6013cc703975254df5fd9b560029ad0b8cfa0377006e4feacb189b85f998867e

General

Target

b7294a792d5ba69ba3fbed64c7448a5a_JaffaCakes118.exe
Size

71KB
MD5

b7294a792d5ba69ba3fbed64c7448a5a
SHA1

9646a0ee095361f1e42583540daf6072df097ec9
SHA256

6013cc703975254df5fd9b560029ad0b8cfa0377006e4feacb189b85f998867e
SHA512

3d17d6aa0b1fcfbe6838b26dd692fc4b98a7e4c11042559bfb2868f5567b14785cad5f121bd053016279a3219c560f963cb6d6bf1b9e3cef580a97167fb3957b
SSDEEP

1536:s9Z3KcR4mjD9r8226+v9Z3KcR4mjD9r8226+9:sr3KcWmjRrzSvr3KcWmjRrzS9

Score

7^/10

discovery persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3768	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 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1624-0-0x0000000000900000-0x0000000000917000-memory.dmp	upx
behavioral2/files/0x0008000000023421-6.dat	upx
behavioral2/memory/1624-7-0x0000000000900000-0x0000000000917000-memory.dmp	upx
behavioral2/memory/3768-8-0x0000000000D00000-0x0000000000D17000-memory.dmp	upx
behavioral2/files/0x001000000002334e-12.dat	upx
behavioral2/files/0x00090000000233ba-29.dat	upx
behavioral2/memory/3768-31-0x0000000000D00000-0x0000000000D17000-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"	b7294a792d5ba69ba3fbed64c7448a5a_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	b7294a792d5ba69ba3fbed64c7448a5a_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	b7294a792d5ba69ba3fbed64c7448a5a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1624	b7294a792d5ba69ba3fbed64c7448a5a_JaffaCakes118.exe
Token: SeDebugPrivilege	3768	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1624 wrote to memory of 3768	1624	b7294a792d5ba69ba3fbed64c7448a5a_JaffaCakes118.exe	83
PID 1624 wrote to memory of 3768	1624	b7294a792d5ba69ba3fbed64c7448a5a_JaffaCakes118.exe	83
PID 1624 wrote to memory of 3768	1624	b7294a792d5ba69ba3fbed64c7448a5a_JaffaCakes118.exe	83

C:\Users\Admin\AppData\Local\Temp\b7294a792d5ba69ba3fbed64c7448a5a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b7294a792d5ba69ba3fbed64c7448a5a_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:1624
- 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:3768

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

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Downloads

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

Filesize
394KB

MD5
6cce1d72ad61fd0f64d71b79baed67a6

SHA1
48fdb95d026a1a4066db71f3f4b97458e644a077

SHA256
80e074a02b31afe318544cf2c1944ffbc1b0c1cc9ecf0a6f08cc585d3f4cb292

SHA512
a5a4de998130b33fa3694c29b2afa9be9c3dc61c72690069e5307fb411ebb1748a6c758d7d63318b35ad43c1fd98324634db4674a57feda4dbf8aabac4d9a6bc

Download Submit
C:\Users\Admin\AppData\Local\Temp\Rn8y5SvTe2lSDlF.exe

Filesize
71KB

MD5
58ef45460ba35ed0729949b085cd2d0a

SHA1
0cad95778e59563e67eabbae3df597eaa9e04983

SHA256
3fc7fea8d524e4b2ad66c52ba3a5a3ac121b0c72877cd0fc053999fd94c071bf

SHA512
fe42dbb7246cac444b6317dbc6cbbc548ab3504478abd9715839b1417e80f71cba7a9fedffbf453c9121f58ce77af0dc9269163907708394d053bda9a85c2e21

Download Submit
C:\Windows\CTS.exe

Filesize
71KB

MD5
22069d1278ebf7d1758e20c4b118c39a

SHA1
cfd6c00953bc91dfa91a809e99a230b0ad222eec

SHA256
c4875ef691c5e0dbcdc5dd700f610042ec63e251f184150eeb3e7ab1dde3c9ba

SHA512
7ffbb4fce2779e7dc7ea19773a843eb174eb9e8dfc136a45ce8606c6c1657887f73409bfc780c391fe38dacc56c8a6ca4f84d3656236d631b42ec2946346b61d

Download Submit
memory/1624-0-0x0000000000900000-0x0000000000917000-memory.dmp

Filesize
92KB

Download
memory/1624-7-0x0000000000900000-0x0000000000917000-memory.dmp

Filesize
92KB

Download
memory/3768-8-0x0000000000D00000-0x0000000000D17000-memory.dmp

Filesize
92KB

Download
memory/3768-31-0x0000000000D00000-0x0000000000D17000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads