dridex | 77ac7c3fe4961b05cb7f1729e4e36222ad88f0944c96f51cce56239473537d74

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-12-2024 16:16

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General

Target

JaffaCakes118_77ac7c3fe4961b05cb7f1729e4e36222ad88f0944c96f51cce56239473537d74.dll
Size

184KB
MD5

3a1f34c735358b8b3b667bd5fc17d2dc
SHA1

fe3c6d8fbada52d4218af6346c701856ff07257f
SHA256

77ac7c3fe4961b05cb7f1729e4e36222ad88f0944c96f51cce56239473537d74
SHA512

3564a947a5ae41b32153b8211beaf69f80d66e9a00573d2365e846a28ba19ea4229352f2efbd6bd8ff6adc8f1fcfcbf89948da444023dad9fe6f89b8152fd9f1
SSDEEP

3072:liLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoElzoxss7:liLVCIT4WK2z1W+CUHZj4Skq/eao6oC

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
behavioral2/memory/1476-0-0x0000000074C90000-0x0000000074CBF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1472	1476	WerFault.exe	83

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 3 IoCs

description	pid	Process	procid_target
PID 4296 wrote to memory of 1476	4296	rundll32.exe	83
PID 4296 wrote to memory of 1476	4296	rundll32.exe	83
PID 4296 wrote to memory of 1476	4296	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_77ac7c3fe4961b05cb7f1729e4e36222ad88f0944c96f51cce56239473537d74.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4296
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_77ac7c3fe4961b05cb7f1729e4e36222ad88f0944c96f51cce56239473537d74.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1476
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1476 -s 616
    3⤵
    - Program crash
    PID:1472

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1476 -ip 1476
1⤵
PID:1504

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/1476-1-0x0000000001570000-0x0000000001576000-memory.dmp

Filesize
24KB

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memory/1476-0-0x0000000074C90000-0x0000000074CBF000-memory.dmp

Filesize
188KB

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