joker | 14dd72dbb346aed2705902164c8cef34ff620ecbb410502d198884a9ee5186dd

Analysis

max time kernel
145s
max time network
160s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
21-10-2022 08:16

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General

Target

14dd72dbb346aed2705902164c8cef34ff620ecbb410502d198884a9ee5186dd.exe
Size

60KB
MD5

514dc8978d67cc59de775b8b583325f1
SHA1

499d3a758088f86a6aeccece4977d7fc4be1dc06
SHA256

14dd72dbb346aed2705902164c8cef34ff620ecbb410502d198884a9ee5186dd
SHA512

0b5a71b6d523ac623383293043843dfed7b944e055df914556f0c9d26a9bf96dbc1f4b300cf728a1250f6c563cc887cf58b22356dc28b75dd9c0c1d0ebfd2d81
SSDEEP

1536:TkMbdmNYJZ1YUQ4BcDQX2oooD+AyxArAIVJ9B:TkAdmNYJZ1YUQ46QXMmAIr

Score

10^/10

joker infostealer trojan

Malware Config

Signatures

joker
Joker is an Android malware that targets billing and SMS fraud.
infostealer trojan joker

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1936	1952	WerFault.exe	13

Modifies Internet Explorer settings 1 TTPs 36 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\InternetRegistry	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\PageSetup	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DOMStorage	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Toolbar	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DOMStorage\www.ma80.com\ = "63"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\LowRegistry	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DOMStorage\ma80.com\Total = "63"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DOMStorage\ma80.com	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000000000001000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DOMStorage\Total\ = "63"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DOMStorage\www.ma80.com	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\IntelliForms	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Zoom	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{B999DA91-5179-11ED-808D-42A98B637845} = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DOMStorage\ma80.com\NumberOfSubdomains = "1"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DOMStorage\Total	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "373146878"	IEXPLORE.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
668	IEXPLORE.EXE

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
1952	14dd72dbb346aed2705902164c8cef34ff620ecbb410502d198884a9ee5186dd.exe
1952	14dd72dbb346aed2705902164c8cef34ff620ecbb410502d198884a9ee5186dd.exe
668	IEXPLORE.EXE
668	IEXPLORE.EXE
1048	IEXPLORE.EXE
1048	IEXPLORE.EXE
1048	IEXPLORE.EXE
1048	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1952 wrote to memory of 668	1952	14dd72dbb346aed2705902164c8cef34ff620ecbb410502d198884a9ee5186dd.exe	28
PID 1952 wrote to memory of 668	1952	14dd72dbb346aed2705902164c8cef34ff620ecbb410502d198884a9ee5186dd.exe	28
PID 1952 wrote to memory of 668	1952	14dd72dbb346aed2705902164c8cef34ff620ecbb410502d198884a9ee5186dd.exe	28
PID 1952 wrote to memory of 668	1952	14dd72dbb346aed2705902164c8cef34ff620ecbb410502d198884a9ee5186dd.exe	28
PID 668 wrote to memory of 1048	668	IEXPLORE.EXE	30
PID 668 wrote to memory of 1048	668	IEXPLORE.EXE	30
PID 668 wrote to memory of 1048	668	IEXPLORE.EXE	30
PID 668 wrote to memory of 1048	668	IEXPLORE.EXE	30
PID 1952 wrote to memory of 1936	1952	14dd72dbb346aed2705902164c8cef34ff620ecbb410502d198884a9ee5186dd.exe	33
PID 1952 wrote to memory of 1936	1952	14dd72dbb346aed2705902164c8cef34ff620ecbb410502d198884a9ee5186dd.exe	33
PID 1952 wrote to memory of 1936	1952	14dd72dbb346aed2705902164c8cef34ff620ecbb410502d198884a9ee5186dd.exe	33
PID 1952 wrote to memory of 1936	1952	14dd72dbb346aed2705902164c8cef34ff620ecbb410502d198884a9ee5186dd.exe	33

C:\Users\Admin\AppData\Local\Temp\14dd72dbb346aed2705902164c8cef34ff620ecbb410502d198884a9ee5186dd.exe
"C:\Users\Admin\AppData\Local\Temp\14dd72dbb346aed2705902164c8cef34ff620ecbb410502d198884a9ee5186dd.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1952
- C:\Program Files\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files\Internet Explorer\IEXPLORE.EXE" http://www.ma80.com/?2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:668
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:668 CREDAT:275457 /prefetch:2
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:1048
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1952 -s 820
  2⤵
  - Program crash
  PID:1936

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

Filesize
60KB

MD5
d15aaa7c9be910a9898260767e2490e1

SHA1
2090c53f8d9fc3fbdbafd3a1e4dc25520eb74388

SHA256
f8ebaaf487cba0c81a17c8cd680bdd2dd8e90d2114ecc54844cffc0cc647848e

SHA512
7e1c1a683914b961b5cc2fe5e4ae288b60bab43bfaa21ce4972772aa0589615c19f57e672e1d93e50a7ed7b76fbd2f1b421089dcaed277120b93f8e91b18af94

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F0ACCF77CDCBFF39F6191887F6D2D357

Filesize
1KB

MD5
a266bb7dcc38a562631361bbf61dd11b

SHA1
3b1efd3a66ea28b16697394703a72ca340a05bd5

SHA256
df545bf919a2439c36983b54cdfc903dfa4f37d3996d8d84b4c31eec6f3c163e

SHA512
0da8ef4f8f6ed3d16d2bc8eb816b9e6e1345dfe2d91160196c47e6149a1d6aedaafadcefd66acdea7f72dcf0832770192ceac15b0c559c4ccc2c0e5581d5aefc

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
3f3dfd10724738ee053f30d568b43966

SHA1
508359ca363be2c396eeff385d8caf124ea67438

SHA256
0b791fc385deb64fd781eedd0c905551ea086ed91cc9981b80ac15d77416bfe0

SHA512
4651ce3949bfeeb86c64b3b965adeeac03e350a0676c17e4a248d7c10994a7a335fe50eec1e2ab87c33ec3630aec2455e6240196977d8656b25c6b617f3e8bd0

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
7b2cee5d737aac643acfe0c0b380cc00

SHA1
810982652803de1d9a4066b6e7dbe625923092fb

SHA256
ce69a5b64a34cea97f226cdbb35c1be54b2071de74fc63a011baa16ca3a43f7f

SHA512
84b11fd347eef2d89898edb9cec3c01204ad0e70ba3e969b23fd0cb2ac9bc0fc82c569f57c65f99a19b8d89aa4ad23af3f04a739ad6d5aa984785ae1b0b67f17

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357

Filesize
242B

MD5
9b1fd5dbbaa617408f67a5db1f8e5ba3

SHA1
1257f698256cdc9528a827aa35d36a1fd88f6057

SHA256
2b9502ce993aad693f8b126ff11f2854cd6461ff0af79695f94d4c81dffbc01a

SHA512
5d64c4cc5b82bcea0b84aa24d2e52c55cfb3e160998793c384b0b6046a3f9a622cb00f88de1f79879c7b09ef82dc2c4e977d064dd94e75a71314e54aef5741bb

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\ERNB9S3Y.txt

Filesize
608B

MD5
d30a6f2382a449d4aede356879933e9f

SHA1
8de2c7311156bb32433561954cd402052ddcf75e

SHA256
6fed4fce4dc518647beb06de9f2c7c334c5449c1dc239651ccbee01ffdc66d27

SHA512
7f75c2723ad87e310fc104578d64fc1befca8be07efca9e8b751d4430ea3eab4b1f805a2b6d7f7663c5de1ac5fba26186f24ea45dcefa5fa73fab93df7d58ca9

Download Submit
memory/1952-54-0x0000000075981000-0x0000000075983000-memory.dmp

Filesize
8KB

Download