dridex | 448c8df2fa4f49e7106abd7c82677cfe2fbad61e833c430024abf731efc7780a

Analysis

max time kernel
26s
max time network
113s
platform
windows10_x64
resource
win10v20210408
submitted
19-06-2021 20:39

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General

Target

448c8df2fa4f49e7106abd7c82677cfe2fbad61e833c430024abf731efc7780a.dll
Size

160KB
MD5

db9aa42530b9923f7aa30c7c2ccd1791
SHA1

10182c464c2d6b49060e356c27305a0c37e653d5
SHA256

448c8df2fa4f49e7106abd7c82677cfe2fbad61e833c430024abf731efc7780a
SHA512

135bfa37596878204c13d511cf065b79a0a4dee0661cd6b10b4bc0bda24f73ebca4bd98893ebc571a2472e06848e0aba0bedea61e74e54a1c01b697b4016af3d

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/2660-115-0x0000000073530000-0x000000007355E000-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 3628 wrote to memory of 2660	3628	rundll32.exe	rundll32.exe
PID 3628 wrote to memory of 2660	3628	rundll32.exe	rundll32.exe
PID 3628 wrote to memory of 2660	3628	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\448c8df2fa4f49e7106abd7c82677cfe2fbad61e833c430024abf731efc7780a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3628
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\448c8df2fa4f49e7106abd7c82677cfe2fbad61e833c430024abf731efc7780a.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:2660

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/2660-114-0x0000000000000000-mapping.dmp

Download
memory/2660-115-0x0000000073530000-0x000000007355E000-memory.dmp

Filesize
184KB

Download
memory/2660-117-0x0000000000C50000-0x0000000000C56000-memory.dmp

Filesize
24KB

Download