dridex | 25c24cf0d1d05560cdc7c8f3c3453c91c15f2e2f3861dfde0ab5bec8f1758792

Analysis

max time kernel
118s
max time network
123s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 18:44

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General

Target

25c24cf0d1d05560cdc7c8f3c3453c91c15f2e2f3861dfde0ab5bec8f1758792.dll
Size

154KB
MD5

38d1499da04ad52b677bde9b4b92bf6b
SHA1

59b906a424c93cd2f15ffc990bcd2583b0a0e8e6
SHA256

25c24cf0d1d05560cdc7c8f3c3453c91c15f2e2f3861dfde0ab5bec8f1758792
SHA512

1bc646f622845bc86a7fdee5afffd3c0dd8a5606c6acab4035cd0df607968db66f8fd4d0aac2915e551775a01578342f92a98f9f055a1e1ca96c806ceeceb25e

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/1420-115-0x00000000738F0000-0x000000007391D000-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 856 wrote to memory of 1420	856	rundll32.exe	rundll32.exe
PID 856 wrote to memory of 1420	856	rundll32.exe	rundll32.exe
PID 856 wrote to memory of 1420	856	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\25c24cf0d1d05560cdc7c8f3c3453c91c15f2e2f3861dfde0ab5bec8f1758792.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:856

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\25c24cf0d1d05560cdc7c8f3c3453c91c15f2e2f3861dfde0ab5bec8f1758792.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1420

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/1420-114-0x0000000000000000-mapping.dmp

Download
memory/1420-115-0x00000000738F0000-0x000000007391D000-memory.dmp

Filesize
180KB

Download
memory/1420-117-0x0000000000E20000-0x0000000000E26000-memory.dmp

Filesize
24KB

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