dridex | a09a56984666a56e5436ffb728382aa48ad59d810c7eda72071c272c08313c50

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
23-12-2024 13:53

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General

Target

JaffaCakes118_a09a56984666a56e5436ffb728382aa48ad59d810c7eda72071c272c08313c50.dll
Size

161KB
MD5

93fce2c0bf8087a1d2f51d4177c0c2dc
SHA1

582575509c5f0acc70e6461d984593799c9067cb
SHA256

a09a56984666a56e5436ffb728382aa48ad59d810c7eda72071c272c08313c50
SHA512

26e40670353d67ad79806f8bcea4b0f34e9b163ddcb09013a62c249f448fdce8dc338117116753e12419c6b7d0dc8937468277ed58362f387ccc6cc3026bf75f
SSDEEP

3072:POSuywe6x1ACSZEuNtV+TkqDXkyzbMeJRL3CNa/U9fStrveyk8TZgEd2uGkFY:mnS62Fl+pkeJl3CvRStrFl+EYL

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

78.46.73.125:443

185.148.168.26:2303

66.113.160.126:8172

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 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2104-1-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr
behavioral1/memory/2104-2-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
328	2104	WerFault.exe	30

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 1820 wrote to memory of 2104	1820	rundll32.exe	30
PID 1820 wrote to memory of 2104	1820	rundll32.exe	30
PID 1820 wrote to memory of 2104	1820	rundll32.exe	30
PID 1820 wrote to memory of 2104	1820	rundll32.exe	30
PID 1820 wrote to memory of 2104	1820	rundll32.exe	30
PID 1820 wrote to memory of 2104	1820	rundll32.exe	30
PID 1820 wrote to memory of 2104	1820	rundll32.exe	30
PID 2104 wrote to memory of 328	2104	rundll32.exe	32
PID 2104 wrote to memory of 328	2104	rundll32.exe	32
PID 2104 wrote to memory of 328	2104	rundll32.exe	32
PID 2104 wrote to memory of 328	2104	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a09a56984666a56e5436ffb728382aa48ad59d810c7eda72071c272c08313c50.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1820
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a09a56984666a56e5436ffb728382aa48ad59d810c7eda72071c272c08313c50.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2104
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2104 -s 256
    3⤵
    - Program crash
    PID:328

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/2104-0-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download
memory/2104-1-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/2104-2-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/2104-4-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download