dridex | 982c442df8c37a47c5d360b0dfc6c533aa76189ab63ded7bf2d5e04ef247a5d5

Analysis

max time kernel
92s
max time network
136s
platform
windows10_x64
resource
win10v20201028
submitted
03-03-2021 19:05

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General

Target

982c442df8c37a47c5d360b0dfc6c533aa76189ab63ded7bf2d5e04ef247a5d5.dll
Size

188KB
MD5

b529a485983d540e9a43d004785ab463
SHA1

42009c5552c2a9db0b1e27768b92f8e77cd406fe
SHA256

982c442df8c37a47c5d360b0dfc6c533aa76189ab63ded7bf2d5e04ef247a5d5
SHA512

3ab461daeb370c3a602344538711477cc86900268e88551857cd96147170045ec7709c04ac29c30ee14b28cf570f2ff2f1aa818c759ee2b46c292dfdcc8babc3

Score

10^/10

dridex 111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

111

116.251.211.158:443

216.10.242.142:6601

37.247.35.137:6601

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/2932-3-0x0000000073760000-0x0000000073791000-memory.dmp	dridex_ldr
behavioral2/memory/2932-5-0x0000000073760000-0x000000007377F000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

15 2932 rundll32.exe
17 2932 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
15	2932	rundll32.exe
17	2932	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 984 wrote to memory of 2932	984	rundll32.exe	rundll32.exe
PID 984 wrote to memory of 2932	984	rundll32.exe	rundll32.exe
PID 984 wrote to memory of 2932	984	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\982c442df8c37a47c5d360b0dfc6c533aa76189ab63ded7bf2d5e04ef247a5d5.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:984

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\982c442df8c37a47c5d360b0dfc6c533aa76189ab63ded7bf2d5e04ef247a5d5.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:2932

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/2932-2-0x0000000000000000-mapping.dmp

Download
memory/2932-3-0x0000000073760000-0x0000000073791000-memory.dmp

Filesize
196KB

Download
memory/2932-4-0x0000000000A80000-0x0000000000A86000-memory.dmp

Filesize
24KB

Download
memory/2932-5-0x0000000073760000-0x000000007377F000-memory.dmp

Filesize
124KB

Download