fffc6d2e78a27a20b40f5f504949ff602d6a97423b2c3e13530fbc6e61dd65a3

General

Target

d3bed5cbc5561b25e69876caace1a18a_JaffaCakes118.exe
Size

273KB
MD5

d3bed5cbc5561b25e69876caace1a18a
SHA1

f7b30cda6aeb12714848f20ef7c339db2fa5d50b
SHA256

fffc6d2e78a27a20b40f5f504949ff602d6a97423b2c3e13530fbc6e61dd65a3
SHA512

a77620be8b86e963a9b659f32d6e2d2f097ebc1991c5a545ba16a3cf677d9dd69bbd5e844c0fb9e47815645783b1d946f3a7dc5045be00231b5b4cfd7cc52fd0
SSDEEP

6144:Tdzvst1CqHC6LQp1f0rk4xqx02e7keEEPcRA0:TheHHqfekFx022AEPcp

Score

7^/10

discovery persistence upx

Malware Config

Signatures

UPX packed file 15 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1204-7-0x0000000000400000-0x0000000000484000-memory.dmp	upx
behavioral1/memory/1204-4-0x0000000000400000-0x0000000000484000-memory.dmp	upx
behavioral1/memory/1204-8-0x0000000000400000-0x0000000000484000-memory.dmp	upx
behavioral1/memory/1204-10-0x0000000000400000-0x0000000000484000-memory.dmp	upx
behavioral1/memory/1204-9-0x0000000000400000-0x0000000000484000-memory.dmp	upx
behavioral1/memory/1204-11-0x0000000000400000-0x0000000000484000-memory.dmp	upx
behavioral1/memory/1204-12-0x0000000000400000-0x0000000000484000-memory.dmp	upx
behavioral1/memory/1204-13-0x0000000000400000-0x0000000000484000-memory.dmp	upx
behavioral1/memory/1204-22-0x0000000000400000-0x0000000000484000-memory.dmp	upx
behavioral1/memory/1204-23-0x0000000000400000-0x0000000000484000-memory.dmp	upx
behavioral1/memory/1204-28-0x0000000000400000-0x0000000000484000-memory.dmp	upx
behavioral1/memory/1204-31-0x0000000000400000-0x0000000000484000-memory.dmp	upx
behavioral1/memory/1204-32-0x0000000000400000-0x0000000000484000-memory.dmp	upx
behavioral1/memory/1204-36-0x0000000000400000-0x0000000000484000-memory.dmp	upx
behavioral1/memory/1204-38-0x0000000000400000-0x0000000000484000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\PSG = "\"C:\\ProgramData\\40daa1\\PS40d_328.exe\" /s"	d3bed5cbc5561b25e69876caace1a18a_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\PSG = "C:\\Users\\Admin\\AppData\\Local\\Temp\\d3bed5cbc5561b25e69876caace1a18a_JaffaCakes118.exe /cs:1 "	d3bed5cbc5561b25e69876caace1a18a_JaffaCakes118.exe

Checks for any installed AV software in registry 1 TTPs 1 IoCs

Security Software Discovery

T1518.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Eset\Nod\	d3bed5cbc5561b25e69876caace1a18a_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 632 set thread context of 1204	632	d3bed5cbc5561b25e69876caace1a18a_JaffaCakes118.exe	30

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 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	d3bed5cbc5561b25e69876caace1a18a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d3bed5cbc5561b25e69876caace1a18a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
2404	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2404	taskkill.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 632 wrote to memory of 1204	632	d3bed5cbc5561b25e69876caace1a18a_JaffaCakes118.exe	30
PID 632 wrote to memory of 1204	632	d3bed5cbc5561b25e69876caace1a18a_JaffaCakes118.exe	30
PID 632 wrote to memory of 1204	632	d3bed5cbc5561b25e69876caace1a18a_JaffaCakes118.exe	30
PID 632 wrote to memory of 1204	632	d3bed5cbc5561b25e69876caace1a18a_JaffaCakes118.exe	30
PID 632 wrote to memory of 1204	632	d3bed5cbc5561b25e69876caace1a18a_JaffaCakes118.exe	30
PID 632 wrote to memory of 1204	632	d3bed5cbc5561b25e69876caace1a18a_JaffaCakes118.exe	30
PID 1204 wrote to memory of 2404	1204	d3bed5cbc5561b25e69876caace1a18a_JaffaCakes118.exe	31
PID 1204 wrote to memory of 2404	1204	d3bed5cbc5561b25e69876caace1a18a_JaffaCakes118.exe	31
PID 1204 wrote to memory of 2404	1204	d3bed5cbc5561b25e69876caace1a18a_JaffaCakes118.exe	31
PID 1204 wrote to memory of 2404	1204	d3bed5cbc5561b25e69876caace1a18a_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\d3bed5cbc5561b25e69876caace1a18a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d3bed5cbc5561b25e69876caace1a18a_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:632
- C:\Users\Admin\AppData\Local\Temp\d3bed5cbc5561b25e69876caace1a18a_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\d3bed5cbc5561b25e69876caace1a18a_JaffaCakes118.exe" "C:\Users\Admin\AppData\Local\Temp\d3bed5cbc5561b25e69876caace1a18a_JaffaCakes118.exe"
  2⤵
  - Adds Run key to start application
  - Checks for any installed AV software in registry
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1204
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill.exe /F /IM MSASCui* /IM avg* /IM ash* /IM McSA* /IM msse*
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2404

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Software Discovery

1

T1518

Security Software Discovery

1

T1518.001

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/632-5-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1204-11-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/1204-13-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/1204-4-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/1204-2-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1204-8-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/1204-10-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/1204-9-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/1204-1-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/1204-7-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/1204-22-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/1204-12-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/1204-23-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/1204-28-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/1204-31-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/1204-32-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/1204-36-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/1204-38-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads