dridex | 2fa9206adf8e04fe8cc70c4025adbe7eb1d6dfe880ae4440b2df813bdb8764a8

Analysis

max time kernel
18s
max time network
116s
platform
windows10_x64
resource
win10v20210410
submitted
11-06-2021 02:54

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General

Target

2fa9206adf8e04fe8cc70c4025adbe7eb1d6dfe880ae4440b2df813bdb8764a8.dll
Size

170KB
MD5

43f7a3258226fb017e4b7afbc63f06a2
SHA1

32fbf80f6333e2ea2702cd1d9a347abfdda5d68b
SHA256

2fa9206adf8e04fe8cc70c4025adbe7eb1d6dfe880ae4440b2df813bdb8764a8
SHA512

d2e35c87fd77538df08f9fce9b43eda36c258b84752e6711f52b29d45053c0297fb7697901b520ffad282839da8d44ec3a33054727097f9de2c95a5745d1e8f6

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/4460-115-0x0000000074290000-0x00000000742C0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1904 4460 WerFault.exe rundll32.exe

pid	pid_target	process	target process
1904	4460	WerFault.exe	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

WerFault.exe

pid	process
1904	WerFault.exe
1904	WerFault.exe
1904	WerFault.exe
1904	WerFault.exe
1904	WerFault.exe
1904	WerFault.exe
1904	WerFault.exe
1904	WerFault.exe
1904	WerFault.exe
1904	WerFault.exe
1904	WerFault.exe
1904	WerFault.exe
1904	WerFault.exe
1904	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 1904 WerFault.exe
Token: SeBackupPrivilege 1904 WerFault.exe
Token: SeDebugPrivilege 1904 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	1904	WerFault.exe
Token: SeBackupPrivilege	1904	WerFault.exe
Token: SeDebugPrivilege	1904	WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4444 wrote to memory of 4460	4444	rundll32.exe	rundll32.exe
PID 4444 wrote to memory of 4460	4444	rundll32.exe	rundll32.exe
PID 4444 wrote to memory of 4460	4444	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2fa9206adf8e04fe8cc70c4025adbe7eb1d6dfe880ae4440b2df813bdb8764a8.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4444

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2fa9206adf8e04fe8cc70c4025adbe7eb1d6dfe880ae4440b2df813bdb8764a8.dll,#1
2⤵
PID:4460

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4460 -s 680
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1904

MITRE ATT&CK Matrix

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Downloads

memory/4460-114-0x0000000000000000-mapping.dmp

Download
memory/4460-115-0x0000000074290000-0x00000000742C0000-memory.dmp

Filesize
192KB

Download
memory/4460-117-0x0000000003400000-0x000000000354A000-memory.dmp

Filesize
1.3MB

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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