dridex | 23333d20673bfed24521601496094430e2ad74efa1e67bc3961c4d209a5b0bcb

Analysis

max time kernel
86s
max time network
100s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 18:10

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General

Target

23333d20673bfed24521601496094430e2ad74efa1e67bc3961c4d209a5b0bcb.dll
Size

154KB
MD5

d329f438e56bb73f026a6d1413e8979b
SHA1

cf534c18626990caaa81c1511900c3555db56229
SHA256

23333d20673bfed24521601496094430e2ad74efa1e67bc3961c4d209a5b0bcb
SHA512

24c8f98aab3b35a598ae9a147a53801ba34b617779cbcef858157d727b705f2c5c3c3adfe7ed715f14db9b0149d6e5b09717474e4c0a60d1bf850a1bd0a2ac0b

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/668-115-0x0000000073990000-0x00000000739BD000-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 3260 wrote to memory of 668	3260	rundll32.exe	rundll32.exe
PID 3260 wrote to memory of 668	3260	rundll32.exe	rundll32.exe
PID 3260 wrote to memory of 668	3260	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\23333d20673bfed24521601496094430e2ad74efa1e67bc3961c4d209a5b0bcb.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3260

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\23333d20673bfed24521601496094430e2ad74efa1e67bc3961c4d209a5b0bcb.dll,#1
2⤵
- Checks whether UAC is enabled
PID:668

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/668-114-0x0000000000000000-mapping.dmp

Download
memory/668-115-0x0000000073990000-0x00000000739BD000-memory.dmp

Filesize
180KB

Download
memory/668-117-0x0000000000760000-0x0000000000766000-memory.dmp

Filesize
24KB

Download