dridex | 7380d77c0a1702bc85794a7849d7450997460251dd0e3082f31028e9e30ccc7a

Analysis

max time kernel
27s
max time network
9s
platform
windows7_x64
resource
win7v20210408
submitted
21-04-2021 16:57

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General

Target

7380d77c0a1702bc85794a7849d7450997460251dd0e3082f31028e9e30ccc7a.dll
Size

160KB
MD5

7614d27d40c146c17d3ab32b5387bf2a
SHA1

a40d85ce325bef1ec509776c615770b25bd67974
SHA256

7380d77c0a1702bc85794a7849d7450997460251dd0e3082f31028e9e30ccc7a
SHA512

1eb8fec01d7d60f40a86beafd26c4c2ba55963cbea1b5f9f65eb250a2fdc6f7f865fd0a34fe6fdb774b38dade44f15e1d75c5f13fc2b79ae41d6b6226f5f7974

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/2044-62-0x0000000074680000-0x00000000746AE000-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 1652 wrote to memory of 2044	1652	rundll32.exe	rundll32.exe
PID 1652 wrote to memory of 2044	1652	rundll32.exe	rundll32.exe
PID 1652 wrote to memory of 2044	1652	rundll32.exe	rundll32.exe
PID 1652 wrote to memory of 2044	1652	rundll32.exe	rundll32.exe
PID 1652 wrote to memory of 2044	1652	rundll32.exe	rundll32.exe
PID 1652 wrote to memory of 2044	1652	rundll32.exe	rundll32.exe
PID 1652 wrote to memory of 2044	1652	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7380d77c0a1702bc85794a7849d7450997460251dd0e3082f31028e9e30ccc7a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1652

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7380d77c0a1702bc85794a7849d7450997460251dd0e3082f31028e9e30ccc7a.dll,#1
2⤵
- Checks whether UAC is enabled
PID:2044

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/2044-60-0x0000000000000000-mapping.dmp

Download
memory/2044-61-0x00000000754F1000-0x00000000754F3000-memory.dmp

Filesize
8KB

Download
memory/2044-62-0x0000000074680000-0x00000000746AE000-memory.dmp

Filesize
184KB

Download
memory/2044-64-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download