dridex | 67331a03e22f0eb77224a96f7417091d911d6e7d85bd5b310f0649dead92c9c4

Analysis

max time kernel
57s
max time network
121s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 19:44

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General

Target

JaffaCakes118_67331a03e22f0eb77224a96f7417091d911d6e7d85bd5b310f0649dead92c9c4.dll
Size

204KB
MD5

d3f6d6b732c5c2c29e8a45e961d0613c
SHA1

78add164e6afe327878f9b5ab39413d71d6b15d4
SHA256

67331a03e22f0eb77224a96f7417091d911d6e7d85bd5b310f0649dead92c9c4
SHA512

f9e651c26e1b4d4546d948950bbd33ebc1f97834deb5e09c86e84f2e79a4b261f56e20f3dcd8ec84a9dc80fe5fe6eecd646b4f4f71d69edbb95f86ec917354b1
SSDEEP

3072:xBHfDmTQoHJhc+1aImpJRxSmR7bVsSazalcBfc7Ivu5IMlZ:xBHLSc+wLJRHFVsSaGluUs25Iw

Score

10^/10

dridex 40112 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

45.58.56.12:443

162.241.54.59:6601

51.91.76.89:2303

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/1624-1-0x0000000074F10000-0x0000000074F45000-memory.dmp	dridex_ldr
behavioral1/memory/1624-2-0x0000000074F10000-0x0000000074F45000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

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 7 IoCs

description	pid	Process	procid_target
PID 1684 wrote to memory of 1624	1684	rundll32.exe	30
PID 1684 wrote to memory of 1624	1684	rundll32.exe	30
PID 1684 wrote to memory of 1624	1684	rundll32.exe	30
PID 1684 wrote to memory of 1624	1684	rundll32.exe	30
PID 1684 wrote to memory of 1624	1684	rundll32.exe	30
PID 1684 wrote to memory of 1624	1684	rundll32.exe	30
PID 1684 wrote to memory of 1624	1684	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_67331a03e22f0eb77224a96f7417091d911d6e7d85bd5b310f0649dead92c9c4.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1684
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_67331a03e22f0eb77224a96f7417091d911d6e7d85bd5b310f0649dead92c9c4.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:1624

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1624-0-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1624-1-0x0000000074F10000-0x0000000074F45000-memory.dmp

Filesize
212KB

Download
memory/1624-2-0x0000000074F10000-0x0000000074F45000-memory.dmp

Filesize
212KB

Download
memory/1624-3-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

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