dridex | 5211fc2580be168c3f899eed4f44a926e5583c5a742102b64fab30cf6f58a3fc

Analysis

max time kernel
65s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30/12/2024, 17:14

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General

Target

JaffaCakes118_5211fc2580be168c3f899eed4f44a926e5583c5a742102b64fab30cf6f58a3fc.dll
Size

204KB
MD5

3e91a3a5ee990c5c1f813fab7254e01e
SHA1

f892d2728ad65c73855a50045c49e495f282023c
SHA256

5211fc2580be168c3f899eed4f44a926e5583c5a742102b64fab30cf6f58a3fc
SHA512

2fb43c427c1d018406aaba9de5a9a3127d361d448038bf5d93bd395f565c120217d467da721158c834881dd19f11bc47a5e4d7c2faa212a5fd5e0065a4c23ca8
SSDEEP

3072:q6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:qZuX6pEaeEDheWa+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/1732-0-0x0000000074F80000-0x0000000074FB5000-memory.dmp	dridex_ldr
behavioral1/memory/1732-3-0x0000000074F80000-0x0000000074FB5000-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 2084 wrote to memory of 1732	2084	rundll32.exe	30
PID 2084 wrote to memory of 1732	2084	rundll32.exe	30
PID 2084 wrote to memory of 1732	2084	rundll32.exe	30
PID 2084 wrote to memory of 1732	2084	rundll32.exe	30
PID 2084 wrote to memory of 1732	2084	rundll32.exe	30
PID 2084 wrote to memory of 1732	2084	rundll32.exe	30
PID 2084 wrote to memory of 1732	2084	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5211fc2580be168c3f899eed4f44a926e5583c5a742102b64fab30cf6f58a3fc.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2084
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5211fc2580be168c3f899eed4f44a926e5583c5a742102b64fab30cf6f58a3fc.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:1732

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/1732-0-0x0000000074F80000-0x0000000074FB5000-memory.dmp

Filesize
212KB

Download
memory/1732-2-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1732-3-0x0000000074F80000-0x0000000074FB5000-memory.dmp

Filesize
212KB

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