dridex | e8c45f9f0601d46ed405d709cc5614290042c1fad8c16fafe7208f90ff7ede6d

Analysis

max time kernel
109s
max time network
110s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 18:01

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General

Target

e8c45f9f0601d46ed405d709cc5614290042c1fad8c16fafe7208f90ff7ede6d.dll
Size

157KB
MD5

ce4decc034c40b51e26087d4dab42bce
SHA1

424bd8d33c8efa7ec1b4d498ec518d7b401d12f3
SHA256

e8c45f9f0601d46ed405d709cc5614290042c1fad8c16fafe7208f90ff7ede6d
SHA512

0be8bdff0427d8a7dd4c7f05b9d301d7aa6d4e1094aefd04a873c973b9f98f6fd375d2d87a993e201a133e05a2d85ca3801d1d492db66ea7443670fa4c8bceab

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
behavioral1/memory/2448-115-0x0000000073990000-0x00000000739BD000-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 2448	1456	rundll32.exe	rundll32.exe
PID 1456 wrote to memory of 2448	1456	rundll32.exe	rundll32.exe
PID 1456 wrote to memory of 2448	1456	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e8c45f9f0601d46ed405d709cc5614290042c1fad8c16fafe7208f90ff7ede6d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1456

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e8c45f9f0601d46ed405d709cc5614290042c1fad8c16fafe7208f90ff7ede6d.dll,#1
2⤵
- Checks whether UAC is enabled
PID:2448

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/2448-114-0x0000000000000000-mapping.dmp

Download
memory/2448-115-0x0000000073990000-0x00000000739BD000-memory.dmp

Filesize
180KB

Download
memory/2448-117-0x0000000000670000-0x0000000000676000-memory.dmp

Filesize
24KB

Download