dridex | 2b32c7e8439f03b7739291ed978e1055c1e43c7a3e18974e2f9155b6b2702942

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-12-2024 13:54

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General

Target

JaffaCakes118_2b32c7e8439f03b7739291ed978e1055c1e43c7a3e18974e2f9155b6b2702942.dll
Size

184KB
MD5

329515aa88c1609fe40576e2fa9af4a0
SHA1

50ed6009b01023cc01e570ef5e4ae1dc195438ae
SHA256

2b32c7e8439f03b7739291ed978e1055c1e43c7a3e18974e2f9155b6b2702942
SHA512

3476cb33208eafabe6e83970e624db381e5cdc133378d0f9db8cff86682d86f2a0f019129db89e122325bcbed80cd0f1a6bac4b0887ec863c37728d021e988e5
SSDEEP

3072:riLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaollzoxss7:riLVCIT4WK2z1W+CUHZj4Skq/eaoroC

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

80.241.218.90:443

103.161.172.109:13786

87.98.128.76:5723

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 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2524-1-0x0000000074C60000-0x0000000074C8F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2348	2524	WerFault.exe	31

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 11 IoCs

description	pid	Process	procid_target
PID 2084 wrote to memory of 2524	2084	rundll32.exe	31
PID 2084 wrote to memory of 2524	2084	rundll32.exe	31
PID 2084 wrote to memory of 2524	2084	rundll32.exe	31
PID 2084 wrote to memory of 2524	2084	rundll32.exe	31
PID 2084 wrote to memory of 2524	2084	rundll32.exe	31
PID 2084 wrote to memory of 2524	2084	rundll32.exe	31
PID 2084 wrote to memory of 2524	2084	rundll32.exe	31
PID 2524 wrote to memory of 2348	2524	rundll32.exe	32
PID 2524 wrote to memory of 2348	2524	rundll32.exe	32
PID 2524 wrote to memory of 2348	2524	rundll32.exe	32
PID 2524 wrote to memory of 2348	2524	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2b32c7e8439f03b7739291ed978e1055c1e43c7a3e18974e2f9155b6b2702942.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2084
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2b32c7e8439f03b7739291ed978e1055c1e43c7a3e18974e2f9155b6b2702942.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2524
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2524 -s 220
    3⤵
    - Program crash
    PID:2348

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2524-0-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/2524-1-0x0000000074C60000-0x0000000074C8F000-memory.dmp

Filesize
188KB

Download
memory/2524-4-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download