aa5a39e75c358fd3019729469c6805feb3b1421b12f859ee4e8641f823af92f5

Analysis

max time kernel
94s
max time network
155s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
06/12/2022, 12:38

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General

Target

aa5a39e75c358fd3019729469c6805feb3b1421b12f859ee4e8641f823af92f5.exe
Size

444KB
MD5

2315569cff2071f661a90c14cabe20de
SHA1

2b36f2e531aa318c695bbc699c3b533c50d1223d
SHA256

aa5a39e75c358fd3019729469c6805feb3b1421b12f859ee4e8641f823af92f5
SHA512

96a890c5e82285a390a498294eb94ead6ce879443ceab25031c1acd918879a879a148b7861e12637f8bc4e2926141517eb064ba3261ba0f80accc5136f0360f3
SSDEEP

6144:fZ8QY5e1PSzcdHfcaByw9B8BOI2xzVVu/dYR2XUtyUQYoIaRrgkM6Ovf4y9Izj:fyVeXd/c3FWzvW6R2Et5FapgOMQy9I

Score

10^/10

collection persistence spyware stealer

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
smtp.gmail.com
Port:
587
Username:
[email protected]
Password:
azerty25cendrey

Signatures

NirSoft MailPassView 5 IoCs

Password recovery tool for various email clients

resource	yara_rule
behavioral1/memory/1064-82-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView
behavioral1/memory/1064-83-0x0000000000411654-mapping.dmp	MailPassView
behavioral1/memory/1064-86-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView
behavioral1/memory/1064-87-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView
behavioral1/memory/1064-89-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView

Nirsoft 9 IoCs

resource	yara_rule
behavioral1/memory/1428-67-0x0000000000400000-0x0000000000418000-memory.dmp	Nirsoft
behavioral1/memory/1428-68-0x000000000040E758-mapping.dmp	Nirsoft
behavioral1/memory/1428-71-0x0000000000400000-0x0000000000418000-memory.dmp	Nirsoft
behavioral1/memory/1428-72-0x0000000000400000-0x0000000000418000-memory.dmp	Nirsoft
behavioral1/memory/1064-82-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral1/memory/1064-83-0x0000000000411654-mapping.dmp	Nirsoft
behavioral1/memory/1064-86-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral1/memory/1064-87-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral1/memory/1064-89-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\aa5a39e75c358fd3019729469c6805feb3b1421b12f859ee4e8641f823af92f5.exe	cmd.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\aa5a39e75c358fd3019729469c6805feb3b1421b12f859ee4e8641f823af92f5.exe	cmd.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
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
T1081
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-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	vbc.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\winds32 = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\winds32.exe"	reg.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1080 set thread context of 1428	1080	aa5a39e75c358fd3019729469c6805feb3b1421b12f859ee4e8641f823af92f5.exe	33
PID 1080 set thread context of 1064	1080	aa5a39e75c358fd3019729469c6805feb3b1421b12f859ee4e8641f823af92f5.exe	35

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

System Information Discovery
T1082

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1080	aa5a39e75c358fd3019729469c6805feb3b1421b12f859ee4e8641f823af92f5.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1080	aa5a39e75c358fd3019729469c6805feb3b1421b12f859ee4e8641f823af92f5.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1080	aa5a39e75c358fd3019729469c6805feb3b1421b12f859ee4e8641f823af92f5.exe
1080	aa5a39e75c358fd3019729469c6805feb3b1421b12f859ee4e8641f823af92f5.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 1080 wrote to memory of 1744	1080	aa5a39e75c358fd3019729469c6805feb3b1421b12f859ee4e8641f823af92f5.exe	28
PID 1080 wrote to memory of 1744	1080	aa5a39e75c358fd3019729469c6805feb3b1421b12f859ee4e8641f823af92f5.exe	28
PID 1080 wrote to memory of 1744	1080	aa5a39e75c358fd3019729469c6805feb3b1421b12f859ee4e8641f823af92f5.exe	28
PID 1080 wrote to memory of 1744	1080	aa5a39e75c358fd3019729469c6805feb3b1421b12f859ee4e8641f823af92f5.exe	28
PID 1080 wrote to memory of 1568	1080	aa5a39e75c358fd3019729469c6805feb3b1421b12f859ee4e8641f823af92f5.exe	30
PID 1080 wrote to memory of 1568	1080	aa5a39e75c358fd3019729469c6805feb3b1421b12f859ee4e8641f823af92f5.exe	30
PID 1080 wrote to memory of 1568	1080	aa5a39e75c358fd3019729469c6805feb3b1421b12f859ee4e8641f823af92f5.exe	30
PID 1080 wrote to memory of 1568	1080	aa5a39e75c358fd3019729469c6805feb3b1421b12f859ee4e8641f823af92f5.exe	30
PID 1568 wrote to memory of 1396	1568	cmd.exe	32
PID 1568 wrote to memory of 1396	1568	cmd.exe	32
PID 1568 wrote to memory of 1396	1568	cmd.exe	32
PID 1568 wrote to memory of 1396	1568	cmd.exe	32
PID 1080 wrote to memory of 1428	1080	aa5a39e75c358fd3019729469c6805feb3b1421b12f859ee4e8641f823af92f5.exe	33
PID 1080 wrote to memory of 1428	1080	aa5a39e75c358fd3019729469c6805feb3b1421b12f859ee4e8641f823af92f5.exe	33
PID 1080 wrote to memory of 1428	1080	aa5a39e75c358fd3019729469c6805feb3b1421b12f859ee4e8641f823af92f5.exe	33
PID 1080 wrote to memory of 1428	1080	aa5a39e75c358fd3019729469c6805feb3b1421b12f859ee4e8641f823af92f5.exe	33
PID 1080 wrote to memory of 1428	1080	aa5a39e75c358fd3019729469c6805feb3b1421b12f859ee4e8641f823af92f5.exe	33
PID 1080 wrote to memory of 1428	1080	aa5a39e75c358fd3019729469c6805feb3b1421b12f859ee4e8641f823af92f5.exe	33
PID 1080 wrote to memory of 1428	1080	aa5a39e75c358fd3019729469c6805feb3b1421b12f859ee4e8641f823af92f5.exe	33
PID 1080 wrote to memory of 1428	1080	aa5a39e75c358fd3019729469c6805feb3b1421b12f859ee4e8641f823af92f5.exe	33
PID 1080 wrote to memory of 1428	1080	aa5a39e75c358fd3019729469c6805feb3b1421b12f859ee4e8641f823af92f5.exe	33
PID 1080 wrote to memory of 1428	1080	aa5a39e75c358fd3019729469c6805feb3b1421b12f859ee4e8641f823af92f5.exe	33
PID 1080 wrote to memory of 1064	1080	aa5a39e75c358fd3019729469c6805feb3b1421b12f859ee4e8641f823af92f5.exe	35
PID 1080 wrote to memory of 1064	1080	aa5a39e75c358fd3019729469c6805feb3b1421b12f859ee4e8641f823af92f5.exe	35
PID 1080 wrote to memory of 1064	1080	aa5a39e75c358fd3019729469c6805feb3b1421b12f859ee4e8641f823af92f5.exe	35
PID 1080 wrote to memory of 1064	1080	aa5a39e75c358fd3019729469c6805feb3b1421b12f859ee4e8641f823af92f5.exe	35
PID 1080 wrote to memory of 1064	1080	aa5a39e75c358fd3019729469c6805feb3b1421b12f859ee4e8641f823af92f5.exe	35
PID 1080 wrote to memory of 1064	1080	aa5a39e75c358fd3019729469c6805feb3b1421b12f859ee4e8641f823af92f5.exe	35
PID 1080 wrote to memory of 1064	1080	aa5a39e75c358fd3019729469c6805feb3b1421b12f859ee4e8641f823af92f5.exe	35
PID 1080 wrote to memory of 1064	1080	aa5a39e75c358fd3019729469c6805feb3b1421b12f859ee4e8641f823af92f5.exe	35
PID 1080 wrote to memory of 1064	1080	aa5a39e75c358fd3019729469c6805feb3b1421b12f859ee4e8641f823af92f5.exe	35
PID 1080 wrote to memory of 1064	1080	aa5a39e75c358fd3019729469c6805feb3b1421b12f859ee4e8641f823af92f5.exe	35

C:\Users\Admin\AppData\Local\Temp\aa5a39e75c358fd3019729469c6805feb3b1421b12f859ee4e8641f823af92f5.exe
"C:\Users\Admin\AppData\Local\Temp\aa5a39e75c358fd3019729469c6805feb3b1421b12f859ee4e8641f823af92f5.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1080
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c copy /z "C:\Users\Admin\AppData\Local\Temp\aa5a39e75c358fd3019729469c6805feb3b1421b12f859ee4e8641f823af92f5.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\aa5a39e75c358fd3019729469c6805feb3b1421b12f859ee4e8641f823af92f5.exe"
  2⤵
  - Drops startup file
  PID:1744
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "winds32" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\winds32.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1568
- - C:\Windows\SysWOW64\reg.exe
    reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "winds32" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\winds32.exe
    3⤵
    - Adds Run key to start application
    PID:1396
- 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\logff.txt
  2⤵
  PID:1428
- 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\logmail.txt
  2⤵
  - Accesses Microsoft Outlook accounts
  PID:1064

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scripting

T1064

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Scripting

T1064

Credential Access

Credentials in Files

T1081

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\logff.txt

Filesize
2B

MD5
f3b25701fe362ec84616a93a45ce9998

SHA1
d62636d8caec13f04e28442a0a6fa1afeb024bbb

SHA256
b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

SHA512
98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

Download Submit
memory/1064-82-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1064-87-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1064-86-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1064-80-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1064-79-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1064-77-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1064-75-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1064-89-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1064-74-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1080-54-0x00000000758C1000-0x00000000758C3000-memory.dmp

Filesize
8KB

Download
memory/1080-91-0x00000000021C6000-0x00000000021D7000-memory.dmp

Filesize
68KB

Download
memory/1080-90-0x00000000021C6000-0x00000000021D7000-memory.dmp

Filesize
68KB

Download
memory/1080-55-0x0000000074700000-0x0000000074CAB000-memory.dmp

Filesize
5.7MB

Download
memory/1080-88-0x0000000074700000-0x0000000074CAB000-memory.dmp

Filesize
5.7MB

Download
memory/1428-72-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1428-60-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1428-59-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1428-62-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1428-64-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1428-71-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1428-65-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1428-67-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download