b937002122aca9231893bf04a31e1b0136c8a726ff76532e18eaee82cdf59314

Analysis

max time kernel
133s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21/08/2024, 01:22

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General

Target

b19eaf56dc8bb8018e2a2a32aea0362a_JaffaCakes118.exe
Size

24KB
MD5

b19eaf56dc8bb8018e2a2a32aea0362a
SHA1

e9955b081932b15234b976031a79a11e1deaa4b2
SHA256

b937002122aca9231893bf04a31e1b0136c8a726ff76532e18eaee82cdf59314
SHA512

6682ca239b8d932388f6bda034104f54682ab76e691599064a71e4bdc2d921a1fb1907d01ba5f4e7d316f88b1ee18c007ebe77fcc1c1ff22517b8e3996073d29
SSDEEP

768:qJl7hktt/y0eOSPE3ezJsRtC9dQrvmMaMc:yhYgBPYeuRo9Gb

Score

7^/10

discovery upx

Malware Config

Signatures

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2592-0-0x0000000000400000-0x0000000000412000-memory.dmp	upx
behavioral2/memory/2592-1-0x0000000000400000-0x0000000000412000-memory.dmp	upx
behavioral2/memory/4628-2-0x0000000000400000-0x0000000000412000-memory.dmp	upx

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2592 set thread context of 4628	2592	b19eaf56dc8bb8018e2a2a32aea0362a_JaffaCakes118.exe	84

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3896	4628	WerFault.exe	84
4668	4628	WerFault.exe	84

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	b19eaf56dc8bb8018e2a2a32aea0362a_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2592	b19eaf56dc8bb8018e2a2a32aea0362a_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2592 wrote to memory of 4628	2592	b19eaf56dc8bb8018e2a2a32aea0362a_JaffaCakes118.exe	84
PID 2592 wrote to memory of 4628	2592	b19eaf56dc8bb8018e2a2a32aea0362a_JaffaCakes118.exe	84
PID 2592 wrote to memory of 4628	2592	b19eaf56dc8bb8018e2a2a32aea0362a_JaffaCakes118.exe	84
PID 2592 wrote to memory of 4628	2592	b19eaf56dc8bb8018e2a2a32aea0362a_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\b19eaf56dc8bb8018e2a2a32aea0362a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b19eaf56dc8bb8018e2a2a32aea0362a_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2592
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  PID:4628
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4628 -s 204
    3⤵
    - Program crash
    PID:3896
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4628 -s 212
    3⤵
    - Program crash
    PID:4668

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4628 -ip 4628
1⤵
PID:2100

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4628 -ip 4628
1⤵
PID:4288

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

Replay Monitor

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Downloads

memory/2592-0-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2592-1-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/4628-2-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download