yunsip | 74920ac283200cafdebb2dd36fbfeffae77db3c2bf2a06d597b289d95193e4e3

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
29-11-2024 12:21

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General

Target

74920ac283200cafdebb2dd36fbfeffae77db3c2bf2a06d597b289d95193e4e3N.dll
Size

711KB
MD5

8048dd5560a30cf6035baa33b3b635b0
SHA1

8fdb972c2aa2b09154f4e5d028d68a761adfd0fc
SHA256

74920ac283200cafdebb2dd36fbfeffae77db3c2bf2a06d597b289d95193e4e3
SHA512

3ec5af87fc26b3f55b10c846b0c6b587c456251b3f4bdf9f5f8a53c4e437262a377a0f17e31587dd464967e95f17a4a0ea251551cde8c412d4804efcc5b4d8bc
SSDEEP

3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q05:jDgtfRQUHPw06MoV2nwTBlhm8R

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
Yunsip family
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 856 wrote to memory of 1488	856	rundll32.exe	31
PID 856 wrote to memory of 1488	856	rundll32.exe	31
PID 856 wrote to memory of 1488	856	rundll32.exe	31
PID 856 wrote to memory of 1488	856	rundll32.exe	31
PID 856 wrote to memory of 1488	856	rundll32.exe	31
PID 856 wrote to memory of 1488	856	rundll32.exe	31
PID 856 wrote to memory of 1488	856	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\74920ac283200cafdebb2dd36fbfeffae77db3c2bf2a06d597b289d95193e4e3N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:856
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\74920ac283200cafdebb2dd36fbfeffae77db3c2bf2a06d597b289d95193e4e3N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1488

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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