dridex | cf352c6d48194d899042c877caec515aa481cb711cc3fac9647fb633e4021c4e

Analysis

max time kernel
19s
max time network
112s
platform
windows10_x64
resource
win10v20210410
submitted
29/06/2021, 06:13

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General

Target
cf352c6d48194d899042c877caec515aa481cb711cc3fac9647fb633e4021c4e.dll
Size 162KB
Sample210629-7kslevlk2x
SHA256 cf352c6d48194d899042c877caec515aa481cb711cc3fac9647fb633e4021c4e
MD5 1b0f4a5f3ca20062b9433c5acfbb4a3c
SHA1 8b66aaedb3288177e2d0595c337f338a2a62b79f
SHA512 21759f8225149634c8b27cc4cbe786a5a4d2abb2c4bd6d6dfe3560c4bc572afb454bfd107c4a9cd6c1a0c17832697abf1f7bab7c6e1d84f7800b3d4ed5390b3d
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
behavioral1/memory/3700-115-0x00000000739D0000-0x00000000739FE000-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 3908 wrote to memory of 3700	3908	rundll32.exe	56
PID 3908 wrote to memory of 3700	3908	rundll32.exe	56
PID 3908 wrote to memory of 3700	3908	rundll32.exe	56

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\cf352c6d48194d899042c877caec515aa481cb711cc3fac9647fb633e4021c4e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3908
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\cf352c6d48194d899042c877caec515aa481cb711cc3fac9647fb633e4021c4e.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3700

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/3700-115-0x00000000739D0000-0x00000000739FE000-memory.dmp

Download

memory/3700-117-0x0000000002E60000-0x0000000002F0E000-memory.dmp