dridex | 3c55fbfea8b32dd482a96aee92a2f72c1cbf05a629571a83872e2a71b610884a

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30/12/2024, 03:47

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General

Target

JaffaCakes118_3c55fbfea8b32dd482a96aee92a2f72c1cbf05a629571a83872e2a71b610884a.dll
Size

184KB
MD5

c16f4d020e37f342b872597ada222bad
SHA1

f759ae922145162ec2f3d0852371f309b0c01144
SHA256

3c55fbfea8b32dd482a96aee92a2f72c1cbf05a629571a83872e2a71b610884a
SHA512

7431b399b724954b0f9a256a05e7e514a3d86b1a64ddd3f0fe8cc3e40b2380284e3e612a939cfedf3f1bd6a2319a2489cca5bafcdb2060796ca7866e322eacdf
SSDEEP

3072:092qSmHOhnWpPI1ybmJIiC00PArIojHTYVBCn+rs3Ss3qLMTgrLA:09NSMOEpQ1Q3ODAr+VM

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
behavioral1/memory/2332-0-0x0000000074820000-0x000000007484F000-memory.dmp	dridex_ldr
behavioral1/memory/2332-3-0x0000000074820000-0x000000007484F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2536	2332	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 2080 wrote to memory of 2332	2080	rundll32.exe	31
PID 2080 wrote to memory of 2332	2080	rundll32.exe	31
PID 2080 wrote to memory of 2332	2080	rundll32.exe	31
PID 2080 wrote to memory of 2332	2080	rundll32.exe	31
PID 2080 wrote to memory of 2332	2080	rundll32.exe	31
PID 2080 wrote to memory of 2332	2080	rundll32.exe	31
PID 2080 wrote to memory of 2332	2080	rundll32.exe	31
PID 2332 wrote to memory of 2536	2332	rundll32.exe	32
PID 2332 wrote to memory of 2536	2332	rundll32.exe	32
PID 2332 wrote to memory of 2536	2332	rundll32.exe	32
PID 2332 wrote to memory of 2536	2332	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3c55fbfea8b32dd482a96aee92a2f72c1cbf05a629571a83872e2a71b610884a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2080
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3c55fbfea8b32dd482a96aee92a2f72c1cbf05a629571a83872e2a71b610884a.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2332
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2332 -s 220
    3⤵
    - Program crash
    PID:2536

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/2332-0-0x0000000074820000-0x000000007484F000-memory.dmp

Filesize
188KB

Download
memory/2332-2-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2332-3-0x0000000074820000-0x000000007484F000-memory.dmp

Filesize
188KB

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