isrstealer | 7692259c2ffabd717f0ca3c68702e8fabf6b3294b8a61ede5757d21834468a1c

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02-10-2024 20:33

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General

Target

0c5c70f2ed7ec1b49a592777340ecd2d_JaffaCakes118.exe
Size

487KB
MD5

0c5c70f2ed7ec1b49a592777340ecd2d
SHA1

dc2acb0ff964e1269c2f5879573fca2653f1b66d
SHA256

7692259c2ffabd717f0ca3c68702e8fabf6b3294b8a61ede5757d21834468a1c
SHA512

5e22ad0463b636a13975eeddfdccd7c676cbdc63850b280247da011f139e415a5f03663e29a87a997ca90e2031dbd0acb89fa817d3943685e7cd66c46e6c7ba5
SSDEEP

12288:m8is8q5pvWYM+tLdy1V7UqkBZDUhog6DaWUboSQ:NR7hdyvU3jOoxUu

Score

10^/10

isrstealer collection discovery spyware stealer trojan upx

Malware Config

Signatures

ISR Stealer
ISR Stealer is a modified version of Hackhound Stealer written in visual basic.
trojan stealer isrstealer

ISR Stealer payload 10 IoCs

resource	yara_rule
behavioral1/memory/1652-64-0x0000000000400000-0x0000000000442000-memory.dmp	family_isrstealer
behavioral1/memory/1444-55-0x0000000000400000-0x0000000000449000-memory.dmp	family_isrstealer
behavioral1/memory/1652-53-0x0000000000400000-0x0000000000442000-memory.dmp	family_isrstealer
behavioral1/memory/1444-49-0x0000000000400000-0x0000000000449000-memory.dmp	family_isrstealer
behavioral1/memory/1652-47-0x0000000000400000-0x0000000000442000-memory.dmp	family_isrstealer
behavioral1/memory/1444-34-0x0000000000400000-0x0000000000449000-memory.dmp	family_isrstealer
behavioral1/memory/1444-31-0x0000000000400000-0x0000000000449000-memory.dmp	family_isrstealer
behavioral1/memory/1652-72-0x0000000000400000-0x0000000000442000-memory.dmp	family_isrstealer
behavioral1/memory/1652-75-0x0000000000400000-0x0000000000442000-memory.dmp	family_isrstealer
behavioral1/memory/1652-84-0x0000000000400000-0x0000000000442000-memory.dmp	family_isrstealer

Detected Nirsoft tools 2 IoCs

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

resource	yara_rule
behavioral1/memory/1484-80-0x0000000000400000-0x000000000041F000-memory.dmp	Nirsoft
behavioral1/memory/1484-82-0x0000000000400000-0x000000000041F000-memory.dmp	Nirsoft

NirSoft MailPassView 2 IoCs

Password recovery tool for various email clients

resource	yara_rule
behavioral1/memory/1484-80-0x0000000000400000-0x000000000041F000-memory.dmp	MailPassView
behavioral1/memory/1484-82-0x0000000000400000-0x000000000041F000-memory.dmp	MailPassView

Reads user/profile data of web browsers 3 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

Credentials from Web Browsers
T1555.003

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	0c5c70f2ed7ec1b49a592777340ecd2d_JaffaCakes118.exe

Suspicious use of SetThreadContext 5 IoCs

description	pid	Process	procid_target
PID 2668 set thread context of 1444	2668	0c5c70f2ed7ec1b49a592777340ecd2d_JaffaCakes118.exe	30
PID 2668 set thread context of 1996	2668	0c5c70f2ed7ec1b49a592777340ecd2d_JaffaCakes118.exe	31
PID 1444 set thread context of 1652	1444	0c5c70f2ed7ec1b49a592777340ecd2d_JaffaCakes118.exe	32
PID 1652 set thread context of 2872	1652	0c5c70f2ed7ec1b49a592777340ecd2d_JaffaCakes118.exe	33
PID 1652 set thread context of 1484	1652	0c5c70f2ed7ec1b49a592777340ecd2d_JaffaCakes118.exe	36

UPX packed file 23 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2668-0-0x0000000000400000-0x00000000005A3000-memory.dmp	upx
behavioral1/memory/1444-9-0x0000000000400000-0x0000000000449000-memory.dmp	upx
behavioral1/memory/2872-63-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2872-66-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1444-55-0x0000000000400000-0x0000000000449000-memory.dmp	upx
behavioral1/memory/1444-50-0x0000000002650000-0x00000000027F3000-memory.dmp	upx
behavioral1/memory/1444-49-0x0000000000400000-0x0000000000449000-memory.dmp	upx
behavioral1/memory/2872-62-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2872-60-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1444-7-0x0000000000400000-0x0000000000449000-memory.dmp	upx
behavioral1/memory/1444-34-0x0000000000400000-0x0000000000449000-memory.dmp	upx
behavioral1/memory/1444-31-0x0000000000400000-0x0000000000449000-memory.dmp	upx
behavioral1/memory/2668-30-0x0000000000400000-0x00000000005A3000-memory.dmp	upx
behavioral1/memory/2668-4-0x0000000000400000-0x00000000005A3000-memory.dmp	upx
behavioral1/memory/1444-26-0x0000000000400000-0x0000000000449000-memory.dmp	upx
behavioral1/memory/1444-14-0x0000000000400000-0x0000000000449000-memory.dmp	upx
behavioral1/memory/2872-70-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1484-79-0x0000000000400000-0x000000000041F000-memory.dmp	upx
behavioral1/memory/1484-78-0x0000000000400000-0x000000000041F000-memory.dmp	upx
behavioral1/memory/1652-77-0x00000000038D0000-0x0000000003A73000-memory.dmp	upx
behavioral1/memory/1484-76-0x0000000000400000-0x000000000041F000-memory.dmp	upx
behavioral1/memory/1484-80-0x0000000000400000-0x000000000041F000-memory.dmp	upx
behavioral1/memory/1484-82-0x0000000000400000-0x000000000041F000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 5 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	0c5c70f2ed7ec1b49a592777340ecd2d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0c5c70f2ed7ec1b49a592777340ecd2d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0c5c70f2ed7ec1b49a592777340ecd2d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0c5c70f2ed7ec1b49a592777340ecd2d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0c5c70f2ed7ec1b49a592777340ecd2d_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2668	0c5c70f2ed7ec1b49a592777340ecd2d_JaffaCakes118.exe
1444	0c5c70f2ed7ec1b49a592777340ecd2d_JaffaCakes118.exe
1652	0c5c70f2ed7ec1b49a592777340ecd2d_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 43 IoCs

description	pid	Process	procid_target
PID 2668 wrote to memory of 1444	2668	0c5c70f2ed7ec1b49a592777340ecd2d_JaffaCakes118.exe	30
PID 2668 wrote to memory of 1444	2668	0c5c70f2ed7ec1b49a592777340ecd2d_JaffaCakes118.exe	30
PID 2668 wrote to memory of 1444	2668	0c5c70f2ed7ec1b49a592777340ecd2d_JaffaCakes118.exe	30
PID 2668 wrote to memory of 1444	2668	0c5c70f2ed7ec1b49a592777340ecd2d_JaffaCakes118.exe	30
PID 2668 wrote to memory of 1444	2668	0c5c70f2ed7ec1b49a592777340ecd2d_JaffaCakes118.exe	30
PID 2668 wrote to memory of 1444	2668	0c5c70f2ed7ec1b49a592777340ecd2d_JaffaCakes118.exe	30
PID 2668 wrote to memory of 1444	2668	0c5c70f2ed7ec1b49a592777340ecd2d_JaffaCakes118.exe	30
PID 2668 wrote to memory of 1444	2668	0c5c70f2ed7ec1b49a592777340ecd2d_JaffaCakes118.exe	30
PID 2668 wrote to memory of 1996	2668	0c5c70f2ed7ec1b49a592777340ecd2d_JaffaCakes118.exe	31
PID 2668 wrote to memory of 1996	2668	0c5c70f2ed7ec1b49a592777340ecd2d_JaffaCakes118.exe	31
PID 2668 wrote to memory of 1996	2668	0c5c70f2ed7ec1b49a592777340ecd2d_JaffaCakes118.exe	31
PID 2668 wrote to memory of 1996	2668	0c5c70f2ed7ec1b49a592777340ecd2d_JaffaCakes118.exe	31
PID 2668 wrote to memory of 1996	2668	0c5c70f2ed7ec1b49a592777340ecd2d_JaffaCakes118.exe	31
PID 2668 wrote to memory of 1996	2668	0c5c70f2ed7ec1b49a592777340ecd2d_JaffaCakes118.exe	31
PID 2668 wrote to memory of 1996	2668	0c5c70f2ed7ec1b49a592777340ecd2d_JaffaCakes118.exe	31
PID 2668 wrote to memory of 1996	2668	0c5c70f2ed7ec1b49a592777340ecd2d_JaffaCakes118.exe	31
PID 2668 wrote to memory of 1996	2668	0c5c70f2ed7ec1b49a592777340ecd2d_JaffaCakes118.exe	31
PID 1444 wrote to memory of 1652	1444	0c5c70f2ed7ec1b49a592777340ecd2d_JaffaCakes118.exe	32
PID 1444 wrote to memory of 1652	1444	0c5c70f2ed7ec1b49a592777340ecd2d_JaffaCakes118.exe	32
PID 1444 wrote to memory of 1652	1444	0c5c70f2ed7ec1b49a592777340ecd2d_JaffaCakes118.exe	32
PID 1444 wrote to memory of 1652	1444	0c5c70f2ed7ec1b49a592777340ecd2d_JaffaCakes118.exe	32
PID 1444 wrote to memory of 1652	1444	0c5c70f2ed7ec1b49a592777340ecd2d_JaffaCakes118.exe	32
PID 1444 wrote to memory of 1652	1444	0c5c70f2ed7ec1b49a592777340ecd2d_JaffaCakes118.exe	32
PID 1444 wrote to memory of 1652	1444	0c5c70f2ed7ec1b49a592777340ecd2d_JaffaCakes118.exe	32
PID 1444 wrote to memory of 1652	1444	0c5c70f2ed7ec1b49a592777340ecd2d_JaffaCakes118.exe	32
PID 1652 wrote to memory of 2872	1652	0c5c70f2ed7ec1b49a592777340ecd2d_JaffaCakes118.exe	33
PID 1652 wrote to memory of 2872	1652	0c5c70f2ed7ec1b49a592777340ecd2d_JaffaCakes118.exe	33
PID 1652 wrote to memory of 2872	1652	0c5c70f2ed7ec1b49a592777340ecd2d_JaffaCakes118.exe	33
PID 1652 wrote to memory of 2872	1652	0c5c70f2ed7ec1b49a592777340ecd2d_JaffaCakes118.exe	33
PID 1652 wrote to memory of 2872	1652	0c5c70f2ed7ec1b49a592777340ecd2d_JaffaCakes118.exe	33
PID 1652 wrote to memory of 2872	1652	0c5c70f2ed7ec1b49a592777340ecd2d_JaffaCakes118.exe	33
PID 1652 wrote to memory of 2872	1652	0c5c70f2ed7ec1b49a592777340ecd2d_JaffaCakes118.exe	33
PID 1652 wrote to memory of 2872	1652	0c5c70f2ed7ec1b49a592777340ecd2d_JaffaCakes118.exe	33
PID 1652 wrote to memory of 2872	1652	0c5c70f2ed7ec1b49a592777340ecd2d_JaffaCakes118.exe	33
PID 1652 wrote to memory of 1484	1652	0c5c70f2ed7ec1b49a592777340ecd2d_JaffaCakes118.exe	36
PID 1652 wrote to memory of 1484	1652	0c5c70f2ed7ec1b49a592777340ecd2d_JaffaCakes118.exe	36
PID 1652 wrote to memory of 1484	1652	0c5c70f2ed7ec1b49a592777340ecd2d_JaffaCakes118.exe	36
PID 1652 wrote to memory of 1484	1652	0c5c70f2ed7ec1b49a592777340ecd2d_JaffaCakes118.exe	36
PID 1652 wrote to memory of 1484	1652	0c5c70f2ed7ec1b49a592777340ecd2d_JaffaCakes118.exe	36
PID 1652 wrote to memory of 1484	1652	0c5c70f2ed7ec1b49a592777340ecd2d_JaffaCakes118.exe	36
PID 1652 wrote to memory of 1484	1652	0c5c70f2ed7ec1b49a592777340ecd2d_JaffaCakes118.exe	36
PID 1652 wrote to memory of 1484	1652	0c5c70f2ed7ec1b49a592777340ecd2d_JaffaCakes118.exe	36
PID 1652 wrote to memory of 1484	1652	0c5c70f2ed7ec1b49a592777340ecd2d_JaffaCakes118.exe	36

C:\Users\Admin\AppData\Local\Temp\0c5c70f2ed7ec1b49a592777340ecd2d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0c5c70f2ed7ec1b49a592777340ecd2d_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2668
- C:\Users\Admin\AppData\Local\Temp\0c5c70f2ed7ec1b49a592777340ecd2d_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\0c5c70f2ed7ec1b49a592777340ecd2d_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1444
- - C:\Users\Admin\AppData\Local\Temp\0c5c70f2ed7ec1b49a592777340ecd2d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\0c5c70f2ed7ec1b49a592777340ecd2d_JaffaCakes118.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1652
  - - C:\Users\Admin\AppData\Local\Temp\0c5c70f2ed7ec1b49a592777340ecd2d_JaffaCakes118.exe
      /scomma "C:\Users\Admin\AppData\Local\Temp\X2aGt2lXzB.ini"
      4⤵
      System Location Discovery: System Language Discovery
      PID:2872
  - - C:\Users\Admin\AppData\Local\Temp\0c5c70f2ed7ec1b49a592777340ecd2d_JaffaCakes118.exe
      /scomma "C:\Users\Admin\AppData\Local\Temp\3UnxPiYm6W.ini"
      4⤵
      Accesses Microsoft Outlook accounts
      System Location Discovery: System Language Discovery
      PID:1484
- C:\Users\Admin\AppData\Local\Temp\0c5c70f2ed7ec1b49a592777340ecd2d_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\0c5c70f2ed7ec1b49a592777340ecd2d_JaffaCakes118.exe"
  2⤵
  PID:1996

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\X2aGt2lXzB.ini

Filesize
5B

MD5
d1ea279fb5559c020a1b4137dc4de237

SHA1
db6f8988af46b56216a6f0daf95ab8c9bdb57400

SHA256
fcdcc2c46896915a1c695d6231f0fee336a668531b7a3da46178c80362546dba

SHA512
720e9c284f0559015312df7fe977563e5e16f48d3506e51eb4016adf7971924d352f740b030aa3adc81b6f65fd1dba12df06d10fa6c115074e5097e7ee0f08b3

Download Submit
memory/1444-26-0x0000000000400000-0x0000000000449000-memory.dmp

Filesize
292KB

Download
memory/1444-14-0x0000000000400000-0x0000000000449000-memory.dmp

Filesize
292KB

Download
memory/1444-34-0x0000000000400000-0x0000000000449000-memory.dmp

Filesize
292KB

Download
memory/1444-31-0x0000000000400000-0x0000000000449000-memory.dmp

Filesize
292KB

Download
memory/1444-5-0x0000000000400000-0x0000000000449000-memory.dmp

Filesize
292KB

Download
memory/1444-7-0x0000000000400000-0x0000000000449000-memory.dmp

Filesize
292KB

Download
memory/1444-9-0x0000000000400000-0x0000000000449000-memory.dmp

Filesize
292KB

Download
memory/1444-50-0x0000000002650000-0x00000000027F3000-memory.dmp

Filesize
1.6MB

Download
memory/1444-55-0x0000000000400000-0x0000000000449000-memory.dmp

Filesize
292KB

Download
memory/1444-49-0x0000000000400000-0x0000000000449000-memory.dmp

Filesize
292KB

Download
memory/1484-82-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1484-79-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1484-78-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1484-76-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1484-80-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1652-47-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1652-53-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1652-84-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1652-77-0x00000000038D0000-0x0000000003A73000-memory.dmp

Filesize
1.6MB

Download
memory/1652-65-0x0000000002700000-0x00000000028A3000-memory.dmp

Filesize
1.6MB

Download
memory/1652-64-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1652-43-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1652-75-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1652-72-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1652-45-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1996-28-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/1996-25-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/1996-21-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/1996-19-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/1996-17-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/1996-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1996-15-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/1996-38-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/1996-35-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/2668-0-0x0000000000400000-0x00000000005A3000-memory.dmp

Filesize
1.6MB

Download
memory/2668-4-0x0000000000400000-0x00000000005A3000-memory.dmp

Filesize
1.6MB

Download
memory/2668-30-0x0000000000400000-0x00000000005A3000-memory.dmp

Filesize
1.6MB

Download
memory/2668-33-0x0000000002BE0000-0x0000000002D83000-memory.dmp

Filesize
1.6MB

Download
memory/2668-3-0x0000000000497000-0x0000000000498000-memory.dmp

Filesize
4KB

Download
memory/2872-70-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2872-62-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2872-66-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2872-63-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2872-60-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download