dridex | 15e42b9b2025de588ed5f0656ab7c53ea4cb73dea74552034e7ae9689c397a55

Analysis

max time kernel
19s
max time network
112s
platform
windows10_x64
resource
win10v20210410
submitted
24-06-2021 19:33

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General

Target

15e42b9b2025de588ed5f0656ab7c53ea4cb73dea74552034e7ae9689c397a55.dll
Size

158KB
MD5

dc3a7e8c2af10806d6a408fcb719b513
SHA1

13f3b1e338432e1e9d7b55c8c2bfee9507480af9
SHA256

15e42b9b2025de588ed5f0656ab7c53ea4cb73dea74552034e7ae9689c397a55
SHA512

51fbf1d39f3a9efbf66f35c5899be3704111dd61216eee81a5c4ea610864fc6a6e24f0f75a38fd1585f1e0d9b72d899e0e140bce1113d727fbef19b42238d297

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/4024-115-0x0000000073A70000-0x0000000073A9D000-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 1868 wrote to memory of 4024	1868	rundll32.exe	rundll32.exe
PID 1868 wrote to memory of 4024	1868	rundll32.exe	rundll32.exe
PID 1868 wrote to memory of 4024	1868	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\15e42b9b2025de588ed5f0656ab7c53ea4cb73dea74552034e7ae9689c397a55.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1868

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\15e42b9b2025de588ed5f0656ab7c53ea4cb73dea74552034e7ae9689c397a55.dll,#1
2⤵
- Checks whether UAC is enabled
PID:4024

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/4024-114-0x0000000000000000-mapping.dmp

Download
memory/4024-115-0x0000000073A70000-0x0000000073A9D000-memory.dmp

Filesize
180KB

Download
memory/4024-117-0x0000000004960000-0x0000000004966000-memory.dmp

Filesize
24KB

Download