dridex | 5477a2b3bd53aadfa3731bf9bab95e915421d5b18a4b49a4ba81c9060c8d4482

Analysis

max time kernel
25s
max time network
119s
platform
windows10_x64
resource
win10v20210408
submitted
19-06-2021 08:37

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General

Target

5477a2b3bd53aadfa3731bf9bab95e915421d5b18a4b49a4ba81c9060c8d4482.dll
Size

160KB
MD5

77734f9da70f80098762bcf92d157789
SHA1

0c1bc3bd85a79c6ec057210dddadb28650ff70c0
SHA256

5477a2b3bd53aadfa3731bf9bab95e915421d5b18a4b49a4ba81c9060c8d4482
SHA512

b6dea71a0ddf121b0ee019cfca2e4dc4c08e71c26492753e9b9d86d3fec0b739459455bb45c91f03dea10138a8fce8945d6adacb59d2ecb7cddd15b4dff72de2

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/680-115-0x0000000074430000-0x000000007445E000-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 740 wrote to memory of 680	740	rundll32.exe	rundll32.exe
PID 740 wrote to memory of 680	740	rundll32.exe	rundll32.exe
PID 740 wrote to memory of 680	740	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5477a2b3bd53aadfa3731bf9bab95e915421d5b18a4b49a4ba81c9060c8d4482.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:740
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\5477a2b3bd53aadfa3731bf9bab95e915421d5b18a4b49a4ba81c9060c8d4482.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:680

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/680-114-0x0000000000000000-mapping.dmp

Download
memory/680-115-0x0000000074430000-0x000000007445E000-memory.dmp

Filesize
184KB

Download
memory/680-117-0x0000000003130000-0x0000000003136000-memory.dmp

Filesize
24KB

Download