15bbca27ba7b7d64637b0d9ebf9696d4b8a3e4b5542e20212de2763ab5d944da

General

Target

93a03728051a0a301b6b0726a324da11_JaffaCakes118.exe
Size

44KB
MD5

93a03728051a0a301b6b0726a324da11
SHA1

a1988e5c8ee9d119261c50897c3f092a044dc599
SHA256

15bbca27ba7b7d64637b0d9ebf9696d4b8a3e4b5542e20212de2763ab5d944da
SHA512

27c3e0c7597812f6bac94bcaa74f1838f059d93ee89bd1836ae4f56c12ee40fa21aef0c2839e739ed19dc552ffe1b3e17341a16e2b09d28bbac641d84b772584
SSDEEP

768:eyX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIoFAZmUhpMCQrP5ntyuJ9Ab:egKcR4mjD9r82cSMCQD5d2

Score

7^/10

discovery persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
948	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/3952-0-0x00000000002C0000-0x00000000002D7000-memory.dmp	upx
behavioral2/files/0x000a0000000234c4-6.dat	upx
behavioral2/memory/3952-7-0x00000000002C0000-0x00000000002D7000-memory.dmp	upx
behavioral2/memory/948-9-0x0000000000130000-0x0000000000147000-memory.dmp	upx
behavioral2/files/0x0007000000023394-12.dat	upx
behavioral2/files/0x000900000002346a-30.dat	upx
behavioral2/memory/948-33-0x0000000000130000-0x0000000000147000-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"	93a03728051a0a301b6b0726a324da11_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	93a03728051a0a301b6b0726a324da11_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	93a03728051a0a301b6b0726a324da11_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3952	93a03728051a0a301b6b0726a324da11_JaffaCakes118.exe
Token: SeDebugPrivilege	948	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3952 wrote to memory of 948	3952	93a03728051a0a301b6b0726a324da11_JaffaCakes118.exe	84
PID 3952 wrote to memory of 948	3952	93a03728051a0a301b6b0726a324da11_JaffaCakes118.exe	84
PID 3952 wrote to memory of 948	3952	93a03728051a0a301b6b0726a324da11_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\93a03728051a0a301b6b0726a324da11_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\93a03728051a0a301b6b0726a324da11_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:3952
- 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:948

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
349KB

MD5
09132fda68921e5b2a95eb2ca64fc487

SHA1
80fee3ab4c9171e2706c39cc584a4fc423ac4cbf

SHA256
c3f4fd99475eb81577a42c0fbec15aa375e853111ea0e9f382b25722dac45289

SHA512
db9862f04129123f9044b6f5b1d8131fc422cebe33d8feb34a60622a10f40e19e96385b10491c242400b675d9c5e6ecadd855182f7336b7d5538ceab69788b00

Download Submit
C:\Users\Admin\AppData\Local\Temp\siC06il85MrIXi9.exe

Filesize
44KB

MD5
02e866e507b8ae43c9868575401fe204

SHA1
1bdc4bc81d47edf9864c534a4b55a9286dedbf85

SHA256
06a660fd9091fd14cec34f949cc0a6c8ee482c5e5ea83dc53dde38581b2f45f9

SHA512
f4b32b5906e38cdf3ca702ab318f53fc967d17336e6bff9757212a8186c2dc28102d419efbf6b7eddcc7ee23892b6569ded3679a908a963d07af9f9d20ac4fdc

Download Submit
C:\Windows\CTS.exe

Filesize
28KB

MD5
e6150447c894ade7b2b9ee88d5933922

SHA1
dc62f7f9ff1a492adadbc8b6321c0b7b9cd973d1

SHA256
b612d46644d0e4a3829c4d6715f71d979103aa487624805363b36f5b4f92b118

SHA512
d6db2b459723005662a646357bd60ab6e5cf77ab4f83868c91e725e45c32b44900c32724883df6aa4a0e85cbf7441bea159334f3080cfe8e7acec540aa996ff0

Download Submit
memory/948-9-0x0000000000130000-0x0000000000147000-memory.dmp

Filesize
92KB

Download
memory/948-33-0x0000000000130000-0x0000000000147000-memory.dmp

Filesize
92KB

Download
memory/3952-0-0x00000000002C0000-0x00000000002D7000-memory.dmp

Filesize
92KB

Download
memory/3952-7-0x00000000002C0000-0x00000000002D7000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads