dridex | 787f05a96aa308f41e9a6f504b90cd952265e844d7c6031bf2e6d8728696d3d1

Analysis

max time kernel
20s
max time network
113s
platform
windows10_x64
resource
win10v20210410
submitted
25-06-2021 19:28

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General

Target

787f05a96aa308f41e9a6f504b90cd952265e844d7c6031bf2e6d8728696d3d1.dll
Size

160KB
MD5

c67809767dffe7b6357f81d7379ac734
SHA1

971f85dc15cfe28af1cb13d04beea82a0d23cdd1
SHA256

787f05a96aa308f41e9a6f504b90cd952265e844d7c6031bf2e6d8728696d3d1
SHA512

1e01efc9b5a7a82c6514a5130cfcf7f32b3e7a2e283fcd198a76d58afeeb510db75e8e3f1b232cd19c3fced52a94400cd85c55c873d58c75c283ffe6387c2dc9

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/788-115-0x00000000735D0000-0x00000000735FE000-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 3916 wrote to memory of 788	3916	rundll32.exe	rundll32.exe
PID 3916 wrote to memory of 788	3916	rundll32.exe	rundll32.exe
PID 3916 wrote to memory of 788	3916	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\787f05a96aa308f41e9a6f504b90cd952265e844d7c6031bf2e6d8728696d3d1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3916

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\787f05a96aa308f41e9a6f504b90cd952265e844d7c6031bf2e6d8728696d3d1.dll,#1
2⤵
- Checks whether UAC is enabled
PID:788

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/788-114-0x0000000000000000-mapping.dmp

Download
memory/788-115-0x00000000735D0000-0x00000000735FE000-memory.dmp

Filesize
184KB

Download
memory/788-117-0x0000000003280000-0x000000000332E000-memory.dmp

Filesize
696KB

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