dridex | b9feb81ac48b0add2e9d397c74ca221a42f82722dc479d13acbdc6c8fd71df97

Analysis

max time kernel
116s
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 20:49

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General

Target

JaffaCakes118_b9feb81ac48b0add2e9d397c74ca221a42f82722dc479d13acbdc6c8fd71df97.dll
Size

204KB
MD5

1d773dbc4941ba033e556e449a593cbb
SHA1

80a35d99dc6641bcc88a8f633296c2865972b841
SHA256

b9feb81ac48b0add2e9d397c74ca221a42f82722dc479d13acbdc6c8fd71df97
SHA512

f09771f805d51a324991c7d0fb05536186c54be5672dcc2f22e9b81c8751502322f9385de458ac4adcbfe877de4771e084d7602cc6f01b307ea5c86575c751b2
SSDEEP

3072:i6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:iZuX6pEaeEDheWa+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/2372-1-0x0000000074F20000-0x0000000074F55000-memory.dmp	dridex_ldr
behavioral1/memory/2372-2-0x0000000074F20000-0x0000000074F55000-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 2400 wrote to memory of 2372	2400	rundll32.exe	31
PID 2400 wrote to memory of 2372	2400	rundll32.exe	31
PID 2400 wrote to memory of 2372	2400	rundll32.exe	31
PID 2400 wrote to memory of 2372	2400	rundll32.exe	31
PID 2400 wrote to memory of 2372	2400	rundll32.exe	31
PID 2400 wrote to memory of 2372	2400	rundll32.exe	31
PID 2400 wrote to memory of 2372	2400	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b9feb81ac48b0add2e9d397c74ca221a42f82722dc479d13acbdc6c8fd71df97.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2400
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b9feb81ac48b0add2e9d397c74ca221a42f82722dc479d13acbdc6c8fd71df97.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2372

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/2372-0-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/2372-1-0x0000000074F20000-0x0000000074F55000-memory.dmp

Filesize
212KB

Download
memory/2372-3-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/2372-2-0x0000000074F20000-0x0000000074F55000-memory.dmp

Filesize
212KB

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