dridex | e42e2efd685320cc980a4a3471365b61f85060f1261fb9089d869df73ee5c514

Analysis

max time kernel
103s
max time network
108s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 18:02

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General

Target

e42e2efd685320cc980a4a3471365b61f85060f1261fb9089d869df73ee5c514.dll
Size

157KB
MD5

c3ee26d9cea443c6bd24371f483965be
SHA1

6b3ae938c9acb1436ecafee8ca0bf9c992f98f70
SHA256

e42e2efd685320cc980a4a3471365b61f85060f1261fb9089d869df73ee5c514
SHA512

00af4924ea64254bc7f125e8e617cab44d7a0d9e9b784f792a4af288a86d3425eda76e91201fb3c50ce94b074932a54247b67f0ef1b918a38593c30701d2abe0

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/4456-115-0x0000000074290000-0x00000000742BD000-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 4436 wrote to memory of 4456	4436	rundll32.exe	rundll32.exe
PID 4436 wrote to memory of 4456	4436	rundll32.exe	rundll32.exe
PID 4436 wrote to memory of 4456	4436	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e42e2efd685320cc980a4a3471365b61f85060f1261fb9089d869df73ee5c514.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4436

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e42e2efd685320cc980a4a3471365b61f85060f1261fb9089d869df73ee5c514.dll,#1
2⤵
- Checks whether UAC is enabled
PID:4456

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/4456-114-0x0000000000000000-mapping.dmp

Download
memory/4456-115-0x0000000074290000-0x00000000742BD000-memory.dmp

Filesize
180KB

Download
memory/4456-117-0x0000000000BA0000-0x0000000000BA6000-memory.dmp

Filesize
24KB

Download