yunsip | ce2572674764d14960893548d481b1aa5114819f4bff64283efe15c6e6a80d9a

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11-12-2024 13:50

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General

Target

e1c04cb26ff3ee5a46628eb8c93395dd_JaffaCakes118.dll
Size

309KB
MD5

e1c04cb26ff3ee5a46628eb8c93395dd
SHA1

84db9884851492b263744870d1c2892da22c13e8
SHA256

ce2572674764d14960893548d481b1aa5114819f4bff64283efe15c6e6a80d9a
SHA512

078ce73b74095191a59d9811ee2f0f44299e23874fe0f3ab78a3e01bee8eaba1f94bfe82ef5a4a7919a7adc54c8c003fbf933717a9513c8f76cec43944e35050
SSDEEP

3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0z:jDgtfRQUHPw06MoV2nwTBlhm8b

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 2168 wrote to memory of 2676	2168	rundll32.exe	31
PID 2168 wrote to memory of 2676	2168	rundll32.exe	31
PID 2168 wrote to memory of 2676	2168	rundll32.exe	31
PID 2168 wrote to memory of 2676	2168	rundll32.exe	31
PID 2168 wrote to memory of 2676	2168	rundll32.exe	31
PID 2168 wrote to memory of 2676	2168	rundll32.exe	31
PID 2168 wrote to memory of 2676	2168	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e1c04cb26ff3ee5a46628eb8c93395dd_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2168
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e1c04cb26ff3ee5a46628eb8c93395dd_JaffaCakes118.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2676

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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