dridex | 2b9685ca4ebffc356aa302451bef5e68d33cc87d393675eddff274fcbb170226

Analysis

max time kernel
26s
max time network
113s
platform
windows10_x64
resource
win10v20210408
submitted
24-06-2021 09:25

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General

Target

2b9685ca4ebffc356aa302451bef5e68d33cc87d393675eddff274fcbb170226.dll
Size

160KB
MD5

114d507afab64a0a2249c8ba62f84447
SHA1

33af442a125f9b3476e82d7ed002df5e86d2b4d4
SHA256

2b9685ca4ebffc356aa302451bef5e68d33cc87d393675eddff274fcbb170226
SHA512

1a2fefa296a855b04a822be623be26e3e4d235ee79858732670680002103de42345b4333cfd2f432d826492a457eb37d9fde4be9fdd09ff04f60c4c3c3ca72a4

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/1388-115-0x0000000074160000-0x000000007418E000-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 904 wrote to memory of 1388	904	rundll32.exe	rundll32.exe
PID 904 wrote to memory of 1388	904	rundll32.exe	rundll32.exe
PID 904 wrote to memory of 1388	904	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2b9685ca4ebffc356aa302451bef5e68d33cc87d393675eddff274fcbb170226.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:904

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2b9685ca4ebffc356aa302451bef5e68d33cc87d393675eddff274fcbb170226.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1388

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/1388-114-0x0000000000000000-mapping.dmp

Download
memory/1388-115-0x0000000074160000-0x000000007418E000-memory.dmp

Filesize
184KB

Download
memory/1388-117-0x0000000004C50000-0x0000000004C56000-memory.dmp

Filesize
24KB

Download