dridex | 0aedf995ba27ea387f28090ebda110ec4394b35e1aa33ea2ea6031af7c6d0949

Analysis

max time kernel
24s
max time network
134s
platform
windows10_x64
resource
win10v20201028
submitted
31/03/2021, 14:35

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General

Target
0aedf995ba27ea387f28090ebda110ec4394b35e1aa33ea2ea6031af7c6d0949.dll
Size 377KB
Sample210331-4awr6lmll2
SHA256 0aedf995ba27ea387f28090ebda110ec4394b35e1aa33ea2ea6031af7c6d0949
MD5 a68980c620d276184f14e65d5c5eaea6
SHA1 e0091293dff8aa819db9989e6c8a2a8ee3a7282c
SHA512 8be2f3d7dd9947cee05f29b279762371b21d484baf4d9b5469433ff2738ef570556a3b490b6da09f9080359ea16b1468ac99f00bb93a4e07798236a186deaf66
MD5 SHA1 SHA512

Score

10^/10

dridex 10444 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

10444

131.100.24.215:443
210.65.244.174:6601
195.201.199.53:2303

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/4792-3-0x0000000074100000-0x000000007413D000-memory.dmp	dridex_ldr
behavioral2/memory/4792-4-0x0000000074100000-0x000000007413D000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

flow	pid	Process
16	4792	rundll32.exe
18	4792	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 4712 wrote to memory of 4792	4712	rundll32.exe	49
PID 4712 wrote to memory of 4792	4712	rundll32.exe	49
PID 4712 wrote to memory of 4792	4712	rundll32.exe	49

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0aedf995ba27ea387f28090ebda110ec4394b35e1aa33ea2ea6031af7c6d0949.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4712
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\0aedf995ba27ea387f28090ebda110ec4394b35e1aa33ea2ea6031af7c6d0949.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  PID:4792

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/4792-3-0x0000000074100000-0x000000007413D000-memory.dmp

Download

memory/4792-4-0x0000000074100000-0x000000007413D000-memory.dmp

Download

memory/4792-5-0x0000000003370000-0x0000000003371000-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