dridex | 84bc9a6b1bbc698c14025ba9b20147e1bfd605e558f26b644570eded6caefce8

Analysis

max time kernel
125s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 21:22

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General

Target

JaffaCakes118_84bc9a6b1bbc698c14025ba9b20147e1bfd605e558f26b644570eded6caefce8.dll
Size

204KB
MD5

4bf06f0008ee8b827dce438a8393454d
SHA1

bafabec5b0d9756b363ff1353253a33d358180e4
SHA256

84bc9a6b1bbc698c14025ba9b20147e1bfd605e558f26b644570eded6caefce8
SHA512

081e6047d731a3ce760751aecb57a6fac9abc5d3432392bd7522274a145ae15ed704996cc46627a3d38e0e48a591e301a919fde8f7d6aee6b64b73db8f4f63fd
SSDEEP

3072:w6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:wZuX6pEaeEDheWa+Jc9bhorfTw

Score

10^/10

dridex 40111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

45.58.56.12:443

162.241.54.59:6601

51.91.76.89:2303

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/2984-0-0x0000000074B40000-0x0000000074B75000-memory.dmp	dridex_ldr
behavioral1/memory/2984-3-0x0000000074B40000-0x0000000074B75000-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 1480 wrote to memory of 2984	1480	rundll32.exe	30
PID 1480 wrote to memory of 2984	1480	rundll32.exe	30
PID 1480 wrote to memory of 2984	1480	rundll32.exe	30
PID 1480 wrote to memory of 2984	1480	rundll32.exe	30
PID 1480 wrote to memory of 2984	1480	rundll32.exe	30
PID 1480 wrote to memory of 2984	1480	rundll32.exe	30
PID 1480 wrote to memory of 2984	1480	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_84bc9a6b1bbc698c14025ba9b20147e1bfd605e558f26b644570eded6caefce8.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1480
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_84bc9a6b1bbc698c14025ba9b20147e1bfd605e558f26b644570eded6caefce8.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2984

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/2984-0-0x0000000074B40000-0x0000000074B75000-memory.dmp

Filesize
212KB

Download
memory/2984-2-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/2984-3-0x0000000074B40000-0x0000000074B75000-memory.dmp

Filesize
212KB

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