dridex | 7dc49d94f3243d9793f097a5d2bce6a515d6b0eac6a86f55f1c25ceaeece9662

Analysis

max time kernel
18s
max time network
116s
platform
windows10_x64
resource
win10v20210410
submitted
22-06-2021 05:49

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General

Target

7dc49d94f3243d9793f097a5d2bce6a515d6b0eac6a86f55f1c25ceaeece9662.dll
Size

160KB
MD5

53638e57ffd76c1127c23fdaee489b6e
SHA1

57e77f19fa3bd07b2dd38166d118b2528926c14a
SHA256

7dc49d94f3243d9793f097a5d2bce6a515d6b0eac6a86f55f1c25ceaeece9662
SHA512

65b68b3515eee8b4a3135ccfc8d071c4e4e271e35b6011b35d0b293cd2f5e4883d66668dd8fea57a7853774e80b92647fd984409bba521f71d248ec3e51c3922

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

94.247.168.64:443

159.203.93.122:8172

50.116.27.97:2303

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/3720-115-0x00000000739D0000-0x00000000739FE000-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 1736 wrote to memory of 3720	1736	rundll32.exe	rundll32.exe
PID 1736 wrote to memory of 3720	1736	rundll32.exe	rundll32.exe
PID 1736 wrote to memory of 3720	1736	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7dc49d94f3243d9793f097a5d2bce6a515d6b0eac6a86f55f1c25ceaeece9662.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1736

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7dc49d94f3243d9793f097a5d2bce6a515d6b0eac6a86f55f1c25ceaeece9662.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3720

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3720-114-0x0000000000000000-mapping.dmp

Download
memory/3720-115-0x00000000739D0000-0x00000000739FE000-memory.dmp

Filesize
184KB

Download
memory/3720-117-0x00000000023D0000-0x00000000023D6000-memory.dmp

Filesize
24KB

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