dridex | ed9be63c515b4d117f8734d762ac1f4d39bcacde39cd79fb209cc2175f5a349c

Analysis

max time kernel
38s
max time network
147s
platform
windows10_x64
resource
win10v20201028
submitted
24/02/2021, 15:05

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General

Target
ed9be63c515b4d117f8734d762ac1f4d39bcacde39cd79fb209cc2175f5a349c.dll
Size 188KB
Sample210224-gsfbdnws4a
SHA256 ed9be63c515b4d117f8734d762ac1f4d39bcacde39cd79fb209cc2175f5a349c
MD5 29f98a1ffd1af3a82ef94fe8a4a3fbcb
SHA1 3f61012a49d3e3023efe0056ef3500b16a790793
SHA512 0f892652dc1cd0bf19e179ddfa3bda2349914f740dc04b8e0ce8ab2e9a45e4082cadba936190f42365ac807ef5d31478601865883315a079b5bcaff8541a578f
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/1896-3-0x00000000738C0000-0x00000000738F1000-memory.dmp	dridex_ldr
behavioral2/memory/1896-5-0x00000000738C0000-0x00000000738DF000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

flow	pid	Process
20	1896	rundll32.exe
22	1896	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 1048 wrote to memory of 1896	1048	rundll32.exe	72
PID 1048 wrote to memory of 1896	1048	rundll32.exe	72
PID 1048 wrote to memory of 1896	1048	rundll32.exe	72

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ed9be63c515b4d117f8734d762ac1f4d39bcacde39cd79fb209cc2175f5a349c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1048
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ed9be63c515b4d117f8734d762ac1f4d39bcacde39cd79fb209cc2175f5a349c.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  PID:1896

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/1896-3-0x00000000738C0000-0x00000000738F1000-memory.dmp

Download

memory/1896-4-0x0000000000860000-0x0000000000866000-memory.dmp

Download

memory/1896-5-0x00000000738C0000-0x00000000738DF000-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