dridex | b168d518e1b2b0d1bdcc47cf1dc2cb6a2fdebb241a5941e883af44dbb68abaa8

Analysis

max time kernel
38s
max time network
46s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 18:02

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General

Target

b168d518e1b2b0d1bdcc47cf1dc2cb6a2fdebb241a5941e883af44dbb68abaa8.dll
Size

157KB
MD5

cb68a9d46fd531bce79d095782946271
SHA1

bf0840385197532b1c5e473017c130bd95c0fbab
SHA256

b168d518e1b2b0d1bdcc47cf1dc2cb6a2fdebb241a5941e883af44dbb68abaa8
SHA512

5354c0d5610ddb1d03b7ce427caca842509f83c882e942411740036f72a93a862b82cdd2e463be9853d222d7a19ffa129e39ddd5f197f6913f9339b221b85ded

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

159.8.59.82:443

51.91.156.39:2303

67.196.50.240:8172

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/3496-115-0x0000000073530000-0x000000007355D000-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 4024 wrote to memory of 3496	4024	rundll32.exe	rundll32.exe
PID 4024 wrote to memory of 3496	4024	rundll32.exe	rundll32.exe
PID 4024 wrote to memory of 3496	4024	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b168d518e1b2b0d1bdcc47cf1dc2cb6a2fdebb241a5941e883af44dbb68abaa8.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4024

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b168d518e1b2b0d1bdcc47cf1dc2cb6a2fdebb241a5941e883af44dbb68abaa8.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3496

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3496-114-0x0000000000000000-mapping.dmp

Download
memory/3496-115-0x0000000073530000-0x000000007355D000-memory.dmp

Filesize
180KB

Download
memory/3496-117-0x0000000000B00000-0x0000000000B06000-memory.dmp

Filesize
24KB

Download