370a27a30ee57247faddeb1f99a83933247e07c8760a07ed82e451e1cb5e5cdd

Analysis

max time kernel
106s
max time network
94s
platform
windows11-21h2_x64
resource
win11-20240709-en
resource tags

arch:x64arch:x86image:win11-20240709-enlocale:en-usos:windows11-21h2-x64system
submitted
25-07-2024 07:59

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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

9^/10

credential_access discovery spyware stealer

Malware Config

Signatures

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
Credentials from Password Stores: Windows Credential Manager 1 TTPs
Suspicious access to Credentials History.
credential_access stealer

Windows Credential Manager
T1555.004
Executes dropped EXE 1 IoCs

Processes:

windirstat.exe

pid process

1084 windirstat.exe
Loads dropped DLL 3 IoCs

Processes:

windirstat1_1_2_setup.exe

pid process

2764 windirstat1_1_2_setup.exe
2764 windirstat1_1_2_setup.exe
2764 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
1084	windirstat.exe

pid	process
2764	windirstat1_1_2_setup.exe
2764	windirstat1_1_2_setup.exe
2764	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 4 IoCs

Processes:

windirstat1_1_2_setup.exe

description	ioc	process
File created	C:\Program Files (x86)\WinDirStat\wdsr040c.dll	windirstat1_1_2_setup.exe
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

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 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

Processes:

windirstat1_1_2_setup.exewindirstat.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	windirstat1_1_2_setup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	windirstat.exe

NSIS installer 1 IoCs

installer

Processes:

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

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

windirstat.exe

description	pid	process
Token: SeBackupPrivilege	1084	windirstat.exe
Token: SeBackupPrivilege	1084	windirstat.exe
Token: SeBackupPrivilege	1084	windirstat.exe
Token: SeBackupPrivilege	1084	windirstat.exe
Token: SeBackupPrivilege	1084	windirstat.exe
Token: SeBackupPrivilege	1084	windirstat.exe
Token: SeBackupPrivilege	1084	windirstat.exe
Token: SeBackupPrivilege	1084	windirstat.exe
Token: SeBackupPrivilege	1084	windirstat.exe
Token: SeBackupPrivilege	1084	windirstat.exe
Token: SeBackupPrivilege	1084	windirstat.exe
Token: SeBackupPrivilege	1084	windirstat.exe
Token: SeBackupPrivilege	1084	windirstat.exe
Token: SeBackupPrivilege	1084	windirstat.exe
Token: SeBackupPrivilege	1084	windirstat.exe
Token: SeBackupPrivilege	1084	windirstat.exe
Token: SeBackupPrivilege	1084	windirstat.exe
Token: SeBackupPrivilege	1084	windirstat.exe
Token: SeBackupPrivilege	1084	windirstat.exe
Token: SeBackupPrivilege	1084	windirstat.exe
Token: SeBackupPrivilege	1084	windirstat.exe
Token: SeBackupPrivilege	1084	windirstat.exe
Token: SeBackupPrivilege	1084	windirstat.exe
Token: SeBackupPrivilege	1084	windirstat.exe
Token: SeBackupPrivilege	1084	windirstat.exe
Token: SeBackupPrivilege	1084	windirstat.exe
Token: SeBackupPrivilege	1084	windirstat.exe
Token: SeBackupPrivilege	1084	windirstat.exe
Token: SeBackupPrivilege	1084	windirstat.exe
Token: SeBackupPrivilege	1084	windirstat.exe
Token: SeBackupPrivilege	1084	windirstat.exe
Token: SeBackupPrivilege	1084	windirstat.exe
Token: SeBackupPrivilege	1084	windirstat.exe
Token: SeBackupPrivilege	1084	windirstat.exe
Token: SeBackupPrivilege	1084	windirstat.exe
Token: SeBackupPrivilege	1084	windirstat.exe
Token: SeBackupPrivilege	1084	windirstat.exe
Token: SeBackupPrivilege	1084	windirstat.exe
Token: SeBackupPrivilege	1084	windirstat.exe
Token: SeBackupPrivilege	1084	windirstat.exe
Token: SeBackupPrivilege	1084	windirstat.exe
Token: SeBackupPrivilege	1084	windirstat.exe
Token: SeBackupPrivilege	1084	windirstat.exe
Token: SeBackupPrivilege	1084	windirstat.exe
Token: SeBackupPrivilege	1084	windirstat.exe
Token: SeBackupPrivilege	1084	windirstat.exe
Token: SeBackupPrivilege	1084	windirstat.exe
Token: SeBackupPrivilege	1084	windirstat.exe
Token: SeBackupPrivilege	1084	windirstat.exe
Token: SeBackupPrivilege	1084	windirstat.exe
Token: SeBackupPrivilege	1084	windirstat.exe
Token: SeBackupPrivilege	1084	windirstat.exe
Token: SeBackupPrivilege	1084	windirstat.exe
Token: SeBackupPrivilege	1084	windirstat.exe
Token: SeBackupPrivilege	1084	windirstat.exe
Token: SeBackupPrivilege	1084	windirstat.exe
Token: SeBackupPrivilege	1084	windirstat.exe
Token: SeBackupPrivilege	1084	windirstat.exe
Token: SeBackupPrivilege	1084	windirstat.exe
Token: SeBackupPrivilege	1084	windirstat.exe
Token: SeBackupPrivilege	1084	windirstat.exe
Token: SeBackupPrivilege	1084	windirstat.exe
Token: SeBackupPrivilege	1084	windirstat.exe
Token: SeBackupPrivilege	1084	windirstat.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

windirstat.exe

pid process

1084 windirstat.exe
1084 windirstat.exe
1084 windirstat.exe
1084 windirstat.exe

pid	process
1084	windirstat.exe
1084	windirstat.exe
1084	windirstat.exe
1084	windirstat.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

windirstat1_1_2_setup.exe

description	pid	process	target process
PID 2764 wrote to memory of 1084	2764	windirstat1_1_2_setup.exe	windirstat.exe
PID 2764 wrote to memory of 1084	2764	windirstat1_1_2_setup.exe	windirstat.exe
PID 2764 wrote to memory of 1084	2764	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
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2764

C:\Program Files (x86)\WinDirStat\windirstat.exe
"C:\Program Files (x86)\WinDirStat\windirstat.exe"
2⤵
- Executes dropped EXE
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1084

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

Windows Credential Manager

T1555.004

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Browser Information Discovery

T1217

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

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\wdsr040c.dll
Filesize
60KB

MD5
ed8a32ce3b4edbd63b6ed2b6d5ff5d5a

SHA1
ebb687857dff99fecc532e254445a8f3abb89e6c

SHA256
acd0c6b92acb5793a94e820c4d418bd6114c97fe2b9788de73879b8bf220a717

SHA512
8b3d9a9d0c684c4b1563abf9c65e511e0b42ac0161e9d4ea811fbee2beed05ece24450f4c997294ebb8330f2ead6688041c8ba528889205ec93ffb50fc8671e9

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\nsd8119.tmp\InstallOptions.dll
Filesize
14KB

MD5
9b2ad0546fd834c01a3bdcbfbc95da7d

SHA1
4f92f5a6b269d969ba3340f1c1978d337992a62c

SHA256
7e08cb4ff81dbb0573c672301681e31b2042682e9a2204673f811455f823dd37

SHA512
5b374fe7cc8d6ff8b93cfcc8deae23f2313f8240c998d04d3e65c196b33c7d36a33930ffd481cdd6d30aa4c73dd2a1c6fe43791e9bf10bd71b33321a8e71c6b8

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsd8119.tmp\System.dll
Filesize
10KB

MD5
4125926391466fdbe8a4730f2374b033

SHA1
fdd23034ada72d2537939ac6755d7f7c0e9b3f0e

SHA256
6692bd93bcd04146831652780c1170da79aa3784c3c070d95fb1580e339de6c5

SHA512
32a1cf96842454b3c3641316ee39051ae024bdce9e88ac236eadad531f2c0a08d46b77d525f7d994c9a5af4cc9a391d30ee92b9ec782b7fb9a42c76f0f52a008

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsd8119.tmp\ioSpecial.ini
Filesize
790B

MD5
7d32761f8224f5028ac2df5e91031653

SHA1
e6ac2ff3b62b0ba91ec7bc7cbf551b90bfdaba0d

SHA256
604160a4890cbe94132071aad873cb757c20b5df7cd46b5313ffb48cd2d634a4

SHA512
ff2b077c6cabbf6abe803f42d7bf3cc1d84cde2e4a9ac75c0f2bb858f9e68ddeadd6e43a165b6337966c1061627ddbd22a58f08f6bcf6a9bc88f98b79db9fdf3

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsd8119.tmp\ioSpecial.ini
Filesize
799B

MD5
96cdb46eba8e017f8f058a183f425c00

SHA1
aa46eef21d3248020b25b3bb49139b7adec084c9

SHA256
1d13f8866a70ca3b4331baee208768837210acac15eb7bbee8a36e5934aef050

SHA512
fd2de2d983892cd3cbfa6781ac332cd70b34ce8d02cd412a35b4660296c4c1cecb4d1199bb5751f8508cd54d6560685584e5357d035344faf32cef107e176c16

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsd8119.tmp\ioSpecial.ini
Filesize
725B

MD5
608cb162176dd1b3a7de979d2b8205ae

SHA1
ce056b877770154da85e40c3e4fcb138077b98ca

SHA256
03a04d92346a9d892fae5670b4866fc092f9a80ddbba6cd78cf45218478e4810

SHA512
05635a3fd8797a7d177735a402b5f30d3559d92fefab95b3bbd7bc27a965e561f0d24d5ff2f1c47ab7668c88419267a178e39514f3f28abc16ae171e0f3e4b4c

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

MD5
7d7d17b29bd926c4b0a38522da71acc2

SHA1
343891e3a105e22017c2f35299bc8df2ed6d19eb

SHA256
0cee21c8ab4d164b5394ba94b627315153968fa807ad02df3ee730f5c1dee929

SHA512
63004e5b30471aaa5a00ff6549100e5fd0cfb8286958e93642601e5499cafe4f79c625c531d55fc0c22e1a1b86a4bb77d4f3703eae9e6d0ce84c72c4279ae22b

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

MD5
159e15c8f2282d9508bba491e964c661

SHA1
fb8ea54f61873a298bb2581fbf46a0308bb1d844

SHA256
46ccb1310b2f4fcc827cad325a816ec1f44fe3d2a54fcc04a15ca40cbe649a90

SHA512
8cdd4e31ac0e392975a222ad2f9d86e658bb8e3fd1fe543b7be9b13a9e9af9228a3b474448cdfbe271a16c022fe2e57ea5b112b5fbefcd364163ec7f51eecaaa

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

MD5
adf3832ea0fce9d7a826b1e8bcaf0648

SHA1
19dba4037b5d20687efd595954d8ea881df0f4ee

SHA256
32d9c78205e60cef00854348727116878bf9b84fd09b38be3644177c352cbb9f

SHA512
bd43eaab9c57785017d070e0f6c1c9dc7efaa9ba9f6bccc3d950f977fc19aa48878a8dfbb7b233e60a0d6f439bde55a4ee704ea4e108500bbcd0f51896d6cfb6

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

MD5
6d93d9b1577ee35d9c8c04c225d7ecb8

SHA1
b94b96aa45b80307041593029c19c98d18ba8358

SHA256
a08f5746fb16cccb0d864441f339f14bd8ce64b099176836cae27847a80ff493

SHA512
8c3f0d61f5386f04e9d52410b86c702c8fb824e8065093321fbec56daf8d49b0b4e2bd606eb5de4624f3dd26ba1d083603bb6541129e03ea4c75f54fb082e411

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads