dridex | e185372305ef5600219aed56262b1872a9c90ba1c5144422d8504f44f33aeb17

Analysis

max time kernel
135s
max time network
144s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 18:11

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General

Target

e185372305ef5600219aed56262b1872a9c90ba1c5144422d8504f44f33aeb17.dll
Size

157KB
MD5

cb77defbec328e1bd3b242d56f4a05f9
SHA1

8693ff331bc44d376ff1613e259772534574d74a
SHA256

e185372305ef5600219aed56262b1872a9c90ba1c5144422d8504f44f33aeb17
SHA512

c85b0a2162c398c845b57cd5fa39e3650ec190c15022e1395f63608950a0bbb6c87fbd4c166d9368015c72952fc7666a547e7cff0b1a4322eb4cfd911eacdef3

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

159.8.59.82:443

51.91.156.39:2303

67.196.50.240:8172

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

Processes:

resource	yara_rule
behavioral2/memory/2488-115-0x0000000073990000-0x00000000739BD000-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 1456 wrote to memory of 2488	1456	rundll32.exe	rundll32.exe
PID 1456 wrote to memory of 2488	1456	rundll32.exe	rundll32.exe
PID 1456 wrote to memory of 2488	1456	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e185372305ef5600219aed56262b1872a9c90ba1c5144422d8504f44f33aeb17.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1456

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e185372305ef5600219aed56262b1872a9c90ba1c5144422d8504f44f33aeb17.dll,#1
2⤵
- Checks whether UAC is enabled
PID:2488

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/2488-114-0x0000000000000000-mapping.dmp

Download
memory/2488-115-0x0000000073990000-0x00000000739BD000-memory.dmp

Filesize
180KB

Download
memory/2488-117-0x00000000007F0000-0x00000000007F6000-memory.dmp

Filesize
24KB

Download