dridex | 112fa5041b7d771c41971536137042d725985e5c0131f4d4e1823e0347784359

Analysis

max time kernel
21s
max time network
135s
platform
windows10_x64
resource
win10v20210408
submitted
10-06-2021 23:55

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General

Target

112fa5041b7d771c41971536137042d725985e5c0131f4d4e1823e0347784359.dll
Size

174KB
MD5

94e5e0a1a3b160d1662370687183cd12
SHA1

de240acd957c85a041f8a938663700b5561b97d9
SHA256

112fa5041b7d771c41971536137042d725985e5c0131f4d4e1823e0347784359
SHA512

56a3b94025846711439ca2b6e863b0aaec75fe8b11f406fe587aae2d47ea4bc73a12bf105d671163532a0a42d1b47eec1326e5d2ba23da4e9f185489b269e061

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/3976-115-0x0000000073620000-0x0000000073650000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2288 3976 WerFault.exe rundll32.exe

pid	pid_target	process	target process
2288	3976	WerFault.exe	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

WerFault.exe

pid	process
2288	WerFault.exe
2288	WerFault.exe
2288	WerFault.exe
2288	WerFault.exe
2288	WerFault.exe
2288	WerFault.exe
2288	WerFault.exe
2288	WerFault.exe
2288	WerFault.exe
2288	WerFault.exe
2288	WerFault.exe
2288	WerFault.exe
2288	WerFault.exe
2288	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 2288 WerFault.exe
Token: SeBackupPrivilege 2288 WerFault.exe
Token: SeDebugPrivilege 2288 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	2288	WerFault.exe
Token: SeBackupPrivilege	2288	WerFault.exe
Token: SeDebugPrivilege	2288	WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 644 wrote to memory of 3976	644	rundll32.exe	rundll32.exe
PID 644 wrote to memory of 3976	644	rundll32.exe	rundll32.exe
PID 644 wrote to memory of 3976	644	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\112fa5041b7d771c41971536137042d725985e5c0131f4d4e1823e0347784359.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:644

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\112fa5041b7d771c41971536137042d725985e5c0131f4d4e1823e0347784359.dll,#1
2⤵
PID:3976

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3976 -s 644
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2288

MITRE ATT&CK Matrix

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Downloads

memory/3976-114-0x0000000000000000-mapping.dmp

Download
memory/3976-115-0x0000000073620000-0x0000000073650000-memory.dmp

Filesize
192KB

Download
memory/3976-117-0x0000000002FC0000-0x0000000002FC6000-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