dridex | f8fee9387911560567176d5c0526ff8f2747d69144b9ecb9ed975feca21c57f7

Analysis

max time kernel
21s
max time network
125s
platform
windows10_x64
resource
win10v20210410
submitted
21-06-2021 21:29

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General

Target

f8fee9387911560567176d5c0526ff8f2747d69144b9ecb9ed975feca21c57f7.dll
Size

158KB
MD5

00f0982901fe058adb11803ea6366db9
SHA1

77e300870d1fd868464b12ef4eab5ee823432867
SHA256

f8fee9387911560567176d5c0526ff8f2747d69144b9ecb9ed975feca21c57f7
SHA512

069e7f432193e6fbca5a34e84a2d2b143df4384e2feec7edb354ddcdc4ccc50ae753179204939cd5391479b1b159c1547c57acefb6938a764902d4b1ae54d293

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
behavioral1/memory/3940-115-0x0000000074090000-0x00000000740BD000-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 3540 wrote to memory of 3940	3540	rundll32.exe	rundll32.exe
PID 3540 wrote to memory of 3940	3540	rundll32.exe	rundll32.exe
PID 3540 wrote to memory of 3940	3540	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f8fee9387911560567176d5c0526ff8f2747d69144b9ecb9ed975feca21c57f7.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3540

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f8fee9387911560567176d5c0526ff8f2747d69144b9ecb9ed975feca21c57f7.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3940

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/3940-114-0x0000000000000000-mapping.dmp

Download
memory/3940-115-0x0000000074090000-0x00000000740BD000-memory.dmp

Filesize
180KB

Download
memory/3940-117-0x0000000000760000-0x0000000000766000-memory.dmp

Filesize
24KB

Download