dridex | 2a622bbd4c8d5a7f121cd21e4f7669db2c6f9429090f4279e1d29f3027dcb668

Analysis

max time kernel
19s
max time network
110s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 17:33

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General

Target

2a622bbd4c8d5a7f121cd21e4f7669db2c6f9429090f4279e1d29f3027dcb668.dll
Size

162KB
MD5

88984af258ad8c68a69a60f3cb7f883a
SHA1

c4ae68808d395e17f4ccf02354bb3f4fb8db6714
SHA256

2a622bbd4c8d5a7f121cd21e4f7669db2c6f9429090f4279e1d29f3027dcb668
SHA512

ac8b021da935362097a914d2e2b0c0d2d5820f4221b744769246193e23010a5e1e2d3ab5825ae326b5986a6bf42264e6c4a273873f379c8c23882b864c6a5ea2

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

107.172.227.10:443

172.93.133.123:2303

108.168.61.147:8172

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
behavioral2/memory/1724-115-0x0000000073A90000-0x0000000073ABE000-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 3904 wrote to memory of 1724	3904	rundll32.exe	rundll32.exe
PID 3904 wrote to memory of 1724	3904	rundll32.exe	rundll32.exe
PID 3904 wrote to memory of 1724	3904	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2a622bbd4c8d5a7f121cd21e4f7669db2c6f9429090f4279e1d29f3027dcb668.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3904

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2a622bbd4c8d5a7f121cd21e4f7669db2c6f9429090f4279e1d29f3027dcb668.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1724

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/1724-114-0x0000000000000000-mapping.dmp

Download
memory/1724-115-0x0000000073A90000-0x0000000073ABE000-memory.dmp

Filesize
184KB

Download
memory/1724-117-0x0000000000600000-0x00000000006AE000-memory.dmp

Filesize
696KB

Download