dridex | d61ad6ab95c7a22c9a469a82e3b0a8ab68fd4d4e1b300267a51f334365aec321

Analysis

max time kernel
112s
max time network
121s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 23:47

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General

Target

JaffaCakes118_d61ad6ab95c7a22c9a469a82e3b0a8ab68fd4d4e1b300267a51f334365aec321.dll
Size

154KB
MD5

9eb29a2b9c781956cc3268ee11756655
SHA1

3141374606379acbe6203845bb33d11f34cd1cf8
SHA256

d61ad6ab95c7a22c9a469a82e3b0a8ab68fd4d4e1b300267a51f334365aec321
SHA512

b9e340f01d6526a744348da1319f6857a8abbc60441ca206bd1b3714b6bc2a575dfc6afdf31b55ae9c7e18826e72300b1e67e0b9bc127c1ffe397ac09f6a13ae
SSDEEP

3072:zZ+9Q25AHEf/2gUU7uZAOCIB0IgESXZyX/sS5eqLrNWBC:iQeVf/2gUU76rDeIgESXZmYYa

Score

10^/10

dridex 40111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

159.8.59.82:443

51.91.156.39:2303

67.196.50.240:8172

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex
Dridex family
dridex

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2816-1-0x00000000748B0000-0x00000000748DD000-memory.dmp	dridex_ldr
behavioral1/memory/2816-2-0x00000000748B0000-0x00000000748DD000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2828 wrote to memory of 2816	2828	rundll32.exe	30
PID 2828 wrote to memory of 2816	2828	rundll32.exe	30
PID 2828 wrote to memory of 2816	2828	rundll32.exe	30
PID 2828 wrote to memory of 2816	2828	rundll32.exe	30
PID 2828 wrote to memory of 2816	2828	rundll32.exe	30
PID 2828 wrote to memory of 2816	2828	rundll32.exe	30
PID 2828 wrote to memory of 2816	2828	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d61ad6ab95c7a22c9a469a82e3b0a8ab68fd4d4e1b300267a51f334365aec321.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2828
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d61ad6ab95c7a22c9a469a82e3b0a8ab68fd4d4e1b300267a51f334365aec321.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2816

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2816-0-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download
memory/2816-1-0x00000000748B0000-0x00000000748DD000-memory.dmp

Filesize
180KB

Download
memory/2816-2-0x00000000748B0000-0x00000000748DD000-memory.dmp

Filesize
180KB

Download
memory/2816-3-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

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