dridex | 3a2df3cf3cc7e63af234239556820a0dbc611a320068cb6161a95d23a1ac01a9

Analysis

max time kernel
119s
max time network
125s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
23-12-2024 23:20

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General

Target

JaffaCakes118_3a2df3cf3cc7e63af234239556820a0dbc611a320068cb6161a95d23a1ac01a9.dll
Size

184KB
MD5

485b478bc1787971d372374e44c92be1
SHA1

aaadd879bdbde04e6f915718fa16bd94f4a3da25
SHA256

3a2df3cf3cc7e63af234239556820a0dbc611a320068cb6161a95d23a1ac01a9
SHA512

b6ccd6f1a3d6d3806740cba204009abdfeab9fbf95575f1b9d9c6154b7ba673b80c791512140d6472f008b43d856633f8d467191efaa5a44143ff3a82bc06f78
SSDEEP

3072:VJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8J6a//2uFrSc:efYOX+wTScR/Xzku9LVwhuG

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

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
behavioral1/memory/2548-1-0x0000000075290000-0x00000000752BF000-memory.dmp	dridex_ldr
behavioral1/memory/2548-2-0x0000000075290000-0x00000000752BF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
524	2548	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 1668 wrote to memory of 2548	1668	rundll32.exe	31
PID 1668 wrote to memory of 2548	1668	rundll32.exe	31
PID 1668 wrote to memory of 2548	1668	rundll32.exe	31
PID 1668 wrote to memory of 2548	1668	rundll32.exe	31
PID 1668 wrote to memory of 2548	1668	rundll32.exe	31
PID 1668 wrote to memory of 2548	1668	rundll32.exe	31
PID 1668 wrote to memory of 2548	1668	rundll32.exe	31
PID 2548 wrote to memory of 524	2548	rundll32.exe	32
PID 2548 wrote to memory of 524	2548	rundll32.exe	32
PID 2548 wrote to memory of 524	2548	rundll32.exe	32
PID 2548 wrote to memory of 524	2548	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3a2df3cf3cc7e63af234239556820a0dbc611a320068cb6161a95d23a1ac01a9.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1668
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3a2df3cf3cc7e63af234239556820a0dbc611a320068cb6161a95d23a1ac01a9.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2548
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2548 -s 224
    3⤵
    - Program crash
    PID:524

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/2548-0-0x0000000000200000-0x0000000000206000-memory.dmp

Filesize
24KB

Download
memory/2548-1-0x0000000075290000-0x00000000752BF000-memory.dmp

Filesize
188KB

Download
memory/2548-3-0x0000000000200000-0x0000000000206000-memory.dmp

Filesize
24KB

Download
memory/2548-2-0x0000000075290000-0x00000000752BF000-memory.dmp

Filesize
188KB

Download