dridex | 98938a80f0b24fbae65d0c181983aa23db5fef64e0024974235dd92af9886e7a

Analysis

max time kernel
17s
max time network
112s
platform
windows10_x64
resource
win10v20210410
submitted
11-06-2021 02:54

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General

Target

98938a80f0b24fbae65d0c181983aa23db5fef64e0024974235dd92af9886e7a.dll
Size

174KB
MD5

72da8edec72f7cb88900cdf0440b9bd0
SHA1

cef505f08c171fad9b6def6a4f47a54ce1ceef6d
SHA256

98938a80f0b24fbae65d0c181983aa23db5fef64e0024974235dd92af9886e7a
SHA512

ece4c782e165f34a43dd396545c16ff03880616e8bddf922f76a7cbf0b573983bfab1f260804bff1a3b064fdc366b95e044732b075ac40730c0d83a65629a0a4

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/700-115-0x00000000735D0000-0x0000000073600000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2704 700 WerFault.exe rundll32.exe

pid	pid_target	process	target process
2704	700	WerFault.exe	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

WerFault.exe

pid	process
2704	WerFault.exe
2704	WerFault.exe
2704	WerFault.exe
2704	WerFault.exe
2704	WerFault.exe
2704	WerFault.exe
2704	WerFault.exe
2704	WerFault.exe
2704	WerFault.exe
2704	WerFault.exe
2704	WerFault.exe
2704	WerFault.exe
2704	WerFault.exe
2704	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 2704 WerFault.exe
Token: SeBackupPrivilege 2704 WerFault.exe
Token: SeDebugPrivilege 2704 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	2704	WerFault.exe
Token: SeBackupPrivilege	2704	WerFault.exe
Token: SeDebugPrivilege	2704	WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 780 wrote to memory of 700	780	rundll32.exe	rundll32.exe
PID 780 wrote to memory of 700	780	rundll32.exe	rundll32.exe
PID 780 wrote to memory of 700	780	rundll32.exe	rundll32.exe

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\98938a80f0b24fbae65d0c181983aa23db5fef64e0024974235dd92af9886e7a.dll,#1
1⤵
PID:700

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 700 -s 652
2⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2704

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\98938a80f0b24fbae65d0c181983aa23db5fef64e0024974235dd92af9886e7a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:780

MITRE ATT&CK Matrix

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Downloads

memory/700-114-0x0000000000000000-mapping.dmp

Download
memory/700-115-0x00000000735D0000-0x0000000073600000-memory.dmp

Filesize
192KB

Download
memory/700-117-0x0000000004D70000-0x0000000004D76000-memory.dmp

Filesize
24KB

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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