dridex | 89f0acc8947bc872b59a680cf0e062065f5323f0d2a12d3e06a7f240fa660635

Analysis

max time kernel
18s
max time network
115s
platform
windows10_x64
resource
win10v20210410
submitted
24-06-2021 14:48

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General

Target

89f0acc8947bc872b59a680cf0e062065f5323f0d2a12d3e06a7f240fa660635.dll
Size

160KB
MD5

9716c6b9e52af7aaf6dde62f9ba32271
SHA1

6f30c22635203d931a54c39e674d982695adfe05
SHA256

89f0acc8947bc872b59a680cf0e062065f5323f0d2a12d3e06a7f240fa660635
SHA512

887d3435581485963ae3c3933727d53a58e9721bc669d3ca9106ebc64318a29456536c2dca4af4b647e91b3f59046b0c5806539406b00679bc8b607fc1a030a7

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/748-115-0x0000000073BF0000-0x0000000073C1E000-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 3172 wrote to memory of 748	3172	rundll32.exe	rundll32.exe
PID 3172 wrote to memory of 748	3172	rundll32.exe	rundll32.exe
PID 3172 wrote to memory of 748	3172	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\89f0acc8947bc872b59a680cf0e062065f5323f0d2a12d3e06a7f240fa660635.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3172
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\89f0acc8947bc872b59a680cf0e062065f5323f0d2a12d3e06a7f240fa660635.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:748

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/748-114-0x0000000000000000-mapping.dmp

Download
memory/748-115-0x0000000073BF0000-0x0000000073C1E000-memory.dmp

Filesize
184KB

Download
memory/748-117-0x0000000000AC0000-0x0000000000AC6000-memory.dmp

Filesize
24KB

Download