dridex | 37b18254b690744897e2793661cc7e6f30e99e5789d4a061cc254715b8b70de8

Analysis

max time kernel
63s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 18:01

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General

Target

JaffaCakes118_37b18254b690744897e2793661cc7e6f30e99e5789d4a061cc254715b8b70de8.dll
Size

154KB
MD5

80cab2983be7e8013c6af89138fd36fc
SHA1

fd305280587ff4d08e4c8d6256e3f42cb5581713
SHA256

37b18254b690744897e2793661cc7e6f30e99e5789d4a061cc254715b8b70de8
SHA512

54dcce97c3e9c8ede1fd3bc5964e7a94719f34d535d9c435ca2554ac88cdc85f9e16062f625dade464732d2d9814b72f49d85ee379c37112fce3d5bbd40c704d
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/2632-1-0x0000000074DF0000-0x0000000074E1D000-memory.dmp	dridex_ldr
behavioral1/memory/2632-2-0x0000000074DF0000-0x0000000074E1D000-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 3004 wrote to memory of 2632	3004	rundll32.exe	30
PID 3004 wrote to memory of 2632	3004	rundll32.exe	30
PID 3004 wrote to memory of 2632	3004	rundll32.exe	30
PID 3004 wrote to memory of 2632	3004	rundll32.exe	30
PID 3004 wrote to memory of 2632	3004	rundll32.exe	30
PID 3004 wrote to memory of 2632	3004	rundll32.exe	30
PID 3004 wrote to memory of 2632	3004	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37b18254b690744897e2793661cc7e6f30e99e5789d4a061cc254715b8b70de8.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3004
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37b18254b690744897e2793661cc7e6f30e99e5789d4a061cc254715b8b70de8.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2632

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/2632-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2632-1-0x0000000074DF0000-0x0000000074E1D000-memory.dmp

Filesize
180KB

Download
memory/2632-2-0x0000000074DF0000-0x0000000074E1D000-memory.dmp

Filesize
180KB

Download
memory/2632-3-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

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