dridex | b70f29bc84d6520665424735004e5a3d7e2d493d10b1140e4d42d20a7c326e17

Analysis

max time kernel
63s
max time network
17s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
30/12/2024, 21:30

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General

Target

JaffaCakes118_b70f29bc84d6520665424735004e5a3d7e2d493d10b1140e4d42d20a7c326e17.dll
Size

204KB
MD5

d0c326ad8fc7850ba9d843515b09ada6
SHA1

6fa6ebb09f52e1ab716d4e3c6a914c222da643e3
SHA256

b70f29bc84d6520665424735004e5a3d7e2d493d10b1140e4d42d20a7c326e17
SHA512

347eed1ee61adf44e201724e0eafaf8a704fdd6c8eeb87bb5c29eb2905041caa52759cb99993d35929191aec13fc8b5e9a5954656d943d06954b48f643bbbd39
SSDEEP

3072:X6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:XZuX6pEaeEDheWa+Jc9bhorfTw

Score

10^/10

dridex 40111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

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/2668-1-0x00000000747F0000-0x0000000074825000-memory.dmp	dridex_ldr
behavioral1/memory/2668-2-0x00000000747F0000-0x0000000074825000-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 2216 wrote to memory of 2668	2216	rundll32.exe	30
PID 2216 wrote to memory of 2668	2216	rundll32.exe	30
PID 2216 wrote to memory of 2668	2216	rundll32.exe	30
PID 2216 wrote to memory of 2668	2216	rundll32.exe	30
PID 2216 wrote to memory of 2668	2216	rundll32.exe	30
PID 2216 wrote to memory of 2668	2216	rundll32.exe	30
PID 2216 wrote to memory of 2668	2216	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b70f29bc84d6520665424735004e5a3d7e2d493d10b1140e4d42d20a7c326e17.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2216
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b70f29bc84d6520665424735004e5a3d7e2d493d10b1140e4d42d20a7c326e17.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2668

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/2668-0-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2668-1-0x00000000747F0000-0x0000000074825000-memory.dmp

Filesize
212KB

Download
memory/2668-2-0x00000000747F0000-0x0000000074825000-memory.dmp

Filesize
212KB

Download
memory/2668-3-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

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