dridex | f8538bbe3f8665ce80f18155bef9c3f149c87ec5d79defded350f588f7ab0856

Analysis

max time kernel
17s
max time network
119s
platform
windows10_x64
resource
win10v20210410
submitted
11-06-2021 03:14

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General

Target

f8538bbe3f8665ce80f18155bef9c3f149c87ec5d79defded350f588f7ab0856.dll
Size

170KB
MD5

ec02eb20b2f721cb1530df631566640c
SHA1

8a98b8fc18e2395b7b8e11a1b5002b0405d17d45
SHA256

f8538bbe3f8665ce80f18155bef9c3f149c87ec5d79defded350f588f7ab0856
SHA512

4335d2509986c7cb329a2d4a6d1a913ab751cb0bf9dd782edae61974782e6310a6d5e3e9343aef0253198b70568a9e597a88e5b5fa8be6b8a1ec161f1673287c

Score

10^/10

dridex 40112 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

40112

128.199.200.38:443

192.163.233.216:6601

43.229.206.244:4125

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/60-115-0x0000000073A90000-0x0000000073AC0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3288 60 WerFault.exe rundll32.exe

pid	pid_target	process	target process
3288	60	WerFault.exe	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

WerFault.exe

pid	process
3288	WerFault.exe
3288	WerFault.exe
3288	WerFault.exe
3288	WerFault.exe
3288	WerFault.exe
3288	WerFault.exe
3288	WerFault.exe
3288	WerFault.exe
3288	WerFault.exe
3288	WerFault.exe
3288	WerFault.exe
3288	WerFault.exe
3288	WerFault.exe
3288	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 3288 WerFault.exe
Token: SeBackupPrivilege 3288 WerFault.exe
Token: SeDebugPrivilege 3288 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	3288	WerFault.exe
Token: SeBackupPrivilege	3288	WerFault.exe
Token: SeDebugPrivilege	3288	WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 3380 wrote to memory of 60	3380	rundll32.exe	rundll32.exe
PID 3380 wrote to memory of 60	3380	rundll32.exe	rundll32.exe
PID 3380 wrote to memory of 60	3380	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f8538bbe3f8665ce80f18155bef9c3f149c87ec5d79defded350f588f7ab0856.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3380

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f8538bbe3f8665ce80f18155bef9c3f149c87ec5d79defded350f588f7ab0856.dll,#1
2⤵
PID:60

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 60 -s 680
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3288

MITRE ATT&CK Matrix

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Downloads

memory/60-114-0x0000000000000000-mapping.dmp

Download
memory/60-115-0x0000000073A90000-0x0000000073AC0000-memory.dmp

Filesize
192KB

Download
memory/60-117-0x00000000007F0000-0x00000000007F6000-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