dridex | bbdfacff9cafa740bb4019075f87e4efc7d79d1f9facf958f1b81990def29cff

Analysis

max time kernel
134s
max time network
136s
platform
windows10_x64
resource
win10v20210408
submitted
14/04/2021, 17:05

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General

Target
bbdfacff9cafa740bb4019075f87e4efc7d79d1f9facf958f1b81990def29cff.dll
Size 162KB
Sample210414-4gm14ch86x
SHA256 bbdfacff9cafa740bb4019075f87e4efc7d79d1f9facf958f1b81990def29cff
MD5 1f4a166df6a20b8afdd09b56b31177bb
SHA1 47d7451f03c327d088b90fa9b4dcdf2bb163f8a7
SHA512 6288ef3de211ff1c1f23b0022b54852c560614fe54c388ddd16b40f779842fb239063fabd220e32e80b94bbdf594877514462af1118793ead9fac71615721149
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/1636-115-0x0000000073550000-0x000000007357E000-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 856 wrote to memory of 1636	856	rundll32.exe	70
PID 856 wrote to memory of 1636	856	rundll32.exe	70
PID 856 wrote to memory of 1636	856	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bbdfacff9cafa740bb4019075f87e4efc7d79d1f9facf958f1b81990def29cff.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:856
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\bbdfacff9cafa740bb4019075f87e4efc7d79d1f9facf958f1b81990def29cff.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1636

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/1636-115-0x0000000073550000-0x000000007357E000-memory.dmp

Download

memory/1636-117-0x0000000000550000-0x0000000000556000-memory.dmp