dridex | 81d0dbe368468db551b4aad38a5aef99ef1769e86ba2bd55ce6e655332e08367

Analysis

max time kernel
25s
max time network
114s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 17:03

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General

Target

81d0dbe368468db551b4aad38a5aef99ef1769e86ba2bd55ce6e655332e08367.dll
Size

158KB
MD5

eaf8819ded62cad1980f7ea11e0fcb02
SHA1

891fef1fb412f1e136bce78515d410b2ed65b5e1
SHA256

81d0dbe368468db551b4aad38a5aef99ef1769e86ba2bd55ce6e655332e08367
SHA512

858b42e32bcae9c97460b912b271da10940b7a6a7dcb6b8b469407ee9f49fc34f09856b25cdfd566d7fcdb31e04d5a80660b09eca28a1ab82dffe33afebe465b

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

8.210.53.215:443

72.249.22.245:2303

188.40.137.206:8172

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/4092-115-0x00000000735E0000-0x000000007360D000-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 3968 wrote to memory of 4092	3968	rundll32.exe	rundll32.exe
PID 3968 wrote to memory of 4092	3968	rundll32.exe	rundll32.exe
PID 3968 wrote to memory of 4092	3968	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\81d0dbe368468db551b4aad38a5aef99ef1769e86ba2bd55ce6e655332e08367.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3968

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\81d0dbe368468db551b4aad38a5aef99ef1769e86ba2bd55ce6e655332e08367.dll,#1
2⤵
- Checks whether UAC is enabled
PID:4092

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/4092-114-0x0000000000000000-mapping.dmp

Download
memory/4092-115-0x00000000735E0000-0x000000007360D000-memory.dmp

Filesize
180KB

Download
memory/4092-117-0x0000000002950000-0x0000000002956000-memory.dmp

Filesize
24KB

Download