dridex | 3664fb44fd707793ae4c4adf70feadf44b51e4da0e2227bd61e009d3cbb51452

Analysis

max time kernel
22s
max time network
10s
platform
windows7_x64
resource
win7v20210410
submitted
21-04-2021 15:56

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General

Target

3664fb44fd707793ae4c4adf70feadf44b51e4da0e2227bd61e009d3cbb51452.dll
Size

160KB
MD5

97ca2afa561f553be79c557dfce7d770
SHA1

26ad75a715932565b3e21d8af0a1e181f2c42654
SHA256

3664fb44fd707793ae4c4adf70feadf44b51e4da0e2227bd61e009d3cbb51452
SHA512

96c2c267d573391b68397e9775d73a9627f198a9840624c7b52db9100c6bec5c9251d6fcf901919222f82886a23e201a7669be0a7226d0998dd299701edd1018

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

94.247.168.64:443

159.203.93.122:8172

50.116.27.97:2303

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/1240-61-0x00000000750F0000-0x000000007511E000-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 2036 wrote to memory of 1240	2036	rundll32.exe	rundll32.exe
PID 2036 wrote to memory of 1240	2036	rundll32.exe	rundll32.exe
PID 2036 wrote to memory of 1240	2036	rundll32.exe	rundll32.exe
PID 2036 wrote to memory of 1240	2036	rundll32.exe	rundll32.exe
PID 2036 wrote to memory of 1240	2036	rundll32.exe	rundll32.exe
PID 2036 wrote to memory of 1240	2036	rundll32.exe	rundll32.exe
PID 2036 wrote to memory of 1240	2036	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3664fb44fd707793ae4c4adf70feadf44b51e4da0e2227bd61e009d3cbb51452.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2036

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3664fb44fd707793ae4c4adf70feadf44b51e4da0e2227bd61e009d3cbb51452.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1240

Network

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/1240-59-0x0000000000000000-mapping.dmp

Download
memory/1240-60-0x0000000076281000-0x0000000076283000-memory.dmp

Filesize
8KB

Download
memory/1240-61-0x00000000750F0000-0x000000007511E000-memory.dmp

Filesize
184KB

Download
memory/1240-63-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download