dridex | 4f4d1e9dc9868f0aa70effe3ecc767d86e95cc5882e4e9e4ff9025ed0d1bea2f

Analysis

max time kernel
148s
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
30/12/2024, 06:06

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General

Target

JaffaCakes118_4f4d1e9dc9868f0aa70effe3ecc767d86e95cc5882e4e9e4ff9025ed0d1bea2f.dll
Size

184KB
MD5

759fb40aa113faf93cc76be16c9fc4c4
SHA1

1a6ebc01e5ba71eb7ec9f9649e224eb876dc0b13
SHA256

4f4d1e9dc9868f0aa70effe3ecc767d86e95cc5882e4e9e4ff9025ed0d1bea2f
SHA512

432a02e8db2c64cd6a793f502be458727095eeae85733e5ff8d18c1106a1e19ad59606633eae7a0b063a029311999acc27382b9e722846c09b2406151b372e9a
SSDEEP

3072:492qSmHOhnWpPI1ybmJIiC00PArIojHTYVBCn+rs3Ss3qLMT6rLA:49NSMOEpQ1Q3ODAr+Ve

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/2456-0-0x0000000074E10000-0x0000000074E3F000-memory.dmp	dridex_ldr
behavioral2/memory/2456-3-0x0000000074E10000-0x0000000074E3F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2064	2456	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 2372 wrote to memory of 2456	2372	rundll32.exe	83
PID 2372 wrote to memory of 2456	2372	rundll32.exe	83
PID 2372 wrote to memory of 2456	2372	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4f4d1e9dc9868f0aa70effe3ecc767d86e95cc5882e4e9e4ff9025ed0d1bea2f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2372
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4f4d1e9dc9868f0aa70effe3ecc767d86e95cc5882e4e9e4ff9025ed0d1bea2f.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2456
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2456 -s 624
    3⤵
    - Program crash
    PID:2064

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2456 -ip 2456
1⤵
PID:1076

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/2456-0-0x0000000074E10000-0x0000000074E3F000-memory.dmp

Filesize
188KB

Download
memory/2456-2-0x0000000000C50000-0x0000000000C56000-memory.dmp

Filesize
24KB

Download
memory/2456-3-0x0000000074E10000-0x0000000074E3F000-memory.dmp

Filesize
188KB

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