dridex | e9d8cf5fcb8e808b04e588c048f0c3169753303b8d3b970c5785bd96213b318b

Analysis

max time kernel
38s
max time network
11s
platform
windows7_x64
resource
win7v20210408
submitted
21-04-2021 18:18

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General

Target

e9d8cf5fcb8e808b04e588c048f0c3169753303b8d3b970c5785bd96213b318b.dll
Size

154KB
MD5

6c23a8e7961c47f9e1c314053fd6a613
SHA1

4588406b8c6b7330ff154d3170d3048b0543f478
SHA256

e9d8cf5fcb8e808b04e588c048f0c3169753303b8d3b970c5785bd96213b318b
SHA512

3d9de094311f591ee65b0ee0fda1907ce07eb87ecdea53181cc60ad3de5b243a2332b1797b3b2c65e709e3a23b321abb1ef85c5fb1600f0b368af9978af6dc1d

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/1496-62-0x0000000075290000-0x00000000752BD000-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 1684 wrote to memory of 1496	1684	rundll32.exe	rundll32.exe
PID 1684 wrote to memory of 1496	1684	rundll32.exe	rundll32.exe
PID 1684 wrote to memory of 1496	1684	rundll32.exe	rundll32.exe
PID 1684 wrote to memory of 1496	1684	rundll32.exe	rundll32.exe
PID 1684 wrote to memory of 1496	1684	rundll32.exe	rundll32.exe
PID 1684 wrote to memory of 1496	1684	rundll32.exe	rundll32.exe
PID 1684 wrote to memory of 1496	1684	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e9d8cf5fcb8e808b04e588c048f0c3169753303b8d3b970c5785bd96213b318b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1684

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e9d8cf5fcb8e808b04e588c048f0c3169753303b8d3b970c5785bd96213b318b.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1496

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/1496-60-0x0000000000000000-mapping.dmp

Download
memory/1496-61-0x0000000075B31000-0x0000000075B33000-memory.dmp

Filesize
8KB

Download
memory/1496-62-0x0000000075290000-0x00000000752BD000-memory.dmp

Filesize
180KB

Download
memory/1496-64-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download