6c45349d56e900ae3c3d993e89373422df323d177fd3e167b501aaad440e6a1e

General

Target

bd7fbe0fb9779fc37cb8db35af940ff7.exe
Size

385KB
MD5

bd7fbe0fb9779fc37cb8db35af940ff7
SHA1

e2561a8d659f1622c71e9186bcd69d8c0d08f730
SHA256

6c45349d56e900ae3c3d993e89373422df323d177fd3e167b501aaad440e6a1e
SHA512

f4632f97f3fffe45cdaec277a58d010352065a9752d4c41d5abfe518ed06cc32ecbd64f976dfc46d08e30bb39799ba71a25c0b1cd7d6b3061620c7c6bd77409c
SSDEEP

12288:vl1HqdgyguV2Nhvw6ANZN7B+MI+IKAubQB:vTHqdgyIvANH7si7jQB

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2892	bd7fbe0fb9779fc37cb8db35af940ff7.exe

Executes dropped EXE 1 IoCs

pid	Process
2892	bd7fbe0fb9779fc37cb8db35af940ff7.exe

Loads dropped DLL 1 IoCs

pid	Process
2040	bd7fbe0fb9779fc37cb8db35af940ff7.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	bd7fbe0fb9779fc37cb8db35af940ff7.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	bd7fbe0fb9779fc37cb8db35af940ff7.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	bd7fbe0fb9779fc37cb8db35af940ff7.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2040	bd7fbe0fb9779fc37cb8db35af940ff7.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2040	bd7fbe0fb9779fc37cb8db35af940ff7.exe
2892	bd7fbe0fb9779fc37cb8db35af940ff7.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2040 wrote to memory of 2892	2040	bd7fbe0fb9779fc37cb8db35af940ff7.exe	28
PID 2040 wrote to memory of 2892	2040	bd7fbe0fb9779fc37cb8db35af940ff7.exe	28
PID 2040 wrote to memory of 2892	2040	bd7fbe0fb9779fc37cb8db35af940ff7.exe	28
PID 2040 wrote to memory of 2892	2040	bd7fbe0fb9779fc37cb8db35af940ff7.exe	28

C:\Users\Admin\AppData\Local\Temp\bd7fbe0fb9779fc37cb8db35af940ff7.exe
"C:\Users\Admin\AppData\Local\Temp\bd7fbe0fb9779fc37cb8db35af940ff7.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2040
- C:\Users\Admin\AppData\Local\Temp\bd7fbe0fb9779fc37cb8db35af940ff7.exe
  C:\Users\Admin\AppData\Local\Temp\bd7fbe0fb9779fc37cb8db35af940ff7.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2892

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\Tar42C2.tmp

Filesize
175KB

MD5
dd73cead4b93366cf3465c8cd32e2796

SHA1
74546226dfe9ceb8184651e920d1dbfb432b314e

SHA256
a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

SHA512
ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

Download Submit
C:\Users\Admin\AppData\Local\Temp\bd7fbe0fb9779fc37cb8db35af940ff7.exe

Filesize
385KB

MD5
6bdcf18de1729346dfa306f3e59d067a

SHA1
a60ffc86f1b5ad4875e3803a05cd4ca76d4e72bc

SHA256
4a302929fee2e7c544634c1c7f75b0563fd34ac5d99f26493931fb16f9ba5c07

SHA512
16b63756cc153982bc874c63655fea6939bf22ba9f1b37dfb6babd5c820baff36df3ceb4e6ed17bf4723a6d7e806d7b8e699fdff6d55c0a48a32a01928b2e8ab

Download Submit
memory/2040-14-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2040-12-0x0000000001470000-0x00000000014D6000-memory.dmp

Filesize
408KB

Download
memory/2040-2-0x0000000000210000-0x0000000000276000-memory.dmp

Filesize
408KB

Download
memory/2040-1-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2040-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2892-81-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2892-86-0x000000000A640000-0x000000000A67C000-memory.dmp

Filesize
240KB

Download
memory/2892-26-0x0000000001470000-0x00000000014CF000-memory.dmp

Filesize
380KB

Download
memory/2892-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2892-18-0x0000000000260000-0x00000000002C6000-memory.dmp

Filesize
408KB

Download
memory/2892-16-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2892-87-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

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