dridex | 4faf5d043152809401d8060070bb449c6239cec630d3df405aef7eff70a53d77

Analysis

max time kernel
28s
max time network
119s
platform
windows10_x64
resource
win10v20210408
submitted
11-06-2021 02:10

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General

Target

4faf5d043152809401d8060070bb449c6239cec630d3df405aef7eff70a53d77.dll
Size

160KB
MD5

b7292f44886ce75ab0b8366cced8ca33
SHA1

270154943b81ffe4958ec4e45f5d6f2632d80edd
SHA256

4faf5d043152809401d8060070bb449c6239cec630d3df405aef7eff70a53d77
SHA512

c4c93b5e2e6fc90c4407436291609c5f8a76ede97c8683b5c7275cfda088844d48fbd82b5738beb2120c3f54ac4fe35f026b7f81fd492c7063a1bb34c8a7f66a

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

94.247.168.64:443

159.203.93.122:8172

50.116.27.97:2303

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/1160-115-0x0000000073F10000-0x0000000073F3E000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

rundll32.exe

description ioc process

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

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

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 488 wrote to memory of 1160	488	rundll32.exe	rundll32.exe
PID 488 wrote to memory of 1160	488	rundll32.exe	rundll32.exe
PID 488 wrote to memory of 1160	488	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4faf5d043152809401d8060070bb449c6239cec630d3df405aef7eff70a53d77.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:488

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4faf5d043152809401d8060070bb449c6239cec630d3df405aef7eff70a53d77.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1160

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1160-114-0x0000000000000000-mapping.dmp

Download
memory/1160-115-0x0000000073F10000-0x0000000073F3E000-memory.dmp

Filesize
184KB

Download
memory/1160-117-0x0000000002C00000-0x0000000002D4A000-memory.dmp

Filesize
1.3MB

Download