dridex | 9237fbf00f65f2292bd4f6b9e14e1cb274559bdd30e34c4072ede9beea4340c9

Analysis

max time kernel
49s
max time network
58s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 18:11

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General

Target

9237fbf00f65f2292bd4f6b9e14e1cb274559bdd30e34c4072ede9beea4340c9.dll
Size

157KB
MD5

be60cc1e302710d36c08dfabfc948616
SHA1

3dc30074930ecc5018d5e2a61a76e25068ef0c7f
SHA256

9237fbf00f65f2292bd4f6b9e14e1cb274559bdd30e34c4072ede9beea4340c9
SHA512

2a1752eb4cf00df66b0fe6ee633ef3bc8002b38c83df47407977fb3d442150a203c3c91d0871c40937165cd595828d381c2d7828ab346762480cce2de6497a34

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/1496-115-0x00000000735E0000-0x000000007360D000-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 3968 wrote to memory of 1496	3968	rundll32.exe	rundll32.exe
PID 3968 wrote to memory of 1496	3968	rundll32.exe	rundll32.exe
PID 3968 wrote to memory of 1496	3968	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9237fbf00f65f2292bd4f6b9e14e1cb274559bdd30e34c4072ede9beea4340c9.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3968

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9237fbf00f65f2292bd4f6b9e14e1cb274559bdd30e34c4072ede9beea4340c9.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1496

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/1496-114-0x0000000000000000-mapping.dmp

Download
memory/1496-115-0x00000000735E0000-0x000000007360D000-memory.dmp

Filesize
180KB

Download
memory/1496-117-0x0000000002DE0000-0x0000000002DE6000-memory.dmp

Filesize
24KB

Download