dridex | 91deb8a1c0558fd4167ed3febca34b30888d4f25b768d43479496849ef573444

Analysis

max time kernel
27s
max time network
136s
platform
windows10_x64
resource
win10v20210408
submitted
20-06-2021 23:03

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General

Target

91deb8a1c0558fd4167ed3febca34b30888d4f25b768d43479496849ef573444.dll
Size

162KB
MD5

f89ea4fb78abe917b87349c445741b13
SHA1

c153070e91145c614bdac243b41971bb2ff17361
SHA256

91deb8a1c0558fd4167ed3febca34b30888d4f25b768d43479496849ef573444
SHA512

f779e26ff8c7fbd0ac4a2f7e1c6ff216f77e1c44dcf0c5132464ce723a79618dd46804fcb3db65cf4a7959d78717e9b6b8bc1a14336c36ef0a81b491cb716b33

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/1180-115-0x0000000073D90000-0x0000000073DBE000-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 808 wrote to memory of 1180	808	rundll32.exe	rundll32.exe
PID 808 wrote to memory of 1180	808	rundll32.exe	rundll32.exe
PID 808 wrote to memory of 1180	808	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\91deb8a1c0558fd4167ed3febca34b30888d4f25b768d43479496849ef573444.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:808

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\91deb8a1c0558fd4167ed3febca34b30888d4f25b768d43479496849ef573444.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1180

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/1180-114-0x0000000000000000-mapping.dmp

Download
memory/1180-115-0x0000000073D90000-0x0000000073DBE000-memory.dmp

Filesize
184KB

Download
memory/1180-117-0x0000000002BC0000-0x0000000002BC6000-memory.dmp

Filesize
24KB

Download