dridex | c4645a7d4b1c9ad1e362468cdfb9ec688278f72bafa0b8be22d5cafb20f0aa76

Analysis

max time kernel
19s
max time network
112s
platform
windows10_x64
resource
win10v20210410
submitted
21-06-2021 11:26

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General

Target

c4645a7d4b1c9ad1e362468cdfb9ec688278f72bafa0b8be22d5cafb20f0aa76.dll
Size

160KB
MD5

8e60f170f1d6f8d0d2e4fffbf8e788d9
SHA1

0d2c4015ccd28668896fbb4f6bc3d9fa65015356
SHA256

c4645a7d4b1c9ad1e362468cdfb9ec688278f72bafa0b8be22d5cafb20f0aa76
SHA512

0de1b2f6cd89bddd34812bd6ec26323b86aee8413abf5d292561c7f127e0c310164c9177008d6672ffbeeec850150ccd824ed25b4ef8a850501ef9611e331899

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/4024-115-0x0000000073A70000-0x0000000073A9E000-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 1868 wrote to memory of 4024	1868	rundll32.exe	rundll32.exe
PID 1868 wrote to memory of 4024	1868	rundll32.exe	rundll32.exe
PID 1868 wrote to memory of 4024	1868	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c4645a7d4b1c9ad1e362468cdfb9ec688278f72bafa0b8be22d5cafb20f0aa76.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1868

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c4645a7d4b1c9ad1e362468cdfb9ec688278f72bafa0b8be22d5cafb20f0aa76.dll,#1
2⤵
- Checks whether UAC is enabled
PID:4024

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/4024-114-0x0000000000000000-mapping.dmp

Download
memory/4024-115-0x0000000073A70000-0x0000000073A9E000-memory.dmp

Filesize
184KB

Download
memory/4024-117-0x0000000002E70000-0x0000000002FBA000-memory.dmp

Filesize
1.3MB

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