ddcc8ffdd06fa041e3886a43339446a593a159df90ca75f6bcc91bb7edcdb019

General

Target

dd6d36bb281db3da32da9426334f2940_JaffaCakes118.exe
Size

334KB
MD5

dd6d36bb281db3da32da9426334f2940
SHA1

e76ec64687f267f339c69a7d969b886a1678af90
SHA256

ddcc8ffdd06fa041e3886a43339446a593a159df90ca75f6bcc91bb7edcdb019
SHA512

bbc34090edc8076513f030c1aa6d2e624e19556bf25db6dc9ddb0ddc61cd2db6d020b570f3c9445676dca8b15e1109b20392905badc1f9ce8dc3f0d732b6a6c6
SSDEEP

6144:AZvMGeXGYyssC4G1Dh2su5yokyF4D4LlWNQDxvuqDKXonRHSbHLl9:AdM3XVyss76ksusywOTNWzokHZ9

Score

7^/10

discovery persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2200	4b2NyHsS3F8Rpd8.exe
4808	CTS.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3220-0-0x0000000000F80000-0x0000000000F97000-memory.dmp	upx
behavioral2/memory/3220-9-0x0000000000F80000-0x0000000000F97000-memory.dmp	upx
behavioral2/memory/4808-10-0x0000000000150000-0x0000000000167000-memory.dmp	upx
behavioral2/files/0x000800000002346e-8.dat	upx
behavioral2/files/0x000700000002338c-13.dat	upx
behavioral2/memory/4808-31-0x0000000000150000-0x0000000000167000-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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	dd6d36bb281db3da32da9426334f2940_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	CTS.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	dd6d36bb281db3da32da9426334f2940_JaffaCakes118.exe
File created	C:\Windows\CTS.exe	CTS.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	dd6d36bb281db3da32da9426334f2940_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3220	dd6d36bb281db3da32da9426334f2940_JaffaCakes118.exe
Token: SeDebugPrivilege	4808	CTS.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3220 wrote to memory of 2200	3220	dd6d36bb281db3da32da9426334f2940_JaffaCakes118.exe	83
PID 3220 wrote to memory of 2200	3220	dd6d36bb281db3da32da9426334f2940_JaffaCakes118.exe	83
PID 3220 wrote to memory of 4808	3220	dd6d36bb281db3da32da9426334f2940_JaffaCakes118.exe	84
PID 3220 wrote to memory of 4808	3220	dd6d36bb281db3da32da9426334f2940_JaffaCakes118.exe	84
PID 3220 wrote to memory of 4808	3220	dd6d36bb281db3da32da9426334f2940_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\dd6d36bb281db3da32da9426334f2940_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\dd6d36bb281db3da32da9426334f2940_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3220
- C:\Users\Admin\AppData\Local\Temp\4b2NyHsS3F8Rpd8.exe
  C:\Users\Admin\AppData\Local\Temp\4b2NyHsS3F8Rpd8.exe
  2⤵
  - Executes dropped EXE
  PID:2200
- C:\Windows\CTS.exe
  "C:\Windows\CTS.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4808

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

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml

Filesize
438KB

MD5
fb7ba7ab1dd0e3f44c7822a37e7edfce

SHA1
e81d6408f0af4223901f0fea6e3fd6bf8a62b2af

SHA256
d147547769ffbb94bdd940cc155a64cce2e4fbc254fdc82168c7b8098739d64e

SHA512
cddc33ed6bae63b019dbbf362209fb0ffd1276e2a8d6675dbc06dd9642edcee9a190a686590b65ae9164096f9a94a352c25fcfb8b41eb1df0cc248ef07f79756

Download Submit
C:\Users\Admin\AppData\Local\Temp\4b2NyHsS3F8Rpd8.exe

Filesize
217KB

MD5
f8a38fd27da720881c0af1ac99b8c1ad

SHA1
2ed31938119e2ebdeb0f5539c985e9965aef72d7

SHA256
b2e32b3fa44b3a9a8fdfa906627355f6f48b4821929f9bce5ded2d07894361d4

SHA512
aafa05bc5bd68687b998fe4d9a619caecc65d14f317af7a05ac0ecab7e231891e8719029245dc84eddce20bdd4c0cc6f4ffafdf8200227746b28cc6628564495

Download Submit
C:\Windows\CTS.exe

Filesize
117KB

MD5
90560322e00c64a66ef2099f55ff1f09

SHA1
1404109a21e4656daa9dc570c32e6385b6634344

SHA256
69346cf100b44fce4b64c433efc47601922b255c5d4182f4ecf1fcff1ca05bf4

SHA512
164e6e7654b55727940b212d56df47043f11e612b04cdfbc4c33ad455bbb5b1cece3882acc944cd526f3c5dcd519bcd1d01a3d796e95902bfc680f51dfe74f61

Download Submit
memory/3220-0-0x0000000000F80000-0x0000000000F97000-memory.dmp

Filesize
92KB

Download
memory/3220-9-0x0000000000F80000-0x0000000000F97000-memory.dmp

Filesize
92KB

Download
memory/4808-10-0x0000000000150000-0x0000000000167000-memory.dmp

Filesize
92KB

Download
memory/4808-31-0x0000000000150000-0x0000000000167000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads