dridex | fc2b1d913c5902d0bbe38a6982b5a0a1fb2b46c6baa6d34a709d38ba20e54c3b

Analysis

max time kernel
19s
max time network
112s
platform
windows10_x64
resource
win10v20210410
submitted
27-06-2021 09:55

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General

Target

fc2b1d913c5902d0bbe38a6982b5a0a1fb2b46c6baa6d34a709d38ba20e54c3b.dll
Size

160KB
MD5

b9fc2a9d2ac954e7bfeae560046a2ca8
SHA1

16889b70ebba4ee4b0b615d096f6a003034f1d43
SHA256

fc2b1d913c5902d0bbe38a6982b5a0a1fb2b46c6baa6d34a709d38ba20e54c3b
SHA512

4bb61ff1622dff20f7865a91b0082f6948c9030786fcab19275e216347a5749cb085a0578b3dedaf8336ae67520f64898518614e6f54c75da78345a59c52ae3b

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/1164-115-0x0000000073B70000-0x0000000073B9E000-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 3908 wrote to memory of 1164	3908	rundll32.exe	rundll32.exe
PID 3908 wrote to memory of 1164	3908	rundll32.exe	rundll32.exe
PID 3908 wrote to memory of 1164	3908	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fc2b1d913c5902d0bbe38a6982b5a0a1fb2b46c6baa6d34a709d38ba20e54c3b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3908

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fc2b1d913c5902d0bbe38a6982b5a0a1fb2b46c6baa6d34a709d38ba20e54c3b.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1164

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/1164-114-0x0000000000000000-mapping.dmp

Download
memory/1164-115-0x0000000073B70000-0x0000000073B9E000-memory.dmp

Filesize
184KB

Download
memory/1164-117-0x0000000003060000-0x0000000003066000-memory.dmp

Filesize
24KB

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