dridex | 77252886d955e4cbe6cf8229776270f1e344e6863e67e683054d862fec45830c

Analysis

max time kernel
26s
max time network
116s
platform
windows10_x64
resource
win10v20210408
submitted
19-06-2021 10:48

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General

Target

77252886d955e4cbe6cf8229776270f1e344e6863e67e683054d862fec45830c.dll
Size

160KB
MD5

f5b1d0a658763265c791d7a0b5475eee
SHA1

b5ffc647b4e2d378817f23c66f448361293dca43
SHA256

77252886d955e4cbe6cf8229776270f1e344e6863e67e683054d862fec45830c
SHA512

09583fa283bc5ee8966a49df1ee14068465d606e0dfd0b02874da007068ac7b51e3fe05e21adf447a3c9e0a5131b70d99bdd2e9d0b142496e740d5e7e6b8ea0b

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

94.247.168.64:443

159.203.93.122:8172

50.116.27.97:2303

rc4.plain

Signatures

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

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/2092-115-0x0000000073ED0000-0x0000000073EFE000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

rundll32.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 900 wrote to memory of 2092	900	rundll32.exe	rundll32.exe
PID 900 wrote to memory of 2092	900	rundll32.exe	rundll32.exe
PID 900 wrote to memory of 2092	900	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\77252886d955e4cbe6cf8229776270f1e344e6863e67e683054d862fec45830c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:900
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\77252886d955e4cbe6cf8229776270f1e344e6863e67e683054d862fec45830c.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:2092

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/2092-114-0x0000000000000000-mapping.dmp

Download
memory/2092-115-0x0000000073ED0000-0x0000000073EFE000-memory.dmp

Filesize
184KB

Download
memory/2092-117-0x00000000007D0000-0x00000000007D6000-memory.dmp

Filesize
24KB

Download