icedid | 000318b978118a0ddf5804e1e31ac47fca8ad34cdd38c52ff1272325de25dac5

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-12-2024 06:49

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General

Target

csyj9.dll
Size

240KB
MD5

db1f692f30bec01c5b5ab09bcae2dbe0
SHA1

42f28d7c75f3aba64eeef0a7ab6827e768812a26
SHA256

f31146768e88b447a4fa65669c5511348872c8df40301453aede86336365d0b4
SHA512

e3a417c9aaa63ae60f8080e0a4c222b8908176b404ea1d4b340c7bf4706e630dde1ada803b7865526b77a0f754c43cb19059b51a43919ce23467240e079064bb
SSDEEP

3072:Su6Nt36EfNKj0li470vwt3nVr3DTFlxg9V2uFQ/iKEBLHOCEppy+:+Nx6Hj0cpvwt3VjDtgT2gQKKs1Epp

Score

10^/10

icedid banker discovery loader trojan

Malware Config

Extracted

Family

icedid

zomboboxer.top

Signatures

IcedID, BokBot
IcedID is a banking trojan capable of stealing credentials.
trojan banker icedid
Icedid family
icedid

IcedID First Stage Loader 2 IoCs

loader

resource	yara_rule
behavioral2/memory/4028-3-0x0000000002C00000-0x0000000002C4B000-memory.dmp	IcedidFirstLoader
behavioral2/memory/4028-4-0x0000000002C00000-0x0000000002C4B000-memory.dmp	IcedidFirstLoader

Blocklisted process makes network request 10 IoCs

flow	pid	Process
35	4028	rundll32.exe
38	4028	rundll32.exe
41	4028	rundll32.exe
44	4028	rundll32.exe
47	4028	rundll32.exe
54	4028	rundll32.exe
57	4028	rundll32.exe
63	4028	rundll32.exe
64	4028	rundll32.exe
67	4028	rundll32.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3580 wrote to memory of 4028	3580	rundll32.exe	83
PID 3580 wrote to memory of 4028	3580	rundll32.exe	83
PID 3580 wrote to memory of 4028	3580	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\csyj9.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3580
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\csyj9.dll,#1
  2⤵
  - Blocklisted process makes network request
  - System Location Discovery: System Language Discovery
  PID:4028

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4028-1-0x0000000002C00000-0x0000000002C4B000-memory.dmp

Filesize
300KB

Download
memory/4028-2-0x0000000002C39000-0x0000000002C3D000-memory.dmp

Filesize
16KB

Download
memory/4028-3-0x0000000002C00000-0x0000000002C4B000-memory.dmp

Filesize
300KB

Download
memory/4028-4-0x0000000002C00000-0x0000000002C4B000-memory.dmp

Filesize
300KB

Download
memory/4028-5-0x0000000002C39000-0x0000000002C3D000-memory.dmp

Filesize
16KB

Download