dridex | 87d4fe46a5b9d235bee394ef826a747b2c22ffe01306a46ebf1acc9120695aa3

Analysis

max time kernel
111s
max time network
120s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 23:41

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General

Target

JaffaCakes118_87d4fe46a5b9d235bee394ef826a747b2c22ffe01306a46ebf1acc9120695aa3.dll
Size

204KB
MD5

721fdc56ff1f6532e678a45ffbc052c9
SHA1

2c253b4819db96390178b2967bbf739ebe0f0e75
SHA256

87d4fe46a5b9d235bee394ef826a747b2c22ffe01306a46ebf1acc9120695aa3
SHA512

b6cbe4c776d5b3ed80d4441e106cb6c338f9cfd7aafcc6c5509b61b58546605e5c3f7f67f83e7020384338f77ba75a3fba9061f121b97786a3f6c02ce15a4d3d
SSDEEP

3072:v6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:vZuX6pEaeEDheWa+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/1956-1-0x0000000075240000-0x0000000075275000-memory.dmp	dridex_ldr
behavioral1/memory/1956-2-0x0000000075240000-0x0000000075275000-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 2084 wrote to memory of 1956	2084	rundll32.exe	31
PID 2084 wrote to memory of 1956	2084	rundll32.exe	31
PID 2084 wrote to memory of 1956	2084	rundll32.exe	31
PID 2084 wrote to memory of 1956	2084	rundll32.exe	31
PID 2084 wrote to memory of 1956	2084	rundll32.exe	31
PID 2084 wrote to memory of 1956	2084	rundll32.exe	31
PID 2084 wrote to memory of 1956	2084	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_87d4fe46a5b9d235bee394ef826a747b2c22ffe01306a46ebf1acc9120695aa3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2084
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_87d4fe46a5b9d235bee394ef826a747b2c22ffe01306a46ebf1acc9120695aa3.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:1956

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

Replay Monitor

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Downloads

memory/1956-0-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1956-1-0x0000000075240000-0x0000000075275000-memory.dmp

Filesize
212KB

Download
memory/1956-3-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1956-2-0x0000000075240000-0x0000000075275000-memory.dmp

Filesize
212KB

Download