0efe7336e61c0e3fef4f3ec8987700b87444891809a23d714a7f17bf4496ed3f

General

Target

c863e36cb0270c9cec1fea46ae6fe0bc.exe
Size

385KB
MD5

c863e36cb0270c9cec1fea46ae6fe0bc
SHA1

7f080700719a8bf56b250875c8153fdec9559d70
SHA256

0efe7336e61c0e3fef4f3ec8987700b87444891809a23d714a7f17bf4496ed3f
SHA512

20ef6e28519f55112c64457f1d119a3ce0d1e7ad4a72532d30c4625f6ef58f7ade26594e7d71de4d2f7dd2a1211f2a8c747fdf27d674829fa21c30340259a4bd
SSDEEP

12288:z3eGjWPefe67m2Fx7YtVDUjYml1Kwrc+FHn9rJB:z39Kefe67Fx74wUmltrZ9tB

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2544	c863e36cb0270c9cec1fea46ae6fe0bc.exe

Executes dropped EXE 1 IoCs

pid	Process
2544	c863e36cb0270c9cec1fea46ae6fe0bc.exe

Loads dropped DLL 1 IoCs

pid	Process
2972	c863e36cb0270c9cec1fea46ae6fe0bc.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	c863e36cb0270c9cec1fea46ae6fe0bc.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	c863e36cb0270c9cec1fea46ae6fe0bc.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	c863e36cb0270c9cec1fea46ae6fe0bc.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2972	c863e36cb0270c9cec1fea46ae6fe0bc.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2972	c863e36cb0270c9cec1fea46ae6fe0bc.exe
2544	c863e36cb0270c9cec1fea46ae6fe0bc.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2972 wrote to memory of 2544	2972	c863e36cb0270c9cec1fea46ae6fe0bc.exe	28
PID 2972 wrote to memory of 2544	2972	c863e36cb0270c9cec1fea46ae6fe0bc.exe	28
PID 2972 wrote to memory of 2544	2972	c863e36cb0270c9cec1fea46ae6fe0bc.exe	28
PID 2972 wrote to memory of 2544	2972	c863e36cb0270c9cec1fea46ae6fe0bc.exe	28

C:\Users\Admin\AppData\Local\Temp\c863e36cb0270c9cec1fea46ae6fe0bc.exe
"C:\Users\Admin\AppData\Local\Temp\c863e36cb0270c9cec1fea46ae6fe0bc.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2972
- C:\Users\Admin\AppData\Local\Temp\c863e36cb0270c9cec1fea46ae6fe0bc.exe
  C:\Users\Admin\AppData\Local\Temp\c863e36cb0270c9cec1fea46ae6fe0bc.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2544

Network

DNS

pastebin.com

c863e36cb0270c9cec1fea46ae6fe0bc.exe

Remote address:

8.8.8.8:53

Request

pastebin.com

IN A

Response

pastebin.com

IN A

104.20.67.143

pastebin.com

IN A

172.67.34.170

pastebin.com

IN A

104.20.68.143
GET

https://pastebin.com/raw/ubFNTPjt

c863e36cb0270c9cec1fea46ae6fe0bc.exe

Remote address:

104.20.67.143:443

Request

GET /raw/ubFNTPjt HTTP/1.1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:59.0) Gecko/20100101 Firefox/59.0
Host: pastebin.com
Cache-Control: no-cache

Response

HTTP/1.1 404 Not Found

Date: Thu, 14 Mar 2024 10:27:42 GMT
Content-Type: text/html; charset=UTF-8
Transfer-Encoding: chunked
Connection: keep-alive
x-frame-options: DENY
x-frame-options: DENY
x-content-type-options: nosniff
x-content-type-options: nosniff
x-xss-protection: 1;mode=block
x-xss-protection: 1;mode=block
cache-control: public, max-age=1801
CF-Cache-Status: HIT
Age: 1181
Server: cloudflare
CF-RAY: 8643929eaf034888-LHR

104.20.67.143:443

https://pastebin.com/raw/ubFNTPjt

tls, http

c863e36cb0270c9cec1fea46ae6fe0bc.exe

1.3kB
4.8kB
12
11

HTTP Request

GET https://pastebin.com/raw/ubFNTPjt

HTTP Response

404

8.8.8.8:53

pastebin.com

dns

c863e36cb0270c9cec1fea46ae6fe0bc.exe

58 B
106 B
1
1

DNS Request

pastebin.com

DNS Response

104.20.67.143

172.67.34.170

104.20.68.143

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\Tar1C3F.tmp

Filesize
175KB

MD5
dd73cead4b93366cf3465c8cd32e2796

SHA1
74546226dfe9ceb8184651e920d1dbfb432b314e

SHA256
a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

SHA512
ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

Download Submit
\Users\Admin\AppData\Local\Temp\c863e36cb0270c9cec1fea46ae6fe0bc.exe

Filesize
385KB

MD5
c1571383d14dc39e227f877b3e00b2f3

SHA1
57255fbe850a1accab4296bffb74d44d647aa641

SHA256
1ea112072b9aa7b9e0d17e0a7425532cadeb9935bfbe4d84e7dfc6de804a863e

SHA512
3188068402b2db76b28c07bb38313c5cb22a31af2655fbea7c811374b90461a270574831827caea20979cf96661e926fdb54ba850980d904f3417f5220448ccc

Download Submit
memory/2544-29-0x0000000001470000-0x00000000014CF000-memory.dmp

Filesize
380KB

Download
memory/2544-17-0x0000000000370000-0x00000000003D6000-memory.dmp

Filesize
408KB

Download
memory/2544-19-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2544-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2544-81-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2544-86-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2544-87-0x000000000FD80000-0x000000000FDBC000-memory.dmp

Filesize
240KB

Download
memory/2972-14-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2972-12-0x0000000001470000-0x00000000014D6000-memory.dmp

Filesize
408KB

Download
memory/2972-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2972-1-0x0000000000360000-0x00000000003C6000-memory.dmp

Filesize
408KB

Download
memory/2972-2-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

HTTP Request

HTTP Response

DNS Request

DNS Response

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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