1bdedc580ac63712795d9aa1930881d108fbcb83722b7fec38ac272127465413

General

Target

b919e21e579ed8301c1adf7c17e45e61.exe
Size

385KB
MD5

b919e21e579ed8301c1adf7c17e45e61
SHA1

20bfb03ef866c542e46e84a2e9bffbccb6f8c0e0
SHA256

1bdedc580ac63712795d9aa1930881d108fbcb83722b7fec38ac272127465413
SHA512

cf1dfdf5285f6093564895d4428bd07a61c80ba63d36bc1ab37d6f189cbd8f891ef496801e5246e860681f9ceb8c274472bb979be292cc8dee4c48a2295c4b33
SSDEEP

12288:ADOSLBL5wqdxJuIKEDwpSPnVwFn4ppICCB:qOSLBL5ww0fcPXp2B

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3016	b919e21e579ed8301c1adf7c17e45e61.exe

Executes dropped EXE 1 IoCs

pid	Process
3016	b919e21e579ed8301c1adf7c17e45e61.exe

Loads dropped DLL 1 IoCs

pid	Process
1540	b919e21e579ed8301c1adf7c17e45e61.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
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	b919e21e579ed8301c1adf7c17e45e61.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	b919e21e579ed8301c1adf7c17e45e61.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474	b919e21e579ed8301c1adf7c17e45e61.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1540	b919e21e579ed8301c1adf7c17e45e61.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1540	b919e21e579ed8301c1adf7c17e45e61.exe
3016	b919e21e579ed8301c1adf7c17e45e61.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1540 wrote to memory of 3016	1540	b919e21e579ed8301c1adf7c17e45e61.exe	28
PID 1540 wrote to memory of 3016	1540	b919e21e579ed8301c1adf7c17e45e61.exe	28
PID 1540 wrote to memory of 3016	1540	b919e21e579ed8301c1adf7c17e45e61.exe	28
PID 1540 wrote to memory of 3016	1540	b919e21e579ed8301c1adf7c17e45e61.exe	28

C:\Users\Admin\AppData\Local\Temp\b919e21e579ed8301c1adf7c17e45e61.exe
"C:\Users\Admin\AppData\Local\Temp\b919e21e579ed8301c1adf7c17e45e61.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1540
- C:\Users\Admin\AppData\Local\Temp\b919e21e579ed8301c1adf7c17e45e61.exe
  C:\Users\Admin\AppData\Local\Temp\b919e21e579ed8301c1adf7c17e45e61.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:3016

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\Tar6D2C.tmp

Filesize
175KB

MD5
dd73cead4b93366cf3465c8cd32e2796

SHA1
74546226dfe9ceb8184651e920d1dbfb432b314e

SHA256
a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

SHA512
ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

Download Submit
C:\Users\Admin\AppData\Local\Temp\b919e21e579ed8301c1adf7c17e45e61.exe

Filesize
385KB

MD5
8c0c1abdd495a4ca514978c49b363570

SHA1
1c14665919968eff1ea996bf8d2778aa260dd2da

SHA256
4d816c6828c963272ec0ddd4e483ba594fe7ecb1f321412b71f95c3d6fca0e16

SHA512
6f8a3de6114cf18e2fcc5cc2211a898985a1b581566f8fc1d6c68c40a99fb892104cc5c7a6bef5ba4691bf599ea1bfcde823f4ff0e2836dcde0363f7276244a1

Download Submit
memory/1540-1-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/1540-2-0x0000000000370000-0x00000000003D6000-memory.dmp

Filesize
408KB

Download
memory/1540-13-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/1540-15-0x0000000002E20000-0x0000000002E86000-memory.dmp

Filesize
408KB

Download
memory/1540-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/3016-18-0x0000000000190000-0x00000000001F6000-memory.dmp

Filesize
408KB

Download
memory/3016-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3016-24-0x0000000000380000-0x00000000003DF000-memory.dmp

Filesize
380KB

Download
memory/3016-16-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/3016-81-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/3016-84-0x000000000EA30000-0x000000000EA6C000-memory.dmp

Filesize
240KB

Download
memory/3016-87-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

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