d7ae027e598bca15df8b302d0e804b0ae77c8caa96cafe6a0acd48f6fc78f5ba

General

Target

b63abacd4e2d5445b053abcd64a39ef9.exe
Size

385KB
MD5

b63abacd4e2d5445b053abcd64a39ef9
SHA1

a9e1ab864ea58838c1a14fb3474a1d77ee7f7ad5
SHA256

d7ae027e598bca15df8b302d0e804b0ae77c8caa96cafe6a0acd48f6fc78f5ba
SHA512

3916e44f8fa39e78061eb14159791eca1f72dd8d02a3491f78458bc3dd10fe375ce5dbdf121fab403d651c243f03a4369c2bffc95a6306638bb4b580edb603ec
SSDEEP

6144:0Z6keB9MpsaBQD6vC6dfXXuW+FZykmud5/tou+a8dou/aBp4uUZ3B:0eB9MQDoC6dfHoFZj1pESBah5B

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2900	b63abacd4e2d5445b053abcd64a39ef9.exe

Executes dropped EXE 1 IoCs

pid	Process
2900	b63abacd4e2d5445b053abcd64a39ef9.exe

Loads dropped DLL 1 IoCs

pid	Process
1976	b63abacd4e2d5445b053abcd64a39ef9.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	b63abacd4e2d5445b053abcd64a39ef9.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 0f0000000100000014000000ce0e658aa3e847e467a147b3049191093d055e6f0b0000000100000034000000420061006c00740069006d006f007200650020004300790062006500720054007200750073007400200052006f006f007400000053000000010000002400000030223020060a2b06010401b13e01640130123010060a2b0601040182373c0101030200c0140000000100000014000000e59d5930824758ccacfa085436867b3ab5044df01d0000000100000010000000918ad43a9475f78bb5243de886d8103c09000000010000000c000000300a06082b06010505070301030000000100000014000000d4de20d05e66fc53fe1a50882c78db2852cae47420000000010000007b030000308203773082025fa0030201020204020000b9300d06092a864886f70d0101050500305a310b300906035504061302494531123010060355040a130942616c74696d6f726531133011060355040b130a43796265725472757374312230200603550403131942616c74696d6f7265204379626572547275737420526f6f74301e170d3030303531323138343630305a170d3235303531323233353930305a305a310b300906035504061302494531123010060355040a130942616c74696d6f726531133011060355040b130a43796265725472757374312230200603550403131942616c74696d6f7265204379626572547275737420526f6f7430820122300d06092a864886f70d01010105000382010f003082010a0282010100a304bb22ab983d57e826729ab579d429e2e1e89580b1b0e35b8e2b299a64dfa15dedb009056ddb282ece62a262feb488da12eb38eb219dc0412b01527b8877d31c8fc7bab988b56a09e773e81140a7d1ccca628d2de58f0ba650d2a850c328eaf5ab25878a9a961ca967b83f0cd5f7f952132fc21bd57070f08fc012ca06cb9ae1d9ca337a77d6f8ecb9f16844424813d2c0c2a4ae5e60feb6a605fcb4dd075902d459189863f5a563e0900c7d5db2067af385eaebd403ae5e843e5fff15ed69bcf939367275cf77524df3c9902cb93de5c923533f1f2498215c079929bdc63aece76e863a6b97746333bd681831f0788d76bffc9e8e5d2a86a74d90dc271a390203010001a3453043301d0603551d0e04160414e59d5930824758ccacfa085436867b3ab5044df030120603551d130101ff040830060101ff020103300e0603551d0f0101ff040403020106300d06092a864886f70d01010505000382010100850c5d8ee46f51684205a0ddbb4f27258403bdf764fd2dd730e3a41017ebda2929b6793f76f6191323b8100af958a4d46170bd04616a128a17d50abdc5bc307cd6e90c258d86404feccca37e38c637114feddd68318e4cd2b30174eebe755e07481a7f70ff165c84c07985b805fd7fbe6511a30fc002b4f852373904d5a9317a18bfa02af41299f7a34582e33c5ef59d9eb5c89e7c2ec8a49e4e08144b6dfd706d6b1a63bd64e61fb7cef0f29f2ebb1bb7f250887392c2e2e3168d9a3202ab8e18dde91011ee7e35ab90af3e30947ad0333da7650ff5fc8e9e62cf47442c015dbb1db532d247d2382ed0fe81dc326a1eb5ee3cd5fce7811d19c32442ea6339a9	b63abacd4e2d5445b053abcd64a39ef9.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	b63abacd4e2d5445b053abcd64a39ef9.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1976	b63abacd4e2d5445b053abcd64a39ef9.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1976	b63abacd4e2d5445b053abcd64a39ef9.exe
2900	b63abacd4e2d5445b053abcd64a39ef9.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1976 wrote to memory of 2900	1976	b63abacd4e2d5445b053abcd64a39ef9.exe	28
PID 1976 wrote to memory of 2900	1976	b63abacd4e2d5445b053abcd64a39ef9.exe	28
PID 1976 wrote to memory of 2900	1976	b63abacd4e2d5445b053abcd64a39ef9.exe	28
PID 1976 wrote to memory of 2900	1976	b63abacd4e2d5445b053abcd64a39ef9.exe	28

C:\Users\Admin\AppData\Local\Temp\b63abacd4e2d5445b053abcd64a39ef9.exe
"C:\Users\Admin\AppData\Local\Temp\b63abacd4e2d5445b053abcd64a39ef9.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1976
- C:\Users\Admin\AppData\Local\Temp\b63abacd4e2d5445b053abcd64a39ef9.exe
  C:\Users\Admin\AppData\Local\Temp\b63abacd4e2d5445b053abcd64a39ef9.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system certificate store
  - Suspicious use of UnmapMainImage
  PID:2900

Network

DNS

pastebin.com

b63abacd4e2d5445b053abcd64a39ef9.exe

Remote address:

8.8.8.8:53

Request

pastebin.com

IN A

Response

pastebin.com

IN A

104.20.68.143

pastebin.com

IN A

172.67.34.170

pastebin.com

IN A

104.20.67.143
GET

https://pastebin.com/raw/ubFNTPjt

b63abacd4e2d5445b053abcd64a39ef9.exe

Remote address:

104.20.68.143:443

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: Wed, 06 Mar 2024 01:59:21 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: EXPIRED
Server: cloudflare
CF-RAY: 85febef7090163f5-LHR

104.20.68.143:443

https://pastebin.com/raw/ubFNTPjt

tls, http

b63abacd4e2d5445b053abcd64a39ef9.exe

1.4kB
4.8kB
14
11

HTTP Request

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

HTTP Response

404

8.8.8.8:53

pastebin.com

dns

b63abacd4e2d5445b053abcd64a39ef9.exe

58 B
106 B
1
1

DNS Request

pastebin.com

DNS Response

104.20.68.143

172.67.34.170

104.20.67.143

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\Tar8AF.tmp

Filesize
175KB

MD5
dd73cead4b93366cf3465c8cd32e2796

SHA1
74546226dfe9ceb8184651e920d1dbfb432b314e

SHA256
a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

SHA512
ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

Download Submit
\Users\Admin\AppData\Local\Temp\b63abacd4e2d5445b053abcd64a39ef9.exe

Filesize
385KB

MD5
05cb0d6e49fb820ac60d23f2c6c26049

SHA1
7f385b3aaf30f66e828a95e6bb374bbf8a4c2d17

SHA256
92888282b95498962218133a260b3270568c61e4ed57377a7b0233725f5f5038

SHA512
91e38c1e2195ce72e04a78c2213c4a01e13affc77ff4bd865eee692138504a04c0f26a5a5f37181aa7a596ed14163ccaadf25bef930498c6636f9b3b4ba84830

Download Submit
memory/1976-13-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/1976-14-0x0000000002EC0000-0x0000000002F26000-memory.dmp

Filesize
408KB

Download
memory/1976-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/1976-2-0x0000000000260000-0x00000000002C6000-memory.dmp

Filesize
408KB

Download
memory/1976-1-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2900-17-0x0000000000360000-0x00000000003C6000-memory.dmp

Filesize
408KB

Download
memory/2900-20-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2900-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2900-29-0x0000000002D10000-0x0000000002D6F000-memory.dmp

Filesize
380KB

Download
memory/2900-81-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2900-86-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2900-87-0x0000000009700000-0x000000000973C000-memory.dmp

Filesize
240KB

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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