dridex | 3e4571b9def27d631058ddbe108877782b028005d1705a76e342f728fcadb25d

Analysis

max time kernel
103s
max time network
111s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 18:11

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General

Target

3e4571b9def27d631058ddbe108877782b028005d1705a76e342f728fcadb25d.dll
Size

157KB
MD5

595e2f4fc40add6fc1655e1969a5df57
SHA1

6ac62ce5712c91fd6494c4bdf5b3830eaa7df698
SHA256

3e4571b9def27d631058ddbe108877782b028005d1705a76e342f728fcadb25d
SHA512

3f475b0b3367c67113ba6fdbfc9fdb08ec7a59d1636927f864766b466e92f3d2adf8f84180f2a0d984aca41bfa7031c88adf3c9ee0ab2429e1981d32a81be5f0

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

159.8.59.82:443

51.91.156.39:2303

67.196.50.240:8172

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/1408-115-0x0000000074440000-0x000000007446D000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

rundll32.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 808 wrote to memory of 1408	808	rundll32.exe	rundll32.exe
PID 808 wrote to memory of 1408	808	rundll32.exe	rundll32.exe
PID 808 wrote to memory of 1408	808	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3e4571b9def27d631058ddbe108877782b028005d1705a76e342f728fcadb25d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:808

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3e4571b9def27d631058ddbe108877782b028005d1705a76e342f728fcadb25d.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1408

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1408-114-0x0000000000000000-mapping.dmp

Download
memory/1408-115-0x0000000074440000-0x000000007446D000-memory.dmp

Filesize
180KB

Download
memory/1408-117-0x00000000032B0000-0x00000000032B6000-memory.dmp

Filesize
24KB

Download