ee491aedf946edc54fbfe986995160ace7c3fb8f6a53ef3baab8e574f80af306

General

Target

c0bf88a48889c5372862f8d172c484e1_JaffaCakes118.exe
Size

713KB
MD5

c0bf88a48889c5372862f8d172c484e1
SHA1

150f10184c98ebe98261c8220a71dcb37d440e66
SHA256

ee491aedf946edc54fbfe986995160ace7c3fb8f6a53ef3baab8e574f80af306
SHA512

ccc7bbab28ecc19dc3a4b5d5943c8d6a18a6347fe3db06d10b736e189054f68fc5ae3673c0f5dcebb6bba4b06da5d76f0cfa3483dd32300bc21c558965985ec4
SSDEEP

12288:LLU2q/QlY8ML+aEfR+dv7dTgYjbovh5FRxweDjQApIgv:EQ+HVEfR+pd8Y/ovhRxweDVKU

Score

9^/10

collection credential_access discovery 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
behavioral2/memory/4284-14-0x0000000000400000-0x000000000045C000-memory.dmp	Nirsoft
behavioral2/memory/4284-16-0x0000000000400000-0x000000000045C000-memory.dmp	Nirsoft
behavioral2/memory/4284-17-0x0000000000400000-0x000000000045C000-memory.dmp	Nirsoft
behavioral2/memory/4284-23-0x0000000000400000-0x000000000045C000-memory.dmp	Nirsoft
behavioral2/memory/1432-25-0x0000000000400000-0x000000000041C000-memory.dmp	Nirsoft
behavioral2/memory/1432-27-0x0000000000400000-0x000000000041C000-memory.dmp	Nirsoft
behavioral2/memory/1432-28-0x0000000000400000-0x000000000041C000-memory.dmp	Nirsoft
behavioral2/memory/1432-31-0x0000000000400000-0x000000000041C000-memory.dmp	Nirsoft

NirSoft MailPassView 4 IoCs

Password recovery tool for various email clients

resource	yara_rule
behavioral2/memory/1432-25-0x0000000000400000-0x000000000041C000-memory.dmp	MailPassView
behavioral2/memory/1432-27-0x0000000000400000-0x000000000041C000-memory.dmp	MailPassView
behavioral2/memory/1432-28-0x0000000000400000-0x000000000041C000-memory.dmp	MailPassView
behavioral2/memory/1432-31-0x0000000000400000-0x000000000041C000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 4 IoCs

Password recovery tool for various web browsers

resource	yara_rule
behavioral2/memory/4284-14-0x0000000000400000-0x000000000045C000-memory.dmp	WebBrowserPassView
behavioral2/memory/4284-16-0x0000000000400000-0x000000000045C000-memory.dmp	WebBrowserPassView
behavioral2/memory/4284-17-0x0000000000400000-0x000000000045C000-memory.dmp	WebBrowserPassView
behavioral2/memory/4284-23-0x0000000000400000-0x000000000045C000-memory.dmp	WebBrowserPassView

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-1-5-21-355097885-2402257403-2971294179-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	vbc.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
63	bot.whatismyipaddress.com

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4472 set thread context of 3752	4472	c0bf88a48889c5372862f8d172c484e1_JaffaCakes118.exe	98
PID 3752 set thread context of 4284	3752	RegSvcs.exe	99
PID 3752 set thread context of 1432	3752	RegSvcs.exe	100

System Location Discovery: System Language Discovery 1 TTPs 4 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	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c0bf88a48889c5372862f8d172c484e1_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4284	vbc.exe
4284	vbc.exe
4284	vbc.exe
4284	vbc.exe
3752	RegSvcs.exe
3752	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3752	RegSvcs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3752	RegSvcs.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 4472 wrote to memory of 3752	4472	c0bf88a48889c5372862f8d172c484e1_JaffaCakes118.exe	98
PID 4472 wrote to memory of 3752	4472	c0bf88a48889c5372862f8d172c484e1_JaffaCakes118.exe	98
PID 4472 wrote to memory of 3752	4472	c0bf88a48889c5372862f8d172c484e1_JaffaCakes118.exe	98
PID 4472 wrote to memory of 3752	4472	c0bf88a48889c5372862f8d172c484e1_JaffaCakes118.exe	98
PID 4472 wrote to memory of 3752	4472	c0bf88a48889c5372862f8d172c484e1_JaffaCakes118.exe	98
PID 4472 wrote to memory of 3752	4472	c0bf88a48889c5372862f8d172c484e1_JaffaCakes118.exe	98
PID 4472 wrote to memory of 3752	4472	c0bf88a48889c5372862f8d172c484e1_JaffaCakes118.exe	98
PID 4472 wrote to memory of 3752	4472	c0bf88a48889c5372862f8d172c484e1_JaffaCakes118.exe	98
PID 3752 wrote to memory of 4284	3752	RegSvcs.exe	99
PID 3752 wrote to memory of 4284	3752	RegSvcs.exe	99
PID 3752 wrote to memory of 4284	3752	RegSvcs.exe	99
PID 3752 wrote to memory of 4284	3752	RegSvcs.exe	99
PID 3752 wrote to memory of 4284	3752	RegSvcs.exe	99
PID 3752 wrote to memory of 4284	3752	RegSvcs.exe	99
PID 3752 wrote to memory of 4284	3752	RegSvcs.exe	99
PID 3752 wrote to memory of 4284	3752	RegSvcs.exe	99
PID 3752 wrote to memory of 4284	3752	RegSvcs.exe	99
PID 3752 wrote to memory of 1432	3752	RegSvcs.exe	100
PID 3752 wrote to memory of 1432	3752	RegSvcs.exe	100
PID 3752 wrote to memory of 1432	3752	RegSvcs.exe	100
PID 3752 wrote to memory of 1432	3752	RegSvcs.exe	100
PID 3752 wrote to memory of 1432	3752	RegSvcs.exe	100
PID 3752 wrote to memory of 1432	3752	RegSvcs.exe	100
PID 3752 wrote to memory of 1432	3752	RegSvcs.exe	100
PID 3752 wrote to memory of 1432	3752	RegSvcs.exe	100
PID 3752 wrote to memory of 1432	3752	RegSvcs.exe	100

C:\Users\Admin\AppData\Local\Temp\c0bf88a48889c5372862f8d172c484e1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c0bf88a48889c5372862f8d172c484e1_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4472
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3752
- - 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\tmpA004.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    PID:4284
- - 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\tmpA41C.tmp"
    3⤵
    - Accesses Microsoft Outlook accounts
    - System Location Discovery: System Language Discovery
    PID:1432

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

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpA004.tmp

Filesize
4KB

MD5
a7e181f6aa185be0ab0ca68b30406fe6

SHA1
58c86162658dc609615b8b6400f85c92506dfdc8

SHA256
c3071dc55b94db225d9c0f2c1b21c7e8f27dbfd168b85b7d618d8d19950e7ff2

SHA512
49969eb10e0bf7925940eb7374451f811658ef9ccfb83b86fb337c4d06c3ba17eb0181f598d9e0ec9ca25bfaf644209ac47b73d62ac924e73d03a4dcf8f8dd0f

Download Submit
memory/1432-29-0x0000000000420000-0x00000000004E9000-memory.dmp

Filesize
804KB

Download
memory/1432-31-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1432-28-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1432-27-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1432-25-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/3752-7-0x0000000074C50000-0x0000000075201000-memory.dmp

Filesize
5.7MB

Download
memory/3752-10-0x0000000074C50000-0x0000000075201000-memory.dmp

Filesize
5.7MB

Download
memory/3752-9-0x0000000074C50000-0x0000000075201000-memory.dmp

Filesize
5.7MB

Download
memory/3752-11-0x0000000074C50000-0x0000000075201000-memory.dmp

Filesize
5.7MB

Download
memory/3752-13-0x0000000074C50000-0x0000000075201000-memory.dmp

Filesize
5.7MB

Download
memory/3752-32-0x0000000074C50000-0x0000000075201000-memory.dmp

Filesize
5.7MB

Download
memory/4284-17-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/4284-16-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/4284-23-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/4284-14-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/4472-8-0x0000000074C50000-0x0000000075201000-memory.dmp

Filesize
5.7MB

Download
memory/4472-0-0x0000000074C52000-0x0000000074C53000-memory.dmp

Filesize
4KB

Download
memory/4472-4-0x0000000074C50000-0x0000000075201000-memory.dmp

Filesize
5.7MB

Download
memory/4472-3-0x0000000074C52000-0x0000000074C53000-memory.dmp

Filesize
4KB

Download
memory/4472-2-0x0000000074C50000-0x0000000075201000-memory.dmp

Filesize
5.7MB

Download
memory/4472-1-0x0000000074C50000-0x0000000075201000-memory.dmp

Filesize
5.7MB

Download

Analysis

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