dridex | 311f9f99d3a5dfbdc747eb335f6db41b568679640ac7d2cd33098aa6c446064e

Analysis

max time kernel
18s
max time network
116s
platform
windows10_x64
resource
win10v20210410
submitted
11-06-2021 00:35

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General

Target

311f9f99d3a5dfbdc747eb335f6db41b568679640ac7d2cd33098aa6c446064e.dll
Size

174KB
MD5

6972fecacc845cb7436fbf70678cb68a
SHA1

fc8994fa8158f96f9002bc3fc97bf98f5b4ade76
SHA256

311f9f99d3a5dfbdc747eb335f6db41b568679640ac7d2cd33098aa6c446064e
SHA512

90790c64a9fcdb392f97344bc7aa7d18b1b92d1f7935e9bdd49d292df02a79781a76ab24cf600ca88f5249241ec8d6bc1cc715e40805c876a1f1d6cda4f2d861

Score

10^/10

dridex 22201 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

22201

178.128.220.64:30333

45.79.91.89:9987

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/3616-115-0x00000000739D0000-0x0000000073A00000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2736 3616 WerFault.exe rundll32.exe

pid	pid_target	process	target process
2736	3616	WerFault.exe	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

WerFault.exe

pid	process
2736	WerFault.exe
2736	WerFault.exe
2736	WerFault.exe
2736	WerFault.exe
2736	WerFault.exe
2736	WerFault.exe
2736	WerFault.exe
2736	WerFault.exe
2736	WerFault.exe
2736	WerFault.exe
2736	WerFault.exe
2736	WerFault.exe
2736	WerFault.exe
2736	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 2736 WerFault.exe
Token: SeBackupPrivilege 2736 WerFault.exe
Token: SeDebugPrivilege 2736 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	2736	WerFault.exe
Token: SeBackupPrivilege	2736	WerFault.exe
Token: SeDebugPrivilege	2736	WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 3700 wrote to memory of 3616	3700	rundll32.exe	rundll32.exe
PID 3700 wrote to memory of 3616	3700	rundll32.exe	rundll32.exe
PID 3700 wrote to memory of 3616	3700	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\311f9f99d3a5dfbdc747eb335f6db41b568679640ac7d2cd33098aa6c446064e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3700

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\311f9f99d3a5dfbdc747eb335f6db41b568679640ac7d2cd33098aa6c446064e.dll,#1
2⤵
PID:3616

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3616 -s 644
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2736

MITRE ATT&CK Matrix

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Downloads

memory/3616-114-0x0000000000000000-mapping.dmp

Download
memory/3616-115-0x00000000739D0000-0x0000000073A00000-memory.dmp

Filesize
192KB

Download
memory/3616-117-0x0000000000600000-0x00000000006AE000-memory.dmp

Filesize
696KB

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads