8dd1b433d3b16f0b4a9dfed942eb8535d6e72b0c8da449e00741ad6a0ee3f63f

General

Target

c3525ed1e3bab0fe57ec43cd96e5b404.exe
Size

385KB
MD5

c3525ed1e3bab0fe57ec43cd96e5b404
SHA1

8e8e0b2a8223085cfda348be64624e7d9a34629a
SHA256

8dd1b433d3b16f0b4a9dfed942eb8535d6e72b0c8da449e00741ad6a0ee3f63f
SHA512

0afbc40983dc1912263996b48abbbdcf0d6824f991632f36e15678def0bec2580dddfffa1137274a467116266db3494bac6719dc302b4dd18138a0473cc64d23
SSDEEP

6144:Mmp1OVo5W7K5fCxewOn2BhAD3JE8viMMWYzlGRv4Txo1n4/M1eVp5Z+906WMIzJn:M6x5Qg8NBBhA7J5eZI484U1eVp5i8B

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2248	c3525ed1e3bab0fe57ec43cd96e5b404.exe

Executes dropped EXE 1 IoCs

pid	Process
2248	c3525ed1e3bab0fe57ec43cd96e5b404.exe

Loads dropped DLL 1 IoCs

pid	Process
2472	c3525ed1e3bab0fe57ec43cd96e5b404.exe

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

Web Service

T1102

flow	ioc
4	pastebin.com
3	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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	c3525ed1e3bab0fe57ec43cd96e5b404.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474	c3525ed1e3bab0fe57ec43cd96e5b404.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	c3525ed1e3bab0fe57ec43cd96e5b404.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2472	c3525ed1e3bab0fe57ec43cd96e5b404.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2472	c3525ed1e3bab0fe57ec43cd96e5b404.exe
2248	c3525ed1e3bab0fe57ec43cd96e5b404.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2472 wrote to memory of 2248	2472	c3525ed1e3bab0fe57ec43cd96e5b404.exe	28
PID 2472 wrote to memory of 2248	2472	c3525ed1e3bab0fe57ec43cd96e5b404.exe	28
PID 2472 wrote to memory of 2248	2472	c3525ed1e3bab0fe57ec43cd96e5b404.exe	28
PID 2472 wrote to memory of 2248	2472	c3525ed1e3bab0fe57ec43cd96e5b404.exe	28

C:\Users\Admin\AppData\Local\Temp\c3525ed1e3bab0fe57ec43cd96e5b404.exe
"C:\Users\Admin\AppData\Local\Temp\c3525ed1e3bab0fe57ec43cd96e5b404.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2472
- C:\Users\Admin\AppData\Local\Temp\c3525ed1e3bab0fe57ec43cd96e5b404.exe
  C:\Users\Admin\AppData\Local\Temp\c3525ed1e3bab0fe57ec43cd96e5b404.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2248

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\Tar856C.tmp

Filesize
175KB

MD5
dd73cead4b93366cf3465c8cd32e2796

SHA1
74546226dfe9ceb8184651e920d1dbfb432b314e

SHA256
a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

SHA512
ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

Download Submit
\Users\Admin\AppData\Local\Temp\c3525ed1e3bab0fe57ec43cd96e5b404.exe

Filesize
385KB

MD5
ff22d3ce12a8a42888ebad01204b1acf

SHA1
3f98ea00a79a466712b1c094c07605dc82cd1273

SHA256
acc1dd09b1038ca6ac7a673e2c37dc2a475d8b0656bf698c4810d5a4f1ff25b9

SHA512
527f9e7bad0a745b550937439d554b1553ff0a2096840fab675a83281f9e2ec7f0176cd6f527b1e9d8e43e36a1d7ca64c5673c5e29b8536e314fca9d8bafc6ea

Download Submit
memory/2248-16-0x0000000000340000-0x00000000003A6000-memory.dmp

Filesize
408KB

Download
memory/2248-15-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2248-23-0x0000000001470000-0x00000000014CF000-memory.dmp

Filesize
380KB

Download
memory/2248-22-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2248-80-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2248-83-0x000000000EA60000-0x000000000EA9C000-memory.dmp

Filesize
240KB

Download
memory/2248-86-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2472-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2472-13-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2472-1-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2472-2-0x0000000000350000-0x00000000003B6000-memory.dmp

Filesize
408KB

Download

Analysis

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