f6f035624c49ffcc9f49643de0da166a4281c6003605c2e1cb1d9cca94d7acf3

General

Target

cfdab97a39bca1372a69212c37d97113_JaffaCakes118.exe
Size

364KB
MD5

cfdab97a39bca1372a69212c37d97113
SHA1

c03ad7e8a7f967feddbcee3cf6824f3bb751d479
SHA256

f6f035624c49ffcc9f49643de0da166a4281c6003605c2e1cb1d9cca94d7acf3
SHA512

33df9555105f9d5693064303b8e89a8541f313ff78161db84db95eab544fc3eccfa13208743b388a525574b894f454558cf28b145943af3b98c0f224de4f3d3b
SSDEEP

6144:JYb//1PxwEdIKCC0ef//uXltKc+LVsz9b8R4jvLXouVS7zCSyWqR:7EdFeCXuLKcCVsz6SDLXozzxy

Score

9^/10

collection discovery spyware stealer upx

Malware Config

Signatures

Detected Nirsoft tools 3 IoCs

Free utilities often used by attackers which can steal passwords, product keys, etc.

resource	yara_rule
behavioral1/memory/2200-16-0x0000000000400000-0x000000000041F000-memory.dmp	Nirsoft
behavioral1/memory/2200-15-0x0000000000400000-0x000000000041F000-memory.dmp	Nirsoft
behavioral1/memory/2200-19-0x0000000000400000-0x000000000041F000-memory.dmp	Nirsoft

NirSoft MailPassView 3 IoCs

Password recovery tool for various email clients

resource	yara_rule
behavioral1/memory/2200-16-0x0000000000400000-0x000000000041F000-memory.dmp	MailPassView
behavioral1/memory/2200-15-0x0000000000400000-0x000000000041F000-memory.dmp	MailPassView
behavioral1/memory/2200-19-0x0000000000400000-0x000000000041F000-memory.dmp	MailPassView

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

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	cfdab97a39bca1372a69212c37d97113_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1996 set thread context of 1916	1996	cfdab97a39bca1372a69212c37d97113_JaffaCakes118.exe	28
PID 1996 set thread context of 2200	1996	cfdab97a39bca1372a69212c37d97113_JaffaCakes118.exe	32

UPX packed file 11 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1916-4-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1916-2-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1916-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1916-7-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1916-6-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1916-9-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2200-12-0x0000000000400000-0x000000000041F000-memory.dmp	upx
behavioral1/memory/2200-16-0x0000000000400000-0x000000000041F000-memory.dmp	upx
behavioral1/memory/2200-15-0x0000000000400000-0x000000000041F000-memory.dmp	upx
behavioral1/memory/2200-14-0x0000000000400000-0x000000000041F000-memory.dmp	upx
behavioral1/memory/2200-19-0x0000000000400000-0x000000000041F000-memory.dmp	upx

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	cfdab97a39bca1372a69212c37d97113_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cfdab97a39bca1372a69212c37d97113_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cfdab97a39bca1372a69212c37d97113_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1996	cfdab97a39bca1372a69212c37d97113_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1996 wrote to memory of 1916	1996	cfdab97a39bca1372a69212c37d97113_JaffaCakes118.exe	28
PID 1996 wrote to memory of 1916	1996	cfdab97a39bca1372a69212c37d97113_JaffaCakes118.exe	28
PID 1996 wrote to memory of 1916	1996	cfdab97a39bca1372a69212c37d97113_JaffaCakes118.exe	28
PID 1996 wrote to memory of 1916	1996	cfdab97a39bca1372a69212c37d97113_JaffaCakes118.exe	28
PID 1996 wrote to memory of 1916	1996	cfdab97a39bca1372a69212c37d97113_JaffaCakes118.exe	28
PID 1996 wrote to memory of 1916	1996	cfdab97a39bca1372a69212c37d97113_JaffaCakes118.exe	28
PID 1996 wrote to memory of 1916	1996	cfdab97a39bca1372a69212c37d97113_JaffaCakes118.exe	28
PID 1996 wrote to memory of 1916	1996	cfdab97a39bca1372a69212c37d97113_JaffaCakes118.exe	28
PID 1996 wrote to memory of 1916	1996	cfdab97a39bca1372a69212c37d97113_JaffaCakes118.exe	28
PID 1996 wrote to memory of 2200	1996	cfdab97a39bca1372a69212c37d97113_JaffaCakes118.exe	32
PID 1996 wrote to memory of 2200	1996	cfdab97a39bca1372a69212c37d97113_JaffaCakes118.exe	32
PID 1996 wrote to memory of 2200	1996	cfdab97a39bca1372a69212c37d97113_JaffaCakes118.exe	32
PID 1996 wrote to memory of 2200	1996	cfdab97a39bca1372a69212c37d97113_JaffaCakes118.exe	32
PID 1996 wrote to memory of 2200	1996	cfdab97a39bca1372a69212c37d97113_JaffaCakes118.exe	32
PID 1996 wrote to memory of 2200	1996	cfdab97a39bca1372a69212c37d97113_JaffaCakes118.exe	32
PID 1996 wrote to memory of 2200	1996	cfdab97a39bca1372a69212c37d97113_JaffaCakes118.exe	32
PID 1996 wrote to memory of 2200	1996	cfdab97a39bca1372a69212c37d97113_JaffaCakes118.exe	32
PID 1996 wrote to memory of 2200	1996	cfdab97a39bca1372a69212c37d97113_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\cfdab97a39bca1372a69212c37d97113_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\cfdab97a39bca1372a69212c37d97113_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1996
- C:\Users\Admin\AppData\Local\Temp\cfdab97a39bca1372a69212c37d97113_JaffaCakes118.exe
  /scomma "C:\Users\Admin\AppData\Local\Temp\ctjh37jxi6.ini"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1916
- C:\Users\Admin\AppData\Local\Temp\cfdab97a39bca1372a69212c37d97113_JaffaCakes118.exe
  /scomma "C:\Users\Admin\AppData\Local\Temp\9d7pQsZGyq.ini"
  2⤵
  - Accesses Microsoft Outlook accounts
  - System Location Discovery: System Language Discovery
  PID:2200

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\ctjh37jxi6.ini

Filesize
5B

MD5
d1ea279fb5559c020a1b4137dc4de237

SHA1
db6f8988af46b56216a6f0daf95ab8c9bdb57400

SHA256
fcdcc2c46896915a1c695d6231f0fee336a668531b7a3da46178c80362546dba

SHA512
720e9c284f0559015312df7fe977563e5e16f48d3506e51eb4016adf7971924d352f740b030aa3adc81b6f65fd1dba12df06d10fa6c115074e5097e7ee0f08b3

Download Submit
memory/1916-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1916-2-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1916-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1916-7-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1916-6-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1916-9-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2200-12-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2200-16-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2200-15-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2200-14-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2200-19-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

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Analysis

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