dridex | 664a9ed7f0380b737fd75b3aa9c234eb15235b0097306e9a46bec74c5584ba6a

General

Target

tzvqteb.0.dr.dll
Size

750KB
MD5

982920b38c5cd4405292b6574db8e91d
SHA1

da09a73c1c1be0ce1c0f0e058b8f32b7d188ca8c
SHA256

664a9ed7f0380b737fd75b3aa9c234eb15235b0097306e9a46bec74c5584ba6a
SHA512

ef2957e0107ce7454ff246a5b8868bc00ea9dfb78598aff9951ee605a7f4d43ca13f8015bc9370c77776d25465ed5e711aeb0790f7a30adfcb9505247521a9c3

Score

10^/10

dridex 10555 botnet discovery evasion trojan

Malware Config

Extracted

Family

dridex

Botnet

10555

C2

192.46.210.220:443

143.244.140.214:808

45.77.0.96:6891

185.56.219.47:8116

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 2 IoCs

Processes:

rundll32.exe

flow pid process

3 2040 rundll32.exe
6 2040 rundll32.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:

rundll32.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe

flow	pid	process
3	2040	rundll32.exe
6	2040	rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Modifies system certificate store 2 TTPs 4 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

rundll32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\1576011B0ADDEBDF89A49B9BD56C5BE07DF7A34E	rundll32.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\1576011B0ADDEBDF89A49B9BD56C5BE07DF7A34E\Blob = 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	rundll32.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\1576011B0ADDEBDF89A49B9BD56C5BE07DF7A34E\Blob = 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	rundll32.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\1576011B0ADDEBDF89A49B9BD56C5BE07DF7A34E\Blob = 190000000100000010000000e2678bc99ad617f8fe31abe1601a03ba0f00000001000000200000006454716973896c056ab54a63997790ece7ac813b037ad3a6f31b9992310c84e40300000001000000140000001576011b0addebdf89a49b9bd56c5be07df7a34e1400000001000000140000004dbd7726bc444a1f8919fac4acfd573620af72fe2000000001000000f9020000308202f5308201dda00302010202106374455b0389adb89085e8e7ece512fc300d06092a864886f70d01010b050030133111300f06035504031308436c6f75644e6574301e170d3231313031343135303030305a170d3236313031333135303030305a30133111300f06035504031308436c6f75644e657430820122300d06092a864886f70d01010105000382010f003082010a0282010100b9b3994849bb326ebff9746283f0423dfd1b6394dc0bb9f3015de3f48b493fee7beda770481536273d7ed5fa5485967d586fa319e87f07bc6b46d7dfb97de602f6710a53ee8320d4b9a06363401e01838f4c7ffa10b1c6330c1c531acc64fbab57fa15029c14947468ff37491078462dfb61886d5bbb28996e867d08d4f13b60269f97d0c9fb7cf966c9df103014493d0106e255ea161947ab40fc0390fab958cd5c341d9acd1446ec10799aea6552b551bc42d9b7d5b2cccc4f84b9e242f48ff675325a8749a1a6d8dcfb6e52b0ab35b5a1b155dd0e5242d4712211986bf220067a7367a8af50bc3c46da42b15729396008b9131d50ee0fa6321b8949bab3ed0203010001a3453043300e0603551d0f0101ff04040302010630120603551d130101ff040830060101ff020101301d0603551d0e041604144dbd7726bc444a1f8919fac4acfd573620af72fe300d06092a864886f70d01010b050003820101008145db04024b62367a718d5cbe364effcd2219a8eb951c07188bcdb693f3c2734dbbb54f0060ea9e12ca70b9058ddcdcfc83696efb0417da8a01ac0b41de9166079b27b5b3c0375c02342ac9537a7ae4fa61bc8b6433bfb0b2f6ba5d80df6e34ae7c1764983830b8018f432828faec4dbb2dbc7f6a8d6fb429df3fde7403bf1136721aa002402cc7e2df4c96b11aa9dcf8894ec7e22d5e37b17adb0affc2f89c55e5aa6dfada6fbdd2de55bed0ea425ec1a67bdb9f423f156262e74bd02bb261f9f1a6ba9b56c0e0c1f3b51ee7e1d33580a46c878cd820c981acf89b58ccc448b29273c6a64aece1b8fbf3e36ffbfbe4fa71bbf3d32909c9694c7d31fd52f0b2	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1680 wrote to memory of 2040	1680	rundll32.exe	rundll32.exe
PID 1680 wrote to memory of 2040	1680	rundll32.exe	rundll32.exe
PID 1680 wrote to memory of 2040	1680	rundll32.exe	rundll32.exe
PID 1680 wrote to memory of 2040	1680	rundll32.exe	rundll32.exe
PID 1680 wrote to memory of 2040	1680	rundll32.exe	rundll32.exe
PID 1680 wrote to memory of 2040	1680	rundll32.exe	rundll32.exe
PID 1680 wrote to memory of 2040	1680	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\tzvqteb.0.dr.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1680

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\tzvqteb.0.dr.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
- Modifies system certificate store
PID:2040

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Install Root Certificate

1

T1130

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/2040-54-0x0000000000000000-mapping.dmp

Download
memory/2040-55-0x00000000765A1000-0x00000000765A3000-memory.dmp

Filesize
8KB

Download
memory/2040-56-0x00000000752D0000-0x0000000075399000-memory.dmp

Filesize
804KB

Download
memory/2040-57-0x00000000752D0000-0x000000007530D000-memory.dmp

Filesize
244KB

Download
memory/2040-58-0x00000000752D0000-0x0000000075399000-memory.dmp

Filesize
804KB

Download
memory/2040-60-0x0000000000120000-0x0000000000121000-memory.dmp

Filesize
4KB

Download

Analysis

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