dridex | 81b855ca3e35e2abbba8de17aaaf5e9772eda86eb0f526637c1b3bbad8c0a0dc

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2024, 06:27

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General

Target

JaffaCakes118_81b855ca3e35e2abbba8de17aaaf5e9772eda86eb0f526637c1b3bbad8c0a0dc.dll
Size

184KB
MD5

71e5788e0cfbd7bb5efc1b161ca2c05a
SHA1

7aeb2469fd8556923f0e516ad9a1e54e32ca10cf
SHA256

81b855ca3e35e2abbba8de17aaaf5e9772eda86eb0f526637c1b3bbad8c0a0dc
SHA512

a7eafa3c75f561eead59efd0f04cd6bd65381653cc5694d5dcd7666e93c7804042812c8644c3879aabf2ecaec4aede5e2cd78f20f3b32ea01ea2aee73e58d5c8
SSDEEP

3072:p92qSmHOhnWpPI1ybmJIiC00PArIojHTYVBCn+rs3Ss3qLMTKrLA:p9NSMOEpQ1Q3ODAr+V2

Score

10^/10

dridex 22203 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22203

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 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral2/memory/5000-1-0x0000000074A20000-0x0000000074A4F000-memory.dmp	dridex_ldr
behavioral2/memory/5000-2-0x0000000074A20000-0x0000000074A4F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4260	5000	WerFault.exe	82

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 4932 wrote to memory of 5000	4932	rundll32.exe	82
PID 4932 wrote to memory of 5000	4932	rundll32.exe	82
PID 4932 wrote to memory of 5000	4932	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_81b855ca3e35e2abbba8de17aaaf5e9772eda86eb0f526637c1b3bbad8c0a0dc.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4932
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_81b855ca3e35e2abbba8de17aaaf5e9772eda86eb0f526637c1b3bbad8c0a0dc.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5000
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5000 -s 620
    3⤵
    - Program crash
    PID:4260

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5000 -ip 5000
1⤵
PID:1604

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

Replay Monitor

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Downloads

memory/5000-0-0x0000000000C70000-0x0000000000C76000-memory.dmp

Filesize
24KB

Download
memory/5000-1-0x0000000074A20000-0x0000000074A4F000-memory.dmp

Filesize
188KB

Download
memory/5000-2-0x0000000074A20000-0x0000000074A4F000-memory.dmp

Filesize
188KB

Download
memory/5000-3-0x0000000000C70000-0x0000000000C76000-memory.dmp

Filesize
24KB

Download