dridex | 5377f2fa2300a49459cc5b616c45b15e73a177cc953ff8495135cc727745cf8b

Analysis

max time kernel
74s
max time network
135s
platform
windows10_x64
resource
win10v20210408
submitted
16/04/2021, 18:36

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General

Target
5377f2fa2300a49459cc5b616c45b15e73a177cc953ff8495135cc727745cf8b.dll
Size 162KB
Sample210416-yf4265pnca
SHA256 5377f2fa2300a49459cc5b616c45b15e73a177cc953ff8495135cc727745cf8b
MD5 94e31e3215c5db2f8e20e3efdf83a84e
SHA1 e385f435b62dcd93ff74e6951aa89bb4af44efa2
SHA512 6c3f7402f21b27ce0e24a26acc6be4dd4bf804aa7746880d03f36da0d9b091389d24af2091c338bbfa71a3f1c7f5fad6d135847654871e02d5f07dd4ce081d0c
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/3652-115-0x0000000073620000-0x000000007364E000-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 584 wrote to memory of 3652	584	rundll32.exe	69
PID 584 wrote to memory of 3652	584	rundll32.exe	69
PID 584 wrote to memory of 3652	584	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5377f2fa2300a49459cc5b616c45b15e73a177cc953ff8495135cc727745cf8b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:584
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\5377f2fa2300a49459cc5b616c45b15e73a177cc953ff8495135cc727745cf8b.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3652

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/3652-115-0x0000000073620000-0x000000007364E000-memory.dmp

Download

memory/3652-117-0x00000000031D0000-0x00000000031D6000-memory.dmp