dridex | b90bd7a57156205c13f8e3e2501a21c75f5a8fd2960409a53b5c53a582579e1d

Analysis

max time kernel
24s
max time network
20s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
29-12-2024 01:15

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General

Target

JaffaCakes118_b90bd7a57156205c13f8e3e2501a21c75f5a8fd2960409a53b5c53a582579e1d.dll
Size

161KB
MD5

771ccb4276d0f099263454e3f6c47632
SHA1

605a9d625b1013d1f73572ed6f05e8aa569fdb83
SHA256

b90bd7a57156205c13f8e3e2501a21c75f5a8fd2960409a53b5c53a582579e1d
SHA512

50beee3b480fd2b61afd399cdc49dad6897e9e08f97ad02d746541a95b340ababbb8464e4cfc7b22b081763c7fd035668e33a66a85da4d2ed4436dce76023adc
SSDEEP

3072:SgSuywe6x1ACSZEuNtV+TkqDXkyzbMeJRL3CNa/U9fStrveyk8TZgEd2ZGkFY:ZnS62Fl+pkeJl3CvRStrFl+EYM

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/1176-1-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr
behavioral1/memory/1176-2-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2880	1176	WerFault.exe	29

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 108 wrote to memory of 1176	108	rundll32.exe	29
PID 108 wrote to memory of 1176	108	rundll32.exe	29
PID 108 wrote to memory of 1176	108	rundll32.exe	29
PID 108 wrote to memory of 1176	108	rundll32.exe	29
PID 108 wrote to memory of 1176	108	rundll32.exe	29
PID 108 wrote to memory of 1176	108	rundll32.exe	29
PID 108 wrote to memory of 1176	108	rundll32.exe	29
PID 1176 wrote to memory of 2880	1176	rundll32.exe	30
PID 1176 wrote to memory of 2880	1176	rundll32.exe	30
PID 1176 wrote to memory of 2880	1176	rundll32.exe	30
PID 1176 wrote to memory of 2880	1176	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b90bd7a57156205c13f8e3e2501a21c75f5a8fd2960409a53b5c53a582579e1d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:108
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b90bd7a57156205c13f8e3e2501a21c75f5a8fd2960409a53b5c53a582579e1d.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1176
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1176 -s 264
    3⤵
    - Program crash
    PID:2880

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/1176-0-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/1176-1-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/1176-3-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/1176-2-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download