e8c5dba4d6ab197cc0165c7a6f5dd1494e1333d333f9a765876ccd5567f85b44

General

Target

56c3fc84c86ce2d5e9cf1bd595136ff1_JaffaCakes118.exe
Size

59KB
MD5

56c3fc84c86ce2d5e9cf1bd595136ff1
SHA1

91470cd3f8bc85ba00f49de61203163e4feb5c11
SHA256

e8c5dba4d6ab197cc0165c7a6f5dd1494e1333d333f9a765876ccd5567f85b44
SHA512

8bb6246b20b24ffe975edd6f9f74a2410616a6b6a66e5e0742cce98ad76eca9fe46c8c3ea1e8ba6ad4760f4a44ec5586f0f32069b498b54eeebd4382deb50e46
SSDEEP

768:XocAX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIocVSEFGocAX3LKew369lp2z3F:SKcR4mjD9r823FHKcR4mjD9r823FM

Score

7^/10

discovery persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4684	CTS.exe

Reads user/profile data of web browsers 3 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

Credentials from Web Browsers
T1555.003

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"	56c3fc84c86ce2d5e9cf1bd595136ff1_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	CTS.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1948-0-0x0000000000430000-0x0000000000447000-memory.dmp	upx
behavioral2/files/0x0008000000023ce3-8.dat	upx
behavioral2/memory/1948-9-0x0000000000430000-0x0000000000447000-memory.dmp	upx
behavioral2/memory/4684-7-0x0000000000DE0000-0x0000000000DF7000-memory.dmp	upx
behavioral2/files/0x000b000000023ac9-12.dat	upx
behavioral2/files/0x0008000000023cdd-29.dat	upx
behavioral2/memory/4684-31-0x0000000000DE0000-0x0000000000DF7000-memory.dmp	upx

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	56c3fc84c86ce2d5e9cf1bd595136ff1_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	56c3fc84c86ce2d5e9cf1bd595136ff1_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1948	56c3fc84c86ce2d5e9cf1bd595136ff1_JaffaCakes118.exe
Token: SeDebugPrivilege	4684	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1948 wrote to memory of 4684	1948	56c3fc84c86ce2d5e9cf1bd595136ff1_JaffaCakes118.exe	86
PID 1948 wrote to memory of 4684	1948	56c3fc84c86ce2d5e9cf1bd595136ff1_JaffaCakes118.exe	86
PID 1948 wrote to memory of 4684	1948	56c3fc84c86ce2d5e9cf1bd595136ff1_JaffaCakes118.exe	86

C:\Users\Admin\AppData\Local\Temp\56c3fc84c86ce2d5e9cf1bd595136ff1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\56c3fc84c86ce2d5e9cf1bd595136ff1_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:1948
- 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:4684

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

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

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

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Downloads

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

Filesize
382KB

MD5
7c86c98cf2e43914a9440122586e41e8

SHA1
820dbf205cc7a3bd0b01cd096ce5c9c682718940

SHA256
d14a16f983d6a790ccb6b07ccc5db48222433563d94d7e3ea39a10cdc4b58afc

SHA512
d4663722b834aca86bcab48dbebd5e27fc2064f45abc9f9c239e54c3604ac4a86781e5c16e32684251aaad55dc833e1760e5a23644e56c358fde26fefa2ff07e

Download Submit
C:\Users\Admin\AppData\Local\Temp\LXFxDoa8StRCEOE.exe

Filesize
59KB

MD5
4a60cd4c01292127783502cfb8a36864

SHA1
cb7aa3bd004984ba66fccf9612f0e093ded694a5

SHA256
77abfe4b175bac6dccb0a6d45061c37e56ef367bcb6a4f7c55c4e18a487e4fc1

SHA512
ae5bf14be4e6c62a5090a5f14c98573f83c77bacc493a5cdabd0b8f6b07094fa92012f6983bef0e1d1b365ff8e5fccca08c80bc00e61ea6be4ff236dd73375dd

Download Submit
C:\Windows\CTS.exe

Filesize
59KB

MD5
5efd390d5f95c8191f5ac33c4db4b143

SHA1
42d81b118815361daa3007f1a40f1576e9a9e0bc

SHA256
6028434636f349d801465f77af3a1e387a9c5032942ca6cadb6506d0800f2a74

SHA512
720fbe253483dc034307a57a2860c8629a760f883603198d1213f5290b7f236bf0f5f237728ebed50962be83dc7dc4abe61a1e9a55218778495fc6580eb20b3d

Download Submit
memory/1948-0-0x0000000000430000-0x0000000000447000-memory.dmp

Filesize
92KB

Download
memory/1948-9-0x0000000000430000-0x0000000000447000-memory.dmp

Filesize
92KB

Download
memory/4684-7-0x0000000000DE0000-0x0000000000DF7000-memory.dmp

Filesize
92KB

Download
memory/4684-31-0x0000000000DE0000-0x0000000000DF7000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads