dridex | c4ef907b7e5ae2c2a086167a707a46935b3f791892c718e6f9f3a174ef841225

Analysis

max time kernel
18s
max time network
113s
platform
windows10_x64
resource
win10v20210410
submitted
11-06-2021 02:10

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General

Target

c4ef907b7e5ae2c2a086167a707a46935b3f791892c718e6f9f3a174ef841225.dll
Size

170KB
MD5

aad33cd4aae4df40908a2f60eec10d89
SHA1

c418d5d857fe412240687f82b44527ecdf9b90b4
SHA256

c4ef907b7e5ae2c2a086167a707a46935b3f791892c718e6f9f3a174ef841225
SHA512

e4da07465caf5f4e0075af1bb868630e43b62f2931e23a6ac21b7f8bf764c693ca90e4e27308ef76e059601efe87522e3eaf515efd01db1808ce9c772faf377c

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/4080-115-0x00000000755E0000-0x0000000075610000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1968 4080 WerFault.exe rundll32.exe

pid	pid_target	process	target process
1968	4080	WerFault.exe	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

WerFault.exe

pid	process
1968	WerFault.exe
1968	WerFault.exe
1968	WerFault.exe
1968	WerFault.exe
1968	WerFault.exe
1968	WerFault.exe
1968	WerFault.exe
1968	WerFault.exe
1968	WerFault.exe
1968	WerFault.exe
1968	WerFault.exe
1968	WerFault.exe
1968	WerFault.exe
1968	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 1968 WerFault.exe
Token: SeBackupPrivilege 1968 WerFault.exe
Token: SeDebugPrivilege 1968 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	1968	WerFault.exe
Token: SeBackupPrivilege	1968	WerFault.exe
Token: SeDebugPrivilege	1968	WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4048 wrote to memory of 4080	4048	rundll32.exe	rundll32.exe
PID 4048 wrote to memory of 4080	4048	rundll32.exe	rundll32.exe
PID 4048 wrote to memory of 4080	4048	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c4ef907b7e5ae2c2a086167a707a46935b3f791892c718e6f9f3a174ef841225.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4048

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c4ef907b7e5ae2c2a086167a707a46935b3f791892c718e6f9f3a174ef841225.dll,#1
2⤵
PID:4080

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4080 -s 680
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1968

MITRE ATT&CK Matrix

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Downloads

memory/4080-114-0x0000000000000000-mapping.dmp

Download
memory/4080-115-0x00000000755E0000-0x0000000075610000-memory.dmp

Filesize
192KB

Download
memory/4080-117-0x0000000002D90000-0x0000000002D96000-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