46ff1a7ed798768ddf852e186f86132e049eda10ff7066844d4b900b0d62b5ed

General

Target

b83eda7cbee17364e42e5152b6cc0c58.exe
Size

385KB
MD5

b83eda7cbee17364e42e5152b6cc0c58
SHA1

a405d1a78f8c525b2fd7d09b841f2c1f1fb5fef1
SHA256

46ff1a7ed798768ddf852e186f86132e049eda10ff7066844d4b900b0d62b5ed
SHA512

951afcf09138bc653b615325feb3d8103cb79a83c2c092e9e0cef88e8e7bfcd1aa65f941d68190c2a859049d04220c94b18b170fc9fc23dae85cc0a6e560852a
SSDEEP

6144:/zhPi5v31VOKtttU31Dq145tR6RVDaL1RW1tcXrIB5CCPx624np+iftnwB:VPWv31Ptm1B96RpSRW7cXY5awimB

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1944	b83eda7cbee17364e42e5152b6cc0c58.exe

Executes dropped EXE 1 IoCs

pid	Process
1944	b83eda7cbee17364e42e5152b6cc0c58.exe

Loads dropped DLL 1 IoCs

pid	Process
1964	b83eda7cbee17364e42e5152b6cc0c58.exe

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

Web Service

T1102

flow	ioc
3	pastebin.com
5	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	b83eda7cbee17364e42e5152b6cc0c58.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	b83eda7cbee17364e42e5152b6cc0c58.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	b83eda7cbee17364e42e5152b6cc0c58.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1964	b83eda7cbee17364e42e5152b6cc0c58.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1964	b83eda7cbee17364e42e5152b6cc0c58.exe
1944	b83eda7cbee17364e42e5152b6cc0c58.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1964 wrote to memory of 1944	1964	b83eda7cbee17364e42e5152b6cc0c58.exe	28
PID 1964 wrote to memory of 1944	1964	b83eda7cbee17364e42e5152b6cc0c58.exe	28
PID 1964 wrote to memory of 1944	1964	b83eda7cbee17364e42e5152b6cc0c58.exe	28
PID 1964 wrote to memory of 1944	1964	b83eda7cbee17364e42e5152b6cc0c58.exe	28

C:\Users\Admin\AppData\Local\Temp\b83eda7cbee17364e42e5152b6cc0c58.exe
"C:\Users\Admin\AppData\Local\Temp\b83eda7cbee17364e42e5152b6cc0c58.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1964
- C:\Users\Admin\AppData\Local\Temp\b83eda7cbee17364e42e5152b6cc0c58.exe
  C:\Users\Admin\AppData\Local\Temp\b83eda7cbee17364e42e5152b6cc0c58.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:1944

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\Tar17AD.tmp

Filesize
175KB

MD5
dd73cead4b93366cf3465c8cd32e2796

SHA1
74546226dfe9ceb8184651e920d1dbfb432b314e

SHA256
a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

SHA512
ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

Download Submit
\Users\Admin\AppData\Local\Temp\b83eda7cbee17364e42e5152b6cc0c58.exe

Filesize
385KB

MD5
7d29f341cd2fb59b08f8d102ac235ce0

SHA1
5efdfb3c1c6b4dfcc972ee762e859936c8d1ae6d

SHA256
8bbc697abc28bb2c18a1855a46e602199545947b791623cc2630889f50cb957b

SHA512
16c470116389fc04c788b8063371505973b6d40dc76d7d977b3fd55bbce5ca8e365efe741860b318dbf7b6856160d1f2a3fba2015c145ce0f63c90f1e49d9323

Download Submit
memory/1944-17-0x0000000000240000-0x00000000002A6000-memory.dmp

Filesize
408KB

Download
memory/1944-20-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1944-24-0x0000000000330000-0x000000000038F000-memory.dmp

Filesize
380KB

Download
memory/1944-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1944-81-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1944-86-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1944-87-0x000000000FDE0000-0x000000000FE1C000-memory.dmp

Filesize
240KB

Download
memory/1964-12-0x0000000002DF0000-0x0000000002E56000-memory.dmp

Filesize
408KB

Download
memory/1964-14-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/1964-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1964-2-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/1964-1-0x0000000001470000-0x00000000014D6000-memory.dmp

Filesize
408KB

Download

Analysis

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