b965c405e5cde17a4bec38a3db8bbbd019ce0fd5d5bca93aa64e980839f295d3

General

Target

a4dfef7b46fbf00230026d73014a2d6d_JaffaCakes118.exe
Size

395KB
MD5

a4dfef7b46fbf00230026d73014a2d6d
SHA1

796daac0c7b4a15cc41cef70fb4888273c5827ae
SHA256

b965c405e5cde17a4bec38a3db8bbbd019ce0fd5d5bca93aa64e980839f295d3
SHA512

c76aa796d07095a5d97bb6b67e5e2252a23b2f52aa8ac74ca496200be5316b301cf3149ea7c871ba4b3af2cd6e46211c76b5304853c394b768e360227a9b0d8b
SSDEEP

12288:6+uoYjv7pMKT6izSlIMt7lEzZS8S9KOkanssOP:Goa11zzeJEzgr9fkanssOP

Score

9^/10

discovery spyware stealer

Malware Config

Signatures

Detected Nirsoft tools 6 IoCs

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

resource	yara_rule
behavioral1/memory/624-8-0x0000000000400000-0x00000000004E5000-memory.dmp	Nirsoft
behavioral1/memory/624-10-0x0000000000400000-0x00000000004E5000-memory.dmp	Nirsoft
behavioral1/memory/624-11-0x0000000000400000-0x00000000004E5000-memory.dmp	Nirsoft
behavioral1/memory/624-12-0x0000000000400000-0x00000000004E5000-memory.dmp	Nirsoft
behavioral1/memory/624-13-0x0000000000400000-0x00000000004E5000-memory.dmp	Nirsoft
behavioral1/memory/624-14-0x0000000000400000-0x00000000004E5000-memory.dmp	Nirsoft

NirSoft MailPassView 6 IoCs

Password recovery tool for various email clients

resource	yara_rule
behavioral1/memory/624-8-0x0000000000400000-0x00000000004E5000-memory.dmp	MailPassView
behavioral1/memory/624-10-0x0000000000400000-0x00000000004E5000-memory.dmp	MailPassView
behavioral1/memory/624-11-0x0000000000400000-0x00000000004E5000-memory.dmp	MailPassView
behavioral1/memory/624-12-0x0000000000400000-0x00000000004E5000-memory.dmp	MailPassView
behavioral1/memory/624-13-0x0000000000400000-0x00000000004E5000-memory.dmp	MailPassView
behavioral1/memory/624-14-0x0000000000400000-0x00000000004E5000-memory.dmp	MailPassView

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
Network Share Discovery 1 TTPs
Attempt to gather information on host network.
discovery

Network Share Discovery
T1135

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\owner.exe	a4dfef7b46fbf00230026d73014a2d6d_JaffaCakes118.exe

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	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a4dfef7b46fbf00230026d73014a2d6d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 624 wrote to memory of 2216	624	a4dfef7b46fbf00230026d73014a2d6d_JaffaCakes118.exe	31
PID 624 wrote to memory of 2216	624	a4dfef7b46fbf00230026d73014a2d6d_JaffaCakes118.exe	31
PID 624 wrote to memory of 2216	624	a4dfef7b46fbf00230026d73014a2d6d_JaffaCakes118.exe	31
PID 624 wrote to memory of 2216	624	a4dfef7b46fbf00230026d73014a2d6d_JaffaCakes118.exe	31
PID 2216 wrote to memory of 2500	2216	net.exe	33
PID 2216 wrote to memory of 2500	2216	net.exe	33
PID 2216 wrote to memory of 2500	2216	net.exe	33
PID 2216 wrote to memory of 2500	2216	net.exe	33

C:\Users\Admin\AppData\Local\Temp\a4dfef7b46fbf00230026d73014a2d6d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a4dfef7b46fbf00230026d73014a2d6d_JaffaCakes118.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:624
- C:\Windows\SysWOW64\net.exe
  net stop SharedAccess
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2216
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop SharedAccess
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2500

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Network Share Discovery

1

T1135

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

Replay Monitor

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Downloads

memory/624-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/624-2-0x0000000000400000-0x00000000004E5000-memory.dmp

Filesize
916KB

Download
memory/624-4-0x0000000000390000-0x00000000003FF000-memory.dmp

Filesize
444KB

Download
memory/624-3-0x0000000000340000-0x0000000000387000-memory.dmp

Filesize
284KB

Download
memory/624-6-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/624-5-0x0000000000220000-0x000000000022C000-memory.dmp

Filesize
48KB

Download
memory/624-9-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/624-8-0x0000000000400000-0x00000000004E5000-memory.dmp

Filesize
916KB

Download
memory/624-10-0x0000000000400000-0x00000000004E5000-memory.dmp

Filesize
916KB

Download
memory/624-11-0x0000000000400000-0x00000000004E5000-memory.dmp

Filesize
916KB

Download
memory/624-12-0x0000000000400000-0x00000000004E5000-memory.dmp

Filesize
916KB

Download
memory/624-13-0x0000000000400000-0x00000000004E5000-memory.dmp

Filesize
916KB

Download
memory/624-14-0x0000000000400000-0x00000000004E5000-memory.dmp

Filesize
916KB

Download

Analysis

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