dridex | e1e1557f2f18e1c730e535b0fe5a3a2cdfa20e3e642e9978c9ed08e8ccd36062

Analysis

max time kernel
27s
max time network
151s
platform
windows10_x64
resource
win10v20210408
submitted
21-06-2021 01:07

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General

Target

e1e1557f2f18e1c730e535b0fe5a3a2cdfa20e3e642e9978c9ed08e8ccd36062.dll
Size

162KB
MD5

4432ae42d0aa4ae3997c2f3987868cd6
SHA1

82bab6c56441936135acbaae3a040c69e6eed5fe
SHA256

e1e1557f2f18e1c730e535b0fe5a3a2cdfa20e3e642e9978c9ed08e8ccd36062
SHA512

b8bc6981b2314b7731d3b5d51b3673c6e24bf4440ae456469c572bfb1cbdc1a04ba016763d25384bad78529e1fc33ccd9376a09655721c6bb8d639af6ed69189

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

107.172.227.10:443

172.93.133.123:2303

108.168.61.147:8172

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/1192-115-0x0000000074450000-0x000000007447E000-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 644 wrote to memory of 1192	644	rundll32.exe	rundll32.exe
PID 644 wrote to memory of 1192	644	rundll32.exe	rundll32.exe
PID 644 wrote to memory of 1192	644	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e1e1557f2f18e1c730e535b0fe5a3a2cdfa20e3e642e9978c9ed08e8ccd36062.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:644

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e1e1557f2f18e1c730e535b0fe5a3a2cdfa20e3e642e9978c9ed08e8ccd36062.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1192

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/1192-114-0x0000000000000000-mapping.dmp

Download
memory/1192-115-0x0000000074450000-0x000000007447E000-memory.dmp

Filesize
184KB

Download
memory/1192-117-0x0000000000E60000-0x0000000000E66000-memory.dmp

Filesize
24KB

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