dridex | d01b2eaa32d0828d620f7ac99d3efce3c368e052294f05e61dbd1cf85d9ed6ad

Analysis

max time kernel
26s
max time network
138s
platform
windows10_x64
resource
win10v20201028
submitted
24-02-2021 23:41

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General

Target

d01b2eaa32d0828d620f7ac99d3efce3c368e052294f05e61dbd1cf85d9ed6ad.dll
Size

188KB
MD5

1a1d5c423bd777e9a18cb41bd14ecada
SHA1

3e86884323029d45fc4da9662ba3e59332b2677a
SHA256

d01b2eaa32d0828d620f7ac99d3efce3c368e052294f05e61dbd1cf85d9ed6ad
SHA512

8fb415d39b991063e45ac0f99ed5d2bb26766254fe32dc3cf0cd285928b6cf51d4e7e1df214b6ad61118a4981b269e48bb2f5b96dbc2b5e91238662a08e6380f

Score

10^/10

dridex 111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

111

209.151.236.42:443

91.121.94.86:8172

5.189.144.136:6516

rc4.plain

Signatures

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

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral2/memory/4724-3-0x0000000074140000-0x0000000074171000-memory.dmp	dridex_ldr
behavioral2/memory/4724-5-0x0000000074140000-0x000000007415F000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

17 4724 rundll32.exe
19 4724 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
17	4724	rundll32.exe
19	4724	rundll32.exe

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

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4704 wrote to memory of 4724	4704	rundll32.exe	rundll32.exe
PID 4704 wrote to memory of 4724	4704	rundll32.exe	rundll32.exe
PID 4704 wrote to memory of 4724	4704	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d01b2eaa32d0828d620f7ac99d3efce3c368e052294f05e61dbd1cf85d9ed6ad.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4704

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d01b2eaa32d0828d620f7ac99d3efce3c368e052294f05e61dbd1cf85d9ed6ad.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:4724

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/4724-2-0x0000000000000000-mapping.dmp

Download
memory/4724-3-0x0000000074140000-0x0000000074171000-memory.dmp

Filesize
196KB

Download
memory/4724-4-0x0000000003660000-0x0000000003666000-memory.dmp

Filesize
24KB

Download
memory/4724-5-0x0000000074140000-0x000000007415F000-memory.dmp

Filesize
124KB

Download