dridex | 75259a1991727851f670309ebb9f06de207757648d540dd0e61538f9020c68f4

Analysis

max time kernel
72s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30/12/2024, 21:17

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General

Target

JaffaCakes118_75259a1991727851f670309ebb9f06de207757648d540dd0e61538f9020c68f4.dll
Size

204KB
MD5

abc2f00ead2613534b0ad38cb8b376a2
SHA1

836e0bce26994b31853f05d1495ce8ca92e47389
SHA256

75259a1991727851f670309ebb9f06de207757648d540dd0e61538f9020c68f4
SHA512

e7ff69c7e935edd0cc89496b029e62bc196fb2ff311662cc3578e989f9bb40bc5259e87b30fa647e6d00feff846a2c2756238537ec416860033e1a276764fa4a
SSDEEP

3072:8BHfDmTQoHJhc+1aImpJRxSmR7bVsSazalcBfc7Ivu5IMlZ:8BHLSc+wLJRHFVsSaGluUs25Iw

Score

10^/10

dridex 40112 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

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/2024-1-0x00000000750B0000-0x00000000750E5000-memory.dmp	dridex_ldr
behavioral1/memory/2024-2-0x00000000750B0000-0x00000000750E5000-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 1648 wrote to memory of 2024	1648	rundll32.exe	31
PID 1648 wrote to memory of 2024	1648	rundll32.exe	31
PID 1648 wrote to memory of 2024	1648	rundll32.exe	31
PID 1648 wrote to memory of 2024	1648	rundll32.exe	31
PID 1648 wrote to memory of 2024	1648	rundll32.exe	31
PID 1648 wrote to memory of 2024	1648	rundll32.exe	31
PID 1648 wrote to memory of 2024	1648	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_75259a1991727851f670309ebb9f06de207757648d540dd0e61538f9020c68f4.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1648
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_75259a1991727851f670309ebb9f06de207757648d540dd0e61538f9020c68f4.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2024

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/2024-0-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/2024-1-0x00000000750B0000-0x00000000750E5000-memory.dmp

Filesize
212KB

Download
memory/2024-3-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/2024-2-0x00000000750B0000-0x00000000750E5000-memory.dmp

Filesize
212KB

Download