02ca4e9be871b6bd21136efc96809374a2dbf7422072d8ec5c477b9cb7c3661a

General

Target

c05f92828f414facf0b44887e1eef05d.exe
Size

771KB
MD5

c05f92828f414facf0b44887e1eef05d
SHA1

e1dda6ca6919bf862731146fe74a05abaefb78e9
SHA256

02ca4e9be871b6bd21136efc96809374a2dbf7422072d8ec5c477b9cb7c3661a
SHA512

d346a5afc8dda45a18236f5d8d8fa1fc0673070a9d672cdac142b53c3c70c8c92acfb91c05d819caa0bc06c86b71d0be8ab702d4ce6a6a8012e8e3f88fb084f5
SSDEEP

24576:FeBLDQQD2VXSRjUCrsb10hJaothZ2/T6FBBB:y/ICrG/ofT

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2660	c05f92828f414facf0b44887e1eef05d.exe

Executes dropped EXE 1 IoCs

pid	Process
2660	c05f92828f414facf0b44887e1eef05d.exe

Loads dropped DLL 1 IoCs

pid	Process
2212	c05f92828f414facf0b44887e1eef05d.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
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474	c05f92828f414facf0b44887e1eef05d.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	c05f92828f414facf0b44887e1eef05d.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	c05f92828f414facf0b44887e1eef05d.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2212	c05f92828f414facf0b44887e1eef05d.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2212	c05f92828f414facf0b44887e1eef05d.exe
2660	c05f92828f414facf0b44887e1eef05d.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2212 wrote to memory of 2660	2212	c05f92828f414facf0b44887e1eef05d.exe	28
PID 2212 wrote to memory of 2660	2212	c05f92828f414facf0b44887e1eef05d.exe	28
PID 2212 wrote to memory of 2660	2212	c05f92828f414facf0b44887e1eef05d.exe	28
PID 2212 wrote to memory of 2660	2212	c05f92828f414facf0b44887e1eef05d.exe	28

C:\Users\Admin\AppData\Local\Temp\c05f92828f414facf0b44887e1eef05d.exe
"C:\Users\Admin\AppData\Local\Temp\c05f92828f414facf0b44887e1eef05d.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2212
- C:\Users\Admin\AppData\Local\Temp\c05f92828f414facf0b44887e1eef05d.exe
  C:\Users\Admin\AppData\Local\Temp\c05f92828f414facf0b44887e1eef05d.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2660

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\Tar27D1.tmp

Filesize
175KB

MD5
dd73cead4b93366cf3465c8cd32e2796

SHA1
74546226dfe9ceb8184651e920d1dbfb432b314e

SHA256
a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

SHA512
ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

Download Submit
\Users\Admin\AppData\Local\Temp\c05f92828f414facf0b44887e1eef05d.exe

Filesize
771KB

MD5
d2348799a3582ae2319a2307c0a07c41

SHA1
318dae3bf536dd390dffddfe97fcc5471f05fa0d

SHA256
fe88fad1ecd60bad8e0a6e8938378ba9cd7d96d2e5447e51350626e5bd18ed9c

SHA512
f871beaa8090cea9babdf9b9b76cb12e552d9e5d09d74b76727a456700a98be645abda940c4cff2aee7ba4d6359d386fd0433c2235754afa90fca04a091569a6

Download Submit
memory/2212-2-0x0000000001470000-0x00000000014D6000-memory.dmp

Filesize
408KB

Download
memory/2212-1-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2212-12-0x0000000002C60000-0x0000000002CC6000-memory.dmp

Filesize
408KB

Download
memory/2212-14-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2212-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2660-17-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2660-26-0x0000000001470000-0x00000000014CF000-memory.dmp

Filesize
380KB

Download
memory/2660-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2660-20-0x0000000000230000-0x0000000000296000-memory.dmp

Filesize
408KB

Download
memory/2660-82-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2660-87-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2660-88-0x00000000075A0000-0x00000000075DC000-memory.dmp

Filesize
240KB

Download

Analysis

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