dridex | 90be2aa4717ee741eed443dab6ee983032ac4340f98f52845b53420fd9584cb2

Analysis

max time kernel
125s
max time network
126s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 17:03

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General

Target

90be2aa4717ee741eed443dab6ee983032ac4340f98f52845b53420fd9584cb2.dll
Size

161KB
MD5

c3a29464d7a41dc1bad595bca2ab867f
SHA1

d080b4521d310c233ea301e82221ea1d9cebc671
SHA256

90be2aa4717ee741eed443dab6ee983032ac4340f98f52845b53420fd9584cb2
SHA512

690b60eeee51256e4fa309a8f71acf642e58ab8c4a4375658a9eb09e31d773419165276740a4fb8fd8e14153f7560220302fb449e3fd822d82ef3c45d2e73cb5

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

107.172.227.10:443

172.93.133.123:2303

108.168.61.147:8172

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
behavioral2/memory/1476-115-0x0000000074260000-0x000000007428E000-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 1000 wrote to memory of 1476	1000	rundll32.exe	rundll32.exe
PID 1000 wrote to memory of 1476	1000	rundll32.exe	rundll32.exe
PID 1000 wrote to memory of 1476	1000	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\90be2aa4717ee741eed443dab6ee983032ac4340f98f52845b53420fd9584cb2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1000

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\90be2aa4717ee741eed443dab6ee983032ac4340f98f52845b53420fd9584cb2.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1476

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/1476-114-0x0000000000000000-mapping.dmp

Download
memory/1476-115-0x0000000074260000-0x000000007428E000-memory.dmp

Filesize
184KB

Download
memory/1476-117-0x0000000002DC0000-0x0000000002F0A000-memory.dmp

Filesize
1.3MB

Download