dridex | d9a0123b23593accbbcdb0fcec0e521b3da8a69a7cc59dfaf847173e8128d708

Analysis

max time kernel
89s
max time network
150s
platform
windows10_x64
resource
win10v20201028
submitted
18/02/2021, 07:03

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General

Target
5ef643c06d606faf37ca3b390ce33640.dll
Size 1.0MB
Sample210218-jktkfay57x
SHA256 d9a0123b23593accbbcdb0fcec0e521b3da8a69a7cc59dfaf847173e8128d708
MD5 5ef643c06d606faf37ca3b390ce33640
SHA1 5be3ececaadf0c150d9b82c78f86757e8041e14d
SHA512 ce11bdd9d50e5a32d182e9a117b37dca85e1b05ac2c3d995e3ede12c738e1dfc64ce10907836ce5bcd65e5d1b02effbadfbbd667b0c3b3f0b62aebe62eea40cf
MD5 SHA1 SHA512

Score

10^/10

dridex 10444 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

10444

209.20.87.138:443
198.1.115.153:8172
151.236.29.248:6516

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/4748-3-0x0000000073760000-0x000000007379D000-memory.dmp	dridex_ldr
behavioral2/memory/4748-4-0x0000000073760000-0x000000007379D000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

flow	pid	Process
17	4748	rundll32.exe
19	4748	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 4692 wrote to memory of 4748	4692	rundll32.exe	70
PID 4692 wrote to memory of 4748	4692	rundll32.exe	70
PID 4692 wrote to memory of 4748	4692	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5ef643c06d606faf37ca3b390ce33640.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4692
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\5ef643c06d606faf37ca3b390ce33640.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  PID:4748

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/4748-3-0x0000000073760000-0x000000007379D000-memory.dmp

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memory/4748-4-0x0000000073760000-0x000000007379D000-memory.dmp

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memory/4748-5-0x0000000003100000-0x0000000003101000-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