796d20b44f82b2f28d9f1da9055e1ff84c2e8ac85447b9a53c3f6e8937a54897

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
30-04-2024 17:21

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General

Target

0a31f5fc650f2b93a36a1c095714b78a_JaffaCakes118.exe
Size

1.1MB
MD5

0a31f5fc650f2b93a36a1c095714b78a
SHA1

71b3367011357f8f66c50cee1dc3e331e631933d
SHA256

796d20b44f82b2f28d9f1da9055e1ff84c2e8ac85447b9a53c3f6e8937a54897
SHA512

02742e500fe70ddd5bdff9e6a0ab1b50a679590eab168034a07aca92f58dd539f294561ee3f631716a64c2002ff90a78595fd678e0ec9c7fb307e9843d0a4d75
SSDEEP

24576:wQ1bLFCAXperrOUj6k7ZqC30n5HOUZxfHQAPGuIHpc:wQ1bLk7ZxMdRkp

Score

9^/10

collection persistence

Malware Config

Signatures

NirSoft MailPassView 4 IoCs

Password recovery tool for various email clients

resource	yara_rule
behavioral1/memory/2796-50-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView
behavioral1/memory/2796-52-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView
behavioral1/memory/2796-53-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView
behavioral1/memory/2796-56-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 3 IoCs

Password recovery tool for various web browsers

resource	yara_rule
behavioral1/memory/2964-73-0x0000000000400000-0x000000000045A000-memory.dmp	WebBrowserPassView
behavioral1/memory/2964-69-0x0000000000400000-0x000000000045A000-memory.dmp	WebBrowserPassView
behavioral1/memory/2964-68-0x0000000000400000-0x000000000045A000-memory.dmp	WebBrowserPassView

Nirsoft 7 IoCs

resource	yara_rule
behavioral1/memory/2796-50-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral1/memory/2796-52-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral1/memory/2796-53-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral1/memory/2796-56-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral1/memory/2964-73-0x0000000000400000-0x000000000045A000-memory.dmp	Nirsoft
behavioral1/memory/2964-69-0x0000000000400000-0x000000000045A000-memory.dmp	Nirsoft
behavioral1/memory/2964-68-0x0000000000400000-0x000000000045A000-memory.dmp	Nirsoft

Drops startup file 1 IoCs

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

Executes dropped EXE 1 IoCs

pid	Process
1872	LOICIIdVHRBHLgAYeZUAi.exe

Loads dropped DLL 2 IoCs

pid	Process
3068	0a31f5fc650f2b93a36a1c095714b78a_JaffaCakes118.exe
1872	LOICIIdVHRBHLgAYeZUAi.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-1-5-21-2297530677-1229052932-2803917579-1000\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\\\""	0a31f5fc650f2b93a36a1c095714b78a_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 1872 set thread context of 2536	1872	LOICIIdVHRBHLgAYeZUAi.exe	29
PID 2536 set thread context of 2796	2536	RegAsm.exe	31
PID 2536 set thread context of 2964	2536	RegAsm.exe	32

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
2964	vbc.exe
2964	vbc.exe
2964	vbc.exe
2964	vbc.exe
2964	vbc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2536	RegAsm.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 3068 wrote to memory of 1872	3068	0a31f5fc650f2b93a36a1c095714b78a_JaffaCakes118.exe	28
PID 3068 wrote to memory of 1872	3068	0a31f5fc650f2b93a36a1c095714b78a_JaffaCakes118.exe	28
PID 3068 wrote to memory of 1872	3068	0a31f5fc650f2b93a36a1c095714b78a_JaffaCakes118.exe	28
PID 3068 wrote to memory of 1872	3068	0a31f5fc650f2b93a36a1c095714b78a_JaffaCakes118.exe	28
PID 1872 wrote to memory of 2536	1872	LOICIIdVHRBHLgAYeZUAi.exe	29
PID 1872 wrote to memory of 2536	1872	LOICIIdVHRBHLgAYeZUAi.exe	29
PID 1872 wrote to memory of 2536	1872	LOICIIdVHRBHLgAYeZUAi.exe	29
PID 1872 wrote to memory of 2536	1872	LOICIIdVHRBHLgAYeZUAi.exe	29
PID 1872 wrote to memory of 2536	1872	LOICIIdVHRBHLgAYeZUAi.exe	29
PID 1872 wrote to memory of 2536	1872	LOICIIdVHRBHLgAYeZUAi.exe	29
PID 1872 wrote to memory of 2536	1872	LOICIIdVHRBHLgAYeZUAi.exe	29
PID 1872 wrote to memory of 2536	1872	LOICIIdVHRBHLgAYeZUAi.exe	29
PID 1872 wrote to memory of 2536	1872	LOICIIdVHRBHLgAYeZUAi.exe	29
PID 2536 wrote to memory of 2796	2536	RegAsm.exe	31
PID 2536 wrote to memory of 2796	2536	RegAsm.exe	31
PID 2536 wrote to memory of 2796	2536	RegAsm.exe	31
PID 2536 wrote to memory of 2796	2536	RegAsm.exe	31
PID 2536 wrote to memory of 2796	2536	RegAsm.exe	31
PID 2536 wrote to memory of 2796	2536	RegAsm.exe	31
PID 2536 wrote to memory of 2796	2536	RegAsm.exe	31
PID 2536 wrote to memory of 2796	2536	RegAsm.exe	31
PID 2536 wrote to memory of 2796	2536	RegAsm.exe	31
PID 2536 wrote to memory of 2796	2536	RegAsm.exe	31
PID 2536 wrote to memory of 2964	2536	RegAsm.exe	32
PID 2536 wrote to memory of 2964	2536	RegAsm.exe	32
PID 2536 wrote to memory of 2964	2536	RegAsm.exe	32
PID 2536 wrote to memory of 2964	2536	RegAsm.exe	32
PID 2536 wrote to memory of 2964	2536	RegAsm.exe	32
PID 2536 wrote to memory of 2964	2536	RegAsm.exe	32
PID 2536 wrote to memory of 2964	2536	RegAsm.exe	32
PID 2536 wrote to memory of 2964	2536	RegAsm.exe	32
PID 2536 wrote to memory of 2964	2536	RegAsm.exe	32
PID 2536 wrote to memory of 2964	2536	RegAsm.exe	32

C:\Users\Admin\AppData\Local\Temp\0a31f5fc650f2b93a36a1c095714b78a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0a31f5fc650f2b93a36a1c095714b78a_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3068
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\LOICIIdVHRBHLgAYeZUAi.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\LOICIIdVHRBHLgAYeZUAi.exe XDPQQHAWGNcYLJHXUWA
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1872
- - 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:2536
  - - 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:2796
  - - 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:2964

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\MaCaFCZJcbiC

Filesize
474KB

MD5
349c42d8308b6f5ca3cdf0fc43fd6c9c

SHA1
829b046f2e2cb726d2382ccc40ec08b3b9662cd8

SHA256
1ae7cc71c034ae9ee1ad343306305df4adff07ea5aa0e61e0b05d06712971a5e

SHA512
5ee6576127884da6fdfca68bbf8f0ab5bdf9d892bbbcab3b9b61134c8ba33504b7e68a447f29fab3bf75d9371a47859e090dbb9081aefdc4cda794f1ecd7c29d

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

Filesize
38KB

MD5
1adc42dacd12c3ed14f5dfab6bd96aae

SHA1
987b4c38d608b0a7f663556a791814e3ae5e6f4d

SHA256
192bcaed67e7817bb3f201afc150ba7b58ad8d1860e2d89c0aca5d9976368fe9

SHA512
0afef56895e79b1c210f2e3678e9b63697040ff9a15089efd1f28784a64d1bed771bc724ee9d828ba0601a2f99f346b2ee3714e00cfcaa87aa488842969bcb45

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\LOICIIdVHRBHLgAYeZUAi.exe

Filesize
732KB

MD5
71d8f6d5dc35517275bc38ebcc815f9f

SHA1
cae4e8c730de5a01d30aabeb3e5cb2136090ed8d

SHA256
fb73a819b37523126c7708a1d06f3b8825fa60c926154ab2d511ba668f49dc4b

SHA512
4826f45000ea50d9044e3ef11e83426281fbd5f3f5a25f9786c2e487b4cf26b04f6f900ca6e70440644c9d75f700a4c908ab6f398f59c65ee1bff85dfef4ce59

Download Submit
memory/1872-19-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/2536-22-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/2536-20-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/2536-29-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/2536-28-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/2536-34-0x0000000074640000-0x0000000074BEB000-memory.dmp

Filesize
5.7MB

Download
memory/2536-37-0x0000000000C50000-0x0000000000C90000-memory.dmp

Filesize
256KB

Download
memory/2536-75-0x0000000000C50000-0x0000000000C90000-memory.dmp

Filesize
256KB

Download
memory/2536-74-0x0000000074640000-0x0000000074BEB000-memory.dmp

Filesize
5.7MB

Download
memory/2536-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2796-42-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2796-48-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2796-46-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2796-52-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2796-40-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2796-53-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2796-56-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2796-38-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2796-50-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2796-44-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2964-73-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/2964-63-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/2964-61-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/2964-71-0x0000000000460000-0x00000000005E1000-memory.dmp

Filesize
1.5MB

Download
memory/2964-65-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/2964-69-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/2964-68-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/2964-60-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/2964-57-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download