dridex | 080e583a885d8e7087b87547f52b60a6cfc41ebb1d5864a9983100b6f54d6b11

Analysis

max time kernel
115s
max time network
115s
platform
windows10_x64
resource
win10v20210410
submitted
11-05-2021 13:12

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General

Target

080e583a885d8e7087b87547f52b60a6cfc41ebb1d5864a9983100b6f54d6b11.dll
Size

162KB
MD5

f579b187432e6238128cd004e8c6d372
SHA1

253609a2242ca25fcace2852e6062a68ef2d0545
SHA256

080e583a885d8e7087b87547f52b60a6cfc41ebb1d5864a9983100b6f54d6b11
SHA512

f912da579be094f86b5b055f0c81da5d9e1addef1fc0bc0a377ba6e8f502d9be036d112fb530aef274686e05a0b33adf33635e73f2ba60ad738acf3268dd1078

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
behavioral1/memory/3908-115-0x0000000073A10000-0x0000000073A3E000-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 3896 wrote to memory of 3908	3896	rundll32.exe	rundll32.exe
PID 3896 wrote to memory of 3908	3896	rundll32.exe	rundll32.exe
PID 3896 wrote to memory of 3908	3896	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\080e583a885d8e7087b87547f52b60a6cfc41ebb1d5864a9983100b6f54d6b11.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3896

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\080e583a885d8e7087b87547f52b60a6cfc41ebb1d5864a9983100b6f54d6b11.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3908

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/3908-114-0x0000000000000000-mapping.dmp

Download
memory/3908-115-0x0000000073A10000-0x0000000073A3E000-memory.dmp

Filesize
184KB

Download
memory/3908-117-0x0000000000810000-0x0000000000816000-memory.dmp

Filesize
24KB

Download