adddb577834025d4220c96acee917ee25df4e7063888ee1bcd7e20ec9905714f

General

Target

ef523bc52a8f5ba36c4a7f52460c7188_JaffaCakes118.exe
Size

552KB
MD5

ef523bc52a8f5ba36c4a7f52460c7188
SHA1

f83a55fa2457b8f1a4b4d28422fdaff72e48f36d
SHA256

adddb577834025d4220c96acee917ee25df4e7063888ee1bcd7e20ec9905714f
SHA512

ca9735d02ec96698bbd94b97b7df77e7dfc70a335fef88e35834db520c7a6306bbc938067430243057199d7f41af1f7fec99dad4bb47797ed9838c707a00336d
SSDEEP

12288:k9rD+H23OO3n/LpPxM35B9qgObN8F6qlfNUqIFzGRIF6nj1K20XdDixi8B7xDFC6:irDF3ln/Llib0J2

Score

9^/10

collection credential_access discovery spyware stealer

Malware Config

Signatures

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Detected Nirsoft tools 8 IoCs

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

Processes:

resource	yara_rule
behavioral1/memory/2460-17-0x0000000000400000-0x000000000045B000-memory.dmp	Nirsoft
behavioral1/memory/2460-16-0x0000000000400000-0x000000000045B000-memory.dmp	Nirsoft
behavioral1/memory/2460-14-0x0000000000400000-0x000000000045B000-memory.dmp	Nirsoft
behavioral1/memory/2460-23-0x0000000000400000-0x000000000045B000-memory.dmp	Nirsoft
behavioral1/memory/1464-34-0x0000000000400000-0x000000000041C000-memory.dmp	Nirsoft
behavioral1/memory/1464-36-0x0000000000400000-0x000000000041C000-memory.dmp	Nirsoft
behavioral1/memory/1464-37-0x0000000000400000-0x000000000041C000-memory.dmp	Nirsoft
behavioral1/memory/1464-39-0x0000000000400000-0x000000000041C000-memory.dmp	Nirsoft

NirSoft MailPassView 4 IoCs

Password recovery tool for various email clients

Processes:

resource	yara_rule
behavioral1/memory/1464-34-0x0000000000400000-0x000000000041C000-memory.dmp	MailPassView
behavioral1/memory/1464-36-0x0000000000400000-0x000000000041C000-memory.dmp	MailPassView
behavioral1/memory/1464-37-0x0000000000400000-0x000000000041C000-memory.dmp	MailPassView
behavioral1/memory/1464-39-0x0000000000400000-0x000000000041C000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 4 IoCs

Password recovery tool for various web browsers

Processes:

resource	yara_rule
behavioral1/memory/2460-17-0x0000000000400000-0x000000000045B000-memory.dmp	WebBrowserPassView
behavioral1/memory/2460-16-0x0000000000400000-0x000000000045B000-memory.dmp	WebBrowserPassView
behavioral1/memory/2460-14-0x0000000000400000-0x000000000045B000-memory.dmp	WebBrowserPassView
behavioral1/memory/2460-23-0x0000000000400000-0x000000000045B000-memory.dmp	WebBrowserPassView

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
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

Processes:

vbc.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	vbc.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

ef523bc52a8f5ba36c4a7f52460c7188_JaffaCakes118.exe

description	pid	process	target process
PID 1800 set thread context of 2460	1800	ef523bc52a8f5ba36c4a7f52460c7188_JaffaCakes118.exe	vbc.exe
PID 1800 set thread context of 1464	1800	ef523bc52a8f5ba36c4a7f52460c7188_JaffaCakes118.exe	vbc.exe

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

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

Processes:

ef523bc52a8f5ba36c4a7f52460c7188_JaffaCakes118.exevbc.exevbc.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ef523bc52a8f5ba36c4a7f52460c7188_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

vbc.exe

pid process

2460 vbc.exe
2460 vbc.exe
2460 vbc.exe
2460 vbc.exe
2460 vbc.exe
2460 vbc.exe

pid	process
2460	vbc.exe
2460	vbc.exe
2460	vbc.exe
2460	vbc.exe
2460	vbc.exe
2460	vbc.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

ef523bc52a8f5ba36c4a7f52460c7188_JaffaCakes118.exe

description	pid	process	target process
PID 1800 wrote to memory of 2460	1800	ef523bc52a8f5ba36c4a7f52460c7188_JaffaCakes118.exe	vbc.exe
PID 1800 wrote to memory of 2460	1800	ef523bc52a8f5ba36c4a7f52460c7188_JaffaCakes118.exe	vbc.exe
PID 1800 wrote to memory of 2460	1800	ef523bc52a8f5ba36c4a7f52460c7188_JaffaCakes118.exe	vbc.exe
PID 1800 wrote to memory of 2460	1800	ef523bc52a8f5ba36c4a7f52460c7188_JaffaCakes118.exe	vbc.exe
PID 1800 wrote to memory of 2460	1800	ef523bc52a8f5ba36c4a7f52460c7188_JaffaCakes118.exe	vbc.exe
PID 1800 wrote to memory of 2460	1800	ef523bc52a8f5ba36c4a7f52460c7188_JaffaCakes118.exe	vbc.exe
PID 1800 wrote to memory of 2460	1800	ef523bc52a8f5ba36c4a7f52460c7188_JaffaCakes118.exe	vbc.exe
PID 1800 wrote to memory of 2460	1800	ef523bc52a8f5ba36c4a7f52460c7188_JaffaCakes118.exe	vbc.exe
PID 1800 wrote to memory of 2460	1800	ef523bc52a8f5ba36c4a7f52460c7188_JaffaCakes118.exe	vbc.exe
PID 1800 wrote to memory of 2460	1800	ef523bc52a8f5ba36c4a7f52460c7188_JaffaCakes118.exe	vbc.exe
PID 1800 wrote to memory of 1464	1800	ef523bc52a8f5ba36c4a7f52460c7188_JaffaCakes118.exe	vbc.exe
PID 1800 wrote to memory of 1464	1800	ef523bc52a8f5ba36c4a7f52460c7188_JaffaCakes118.exe	vbc.exe
PID 1800 wrote to memory of 1464	1800	ef523bc52a8f5ba36c4a7f52460c7188_JaffaCakes118.exe	vbc.exe
PID 1800 wrote to memory of 1464	1800	ef523bc52a8f5ba36c4a7f52460c7188_JaffaCakes118.exe	vbc.exe
PID 1800 wrote to memory of 1464	1800	ef523bc52a8f5ba36c4a7f52460c7188_JaffaCakes118.exe	vbc.exe
PID 1800 wrote to memory of 1464	1800	ef523bc52a8f5ba36c4a7f52460c7188_JaffaCakes118.exe	vbc.exe
PID 1800 wrote to memory of 1464	1800	ef523bc52a8f5ba36c4a7f52460c7188_JaffaCakes118.exe	vbc.exe
PID 1800 wrote to memory of 1464	1800	ef523bc52a8f5ba36c4a7f52460c7188_JaffaCakes118.exe	vbc.exe
PID 1800 wrote to memory of 1464	1800	ef523bc52a8f5ba36c4a7f52460c7188_JaffaCakes118.exe	vbc.exe
PID 1800 wrote to memory of 1464	1800	ef523bc52a8f5ba36c4a7f52460c7188_JaffaCakes118.exe	vbc.exe

C:\Users\Admin\AppData\Local\Temp\ef523bc52a8f5ba36c4a7f52460c7188_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ef523bc52a8f5ba36c4a7f52460c7188_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1800

C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /stext "C:\Users\Admin\AppData\Local\Temp\tmpC33F.tmp"
2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:2460

C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /stext "C:\Users\Admin\AppData\Local\Temp\tmpB4EE.tmp"
2⤵
- Accesses Microsoft Outlook accounts
- System Location Discovery: System Language Discovery
PID:1464

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scripting

1

T1064

Persistence

Privilege Escalation

Defense Evasion

Scripting

1

T1064

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

Browser Information Discovery

1

T1217

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpC33F.tmp
Filesize
2B

MD5
f3b25701fe362ec84616a93a45ce9998

SHA1
d62636d8caec13f04e28442a0a6fa1afeb024bbb

SHA256
b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

SHA512
98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

Download Submit
memory/1464-29-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1464-31-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1464-34-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1464-39-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1464-37-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1464-30-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1464-36-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1464-25-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1464-27-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1800-3-0x0000000074830000-0x0000000074DDB000-memory.dmp

Filesize
5.7MB

Download
memory/1800-0-0x0000000074831000-0x0000000074832000-memory.dmp

Filesize
4KB

Download
memory/1800-2-0x0000000074830000-0x0000000074DDB000-memory.dmp

Filesize
5.7MB

Download
memory/1800-1-0x0000000074830000-0x0000000074DDB000-memory.dmp

Filesize
5.7MB

Download
memory/2460-16-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2460-23-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2460-7-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2460-9-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2460-10-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2460-11-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2460-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2460-14-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2460-17-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2460-5-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads