dridex | a96f41bbed7f502e9a2b1c9ee483bee50a6e6ee154cf650c5b4067c24b4c74c6

Analysis

max time kernel
77s
max time network
121s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
30/12/2024, 05:03

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General

Target

JaffaCakes118_a96f41bbed7f502e9a2b1c9ee483bee50a6e6ee154cf650c5b4067c24b4c74c6.dll
Size

154KB
MD5

d74eb0afc72c247de611c70c2718696a
SHA1

ee2b64c9040ba064a49ee9db69b7bb72c7cb2571
SHA256

a96f41bbed7f502e9a2b1c9ee483bee50a6e6ee154cf650c5b4067c24b4c74c6
SHA512

48a090a8dc7a88c08f90d4f3279d873d571ac3ab47ef2de5ae5b969ac4dae0321c72d43ab41b07281a56f21cd67d0e69d86a0ab00b261215f4b47397f127f9b4
SSDEEP

3072:lZ+9Q25AHEf/2gUU7uZAOCIB0IgESXZyX/sS5eqLrNWBC:0QeVf/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/2328-0-0x0000000075260000-0x000000007528D000-memory.dmp	dridex_ldr
behavioral1/memory/2328-3-0x0000000075260000-0x000000007528D000-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 2096 wrote to memory of 2328	2096	rundll32.exe	31
PID 2096 wrote to memory of 2328	2096	rundll32.exe	31
PID 2096 wrote to memory of 2328	2096	rundll32.exe	31
PID 2096 wrote to memory of 2328	2096	rundll32.exe	31
PID 2096 wrote to memory of 2328	2096	rundll32.exe	31
PID 2096 wrote to memory of 2328	2096	rundll32.exe	31
PID 2096 wrote to memory of 2328	2096	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a96f41bbed7f502e9a2b1c9ee483bee50a6e6ee154cf650c5b4067c24b4c74c6.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2096
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a96f41bbed7f502e9a2b1c9ee483bee50a6e6ee154cf650c5b4067c24b4c74c6.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2328

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

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Downloads

memory/2328-0-0x0000000075260000-0x000000007528D000-memory.dmp

Filesize
180KB

Download
memory/2328-2-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/2328-3-0x0000000075260000-0x000000007528D000-memory.dmp

Filesize
180KB

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