dridex | b2117d6398ed4915c29cd6f80ef88d2c23f9d191c2cb7de5fa6a877459a89911

Analysis

max time kernel
60s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30/12/2024, 06:12

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General

Target

JaffaCakes118_b2117d6398ed4915c29cd6f80ef88d2c23f9d191c2cb7de5fa6a877459a89911.dll
Size

204KB
MD5

da73d22701e13cddde5be532ca965802
SHA1

5470fcee6c8a5072da1f1270fb89e4b9b70826ab
SHA256

b2117d6398ed4915c29cd6f80ef88d2c23f9d191c2cb7de5fa6a877459a89911
SHA512

946116adb949d946c690560fd166b6cfabb9faa700cd1d44d906780fe4eaa8d8683fb41d1a965c78839444ada1cdde46ecf98440212f47bde2b274f34ba55a7f
SSDEEP

3072:K6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:KZuX6pEaeEDheWa+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/1112-0-0x0000000074810000-0x0000000074845000-memory.dmp	dridex_ldr
behavioral1/memory/1112-3-0x0000000074810000-0x0000000074845000-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 2528 wrote to memory of 1112	2528	rundll32.exe	30
PID 2528 wrote to memory of 1112	2528	rundll32.exe	30
PID 2528 wrote to memory of 1112	2528	rundll32.exe	30
PID 2528 wrote to memory of 1112	2528	rundll32.exe	30
PID 2528 wrote to memory of 1112	2528	rundll32.exe	30
PID 2528 wrote to memory of 1112	2528	rundll32.exe	30
PID 2528 wrote to memory of 1112	2528	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b2117d6398ed4915c29cd6f80ef88d2c23f9d191c2cb7de5fa6a877459a89911.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2528
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b2117d6398ed4915c29cd6f80ef88d2c23f9d191c2cb7de5fa6a877459a89911.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:1112

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/1112-0-0x0000000074810000-0x0000000074845000-memory.dmp

Filesize
212KB

Download
memory/1112-2-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1112-3-0x0000000074810000-0x0000000074845000-memory.dmp

Filesize
212KB

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