dridex | 35b0f50b9df717fc9e5eb5913366c2899f418656f760581855bc3a5aa52abcb3

Analysis

max time kernel
42s
max time network
59s
platform
windows10_x64
resource
win10v20210408
submitted
11-05-2021 13:15

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General

Target

35b0f50b9df717fc9e5eb5913366c2899f418656f760581855bc3a5aa52abcb3.dll
Size

158KB
MD5

86f6b9c74cc2ba31e29c6559150422ce
SHA1

becfe78879a79c81b97c44521a0331270c29dc4f
SHA256

35b0f50b9df717fc9e5eb5913366c2899f418656f760581855bc3a5aa52abcb3
SHA512

0fb4cafd72462dda83f62fcbd570d9c2bae428d5a8d58fe3841df417321a13ee18d3f837fc92d6e6ef6faeb2867d033b954e656f9b19e8e08a777d9b7bfe92e9

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

8.210.53.215:443

72.249.22.245:2303

188.40.137.206:8172

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
behavioral1/memory/784-115-0x0000000073890000-0x00000000738BD000-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 2840 wrote to memory of 784	2840	rundll32.exe	rundll32.exe
PID 2840 wrote to memory of 784	2840	rundll32.exe	rundll32.exe
PID 2840 wrote to memory of 784	2840	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\35b0f50b9df717fc9e5eb5913366c2899f418656f760581855bc3a5aa52abcb3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2840

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\35b0f50b9df717fc9e5eb5913366c2899f418656f760581855bc3a5aa52abcb3.dll,#1
2⤵
- Checks whether UAC is enabled
PID:784

Network

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/784-114-0x0000000000000000-mapping.dmp

Download
memory/784-115-0x0000000073890000-0x00000000738BD000-memory.dmp

Filesize
180KB

Download
memory/784-117-0x00000000011C0000-0x00000000011C6000-memory.dmp

Filesize
24KB

Download