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.

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

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

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

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

description	pid	Process	procid_target
PID 1800 set thread context of 2460	1800	ef523bc52a8f5ba36c4a7f52460c7188_JaffaCakes118.exe	31
PID 1800 set thread context of 1464	1800	ef523bc52a8f5ba36c4a7f52460c7188_JaffaCakes118.exe	33

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

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

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

description	pid	Process	procid_target
PID 1800 wrote to memory of 2460	1800	ef523bc52a8f5ba36c4a7f52460c7188_JaffaCakes118.exe	31
PID 1800 wrote to memory of 2460	1800	ef523bc52a8f5ba36c4a7f52460c7188_JaffaCakes118.exe	31
PID 1800 wrote to memory of 2460	1800	ef523bc52a8f5ba36c4a7f52460c7188_JaffaCakes118.exe	31
PID 1800 wrote to memory of 2460	1800	ef523bc52a8f5ba36c4a7f52460c7188_JaffaCakes118.exe	31
PID 1800 wrote to memory of 2460	1800	ef523bc52a8f5ba36c4a7f52460c7188_JaffaCakes118.exe	31
PID 1800 wrote to memory of 2460	1800	ef523bc52a8f5ba36c4a7f52460c7188_JaffaCakes118.exe	31
PID 1800 wrote to memory of 2460	1800	ef523bc52a8f5ba36c4a7f52460c7188_JaffaCakes118.exe	31
PID 1800 wrote to memory of 2460	1800	ef523bc52a8f5ba36c4a7f52460c7188_JaffaCakes118.exe	31
PID 1800 wrote to memory of 2460	1800	ef523bc52a8f5ba36c4a7f52460c7188_JaffaCakes118.exe	31
PID 1800 wrote to memory of 2460	1800	ef523bc52a8f5ba36c4a7f52460c7188_JaffaCakes118.exe	31
PID 1800 wrote to memory of 1464	1800	ef523bc52a8f5ba36c4a7f52460c7188_JaffaCakes118.exe	33
PID 1800 wrote to memory of 1464	1800	ef523bc52a8f5ba36c4a7f52460c7188_JaffaCakes118.exe	33
PID 1800 wrote to memory of 1464	1800	ef523bc52a8f5ba36c4a7f52460c7188_JaffaCakes118.exe	33
PID 1800 wrote to memory of 1464	1800	ef523bc52a8f5ba36c4a7f52460c7188_JaffaCakes118.exe	33
PID 1800 wrote to memory of 1464	1800	ef523bc52a8f5ba36c4a7f52460c7188_JaffaCakes118.exe	33
PID 1800 wrote to memory of 1464	1800	ef523bc52a8f5ba36c4a7f52460c7188_JaffaCakes118.exe	33
PID 1800 wrote to memory of 1464	1800	ef523bc52a8f5ba36c4a7f52460c7188_JaffaCakes118.exe	33
PID 1800 wrote to memory of 1464	1800	ef523bc52a8f5ba36c4a7f52460c7188_JaffaCakes118.exe	33
PID 1800 wrote to memory of 1464	1800	ef523bc52a8f5ba36c4a7f52460c7188_JaffaCakes118.exe	33
PID 1800 wrote to memory of 1464	1800	ef523bc52a8f5ba36c4a7f52460c7188_JaffaCakes118.exe	33

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

Network

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

Replay Monitor

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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

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