dridex | 389cee8b9539d2e517638201f62c3a351b90364a9a742cc898f340011b553dd4

Analysis

max time kernel
96s
max time network
120s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 23:23

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General

Target

JaffaCakes118_389cee8b9539d2e517638201f62c3a351b90364a9a742cc898f340011b553dd4.dll
Size

204KB
MD5

ead7eb8ef55c4bafd19645e01e1cd693
SHA1

6895d079b02f660cc80b73940201207a30f0693e
SHA256

389cee8b9539d2e517638201f62c3a351b90364a9a742cc898f340011b553dd4
SHA512

18aff58fb27fb1db8bc0fd7836f0936ded21efececaa07766d74872ae6f176a8de23e9768c3659097a9b28b304464646cdfe59c2eb08077ad1e197dfc87c644d
SSDEEP

3072:Y6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:YZuX6pEaeEDheWa+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/1280-1-0x0000000074F20000-0x0000000074F55000-memory.dmp	dridex_ldr
behavioral1/memory/1280-2-0x0000000074F20000-0x0000000074F55000-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 2068 wrote to memory of 1280	2068	rundll32.exe	31
PID 2068 wrote to memory of 1280	2068	rundll32.exe	31
PID 2068 wrote to memory of 1280	2068	rundll32.exe	31
PID 2068 wrote to memory of 1280	2068	rundll32.exe	31
PID 2068 wrote to memory of 1280	2068	rundll32.exe	31
PID 2068 wrote to memory of 1280	2068	rundll32.exe	31
PID 2068 wrote to memory of 1280	2068	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_389cee8b9539d2e517638201f62c3a351b90364a9a742cc898f340011b553dd4.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2068
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_389cee8b9539d2e517638201f62c3a351b90364a9a742cc898f340011b553dd4.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:1280

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/1280-0-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/1280-1-0x0000000074F20000-0x0000000074F55000-memory.dmp

Filesize
212KB

Download
memory/1280-3-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/1280-2-0x0000000074F20000-0x0000000074F55000-memory.dmp

Filesize
212KB

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