dridex | 6cf1fa9445a3d3b6d7959db441452bd749e40d731ab4d62ec0f738e4f97665c6

Analysis

max time kernel
77s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 19:55

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General

Target

JaffaCakes118_6cf1fa9445a3d3b6d7959db441452bd749e40d731ab4d62ec0f738e4f97665c6.dll
Size

204KB
MD5

e05ea9eccbf7fe49ceef198ed357a8f2
SHA1

6914576203095f9fee57776d72995c7f14e02a9f
SHA256

6cf1fa9445a3d3b6d7959db441452bd749e40d731ab4d62ec0f738e4f97665c6
SHA512

e69d1b1310102955a1738ec3fce5231466dec0bb083adcb79d722d956cbc19ce71d93b1caa6bb022e1e835e0f453241d2f34f73bcd486d9c68c8fe541ca92962
SSDEEP

3072:J6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:JZuX6pEaeEDheWa+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/1752-1-0x0000000074620000-0x0000000074655000-memory.dmp	dridex_ldr
behavioral1/memory/1752-4-0x0000000074620000-0x0000000074655000-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 2580 wrote to memory of 1752	2580	rundll32.exe	30
PID 2580 wrote to memory of 1752	2580	rundll32.exe	30
PID 2580 wrote to memory of 1752	2580	rundll32.exe	30
PID 2580 wrote to memory of 1752	2580	rundll32.exe	30
PID 2580 wrote to memory of 1752	2580	rundll32.exe	30
PID 2580 wrote to memory of 1752	2580	rundll32.exe	30
PID 2580 wrote to memory of 1752	2580	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6cf1fa9445a3d3b6d7959db441452bd749e40d731ab4d62ec0f738e4f97665c6.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2580
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6cf1fa9445a3d3b6d7959db441452bd749e40d731ab4d62ec0f738e4f97665c6.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:1752

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/1752-0-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/1752-1-0x0000000074620000-0x0000000074655000-memory.dmp

Filesize
212KB

Download
memory/1752-3-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/1752-4-0x0000000074620000-0x0000000074655000-memory.dmp

Filesize
212KB

Download