385KB
MD5

beff3525fe2f4e42f90cba9da1dfe2af
SHA1

ecb9a49f6be745d211b7151bf8a8c00b380629bd
SHA256

c7745fe485443d146b02891ac9ec410535e9b7f9e548ee25da01cdd08c63e52d
SHA512

92a51811057a2baa33eb11f55756be1dcda84b9dc08aa02d23fe83dcca23736e4f53408a19b563a9bd95b3e9caccdd31ff97ca75f90f3e72d96de332ec8e62f9
SSDEEP

6144:MbqeGVTTHytg7q77XuTOX9R9sWlEzvFQw1Npqy03op/C89WvYbKYrb/B:MbqPVTTyg47+TOyWaLia/bK0b/B

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2380	beff3525fe2f4e42f90cba9da1dfe2af.exe

Executes dropped EXE 1 IoCs

pid	Process
2380	beff3525fe2f4e42f90cba9da1dfe2af.exe

Loads dropped DLL 1 IoCs

pid	Process
1724	beff3525fe2f4e42f90cba9da1dfe2af.exe

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

Web Service

T1102

flow	ioc
3	pastebin.com
4	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	beff3525fe2f4e42f90cba9da1dfe2af.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	beff3525fe2f4e42f90cba9da1dfe2af.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	beff3525fe2f4e42f90cba9da1dfe2af.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1724	beff3525fe2f4e42f90cba9da1dfe2af.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1724	beff3525fe2f4e42f90cba9da1dfe2af.exe
2380	beff3525fe2f4e42f90cba9da1dfe2af.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1724 wrote to memory of 2380	1724	beff3525fe2f4e42f90cba9da1dfe2af.exe	28
PID 1724 wrote to memory of 2380	1724	beff3525fe2f4e42f90cba9da1dfe2af.exe	28
PID 1724 wrote to memory of 2380	1724	beff3525fe2f4e42f90cba9da1dfe2af.exe	28
PID 1724 wrote to memory of 2380	1724	beff3525fe2f4e42f90cba9da1dfe2af.exe	28

C:\Users\Admin\AppData\Local\Temp\beff3525fe2f4e42f90cba9da1dfe2af.exe
"C:\Users\Admin\AppData\Local\Temp\beff3525fe2f4e42f90cba9da1dfe2af.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1724
- C:\Users\Admin\AppData\Local\Temp\beff3525fe2f4e42f90cba9da1dfe2af.exe
  C:\Users\Admin\AppData\Local\Temp\beff3525fe2f4e42f90cba9da1dfe2af.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2380

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\Tar4CA1.tmp

Filesize
175KB

MD5
dd73cead4b93366cf3465c8cd32e2796

SHA1
74546226dfe9ceb8184651e920d1dbfb432b314e

SHA256
a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

SHA512
ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

Download Submit
\Users\Admin\AppData\Local\Temp\beff3525fe2f4e42f90cba9da1dfe2af.exe

Filesize
385KB

MD5
81a867f931f4ade425eab12a3db5e614

SHA1
11599779972e720c5fd1920b07284335be34c36f

SHA256
6f543b63a990e9d087537988444c6fc15566735d399a005c173126f58b34516f

SHA512
0873389ddc475a656ea882934061a6f4ceb84c4cf6b31ea477231dc8c6f7ac25a1c269e7cbe6a21adab5757d74e918d92508389b377f57041e1e5cf7a563d44b

Download Submit
memory/1724-13-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/1724-14-0x0000000001470000-0x00000000014D6000-memory.dmp

Filesize
408KB

Download
memory/1724-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1724-3-0x0000000000220000-0x0000000000286000-memory.dmp

Filesize
408KB

Download
memory/1724-1-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2380-16-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2380-18-0x0000000000190000-0x00000000001F6000-memory.dmp

Filesize
408KB

Download
memory/2380-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2380-26-0x0000000001470000-0x00000000014CF000-memory.dmp

Filesize
380KB

Download
memory/2380-81-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2380-87-0x0000000005580000-0x00000000055BC000-memory.dmp

Filesize
240KB

Download
memory/2380-86-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

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