dridex | 1ee607bb332f4725a08f305937b3cb79dcc68298bbcc2d09a5f214dbc2a99fa7

Analysis

max time kernel
28s
max time network
15s
platform
windows7_x64
resource
win7v20210410
submitted
11-05-2021 12:05

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General

Target

e37bd843_by_Libranalysis.dll
Size

162KB
MD5

e37bd843fd6157acaa8d143594c6c3e2
SHA1

dd759c07df8e2a395e1f6f8a580217b51cb65fbf
SHA256

1ee607bb332f4725a08f305937b3cb79dcc68298bbcc2d09a5f214dbc2a99fa7
SHA512

364adc5fe22885b61188a428fc1f26617e6090414288d1331afaf85072d2f1dd90c7d8a057b25f84231edf732971db172f4927d8c909247f0b2f663a890921fd

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/1924-61-0x0000000075470000-0x000000007549E000-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 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 308 wrote to memory of 1924	308	rundll32.exe	rundll32.exe
PID 308 wrote to memory of 1924	308	rundll32.exe	rundll32.exe
PID 308 wrote to memory of 1924	308	rundll32.exe	rundll32.exe
PID 308 wrote to memory of 1924	308	rundll32.exe	rundll32.exe
PID 308 wrote to memory of 1924	308	rundll32.exe	rundll32.exe
PID 308 wrote to memory of 1924	308	rundll32.exe	rundll32.exe
PID 308 wrote to memory of 1924	308	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e37bd843_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:308

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e37bd843_by_Libranalysis.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1924

Network

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/1924-59-0x0000000000000000-mapping.dmp

Download
memory/1924-60-0x0000000075A31000-0x0000000075A33000-memory.dmp

Filesize
8KB

Download
memory/1924-61-0x0000000075470000-0x000000007549E000-memory.dmp

Filesize
184KB

Download
memory/1924-63-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download