dridex | a279fa8e67fa59ca3795fd040e771f092614afa7a3ad092b3ec276e07bd4b805

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 01:05

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General

Target

JaffaCakes118_a279fa8e67fa59ca3795fd040e771f092614afa7a3ad092b3ec276e07bd4b805.dll
Size

161KB
MD5

7bc61ea0f9aa7efb63751d1d275eb24a
SHA1

50a0dfce9c6054bfdc048f78daded4e88d779535
SHA256

a279fa8e67fa59ca3795fd040e771f092614afa7a3ad092b3ec276e07bd4b805
SHA512

679ca95ec7894c470c8a3137f20b105192beea623c77f9c844a67a5f93d9302786350c9562539c31897e800f32257c8e966110ee00e391596f7c9c9ef462c436
SSDEEP

3072:bC63mpMBf4M8+pwhukvhU7fWaX/77/DZgTmbg+MGaFplA33VBrU8Cx3:Wa/jkvhSlP/7bg8aFnA3bra

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

193.200.130.181:443

95.138.161.226:2303

167.114.113.13:4125

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
behavioral1/memory/2736-0-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2692	2736	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 2664 wrote to memory of 2736	2664	rundll32.exe	31
PID 2664 wrote to memory of 2736	2664	rundll32.exe	31
PID 2664 wrote to memory of 2736	2664	rundll32.exe	31
PID 2664 wrote to memory of 2736	2664	rundll32.exe	31
PID 2664 wrote to memory of 2736	2664	rundll32.exe	31
PID 2664 wrote to memory of 2736	2664	rundll32.exe	31
PID 2664 wrote to memory of 2736	2664	rundll32.exe	31
PID 2736 wrote to memory of 2692	2736	rundll32.exe	32
PID 2736 wrote to memory of 2692	2736	rundll32.exe	32
PID 2736 wrote to memory of 2692	2736	rundll32.exe	32
PID 2736 wrote to memory of 2692	2736	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a279fa8e67fa59ca3795fd040e771f092614afa7a3ad092b3ec276e07bd4b805.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2664
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a279fa8e67fa59ca3795fd040e771f092614afa7a3ad092b3ec276e07bd4b805.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2736
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2736 -s 256
    3⤵
    - Program crash
    PID:2692

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/2736-0-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

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memory/2736-2-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

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