dridex | f504c6cdeb527c58530012f6974b9453933049bb053498b79482ab12a3504f78

Analysis

max time kernel
112s
max time network
114s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 18:10

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General

Target

f504c6cdeb527c58530012f6974b9453933049bb053498b79482ab12a3504f78.dll
Size

154KB
MD5

13b56c94a70eb569fe53037dcbd22b85
SHA1

97289a35eb77753e11d84dffcbfc74b992c3890f
SHA256

f504c6cdeb527c58530012f6974b9453933049bb053498b79482ab12a3504f78
SHA512

ca973431653d7a1a5c53281c0869f402d80c33e92731930b95b7547c1beca7c57f2f0011c7e51c53bbf8510244d450896dbf1bd300a515450e1314f3d09b3010

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/4772-115-0x0000000073C30000-0x0000000073C5D000-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 4660 wrote to memory of 4772	4660	rundll32.exe	rundll32.exe
PID 4660 wrote to memory of 4772	4660	rundll32.exe	rundll32.exe
PID 4660 wrote to memory of 4772	4660	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f504c6cdeb527c58530012f6974b9453933049bb053498b79482ab12a3504f78.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4660

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f504c6cdeb527c58530012f6974b9453933049bb053498b79482ab12a3504f78.dll,#1
2⤵
- Checks whether UAC is enabled
PID:4772

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/4772-114-0x0000000000000000-mapping.dmp

Download
memory/4772-115-0x0000000073C30000-0x0000000073C5D000-memory.dmp

Filesize
180KB

Download
memory/4772-117-0x0000000000A30000-0x0000000000ADE000-memory.dmp

Filesize
696KB

Download