dridex | 1f25d16934a430dd692340d71db00a8944c50fbad25f111b88e471d67e3c2b70

Analysis

max time kernel
36s
max time network
44s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 15:09

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General

Target

1f25d16934a430dd692340d71db00a8944c50fbad25f111b88e471d67e3c2b70.dll
Size

158KB
MD5

045091c7f065f9228fc9de63f4a35e34
SHA1

92a772d52c632cab7b215eac6d8cacc906d168af
SHA256

1f25d16934a430dd692340d71db00a8944c50fbad25f111b88e471d67e3c2b70
SHA512

d7def41a6dce10376ef37a031f0b3deac306b4fe53012707cc636d940287612152d2907326390dff51969fb74f619c91753cf0f230a46cf71e18ecc412bf378b

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

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/4736-115-0x0000000073C30000-0x0000000073C5D000-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 4660 wrote to memory of 4736	4660	rundll32.exe	rundll32.exe
PID 4660 wrote to memory of 4736	4660	rundll32.exe	rundll32.exe
PID 4660 wrote to memory of 4736	4660	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1f25d16934a430dd692340d71db00a8944c50fbad25f111b88e471d67e3c2b70.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4660

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1f25d16934a430dd692340d71db00a8944c50fbad25f111b88e471d67e3c2b70.dll,#1
2⤵
- Checks whether UAC is enabled
PID:4736

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/4736-114-0x0000000000000000-mapping.dmp

Download
memory/4736-115-0x0000000073C30000-0x0000000073C5D000-memory.dmp

Filesize
180KB

Download
memory/4736-117-0x00000000005D0000-0x00000000005D6000-memory.dmp

Filesize
24KB

Download