370a27a30ee57247faddeb1f99a83933247e07c8760a07ed82e451e1cb5e5cdd

Analysis

max time kernel
436s
max time network
442s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
18-03-2024 19:25

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General

Target

windirstat1_1_2_setup.exe
Size

630KB
MD5

3abf1c149873e25d4e266225fbf37cbf
SHA1

6fa92dd2ca691c11dfbfc0a239e34369897a7fab
SHA256

370a27a30ee57247faddeb1f99a83933247e07c8760a07ed82e451e1cb5e5cdd
SHA512

b6d9672a580a02299bc370deb1fd99b5ca10ab86456385870cdae522c185ae51f8d390a7c50fcb5c7898523f52c834bb73515ffc6d0b0bcde210640e815ece9e
SSDEEP

12288:yCjeMsiGVBKvjxTNlZaLlcMj+wXZvQpd9nP2+ZMU2tYspZcMwr/GNd35:yCjeTZa7BTsxewXZUTP2HU2yawjY5

Score

7^/10

discovery spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

windirstat.exe

pid process

2840 windirstat.exe
Loads dropped DLL 3 IoCs

Processes:

windirstat1_1_2_setup.exe

pid process

1448 windirstat1_1_2_setup.exe
1448 windirstat1_1_2_setup.exe
1448 windirstat1_1_2_setup.exe
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
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Enumerates connected drives 3 TTPs 2 IoCs
Attempts to read the root path of hard drives other than the default C: drive.

Query Registry
T1012

Peripheral Device Discovery
T1120

System Information Discovery
T1082

Processes:

windirstat.exe

description ioc process

File opened (read-only) \??\D: windirstat.exe
File opened (read-only) \??\F: windirstat.exe

pid	process
2840	windirstat.exe

pid	process
1448	windirstat1_1_2_setup.exe
1448	windirstat1_1_2_setup.exe
1448	windirstat1_1_2_setup.exe

description	ioc	process
File opened (read-only)	\??\D:	windirstat.exe
File opened (read-only)	\??\F:	windirstat.exe

Drops file in Program Files directory 3 IoCs

Processes:

windirstat1_1_2_setup.exe

description	ioc	process
File created	C:\Program Files (x86)\WinDirStat\windirstat.chm	windirstat1_1_2_setup.exe
File created	C:\Program Files (x86)\WinDirStat\Uninstall.exe	windirstat1_1_2_setup.exe
File created	C:\Program Files (x86)\WinDirStat\windirstat.exe	windirstat1_1_2_setup.exe

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

System Information Discovery
T1082

NSIS installer 1 IoCs

installer

Processes:

resource	yara_rule
C:\Program Files (x86)\WinDirStat\Uninstall.exe	nsis_installer_1

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

windirstat.exe

pid process

2840 windirstat.exe

pid	process
2840	windirstat.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

windirstat.exe

description	pid	process
Token: SeBackupPrivilege	2840	windirstat.exe
Token: SeBackupPrivilege	2840	windirstat.exe
Token: SeBackupPrivilege	2840	windirstat.exe
Token: SeBackupPrivilege	2840	windirstat.exe
Token: SeBackupPrivilege	2840	windirstat.exe
Token: SeBackupPrivilege	2840	windirstat.exe
Token: SeBackupPrivilege	2840	windirstat.exe
Token: SeBackupPrivilege	2840	windirstat.exe
Token: SeBackupPrivilege	2840	windirstat.exe
Token: SeBackupPrivilege	2840	windirstat.exe
Token: SeBackupPrivilege	2840	windirstat.exe
Token: SeBackupPrivilege	2840	windirstat.exe
Token: SeBackupPrivilege	2840	windirstat.exe
Token: SeBackupPrivilege	2840	windirstat.exe
Token: SeBackupPrivilege	2840	windirstat.exe
Token: SeBackupPrivilege	2840	windirstat.exe
Token: SeBackupPrivilege	2840	windirstat.exe
Token: SeBackupPrivilege	2840	windirstat.exe
Token: SeBackupPrivilege	2840	windirstat.exe
Token: SeBackupPrivilege	2840	windirstat.exe
Token: SeBackupPrivilege	2840	windirstat.exe
Token: SeBackupPrivilege	2840	windirstat.exe
Token: SeBackupPrivilege	2840	windirstat.exe
Token: SeBackupPrivilege	2840	windirstat.exe
Token: SeBackupPrivilege	2840	windirstat.exe
Token: SeBackupPrivilege	2840	windirstat.exe
Token: SeBackupPrivilege	2840	windirstat.exe
Token: SeBackupPrivilege	2840	windirstat.exe
Token: SeBackupPrivilege	2840	windirstat.exe
Token: SeBackupPrivilege	2840	windirstat.exe
Token: SeBackupPrivilege	2840	windirstat.exe
Token: SeBackupPrivilege	2840	windirstat.exe
Token: SeBackupPrivilege	2840	windirstat.exe
Token: SeBackupPrivilege	2840	windirstat.exe
Token: SeBackupPrivilege	2840	windirstat.exe
Token: SeBackupPrivilege	2840	windirstat.exe
Token: SeBackupPrivilege	2840	windirstat.exe
Token: SeBackupPrivilege	2840	windirstat.exe
Token: SeBackupPrivilege	2840	windirstat.exe
Token: SeBackupPrivilege	2840	windirstat.exe
Token: SeBackupPrivilege	2840	windirstat.exe
Token: SeBackupPrivilege	2840	windirstat.exe
Token: SeBackupPrivilege	2840	windirstat.exe
Token: SeBackupPrivilege	2840	windirstat.exe
Token: SeBackupPrivilege	2840	windirstat.exe
Token: SeBackupPrivilege	2840	windirstat.exe
Token: SeBackupPrivilege	2840	windirstat.exe
Token: SeBackupPrivilege	2840	windirstat.exe
Token: SeBackupPrivilege	2840	windirstat.exe
Token: SeBackupPrivilege	2840	windirstat.exe
Token: SeBackupPrivilege	2840	windirstat.exe
Token: SeBackupPrivilege	2840	windirstat.exe
Token: SeBackupPrivilege	2840	windirstat.exe
Token: SeBackupPrivilege	2840	windirstat.exe
Token: SeBackupPrivilege	2840	windirstat.exe
Token: SeBackupPrivilege	2840	windirstat.exe
Token: SeBackupPrivilege	2840	windirstat.exe
Token: SeBackupPrivilege	2840	windirstat.exe
Token: SeBackupPrivilege	2840	windirstat.exe
Token: SeBackupPrivilege	2840	windirstat.exe
Token: SeBackupPrivilege	2840	windirstat.exe
Token: SeBackupPrivilege	2840	windirstat.exe
Token: SeBackupPrivilege	2840	windirstat.exe
Token: SeBackupPrivilege	2840	windirstat.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

windirstat.exe

pid process

2840 windirstat.exe
Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

windirstat.exe

pid process

2840 windirstat.exe
2840 windirstat.exe
2840 windirstat.exe
2840 windirstat.exe

pid	process
2840	windirstat.exe

pid	process
2840	windirstat.exe
2840	windirstat.exe
2840	windirstat.exe
2840	windirstat.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

windirstat1_1_2_setup.exe

description	pid	process	target process
PID 1448 wrote to memory of 2840	1448	windirstat1_1_2_setup.exe	windirstat.exe
PID 1448 wrote to memory of 2840	1448	windirstat1_1_2_setup.exe	windirstat.exe
PID 1448 wrote to memory of 2840	1448	windirstat1_1_2_setup.exe	windirstat.exe

C:\Users\Admin\AppData\Local\Temp\windirstat1_1_2_setup.exe
"C:\Users\Admin\AppData\Local\Temp\windirstat1_1_2_setup.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1448

C:\Program Files (x86)\WinDirStat\windirstat.exe
"C:\Program Files (x86)\WinDirStat\windirstat.exe"
2⤵
- Executes dropped EXE
- Enumerates connected drives
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:2840

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:3616

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\WinDirStat\Uninstall.exe
Filesize
46KB

MD5
a127e6118b9dd2f9d5a7cc4d697a0105

SHA1
9ac17d4dcf0884ceafacf10c42209c0942dfe7a8

SHA256
afc864cfce79b2a6add491a27ea672d958233ed7a97a2cbbce60100d2fa1e670

SHA512
0e57d2856c02c55d477d9b3cc1d4bf5ffa3650d4b20be18b0a9e614d19143aee325c4cd92ff31bbddf6e93cd3ebeb47d8727de6e25faa366341cc71117122065

Download Submit
C:\Program Files (x86)\WinDirStat\windirstat.chm
Filesize
50KB

MD5
1bddb8a0e0f9cd90a5b3936ec2c2c4cf

SHA1
c8302168fb532fe03e76cb8a82aa53b49ee0bc44

SHA256
1e87c07744054709d271337d8ce06929429b334d70875605cb68ecc4c6610cd1

SHA512
b857de9026b3eab13f4dbc464e6403835e3a61e5e9e3566735bf1ddd8dedc4ecf08807b27207bd8b385250b71ea234b301dd49e6f3c90f1270ae03868c035472

Download Submit
C:\Program Files (x86)\WinDirStat\windirstat.exe
Filesize
636KB

MD5
24cd9a82fcfc658dd3ae7ba25c958ffb

SHA1
26e14a532e1e050eb20755a0b7a5fea99dd80588

SHA256
cc3ee246f2710dc9ba9e2a88e3192b88f1db4caa2eefb8641642a33df04e585c

SHA512
4de675be1f7d618d133ef24765a027840473e0c5bc93550d5e5fdbf078edc74c2241e6e3cd8753517e2954c7f09b9909028de7b727294d723fb5700658c7979d

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsw7C66.tmp\InstallOptions.dll
Filesize
14KB

MD5
9b2ad0546fd834c01a3bdcbfbc95da7d

SHA1
4f92f5a6b269d969ba3340f1c1978d337992a62c

SHA256
7e08cb4ff81dbb0573c672301681e31b2042682e9a2204673f811455f823dd37

SHA512
5b374fe7cc8d6ff8b93cfcc8deae23f2313f8240c998d04d3e65c196b33c7d36a33930ffd481cdd6d30aa4c73dd2a1c6fe43791e9bf10bd71b33321a8e71c6b8

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsw7C66.tmp\System.dll
Filesize
10KB

MD5
4125926391466fdbe8a4730f2374b033

SHA1
fdd23034ada72d2537939ac6755d7f7c0e9b3f0e

SHA256
6692bd93bcd04146831652780c1170da79aa3784c3c070d95fb1580e339de6c5

SHA512
32a1cf96842454b3c3641316ee39051ae024bdce9e88ac236eadad531f2c0a08d46b77d525f7d994c9a5af4cc9a391d30ee92b9ec782b7fb9a42c76f0f52a008

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsw7C66.tmp\ioSpecial.ini
Filesize
725B

MD5
a52fc62f7e595031f98648daf0d09992

SHA1
4b04d5f90a4ea12ed50554f2807f2f9a38a4ac5b

SHA256
a8142efa37e36b0bd43f57b8fb75c8d8de79e5a70f1dd53f86bd39aa5c758273

SHA512
0d8fe05c70adab305a02e50c41d3a6fa5625026c0aa5d203aed854beb6c53984dedc1d1c1d4aac4ca0b1e624bebd3fade8d55dfe017abb2f0fccb154499eb87f

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\WinDirStat\Help (ENG).lnk
Filesize
1KB

MD5
7e1fd6d69a953307a23c9fbe63b0436c

SHA1
dd94486c78d05b8566f72f7955d73fd5eb74a770

SHA256
b79cc14d6bee0df65aac683b1f9332e057bd8d7eaf2b8d702e4852d670fb3db9

SHA512
c0c703b5480b5c90126aa19e2b26ebb5782607e76a2c864cb042ce6078d876b8e9556b4d15e59821c266f90b50f7d9f655789e9ea44cec2e3bda98c8f441b98b

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\WinDirStat\Uninstall WinDirStat.lnk
Filesize
1KB

MD5
cd0a3b45825a061c74a991bd663be27f

SHA1
24e9ba3c55f6c36e7682d844fec3cc33824516fb

SHA256
0e85f846639da4750e135994a4b09f188ac88f8da355e7758354f010fb9fdb59

SHA512
b11b11d91da4fd2a6c47de3eae20412bf961b1cdb21f26d97977e00ec40ac61f2c90deb8f9accc3550d1a489f028ca2f709f9edc80f24e3ec52b87cfa2802ca3

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\WinDirStat\WinDirStat.lnk
Filesize
1KB

MD5
f3cc878ae8d984af1c5410a316168c91

SHA1
272a94338fd1d632f8dee6060d144f743dfa0ae3

SHA256
d221b048ca07be4b3b18de9aa95667a503de0ab4e25d9ccd174963c3b80de9c6

SHA512
d4886e31e034f633bb005138e34f80c4ccfa4552611e29e2795355ca0c797ec86c9583c0b47c3ad4995620dd102d8d7c98bb4a0e3ed21be3af788adec77fa6f2

Download Submit
C:\Users\Admin\Desktop\WinDirStat.lnk
Filesize
1KB

MD5
60301c33bb26295ddb6bb24a1a96d2e6

SHA1
b137f77594496570caafd7ca15e678390c92d281

SHA256
7fee5748d549a31f3480e1913caf2381a15446e348fa07c3353357e423d90e8b

SHA512
1e48667ce745e0c3d597f0027d642c5a04069e9bd0178db3e9fbfb4e81f35590ccd90c3bc698cf6169f149b582f0633679f28c79ce056a42084f1700e296c50d

Download Submit