dridex | 57c98733ce1626b99c47e900b3f78e916654708a54509532cf9211442393d4bc

Analysis

max time kernel
19s
max time network
112s
platform
windows10_x64
resource
win10v20210410
submitted
21-06-2021 14:06

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General

Target

57c98733ce1626b99c47e900b3f78e916654708a54509532cf9211442393d4bc.dll
Size

160KB
MD5

6b5a3242a442e56b0cb6345b1b560aa9
SHA1

262fce5097ef3d1e195404b36810e12378f21f45
SHA256

57c98733ce1626b99c47e900b3f78e916654708a54509532cf9211442393d4bc
SHA512

b4b7b8ad71e23498cfa7edffc5ddbdf1c5bdfbda0486e0ef2a263e7995e04a3e624dda8f501e6128e0cb396a9a6ba104e3b35f72d475a331784b22062ca44931

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/3924-115-0x0000000073F20000-0x0000000073F4E000-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 3100 wrote to memory of 3924	3100	rundll32.exe	rundll32.exe
PID 3100 wrote to memory of 3924	3100	rundll32.exe	rundll32.exe
PID 3100 wrote to memory of 3924	3100	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\57c98733ce1626b99c47e900b3f78e916654708a54509532cf9211442393d4bc.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3100

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\57c98733ce1626b99c47e900b3f78e916654708a54509532cf9211442393d4bc.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3924

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/3924-114-0x0000000000000000-mapping.dmp

Download
memory/3924-115-0x0000000073F20000-0x0000000073F4E000-memory.dmp

Filesize
184KB

Download
memory/3924-117-0x00000000003F0000-0x00000000003F6000-memory.dmp

Filesize
24KB

Download