dridex | 87ce9f05df130265ed1f8944afa54178fc23e45df545ab4893e3f6c800c14937

Analysis

max time kernel
17s
max time network
135s
platform
windows10_x64
resource
win10v20210410
submitted
10-08-2021 06:16

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General

Target

87ce9f05df130265ed1f8944afa54178fc23e45df545ab4893e3f6c800c14937.dll
Size

184KB
MD5

033abfd8f0ab1310976185c7a83b1ead
SHA1

52307e6f8a058b72a7e710f39f27c1a9700f37b1
SHA256

87ce9f05df130265ed1f8944afa54178fc23e45df545ab4893e3f6c800c14937
SHA512

1253a3250f1483663534f25149fe150ff6382d95edc9696dc37c7cee2f35b216e16c16f4405d5c8cf45025345e16884e3203a31ca24fcaa1d47eb9bfc25c792f

Score

10^/10

dridex 22201 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

22201

103.75.201.2:443

158.223.1.108:6225

165.22.28.242:4664

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/520-115-0x0000000074420000-0x0000000074450000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3292 520 WerFault.exe rundll32.exe

pid	pid_target	process	target process
3292	520	WerFault.exe	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

WerFault.exe

pid	process
3292	WerFault.exe
3292	WerFault.exe
3292	WerFault.exe
3292	WerFault.exe
3292	WerFault.exe
3292	WerFault.exe
3292	WerFault.exe
3292	WerFault.exe
3292	WerFault.exe
3292	WerFault.exe
3292	WerFault.exe
3292	WerFault.exe
3292	WerFault.exe
3292	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 3292 WerFault.exe
Token: SeBackupPrivilege 3292 WerFault.exe
Token: SeDebugPrivilege 3292 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	3292	WerFault.exe
Token: SeBackupPrivilege	3292	WerFault.exe
Token: SeDebugPrivilege	3292	WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 3212 wrote to memory of 520	3212	rundll32.exe	rundll32.exe
PID 3212 wrote to memory of 520	3212	rundll32.exe	rundll32.exe
PID 3212 wrote to memory of 520	3212	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\87ce9f05df130265ed1f8944afa54178fc23e45df545ab4893e3f6c800c14937.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3212

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\87ce9f05df130265ed1f8944afa54178fc23e45df545ab4893e3f6c800c14937.dll,#1
2⤵
PID:520

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 520 -s 616
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3292

MITRE ATT&CK Matrix

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Downloads

memory/520-114-0x0000000000000000-mapping.dmp

Download
memory/520-115-0x0000000074420000-0x0000000074450000-memory.dmp

Filesize
192KB

Download
memory/520-117-0x0000000000350000-0x0000000000356000-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