dridex | 3b452ee45ed14fd39e23ea96775a553959cf125a5f3180452050387aaa087630

Analysis

max time kernel
23s
max time network
110s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 15:05

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General

Target

3b452ee45ed14fd39e23ea96775a553959cf125a5f3180452050387aaa087630.dll
Size

158KB
MD5

68d4addbe02cc512d5b9cd2da10ff6d0
SHA1

42cafeba42b3df16e4c0118bf94a49a0af822fed
SHA256

3b452ee45ed14fd39e23ea96775a553959cf125a5f3180452050387aaa087630
SHA512

58afb620bf37afd98eaae1957074a592565e1e37200b052a03cd1d9a5fb3327bf4e8dabf4280b680f9840644be2d4c9e9a5e85e307171d7e05678f3231d9b675

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
behavioral2/memory/3096-115-0x00000000735E0000-0x000000007360D000-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 3968 wrote to memory of 3096	3968	rundll32.exe	rundll32.exe
PID 3968 wrote to memory of 3096	3968	rundll32.exe	rundll32.exe
PID 3968 wrote to memory of 3096	3968	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3b452ee45ed14fd39e23ea96775a553959cf125a5f3180452050387aaa087630.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3968

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3b452ee45ed14fd39e23ea96775a553959cf125a5f3180452050387aaa087630.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3096

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/3096-114-0x0000000000000000-mapping.dmp

Download
memory/3096-115-0x00000000735E0000-0x000000007360D000-memory.dmp

Filesize
180KB

Download
memory/3096-117-0x0000000000B80000-0x0000000000B86000-memory.dmp

Filesize
24KB

Download