dridex | 2bcb8ea79ec0ab93f79a0f9b66d9e326de7017b7f42f82780303987f9ee3e4b6

Analysis

max time kernel
18s
max time network
112s
platform
windows10_x64
resource
win10v20210410
submitted
25-06-2021 14:22

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General

Target

2bcb8ea79ec0ab93f79a0f9b66d9e326de7017b7f42f82780303987f9ee3e4b6.dll
Size

160KB
MD5

7b7676df33d5ed2e106ebb0f374fde95
SHA1

b8ab110f85d26565bbd9b46c0712bfd763907f04
SHA256

2bcb8ea79ec0ab93f79a0f9b66d9e326de7017b7f42f82780303987f9ee3e4b6
SHA512

c677547d43b9ba314f332111797f1e722c09bc23c2665043e5f9a2f6a68a99f58dad5c7c28a1c7c3a8f21c2e01fc7af624ce0180bb738baf14746ce3d3723f2a

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/1884-115-0x0000000073B80000-0x0000000073BAE000-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 4056 wrote to memory of 1884	4056	rundll32.exe	rundll32.exe
PID 4056 wrote to memory of 1884	4056	rundll32.exe	rundll32.exe
PID 4056 wrote to memory of 1884	4056	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2bcb8ea79ec0ab93f79a0f9b66d9e326de7017b7f42f82780303987f9ee3e4b6.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4056

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2bcb8ea79ec0ab93f79a0f9b66d9e326de7017b7f42f82780303987f9ee3e4b6.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1884

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/1884-114-0x0000000000000000-mapping.dmp

Download
memory/1884-115-0x0000000073B80000-0x0000000073BAE000-memory.dmp

Filesize
184KB

Download
memory/1884-117-0x0000000000920000-0x0000000000A6A000-memory.dmp

Filesize
1.3MB

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