fafaeb1f3404913c76ceb3b8171d457f18d6285f8c1e639d4566ffbddc8670bc

General

Target

bd3eb2be43c9f77971825eaeab6a8393.exe
Size

771KB
MD5

bd3eb2be43c9f77971825eaeab6a8393
SHA1

0c3800cdff56257d175b7ca80d8ede63ae225cb5
SHA256

fafaeb1f3404913c76ceb3b8171d457f18d6285f8c1e639d4566ffbddc8670bc
SHA512

039d61ab0b85ab53a05ec22c5f86de51354dd30d4b5fbe7a8d0b06c3159315ae8634b6c33b05e5cfec10bf23da748c8dac383cbc8472d699deb4e464795446a3
SSDEEP

12288:DJUMxYM6p3lOm74qGllyPzJLniYZ/C9OFEIif0F6rerfrEhU8zFVMB:DKM5o3gAevytvZWqEIz6qrfiTMB

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1728	bd3eb2be43c9f77971825eaeab6a8393.exe

Executes dropped EXE 1 IoCs

pid	Process
1728	bd3eb2be43c9f77971825eaeab6a8393.exe

Loads dropped DLL 1 IoCs

pid	Process
2188	bd3eb2be43c9f77971825eaeab6a8393.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	bd3eb2be43c9f77971825eaeab6a8393.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	bd3eb2be43c9f77971825eaeab6a8393.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	bd3eb2be43c9f77971825eaeab6a8393.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2188	bd3eb2be43c9f77971825eaeab6a8393.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2188	bd3eb2be43c9f77971825eaeab6a8393.exe
1728	bd3eb2be43c9f77971825eaeab6a8393.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2188 wrote to memory of 1728	2188	bd3eb2be43c9f77971825eaeab6a8393.exe	28
PID 2188 wrote to memory of 1728	2188	bd3eb2be43c9f77971825eaeab6a8393.exe	28
PID 2188 wrote to memory of 1728	2188	bd3eb2be43c9f77971825eaeab6a8393.exe	28
PID 2188 wrote to memory of 1728	2188	bd3eb2be43c9f77971825eaeab6a8393.exe	28

C:\Users\Admin\AppData\Local\Temp\bd3eb2be43c9f77971825eaeab6a8393.exe
"C:\Users\Admin\AppData\Local\Temp\bd3eb2be43c9f77971825eaeab6a8393.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2188
- C:\Users\Admin\AppData\Local\Temp\bd3eb2be43c9f77971825eaeab6a8393.exe
  C:\Users\Admin\AppData\Local\Temp\bd3eb2be43c9f77971825eaeab6a8393.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:1728

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\Tar1AE7.tmp

Filesize
175KB

MD5
dd73cead4b93366cf3465c8cd32e2796

SHA1
74546226dfe9ceb8184651e920d1dbfb432b314e

SHA256
a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

SHA512
ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

Download Submit
\Users\Admin\AppData\Local\Temp\bd3eb2be43c9f77971825eaeab6a8393.exe

Filesize
771KB

MD5
66a29a4963b2a0243290a034b832767b

SHA1
3a4b92976d6bd16f3b7f6480c1ff8b013df30d4f

SHA256
1e33955678c7274e800a04910d511ff4d86d60e2c610704897def4dc58996837

SHA512
65dabfd3c8d230e33dd0fff23b89c97c12f29c6ece3f7e2637dd29bec97218c0116ab8cee6152f96e4dc1b1920a234732f20f7c5407ba37e898b07460cab195b

Download Submit
memory/1728-16-0x0000000000340000-0x00000000003A6000-memory.dmp

Filesize
408KB

Download
memory/1728-19-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1728-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1728-29-0x0000000001600000-0x000000000165F000-memory.dmp

Filesize
380KB

Download
memory/1728-81-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1728-84-0x0000000009630000-0x000000000966C000-memory.dmp

Filesize
240KB

Download
memory/1728-87-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2188-11-0x0000000002EA0000-0x0000000002F06000-memory.dmp

Filesize
408KB

Download
memory/2188-14-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2188-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2188-1-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2188-2-0x0000000000240000-0x00000000002A6000-memory.dmp

Filesize
408KB

Download

Analysis

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