dridex | e0a1bef90aa90e68056306d0d0fe03043db0ba0eff2d7f63819133631302bff3

Analysis

max time kernel
22s
max time network
43s
platform
windows7_x64
resource
win7v20210410
submitted
28-07-2021 01:35

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General

Target

qInconsistentFormula.dll
Size

173KB
MD5

2b041349b4d1d04617a46340260ee214
SHA1

762ae3523e74aaa953d7b709f292910c5d2d3420
SHA256

e0a1bef90aa90e68056306d0d0fe03043db0ba0eff2d7f63819133631302bff3
SHA512

fbabe4b984d70ce72435abdb02fac0fb2c8c670044a5419d8519dd4f938b7d7e485cb5aa9738fff68f0d4d88a9246cb444ef415ece5f38a86bdbf99d233b7322

Score

10^/10

dridex 22202 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

22202

45.79.33.48:443

139.162.202.74:5007

68.183.216.174:7443

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/1684-61-0x0000000075470000-0x00000000754A0000-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 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1084 wrote to memory of 1684	1084	rundll32.exe	rundll32.exe
PID 1084 wrote to memory of 1684	1084	rundll32.exe	rundll32.exe
PID 1084 wrote to memory of 1684	1084	rundll32.exe	rundll32.exe
PID 1084 wrote to memory of 1684	1084	rundll32.exe	rundll32.exe
PID 1084 wrote to memory of 1684	1084	rundll32.exe	rundll32.exe
PID 1084 wrote to memory of 1684	1084	rundll32.exe	rundll32.exe
PID 1084 wrote to memory of 1684	1084	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\qInconsistentFormula.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1084

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\qInconsistentFormula.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1684

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/1684-59-0x0000000000000000-mapping.dmp

Download
memory/1684-60-0x0000000075A31000-0x0000000075A33000-memory.dmp

Filesize
8KB

Download
memory/1684-61-0x0000000075470000-0x00000000754A0000-memory.dmp

Filesize
192KB

Download
memory/1684-63-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download