dridex | 4ad430e221df532bc8bafb64fd92e73bc2b08c24f031c8f5fc0299c8c2c223d6

Analysis

max time kernel
24s
max time network
110s
platform
windows10_x64
resource
win10v20210410
submitted
08/05/2021, 02:01

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General

Target
f43400f3_by_Libranalysis.dll
Size 162KB
Sample210508-mdjpbvax5n
SHA256 4ad430e221df532bc8bafb64fd92e73bc2b08c24f031c8f5fc0299c8c2c223d6
MD5 f43400f39a54b8f393f6bf38c8958f76
SHA1 d58c4dd28f328f9c5fcb9531f971c78bd78012ff
SHA512 0ce1755f810418ef6f2f259e026cb8ccdea7cded401cd5cd49823856c16250ce7aded1433409160556375f77729bcd7445934860930dffa4c2cdec4db6412500
MD5 SHA1 SHA512

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

107.172.227.10:443
172.93.133.123:2303
108.168.61.147:8172

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral2/memory/3040-115-0x0000000074380000-0x00000000743AE000-memory.dmp	dridex_ldr

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 3724 wrote to memory of 3040	3724	rundll32.exe	38
PID 3724 wrote to memory of 3040	3724	rundll32.exe	38
PID 3724 wrote to memory of 3040	3724	rundll32.exe	38

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f43400f3_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3724
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f43400f3_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3040

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3040-115-0x0000000074380000-0x00000000743AE000-memory.dmp

Download

memory/3040-117-0x0000000004950000-0x0000000004956000-memory.dmp