dridex | a0225dabdd8d4d5c703fda4e422da2e2ee7632671bd6a66855232c26c6f2325a

Analysis

max time kernel
28s
max time network
102s
platform
windows10_x64
resource
win10v20201028
submitted
24/02/2021, 15:06

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General

Target
a0225dabdd8d4d5c703fda4e422da2e2ee7632671bd6a66855232c26c6f2325a.dll
Size 188KB
Sample210224-fa2nrff6c2
SHA256 a0225dabdd8d4d5c703fda4e422da2e2ee7632671bd6a66855232c26c6f2325a
MD5 9deafbcaad8928e5d33b16b4824cafa9
SHA1 0ec44245789a0f5b7fe52433a762919d6024d99c
SHA512 e724ea6249570813afde960844484d6cca52736fd4c9a20d5ff176c8ed774e9fd27ed3483777381176e3d58c62a8c97f0a2645acd2336c000b2bbb194428b7ac
MD5 SHA1 SHA512

Score

10^/10

dridex 111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

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

resource	yara_rule
behavioral2/memory/4832-3-0x0000000073E30000-0x0000000073E61000-memory.dmp	dridex_ldr
behavioral2/memory/4832-5-0x0000000073E30000-0x0000000073E4F000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

flow	pid	Process
15	4832	rundll32.exe
17	4832	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

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

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4808 wrote to memory of 4832	4808	rundll32.exe	69
PID 4808 wrote to memory of 4832	4808	rundll32.exe	69
PID 4808 wrote to memory of 4832	4808	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a0225dabdd8d4d5c703fda4e422da2e2ee7632671bd6a66855232c26c6f2325a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4808
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a0225dabdd8d4d5c703fda4e422da2e2ee7632671bd6a66855232c26c6f2325a.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  PID:4832

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4832-3-0x0000000073E30000-0x0000000073E61000-memory.dmp

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memory/4832-4-0x0000000004390000-0x0000000004396000-memory.dmp

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memory/4832-5-0x0000000073E30000-0x0000000073E4F000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads