fb7257b29decf0a2438a8236599ce1f4210fe1325f390b89a5b59158ff0d3c2f

Analysis

max time kernel
121s
max time network
126s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
16-05-2024 07:46

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General

Target

4a0fcda50ccb462074bb348ddaa031d2_JaffaCakes118.exe
Size

959KB
MD5

4a0fcda50ccb462074bb348ddaa031d2
SHA1

3bc64f01699074912862f42d6b1d8d44524790a6
SHA256

fb7257b29decf0a2438a8236599ce1f4210fe1325f390b89a5b59158ff0d3c2f
SHA512

6b25665582405abd38c18b38501bc5e7e42a8fc91b5a5af327a9a375c407c11fb258d03451129e572419b545f6e2eed6d439dc5dd293cdb9a9820b3f33edb227
SSDEEP

24576:wQCRRRRRRRRRRRRRRRRRRRRt6perrOUj6k7ZqC30xggliabfCqBpp2dzMhK:wQCRRRRRRRRRRRRRRRRRRRRtWk7Zx0gI

Score

9^/10

collection persistence

Malware Config

Signatures

NirSoft MailPassView 4 IoCs

Password recovery tool for various email clients

resource	yara_rule
behavioral1/memory/2824-49-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView
behavioral1/memory/2824-51-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView
behavioral1/memory/2824-52-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView
behavioral1/memory/2824-53-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 3 IoCs

Password recovery tool for various web browsers

resource	yara_rule
behavioral1/memory/2760-65-0x0000000000400000-0x000000000045A000-memory.dmp	WebBrowserPassView
behavioral1/memory/2760-69-0x0000000000400000-0x000000000045A000-memory.dmp	WebBrowserPassView
behavioral1/memory/2760-66-0x0000000000400000-0x000000000045A000-memory.dmp	WebBrowserPassView

Nirsoft 7 IoCs

resource	yara_rule
behavioral1/memory/2824-49-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral1/memory/2824-51-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral1/memory/2824-52-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral1/memory/2824-53-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral1/memory/2760-65-0x0000000000400000-0x000000000045A000-memory.dmp	Nirsoft
behavioral1/memory/2760-69-0x0000000000400000-0x000000000045A000-memory.dmp	Nirsoft
behavioral1/memory/2760-66-0x0000000000400000-0x000000000045A000-memory.dmp	Nirsoft

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\NPbKQaRKEEPXCLZb.lnk	JcUdDQOiAJDdHEPAgDMcN.exe

Executes dropped EXE 1 IoCs

pid	Process
2636	JcUdDQOiAJDdHEPAgDMcN.exe

Loads dropped DLL 2 IoCs

pid	Process
2756	4a0fcda50ccb462074bb348ddaa031d2_JaffaCakes118.exe
2636	JcUdDQOiAJDdHEPAgDMcN.exe

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-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	vbc.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	4a0fcda50ccb462074bb348ddaa031d2_JaffaCakes118.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
4	checkip.dyndns.org

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2636 set thread context of 2688	2636	JcUdDQOiAJDdHEPAgDMcN.exe	29
PID 2688 set thread context of 2824	2688	RegAsm.exe	31
PID 2688 set thread context of 2760	2688	RegAsm.exe	34

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2760	vbc.exe
2760	vbc.exe
2760	vbc.exe
2760	vbc.exe
2760	vbc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2688	RegAsm.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2756 wrote to memory of 2636	2756	4a0fcda50ccb462074bb348ddaa031d2_JaffaCakes118.exe	28
PID 2756 wrote to memory of 2636	2756	4a0fcda50ccb462074bb348ddaa031d2_JaffaCakes118.exe	28
PID 2756 wrote to memory of 2636	2756	4a0fcda50ccb462074bb348ddaa031d2_JaffaCakes118.exe	28
PID 2756 wrote to memory of 2636	2756	4a0fcda50ccb462074bb348ddaa031d2_JaffaCakes118.exe	28
PID 2636 wrote to memory of 2688	2636	JcUdDQOiAJDdHEPAgDMcN.exe	29
PID 2636 wrote to memory of 2688	2636	JcUdDQOiAJDdHEPAgDMcN.exe	29
PID 2636 wrote to memory of 2688	2636	JcUdDQOiAJDdHEPAgDMcN.exe	29
PID 2636 wrote to memory of 2688	2636	JcUdDQOiAJDdHEPAgDMcN.exe	29
PID 2636 wrote to memory of 2688	2636	JcUdDQOiAJDdHEPAgDMcN.exe	29
PID 2636 wrote to memory of 2688	2636	JcUdDQOiAJDdHEPAgDMcN.exe	29
PID 2636 wrote to memory of 2688	2636	JcUdDQOiAJDdHEPAgDMcN.exe	29
PID 2636 wrote to memory of 2688	2636	JcUdDQOiAJDdHEPAgDMcN.exe	29
PID 2636 wrote to memory of 2688	2636	JcUdDQOiAJDdHEPAgDMcN.exe	29
PID 2688 wrote to memory of 2824	2688	RegAsm.exe	31
PID 2688 wrote to memory of 2824	2688	RegAsm.exe	31
PID 2688 wrote to memory of 2824	2688	RegAsm.exe	31
PID 2688 wrote to memory of 2824	2688	RegAsm.exe	31
PID 2688 wrote to memory of 2824	2688	RegAsm.exe	31
PID 2688 wrote to memory of 2824	2688	RegAsm.exe	31
PID 2688 wrote to memory of 2824	2688	RegAsm.exe	31
PID 2688 wrote to memory of 2824	2688	RegAsm.exe	31
PID 2688 wrote to memory of 2824	2688	RegAsm.exe	31
PID 2688 wrote to memory of 2824	2688	RegAsm.exe	31
PID 2688 wrote to memory of 2760	2688	RegAsm.exe	34
PID 2688 wrote to memory of 2760	2688	RegAsm.exe	34
PID 2688 wrote to memory of 2760	2688	RegAsm.exe	34
PID 2688 wrote to memory of 2760	2688	RegAsm.exe	34
PID 2688 wrote to memory of 2760	2688	RegAsm.exe	34
PID 2688 wrote to memory of 2760	2688	RegAsm.exe	34
PID 2688 wrote to memory of 2760	2688	RegAsm.exe	34
PID 2688 wrote to memory of 2760	2688	RegAsm.exe	34
PID 2688 wrote to memory of 2760	2688	RegAsm.exe	34
PID 2688 wrote to memory of 2760	2688	RegAsm.exe	34

C:\Users\Admin\AppData\Local\Temp\4a0fcda50ccb462074bb348ddaa031d2_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\4a0fcda50ccb462074bb348ddaa031d2_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2756
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\JcUdDQOiAJDdHEPAgDMcN.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\JcUdDQOiAJDdHEPAgDMcN.exe JcUdDQOiAJDdHEPAgDM
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:2636
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
    - CmdLine Args
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2688
  - - 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\\Mail.txt"
      4⤵
      Accesses Microsoft Outlook accounts
      PID:2824
  - - 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\\Web.txt"
      4⤵
      Suspicious behavior: EnumeratesProcesses
      PID:2760

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scripting

T1064

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Scripting

T1064

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\JcUdDQOiAJDdHEPAgDM

Filesize
38KB

MD5
0c668eba5ed6fc26844763821af34654

SHA1
e5e159bd52a9446cfb4d9c837bc218da16007704

SHA256
3faa2cd150586a2a986bae173ab74d20e1835b32ddd64efbf099febfea48ff0e

SHA512
28a9ece2ada1bf96d09cf0bbc0849fa85b887761df870ab5921d38cd78a0aac3716d5612cd579109c76a7108cd5d13909faac7b0ff10a071887f619b28b48eea

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\NPbKQaRKEEPX

Filesize
474KB

MD5
325f1db3b15588b5c2e86fb75d49fbae

SHA1
9bd5d9b8621386dad756efd76f0e28b902e53942

SHA256
07184cc3c4ac910066ad2ea6b32775b99a3944480aff717bedeb3b53b2e1683d

SHA512
a6d3ef2ee97c69e215541dbe408b2f3a44c24d5346372d364a9836fdc6bb6851cf982484682400157a788945d5ca8fe757a668dde411229906831a3e4c1516a5

Download Submit
C:\Users\Admin\AppData\Local\Temp\Web.txt

Filesize
2B

MD5
f3b25701fe362ec84616a93a45ce9998

SHA1
d62636d8caec13f04e28442a0a6fa1afeb024bbb

SHA256
b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

SHA512
98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

Download Submit
\Users\Admin\AppData\Local\Temp\IXP000.TMP\JcUdDQOiAJDdHEPAgDMcN.exe

Filesize
732KB

MD5
71d8f6d5dc35517275bc38ebcc815f9f

SHA1
cae4e8c730de5a01d30aabeb3e5cb2136090ed8d

SHA256
fb73a819b37523126c7708a1d06f3b8825fa60c926154ab2d511ba668f49dc4b

SHA512
4826f45000ea50d9044e3ef11e83426281fbd5f3f5a25f9786c2e487b4cf26b04f6f900ca6e70440644c9d75f700a4c908ab6f398f59c65ee1bff85dfef4ce59

Download Submit
memory/2636-19-0x0000000000160000-0x0000000000161000-memory.dmp

Filesize
4KB

Download
memory/2688-27-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/2688-20-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/2688-28-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/2688-21-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/2688-33-0x0000000074002000-0x0000000074004000-memory.dmp

Filesize
8KB

Download
memory/2688-36-0x0000000074000000-0x00000000745AB000-memory.dmp

Filesize
5.7MB

Download
memory/2688-72-0x0000000074000000-0x00000000745AB000-memory.dmp

Filesize
5.7MB

Download
memory/2688-71-0x0000000074002000-0x0000000074004000-memory.dmp

Filesize
8KB

Download
memory/2688-25-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2760-65-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/2760-58-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/2760-66-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/2760-62-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/2760-69-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/2760-54-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/2760-60-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/2760-56-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/2824-52-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2824-53-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2824-45-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2824-43-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2824-51-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2824-47-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2824-39-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2824-41-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2824-49-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2824-37-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download