dridex | 7137811b3e9793d2b12c1cd1ea31822752bfc260bc9f54d5476a37eb24d5bca3

Analysis

max time kernel
110s
max time network
110s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 18:02

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General

Target

7137811b3e9793d2b12c1cd1ea31822752bfc260bc9f54d5476a37eb24d5bca3.dll
Size

162KB
MD5

fd63519df968e6cbe71183afcaa2fe2f
SHA1

fcc08ae2ea7b2e7a7aa0dcb63a69c47da52b9047
SHA256

7137811b3e9793d2b12c1cd1ea31822752bfc260bc9f54d5476a37eb24d5bca3
SHA512

251a224f56628f0f58202a3f92eae77556fb53161339e498a65e12bc3224f63e3aae8b9df6385875341741d74934230486b6d0cc97540ecf712e742f690aeb89

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/1232-115-0x0000000074260000-0x000000007428E000-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 64 wrote to memory of 1232	64	rundll32.exe	rundll32.exe
PID 64 wrote to memory of 1232	64	rundll32.exe	rundll32.exe
PID 64 wrote to memory of 1232	64	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7137811b3e9793d2b12c1cd1ea31822752bfc260bc9f54d5476a37eb24d5bca3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:64

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7137811b3e9793d2b12c1cd1ea31822752bfc260bc9f54d5476a37eb24d5bca3.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1232

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1232-114-0x0000000000000000-mapping.dmp

Download
memory/1232-115-0x0000000074260000-0x000000007428E000-memory.dmp

Filesize
184KB

Download
memory/1232-117-0x0000000000A70000-0x0000000000A76000-memory.dmp

Filesize
24KB

Download