14a99fb4a1b7c3a6cd79be4ad08fab95782402aec49003c8ee2edc78af08c2ad

General

Target

c9b5d4b875f8ff7181b85c81a8af8610.exe
Size

385KB
MD5

c9b5d4b875f8ff7181b85c81a8af8610
SHA1

a9b0936b634b812bf33159673123a37117d04ea2
SHA256

14a99fb4a1b7c3a6cd79be4ad08fab95782402aec49003c8ee2edc78af08c2ad
SHA512

caae8d96e583fa00754f67c26a0aee1908907afcc80cac0adbeb3137fcf654687da2851a267401bd27cdfa54441ccd41762d4c65764d47aa0486058abac4f173
SSDEEP

6144:vbloObaNGMtCoWsB7JZOKCxWjy4uMLW9C0aIkIjfhPtJ/NqB:TSDNGc+sLZOKwWzuMLW9vaIk6pPtBNqB

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2216	c9b5d4b875f8ff7181b85c81a8af8610.exe

Executes dropped EXE 1 IoCs

pid	Process
2216	c9b5d4b875f8ff7181b85c81a8af8610.exe

Loads dropped DLL 1 IoCs

pid	Process
2360	c9b5d4b875f8ff7181b85c81a8af8610.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	c9b5d4b875f8ff7181b85c81a8af8610.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	c9b5d4b875f8ff7181b85c81a8af8610.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	c9b5d4b875f8ff7181b85c81a8af8610.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2360	c9b5d4b875f8ff7181b85c81a8af8610.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2360	c9b5d4b875f8ff7181b85c81a8af8610.exe
2216	c9b5d4b875f8ff7181b85c81a8af8610.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2360 wrote to memory of 2216	2360	c9b5d4b875f8ff7181b85c81a8af8610.exe	28
PID 2360 wrote to memory of 2216	2360	c9b5d4b875f8ff7181b85c81a8af8610.exe	28
PID 2360 wrote to memory of 2216	2360	c9b5d4b875f8ff7181b85c81a8af8610.exe	28
PID 2360 wrote to memory of 2216	2360	c9b5d4b875f8ff7181b85c81a8af8610.exe	28

C:\Users\Admin\AppData\Local\Temp\c9b5d4b875f8ff7181b85c81a8af8610.exe
"C:\Users\Admin\AppData\Local\Temp\c9b5d4b875f8ff7181b85c81a8af8610.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2360
- C:\Users\Admin\AppData\Local\Temp\c9b5d4b875f8ff7181b85c81a8af8610.exe
  C:\Users\Admin\AppData\Local\Temp\c9b5d4b875f8ff7181b85c81a8af8610.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2216

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\Tar458D.tmp

Filesize
175KB

MD5
dd73cead4b93366cf3465c8cd32e2796

SHA1
74546226dfe9ceb8184651e920d1dbfb432b314e

SHA256
a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

SHA512
ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

Download Submit
\Users\Admin\AppData\Local\Temp\c9b5d4b875f8ff7181b85c81a8af8610.exe

Filesize
385KB

MD5
9e2d9f5fcaafdd6dc51099eb9dc26edd

SHA1
d45b84e9dfb3d22714f407c75edf984741592a75

SHA256
078b33ef74fe8d3453e5deaeaaa2ce2cf1239ec1479531bb92e989bdc70a05d8

SHA512
1a368256cbe6b6d82c07551ce4229227a59229cee209d9430f85d6db3370b325c1c5a344b0c4b2dc9df9883c5bac50f04e846dfc8ed6c10c61b1855cce32c9ea

Download Submit
memory/2216-16-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2216-19-0x0000000000190000-0x00000000001F6000-memory.dmp

Filesize
408KB

Download
memory/2216-22-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2216-28-0x00000000002F0000-0x000000000034F000-memory.dmp

Filesize
380KB

Download
memory/2216-81-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2216-86-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2216-87-0x0000000007570000-0x00000000075AC000-memory.dmp

Filesize
240KB

Download
memory/2360-1-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2360-14-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2360-2-0x0000000001470000-0x00000000014D6000-memory.dmp

Filesize
408KB

Download
memory/2360-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download

Analysis

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