dridex | 76924e1f41ce0edfc3138eee9e9463beff04d59f591754df078154cd12b06bab

Analysis

max time kernel
116s
max time network
119s
platform
windows10_x64
resource
win10v20210408
submitted
11-05-2021 13:35

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General

Target

76924e1f41ce0edfc3138eee9e9463beff04d59f591754df078154cd12b06bab.dll
Size

162KB
MD5

05fd6a20938e5e7cce497e72e7fb9f69
SHA1

a88f07beef553b3710ed946b06d9a0de511110da
SHA256

76924e1f41ce0edfc3138eee9e9463beff04d59f591754df078154cd12b06bab
SHA512

7b31634c34563ed872d64a07e7674ef1e7cea8c759e6d0cb66f114e7f550c3a2ae2c26b24835aff48c0f1f45bf6a309210dc7dc1015cfdf8c506178f140d13e0

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

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
behavioral1/memory/2372-115-0x0000000073990000-0x00000000739BE000-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 1456 wrote to memory of 2372	1456	rundll32.exe	rundll32.exe
PID 1456 wrote to memory of 2372	1456	rundll32.exe	rundll32.exe
PID 1456 wrote to memory of 2372	1456	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\76924e1f41ce0edfc3138eee9e9463beff04d59f591754df078154cd12b06bab.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1456

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\76924e1f41ce0edfc3138eee9e9463beff04d59f591754df078154cd12b06bab.dll,#1
2⤵
- Checks whether UAC is enabled
PID:2372

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/2372-114-0x0000000000000000-mapping.dmp

Download
memory/2372-115-0x0000000073990000-0x00000000739BE000-memory.dmp

Filesize
184KB

Download
memory/2372-117-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download