dridex | 77a5cc6eb1e9e312aea84f97b7686098d08e0a5b34724948a0a8b9c660dc3950

Analysis

max time kernel
95s
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 22:13

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General

Target

JaffaCakes118_77a5cc6eb1e9e312aea84f97b7686098d08e0a5b34724948a0a8b9c660dc3950.dll
Size

166KB
MD5

9cfc47f1a31cf51a45f0ec3c4b24c9ae
SHA1

98e94fb5c11dcb8e51059aa8ff6dec80687dfa82
SHA256

77a5cc6eb1e9e312aea84f97b7686098d08e0a5b34724948a0a8b9c660dc3950
SHA512

510deb4e5e8226d74582ce46b0c30ede5a77aa5d022d6ff4b981524a242ece11e387cb5950b3f188dfafd83a994cdf5da730351ccd78c9250f4ad1a554f51087
SSDEEP

3072:suFbQtsYQcjxanytIp92/l1iPPqs1/whG68DaHrnpDZ+eE:s0czbty9uiaJlHE

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

131.100.24.202:443

193.160.214.95:4125

67.43.4.76:8172

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/4916-1-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1312	4916	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 2340 wrote to memory of 4916	2340	rundll32.exe	83
PID 2340 wrote to memory of 4916	2340	rundll32.exe	83
PID 2340 wrote to memory of 4916	2340	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_77a5cc6eb1e9e312aea84f97b7686098d08e0a5b34724948a0a8b9c660dc3950.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2340
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_77a5cc6eb1e9e312aea84f97b7686098d08e0a5b34724948a0a8b9c660dc3950.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4916
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4916 -s 712
    3⤵
    - Program crash
    PID:1312

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4916 -ip 4916
1⤵
PID:4980

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/4916-0-0x00000000007B0000-0x00000000007B6000-memory.dmp

Filesize
24KB

Download
memory/4916-1-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/4916-3-0x00000000007B0000-0x00000000007B6000-memory.dmp

Filesize
24KB

Download