45001469f7f6ae681eb6627f55f85d8bc61246f8320df8600b884fe2f3e41be6

General

Target

d5cdbd89ff6d1620095878aa8f2628ef.exe
Size

385KB
MD5

d5cdbd89ff6d1620095878aa8f2628ef
SHA1

5872ec422909b9a4f3e9d8ba953e37cf1faf2322
SHA256

45001469f7f6ae681eb6627f55f85d8bc61246f8320df8600b884fe2f3e41be6
SHA512

fa6c5675260b0aab993bbadcba588e6e1fb55734a0ea20ecf429897483a9a985789821060a093eda7cc95c80dc4a77717e0fd396656a02dc727d6ee7cb21d6f4
SSDEEP

6144:kuwMBCCOIgY1zlPFEZy9TpAjXNW/ubVGE1Oz7BO8cd3Mi3lPyB:kucYh3EGVAUUVGLz1cd3Mi3oB

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2700	d5cdbd89ff6d1620095878aa8f2628ef.exe

Executes dropped EXE 1 IoCs

pid	Process
2700	d5cdbd89ff6d1620095878aa8f2628ef.exe

Loads dropped DLL 1 IoCs

pid	Process
2112	d5cdbd89ff6d1620095878aa8f2628ef.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	d5cdbd89ff6d1620095878aa8f2628ef.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	d5cdbd89ff6d1620095878aa8f2628ef.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	d5cdbd89ff6d1620095878aa8f2628ef.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2112	d5cdbd89ff6d1620095878aa8f2628ef.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2112	d5cdbd89ff6d1620095878aa8f2628ef.exe
2700	d5cdbd89ff6d1620095878aa8f2628ef.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2112 wrote to memory of 2700	2112	d5cdbd89ff6d1620095878aa8f2628ef.exe	28
PID 2112 wrote to memory of 2700	2112	d5cdbd89ff6d1620095878aa8f2628ef.exe	28
PID 2112 wrote to memory of 2700	2112	d5cdbd89ff6d1620095878aa8f2628ef.exe	28
PID 2112 wrote to memory of 2700	2112	d5cdbd89ff6d1620095878aa8f2628ef.exe	28

C:\Users\Admin\AppData\Local\Temp\d5cdbd89ff6d1620095878aa8f2628ef.exe
"C:\Users\Admin\AppData\Local\Temp\d5cdbd89ff6d1620095878aa8f2628ef.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2112
- C:\Users\Admin\AppData\Local\Temp\d5cdbd89ff6d1620095878aa8f2628ef.exe
  C:\Users\Admin\AppData\Local\Temp\d5cdbd89ff6d1620095878aa8f2628ef.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2700

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\Tar5087.tmp

Filesize
175KB

MD5
dd73cead4b93366cf3465c8cd32e2796

SHA1
74546226dfe9ceb8184651e920d1dbfb432b314e

SHA256
a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

SHA512
ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

Download Submit
\Users\Admin\AppData\Local\Temp\d5cdbd89ff6d1620095878aa8f2628ef.exe

Filesize
385KB

MD5
67995fba98e3edc0961816de23a6ddcc

SHA1
9b0549ec947107f79f948eff70eb5aac99aff9f3

SHA256
172d65ac186b87127c28436912fea70581454ebc007e0e0dae29da87b7654d69

SHA512
f968015781cba76c4cebeaed2c3aa53ca6892f744c481051fd04c8ab93dae1b6d095023616ce53dd37973f78eed43cc67c18a858fcaf1d0452684a24488bbec4

Download Submit
memory/2112-1-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2112-2-0x0000000000190000-0x00000000001F6000-memory.dmp

Filesize
408KB

Download
memory/2112-12-0x0000000000350000-0x00000000003B6000-memory.dmp

Filesize
408KB

Download
memory/2112-14-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2112-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2700-16-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2700-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2700-24-0x0000000002D10000-0x0000000002D6F000-memory.dmp

Filesize
380KB

Download
memory/2700-18-0x0000000000190000-0x00000000001F6000-memory.dmp

Filesize
408KB

Download
memory/2700-81-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2700-86-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2700-87-0x000000000EA80000-0x000000000EABC000-memory.dmp

Filesize
240KB

Download

Analysis

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