dridex | 7cc0d16fe4e01e60f5eed66d1d6e58a9143129e8326cb16f8126664ce821f2d1

Analysis

max time kernel
148s
max time network
150s
platform
windows10_x64
resource
win10-en-20211208
submitted
20-12-2021 23:19

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General

Target

SecuriteInfo.com.W32.AIDetect.malware1.2161.25481.dll
Size

468KB
MD5

1fb4f42e369bea3b8571a3b562125601
SHA1

16e5a0b04989f7516d5fd0c55a027382808d1254
SHA256

7cc0d16fe4e01e60f5eed66d1d6e58a9143129e8326cb16f8126664ce821f2d1
SHA512

606f58fa3be337181bd5b12f720a4f710c686dded040ac83522070ae07c1c60b7935a162a08b2c1030932706786b05f144bd63dca1a5bda6e3ecb297d183822c

Score

10^/10

dridex 22206 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

22206

120.50.40.185:443

139.59.14.223:8172

121.40.104.209:6602

139.162.113.169:593

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
behavioral2/memory/3808-116-0x00000000740C0000-0x0000000074136000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1132 3808 WerFault.exe rundll32.exe

pid	pid_target	process	target process
1132	3808	WerFault.exe	rundll32.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

WerFault.exe

pid	process
1132	WerFault.exe
1132	WerFault.exe
1132	WerFault.exe
1132	WerFault.exe
1132	WerFault.exe
1132	WerFault.exe
1132	WerFault.exe
1132	WerFault.exe
1132	WerFault.exe
1132	WerFault.exe
1132	WerFault.exe
1132	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 1132 WerFault.exe
Token: SeBackupPrivilege 1132 WerFault.exe
Token: SeDebugPrivilege 1132 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	1132	WerFault.exe
Token: SeBackupPrivilege	1132	WerFault.exe
Token: SeDebugPrivilege	1132	WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 3140 wrote to memory of 3808	3140	rundll32.exe	rundll32.exe
PID 3140 wrote to memory of 3808	3140	rundll32.exe	rundll32.exe
PID 3140 wrote to memory of 3808	3140	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.AIDetect.malware1.2161.25481.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3140

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.AIDetect.malware1.2161.25481.dll,#1
2⤵
PID:3808

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3808 -s 644
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1132

Network

MITRE ATT&CK Matrix

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Downloads

memory/3808-115-0x0000000000000000-mapping.dmp

Download
memory/3808-116-0x00000000740C0000-0x0000000074136000-memory.dmp

Filesize
472KB

Download
memory/3808-118-0x00000000008D0000-0x00000000008D6000-memory.dmp

Filesize
24KB

Download