37f2dff34bbddcd3d57a37c8eba02573682e7b65e0f40596854fb249e72a13e4

Analysis

max time kernel
146s
max time network
101s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
01-07-2024 20:56

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General

Target

1c782c9fffda175a797d6df6927663ee_JaffaCakes118.exe
Size

71KB
MD5

1c782c9fffda175a797d6df6927663ee
SHA1

f33452369225156f5bb04e81f6b44c1aeeac7b19
SHA256

37f2dff34bbddcd3d57a37c8eba02573682e7b65e0f40596854fb249e72a13e4
SHA512

6f8832c83d3eff71b9797551a8daaaba3bb4624f81aca8eec470fe8dabaa844f98828eb196ac3f8e095605f0215da430694b8e9bedc2088a484dba8bad078229
SSDEEP

1536:SKulq/7wr0/aFJ5faI43BhTLv5uRBRZ4yJeK9KJdtmnpMW:Pu4/srDFJBt437LvwRBn4yJeK9+N

Score

10^/10

persistence upx

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1c782c9fffda175a797d6df6927663ee_JaffaCakes118.exe"	1c782c9fffda175a797d6df6927663ee_JaffaCakes118.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1968-0-0x0000000000400000-0x0000000000412000-memory.dmp	upx
behavioral2/memory/1968-2-0x0000000000400000-0x0000000000412000-memory.dmp	upx
behavioral2/memory/1968-3-0x0000000000400000-0x0000000000412000-memory.dmp	upx
behavioral2/memory/1968-6-0x0000000000400000-0x0000000000412000-memory.dmp	upx
behavioral2/memory/1968-4-0x0000000000400000-0x0000000000412000-memory.dmp	upx
behavioral2/memory/1968-5-0x0000000000400000-0x0000000000412000-memory.dmp	upx
behavioral2/memory/1968-7-0x0000000000400000-0x0000000000412000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\S10358124 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1c782c9fffda175a797d6df6927663ee_JaffaCakes118.exe"	1c782c9fffda175a797d6df6927663ee_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3696 set thread context of 1968	3696	1c782c9fffda175a797d6df6927663ee_JaffaCakes118.exe	90

Kills process with taskkill 1 IoCs

evasion

pid	Process
4424	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4424	taskkill.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3696 wrote to memory of 1968	3696	1c782c9fffda175a797d6df6927663ee_JaffaCakes118.exe	90
PID 3696 wrote to memory of 1968	3696	1c782c9fffda175a797d6df6927663ee_JaffaCakes118.exe	90
PID 3696 wrote to memory of 1968	3696	1c782c9fffda175a797d6df6927663ee_JaffaCakes118.exe	90
PID 3696 wrote to memory of 1968	3696	1c782c9fffda175a797d6df6927663ee_JaffaCakes118.exe	90
PID 3696 wrote to memory of 1968	3696	1c782c9fffda175a797d6df6927663ee_JaffaCakes118.exe	90
PID 3696 wrote to memory of 1968	3696	1c782c9fffda175a797d6df6927663ee_JaffaCakes118.exe	90
PID 3696 wrote to memory of 1968	3696	1c782c9fffda175a797d6df6927663ee_JaffaCakes118.exe	90
PID 3696 wrote to memory of 1968	3696	1c782c9fffda175a797d6df6927663ee_JaffaCakes118.exe	90
PID 1968 wrote to memory of 4424	1968	1c782c9fffda175a797d6df6927663ee_JaffaCakes118.exe	92
PID 1968 wrote to memory of 4424	1968	1c782c9fffda175a797d6df6927663ee_JaffaCakes118.exe	92
PID 1968 wrote to memory of 4424	1968	1c782c9fffda175a797d6df6927663ee_JaffaCakes118.exe	92

C:\Users\Admin\AppData\Local\Temp\1c782c9fffda175a797d6df6927663ee_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1c782c9fffda175a797d6df6927663ee_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3696
- C:\Users\Admin\AppData\Local\Temp\1c782c9fffda175a797d6df6927663ee_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\1c782c9fffda175a797d6df6927663ee_JaffaCakes118.exe
  2⤵
  - Modifies WinLogon for persistence
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:1968
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /F /IM explorer.exe
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4424

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1968-0-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

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memory/1968-2-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1968-3-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1968-6-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1968-4-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1968-5-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1968-7-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads