bcfbe5a54d320d71c45599a346acd80341728883a112d145c1417597c0076856

General

Target

ab8508e491d55654ed9f405a8f940424_JaffaCakes118.exe
Size

397KB
MD5

ab8508e491d55654ed9f405a8f940424
SHA1

892f7c38be2eb3337d739f4db725b0f809fd91be
SHA256

bcfbe5a54d320d71c45599a346acd80341728883a112d145c1417597c0076856
SHA512

88e55a08c0308de54fd2d5384b9190c4e9f61892c936fe83d9b870dcc1a67951587a729ad9cf76b71213b68cf626f53228efd2f8eeb354dee42baf06ceaeb56f
SSDEEP

12288:HwPckxPGuI5SD1csTcTX/4dpKHabucRI5yRoganssOP:+xtDNcTX1HqFR9anssOP

Score

9^/10

aspackv2 discovery spyware stealer

Malware Config

Signatures

Detected Nirsoft tools 8 IoCs

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

resource	yara_rule
behavioral2/memory/4544-9-0x0000000000400000-0x00000000004E6000-memory.dmp	Nirsoft
behavioral2/memory/4544-11-0x0000000000400000-0x00000000004E6000-memory.dmp	Nirsoft
behavioral2/memory/4544-12-0x0000000000400000-0x00000000004E6000-memory.dmp	Nirsoft
behavioral2/memory/4544-13-0x0000000000400000-0x00000000004E6000-memory.dmp	Nirsoft
behavioral2/memory/4544-14-0x0000000000400000-0x00000000004E6000-memory.dmp	Nirsoft
behavioral2/memory/4544-15-0x0000000000400000-0x00000000004E6000-memory.dmp	Nirsoft
behavioral2/memory/4544-16-0x0000000000400000-0x00000000004E6000-memory.dmp	Nirsoft
behavioral2/memory/4544-17-0x0000000000400000-0x00000000004E6000-memory.dmp	Nirsoft

NirSoft MailPassView 8 IoCs

Password recovery tool for various email clients

resource	yara_rule
behavioral2/memory/4544-9-0x0000000000400000-0x00000000004E6000-memory.dmp	MailPassView
behavioral2/memory/4544-11-0x0000000000400000-0x00000000004E6000-memory.dmp	MailPassView
behavioral2/memory/4544-12-0x0000000000400000-0x00000000004E6000-memory.dmp	MailPassView
behavioral2/memory/4544-13-0x0000000000400000-0x00000000004E6000-memory.dmp	MailPassView
behavioral2/memory/4544-14-0x0000000000400000-0x00000000004E6000-memory.dmp	MailPassView
behavioral2/memory/4544-15-0x0000000000400000-0x00000000004E6000-memory.dmp	MailPassView
behavioral2/memory/4544-16-0x0000000000400000-0x00000000004E6000-memory.dmp	MailPassView
behavioral2/memory/4544-17-0x0000000000400000-0x00000000004E6000-memory.dmp	MailPassView

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral2/memory/4544-0-0x0000000000400000-0x00000000004E6000-memory.dmp	aspack_v212_v242

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	ab8508e491d55654ed9f405a8f940424_JaffaCakes118.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1276	4544	WerFault.exe	83

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	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ab8508e491d55654ed9f405a8f940424_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4544 wrote to memory of 1056	4544	ab8508e491d55654ed9f405a8f940424_JaffaCakes118.exe	89
PID 4544 wrote to memory of 1056	4544	ab8508e491d55654ed9f405a8f940424_JaffaCakes118.exe	89
PID 4544 wrote to memory of 1056	4544	ab8508e491d55654ed9f405a8f940424_JaffaCakes118.exe	89
PID 1056 wrote to memory of 1516	1056	net.exe	91
PID 1056 wrote to memory of 1516	1056	net.exe	91
PID 1056 wrote to memory of 1516	1056	net.exe	91

C:\Users\Admin\AppData\Local\Temp\ab8508e491d55654ed9f405a8f940424_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ab8508e491d55654ed9f405a8f940424_JaffaCakes118.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4544
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4544 -s 396
  2⤵
  - Program crash
  PID:1276
- C:\Windows\SysWOW64\net.exe
  net stop SharedAccess
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1056
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop SharedAccess
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1516

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4544 -ip 4544
1⤵
PID:4948

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/4544-0-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/4544-2-0x00000000006A0000-0x00000000006E7000-memory.dmp

Filesize
284KB

Download
memory/4544-5-0x0000000002980000-0x00000000029F0000-memory.dmp

Filesize
448KB

Download
memory/4544-4-0x0000000000620000-0x000000000062C000-memory.dmp

Filesize
48KB

Download
memory/4544-3-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/4544-6-0x0000000002320000-0x0000000002321000-memory.dmp

Filesize
4KB

Download
memory/4544-8-0x00000000006A0000-0x00000000006E7000-memory.dmp

Filesize
284KB

Download
memory/4544-9-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/4544-10-0x0000000002320000-0x0000000002321000-memory.dmp

Filesize
4KB

Download
memory/4544-11-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/4544-12-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/4544-13-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/4544-14-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/4544-15-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/4544-16-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/4544-17-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download

Analysis

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