yunsip | e9b4584396088b831238454897b1360b679bad19e65cadcbf80918d9b394a160

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
04-10-2024 03:39

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General

Target

11ae9b3ca80e49fd2ab33154643ec95c_JaffaCakes118.dll
Size

375KB
MD5

11ae9b3ca80e49fd2ab33154643ec95c
SHA1

79605ac1f5e69c30ec70131bd30cda41bd62b78b
SHA256

e9b4584396088b831238454897b1360b679bad19e65cadcbf80918d9b394a160
SHA512

3b30446c53b431d5a585250693ca91ea539678b09db7fa4408db18325295d07885a9c5b3d7c1b65516ed5ec39c4fd99692cb51b6bd204185f42b4dd47da692f1
SSDEEP

3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0Y:jDgtfRQUHPw06MoV2nwTBlhm8A

Score

10^/10

yunsip banker discovery trojan

Malware Config

Signatures

Yunsip
Remote backdoor which communicates with a C2 server to receive commands.
trojan banker yunsip

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 7 IoCs

description	pid	Process	procid_target
PID 2700 wrote to memory of 2388	2700	rundll32.exe	30
PID 2700 wrote to memory of 2388	2700	rundll32.exe	30
PID 2700 wrote to memory of 2388	2700	rundll32.exe	30
PID 2700 wrote to memory of 2388	2700	rundll32.exe	30
PID 2700 wrote to memory of 2388	2700	rundll32.exe	30
PID 2700 wrote to memory of 2388	2700	rundll32.exe	30
PID 2700 wrote to memory of 2388	2700	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\11ae9b3ca80e49fd2ab33154643ec95c_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2700
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\11ae9b3ca80e49fd2ab33154643ec95c_JaffaCakes118.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2388

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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