dridex | 85c53806c4c4c7cd3d68bd1067a91f66572e40a25305c2d1cb2f223b74a64b62

Analysis

max time kernel
26s
max time network
70s
platform
windows10_x64
resource
win10v20210408
submitted
24-06-2021 00:05

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General

Target

85c53806c4c4c7cd3d68bd1067a91f66572e40a25305c2d1cb2f223b74a64b62.dll
Size

160KB
MD5

dddda3785466fa0013ba5d7a9e9de8ff
SHA1

3ed915eafaeb327b6e7fd2653494a8155656bdfc
SHA256

85c53806c4c4c7cd3d68bd1067a91f66572e40a25305c2d1cb2f223b74a64b62
SHA512

f79fc39c1cd1d8689d02577d86b682bf771c358cc95b2a76fed48905ef7e9e28d3c7206ed30237b1e7b9128a8b1d4a7e223bc5f5b9ac2ecc3d1a8d8ef37c0426

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/1488-115-0x0000000074350000-0x000000007437E000-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 672 wrote to memory of 1488	672	rundll32.exe	rundll32.exe
PID 672 wrote to memory of 1488	672	rundll32.exe	rundll32.exe
PID 672 wrote to memory of 1488	672	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\85c53806c4c4c7cd3d68bd1067a91f66572e40a25305c2d1cb2f223b74a64b62.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:672

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\85c53806c4c4c7cd3d68bd1067a91f66572e40a25305c2d1cb2f223b74a64b62.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1488

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1488-114-0x0000000000000000-mapping.dmp

Download
memory/1488-115-0x0000000074350000-0x000000007437E000-memory.dmp

Filesize
184KB

Download
memory/1488-117-0x00000000031F0000-0x00000000031F6000-memory.dmp

Filesize
24KB

Download