joker | 249ee777601bd3b609bc00d0f1dc6ff50e0d7c17cfd24d580dc650bc9b1a73c3

Analysis

max time kernel
148s
max time network
155s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
14/10/2022, 09:12

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General

Target

249ee777601bd3b609bc00d0f1dc6ff50e0d7c17cfd24d580dc650bc9b1a73c3.exe
Size

45KB
MD5

696d9a02e0d1000de2852f753c1644ad
SHA1

1ff9a64bf8c876b1d2029464f33eda72a59cb26e
SHA256

249ee777601bd3b609bc00d0f1dc6ff50e0d7c17cfd24d580dc650bc9b1a73c3
SHA512

8aded539891fe80d264dc3e478a548deffd63ac873034a80038863b1ae2949cfad13321025db5ca48fc53254e32bb5d724fdb3ccbb536d48b0ed34b32fa6ea1f
SSDEEP

768:Q6MDEOgk6guQrhO23k7/9sppE0iKFz89519yFSUKhJJ16c5QFeJ0WZOY0Ag+ae71:gExDPQ9l3ky88x8vTJJ16mQ60WZOY0AP

Score

10^/10

joker evasion infostealer trojan

Malware Config

Signatures

Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	249ee777601bd3b609bc00d0f1dc6ff50e0d7c17cfd24d580dc650bc9b1a73c3.exe

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

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\taoY.ico	249ee777601bd3b609bc00d0f1dc6ff50e0d7c17cfd24d580dc650bc9b1a73c3.exe
File created	C:\Windows\SysWOW64\pop2.vbs	249ee777601bd3b609bc00d0f1dc6ff50e0d7c17cfd24d580dc650bc9b1a73c3.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\StormII\StormLib.nqm	249ee777601bd3b609bc00d0f1dc6ff50e0d7c17cfd24d580dc650bc9b1a73c3.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 36 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DOMStorage\95081.net	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DOMStorage\95081.net\NumberOfSubdomains = "1"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{5AAA6D71-4BF6-11ED-BD9E-FAB5137186BE} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DOMStorage\www.95081.net	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DOMStorage\Total\ = "126"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DOMStorage\Total	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DOMStorage	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DOMStorage\www.95081.net\ = "126"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DOMStorage\www.95081.net\ = "63"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DOMStorage\95081.net\Total = "63"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DOMStorage\Total\ = "63"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DOMStorage\95081.net\Total = "126"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "371937595"	iexplore.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.nqm	249ee777601bd3b609bc00d0f1dc6ff50e0d7c17cfd24d580dc650bc9b1a73c3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.nqm\ = "JSEFile"	249ee777601bd3b609bc00d0f1dc6ff50e0d7c17cfd24d580dc650bc9b1a73c3.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
324	IEXPLORE.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1212	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1212	iexplore.exe
1212	iexplore.exe
324	IEXPLORE.EXE
324	IEXPLORE.EXE
324	IEXPLORE.EXE
324	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 1140 wrote to memory of 1620	1140	249ee777601bd3b609bc00d0f1dc6ff50e0d7c17cfd24d580dc650bc9b1a73c3.exe	27
PID 1140 wrote to memory of 1620	1140	249ee777601bd3b609bc00d0f1dc6ff50e0d7c17cfd24d580dc650bc9b1a73c3.exe	27
PID 1140 wrote to memory of 1620	1140	249ee777601bd3b609bc00d0f1dc6ff50e0d7c17cfd24d580dc650bc9b1a73c3.exe	27
PID 1140 wrote to memory of 1620	1140	249ee777601bd3b609bc00d0f1dc6ff50e0d7c17cfd24d580dc650bc9b1a73c3.exe	27
PID 1140 wrote to memory of 1620	1140	249ee777601bd3b609bc00d0f1dc6ff50e0d7c17cfd24d580dc650bc9b1a73c3.exe	27
PID 1140 wrote to memory of 1620	1140	249ee777601bd3b609bc00d0f1dc6ff50e0d7c17cfd24d580dc650bc9b1a73c3.exe	27
PID 1140 wrote to memory of 1620	1140	249ee777601bd3b609bc00d0f1dc6ff50e0d7c17cfd24d580dc650bc9b1a73c3.exe	27
PID 1140 wrote to memory of 2044	1140	249ee777601bd3b609bc00d0f1dc6ff50e0d7c17cfd24d580dc650bc9b1a73c3.exe	28
PID 1140 wrote to memory of 2044	1140	249ee777601bd3b609bc00d0f1dc6ff50e0d7c17cfd24d580dc650bc9b1a73c3.exe	28
PID 1140 wrote to memory of 2044	1140	249ee777601bd3b609bc00d0f1dc6ff50e0d7c17cfd24d580dc650bc9b1a73c3.exe	28
PID 1140 wrote to memory of 2044	1140	249ee777601bd3b609bc00d0f1dc6ff50e0d7c17cfd24d580dc650bc9b1a73c3.exe	28
PID 1140 wrote to memory of 2044	1140	249ee777601bd3b609bc00d0f1dc6ff50e0d7c17cfd24d580dc650bc9b1a73c3.exe	28
PID 1140 wrote to memory of 2044	1140	249ee777601bd3b609bc00d0f1dc6ff50e0d7c17cfd24d580dc650bc9b1a73c3.exe	28
PID 1140 wrote to memory of 2044	1140	249ee777601bd3b609bc00d0f1dc6ff50e0d7c17cfd24d580dc650bc9b1a73c3.exe	28
PID 2044 wrote to memory of 1212	2044	wscrIpt.exe	29
PID 2044 wrote to memory of 1212	2044	wscrIpt.exe	29
PID 2044 wrote to memory of 1212	2044	wscrIpt.exe	29
PID 2044 wrote to memory of 1212	2044	wscrIpt.exe	29
PID 1212 wrote to memory of 324	1212	iexplore.exe	31
PID 1212 wrote to memory of 324	1212	iexplore.exe	31
PID 1212 wrote to memory of 324	1212	iexplore.exe	31
PID 1212 wrote to memory of 324	1212	iexplore.exe	31
PID 1212 wrote to memory of 324	1212	iexplore.exe	31
PID 1212 wrote to memory of 324	1212	iexplore.exe	31
PID 1212 wrote to memory of 324	1212	iexplore.exe	31

C:\Users\Admin\AppData\Local\Temp\249ee777601bd3b609bc00d0f1dc6ff50e0d7c17cfd24d580dc650bc9b1a73c3.exe
"C:\Users\Admin\AppData\Local\Temp\249ee777601bd3b609bc00d0f1dc6ff50e0d7c17cfd24d580dc650bc9b1a73c3.exe"
1⤵
- Modifies visiblity of hidden/system files in Explorer
- Drops file in System32 directory
- Drops file in Program Files directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1140
- C:\Windows\SysWOW64\wscriPt.exe
  "C:\Windows\system32\wscriPt.exe" "C:\Program Files (x86)\StormII\StormLib.nqm"
  2⤵
  PID:1620
- C:\Windows\SysWOW64\wscrIpt.exe
  "C:\Windows\system32\wscrIpt.exe" "C:\Windows\system32\pop2.vbs"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2044
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe" http://www.95081.net/2.htm
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1212
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1212 CREDAT:275457 /prefetch:2
      4⤵
      Modifies Internet Explorer settings
      Suspicious behavior: GetForegroundWindowSpam
      Suspicious use of SetWindowsHookEx
      PID:324

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Hidden Files and Directories

T1158

Privilege Escalation

Defense Evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Program Files (x86)\StormII\StormLib.nqm

Filesize
9KB

MD5
a26d1b1ca0d52edce481f7c40d7c12ba

SHA1
2b87ac768b4763726bc65d1d88aecb7417358863

SHA256
627649fbe706ae75bf63d00b251fba80f95ff87ae1987eb83085044d9453c855

SHA512
877d6e128a70af7f0782f3ec7c1d13fdf0813e421b659681534ed8e94f33f4c71ad27d5e02a1e79754a430eeb6dbb252e7758422518697b70ee4bea91d2e9a88

Download Submit
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
304B

MD5
10e4d5c0af5ac18a3728eb991ee58cc4

SHA1
eb525f7f4646c41335c9c3ffdf209a41f9bc29f5

SHA256
eeb2acb697139327a0fb9466d307f482a14ff39b0115fe7b634efb1d1528c49e

SHA512
25f5f8d9040f2286ccafd2966903d68e26709503689671f8d0e870f030b92a9b06fbc03767b6d47ed50430261b605b58a473ab4008b10217095dc5d479818796

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

Filesize
242B

MD5
07472caec8de6e42e2a5215bb7195e19

SHA1
23d5b4a5b517b3e09b5aef9627c5a5e1361db4cd

SHA256
17c13cbb9670b0af5e41c458117b07bedb734c3ce8fd8298cc419c640ff50f6b

SHA512
8ba67ff5dace54a49aba2bccf432ad4a857b9f9319b5ee0d5263695322002bc2fcc6986f28acf9f49c7d387fea4fbb561f4a4323dcc452b004da2f0d04d93773

Download Submit
C:\Windows\SysWOW64\pop2.vbs

Filesize
216B

MD5
d2855e074948c9f561a6098941b7042b

SHA1
88b524946dc5db7ac956647de59dbb5e8735e8ea

SHA256
0de0d449ffae418e267c1d03d9f1d349807ce9a026c265f230cc0bc8fe5f08c6

SHA512
2c1269b87584d06c8f61cec6014d308dcd98f672c7c6e467c7063f87130fefad045e0c41cbe1e67fc49767038b8bc29aa60e4856e66b9657a83b6e373df008d0

Download Submit
memory/1140-54-0x0000000075F51000-0x0000000075F53000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads