dridex | 081bd1057fccf92a3a27ba53c77a7d35d58fdb8abf56317dbb89041a65df0b86

Analysis

max time kernel
108s
max time network
110s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 18:10

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General

Target

081bd1057fccf92a3a27ba53c77a7d35d58fdb8abf56317dbb89041a65df0b86.dll
Size

154KB
MD5

2f57bc296ceed7af0fd12e4203c89ff0
SHA1

ee3a34eeddfe6a2af02d777a6cb70d6701de3c38
SHA256

081bd1057fccf92a3a27ba53c77a7d35d58fdb8abf56317dbb89041a65df0b86
SHA512

75afa3b8e65e42994e7c43c029fee5df21a6e81fb9005ae5bb1173d52d865b8877b189efd7d1ee5eb9d635f9a9c7190a43e2c3f3fc220b8d42e4ceec357d8f7b

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

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/996-115-0x0000000074300000-0x000000007432D000-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 624 wrote to memory of 996	624	rundll32.exe	rundll32.exe
PID 624 wrote to memory of 996	624	rundll32.exe	rundll32.exe
PID 624 wrote to memory of 996	624	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\081bd1057fccf92a3a27ba53c77a7d35d58fdb8abf56317dbb89041a65df0b86.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:624

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\081bd1057fccf92a3a27ba53c77a7d35d58fdb8abf56317dbb89041a65df0b86.dll,#1
2⤵
- Checks whether UAC is enabled
PID:996

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/996-114-0x0000000000000000-mapping.dmp

Download
memory/996-115-0x0000000074300000-0x000000007432D000-memory.dmp

Filesize
180KB

Download
memory/996-117-0x0000000002FC0000-0x000000000310A000-memory.dmp

Filesize
1.3MB

Download