370a27a30ee57247faddeb1f99a83933247e07c8760a07ed82e451e1cb5e5cdd

Analysis

max time kernel
78s
max time network
65s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
23-09-2024 05:28

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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

2680 windirstat.exe
Loads dropped DLL 3 IoCs

Processes:

windirstat1_1_2_setup.exe

pid process

4676 windirstat1_1_2_setup.exe
4676 windirstat1_1_2_setup.exe
4676 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
2680	windirstat.exe

pid	process
4676	windirstat1_1_2_setup.exe
4676	windirstat1_1_2_setup.exe
4676	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

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 behavior: GetForegroundWindowSpam 1 IoCs

Processes:

windirstat.exe

pid process

2680 windirstat.exe

pid	process
2680	windirstat.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

windirstat.exe

description	pid	process
Token: SeBackupPrivilege	2680	windirstat.exe
Token: SeBackupPrivilege	2680	windirstat.exe
Token: SeBackupPrivilege	2680	windirstat.exe
Token: SeBackupPrivilege	2680	windirstat.exe
Token: SeBackupPrivilege	2680	windirstat.exe
Token: SeBackupPrivilege	2680	windirstat.exe
Token: SeBackupPrivilege	2680	windirstat.exe
Token: SeBackupPrivilege	2680	windirstat.exe
Token: SeBackupPrivilege	2680	windirstat.exe
Token: SeBackupPrivilege	2680	windirstat.exe
Token: SeBackupPrivilege	2680	windirstat.exe
Token: SeBackupPrivilege	2680	windirstat.exe
Token: SeBackupPrivilege	2680	windirstat.exe
Token: SeBackupPrivilege	2680	windirstat.exe
Token: SeBackupPrivilege	2680	windirstat.exe
Token: SeBackupPrivilege	2680	windirstat.exe
Token: SeBackupPrivilege	2680	windirstat.exe
Token: SeBackupPrivilege	2680	windirstat.exe
Token: SeBackupPrivilege	2680	windirstat.exe
Token: SeBackupPrivilege	2680	windirstat.exe
Token: SeBackupPrivilege	2680	windirstat.exe
Token: SeBackupPrivilege	2680	windirstat.exe
Token: SeBackupPrivilege	2680	windirstat.exe
Token: SeBackupPrivilege	2680	windirstat.exe
Token: SeBackupPrivilege	2680	windirstat.exe
Token: SeBackupPrivilege	2680	windirstat.exe
Token: SeBackupPrivilege	2680	windirstat.exe
Token: SeBackupPrivilege	2680	windirstat.exe
Token: SeBackupPrivilege	2680	windirstat.exe
Token: SeBackupPrivilege	2680	windirstat.exe
Token: SeBackupPrivilege	2680	windirstat.exe
Token: SeBackupPrivilege	2680	windirstat.exe
Token: SeBackupPrivilege	2680	windirstat.exe
Token: SeBackupPrivilege	2680	windirstat.exe
Token: SeBackupPrivilege	2680	windirstat.exe
Token: SeBackupPrivilege	2680	windirstat.exe
Token: SeBackupPrivilege	2680	windirstat.exe
Token: SeBackupPrivilege	2680	windirstat.exe
Token: SeBackupPrivilege	2680	windirstat.exe
Token: SeBackupPrivilege	2680	windirstat.exe
Token: SeBackupPrivilege	2680	windirstat.exe
Token: SeBackupPrivilege	2680	windirstat.exe
Token: SeBackupPrivilege	2680	windirstat.exe
Token: SeBackupPrivilege	2680	windirstat.exe
Token: SeBackupPrivilege	2680	windirstat.exe
Token: SeBackupPrivilege	2680	windirstat.exe
Token: SeBackupPrivilege	2680	windirstat.exe
Token: SeBackupPrivilege	2680	windirstat.exe
Token: SeBackupPrivilege	2680	windirstat.exe
Token: SeBackupPrivilege	2680	windirstat.exe
Token: SeBackupPrivilege	2680	windirstat.exe
Token: SeBackupPrivilege	2680	windirstat.exe
Token: SeBackupPrivilege	2680	windirstat.exe
Token: SeBackupPrivilege	2680	windirstat.exe
Token: SeBackupPrivilege	2680	windirstat.exe
Token: SeBackupPrivilege	2680	windirstat.exe
Token: SeBackupPrivilege	2680	windirstat.exe
Token: SeBackupPrivilege	2680	windirstat.exe
Token: SeBackupPrivilege	2680	windirstat.exe
Token: SeBackupPrivilege	2680	windirstat.exe
Token: SeBackupPrivilege	2680	windirstat.exe
Token: SeBackupPrivilege	2680	windirstat.exe
Token: SeBackupPrivilege	2680	windirstat.exe
Token: SeBackupPrivilege	2680	windirstat.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

windirstat.exe

pid process

2680 windirstat.exe
2680 windirstat.exe
2680 windirstat.exe
2680 windirstat.exe

pid	process
2680	windirstat.exe
2680	windirstat.exe
2680	windirstat.exe
2680	windirstat.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

windirstat1_1_2_setup.exe

description	pid	process	target process
PID 4676 wrote to memory of 2680	4676	windirstat1_1_2_setup.exe	windirstat.exe
PID 4676 wrote to memory of 2680	4676	windirstat1_1_2_setup.exe	windirstat.exe
PID 4676 wrote to memory of 2680	4676	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:4676

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 behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2680

Network

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\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\nsx735D.tmp\InstallOptions.dll
Filesize
14KB

MD5
9b2ad0546fd834c01a3bdcbfbc95da7d

SHA1
4f92f5a6b269d969ba3340f1c1978d337992a62c

SHA256
7e08cb4ff81dbb0573c672301681e31b2042682e9a2204673f811455f823dd37

SHA512
5b374fe7cc8d6ff8b93cfcc8deae23f2313f8240c998d04d3e65c196b33c7d36a33930ffd481cdd6d30aa4c73dd2a1c6fe43791e9bf10bd71b33321a8e71c6b8

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsx735D.tmp\System.dll
Filesize
10KB

MD5
4125926391466fdbe8a4730f2374b033

SHA1
fdd23034ada72d2537939ac6755d7f7c0e9b3f0e

SHA256
6692bd93bcd04146831652780c1170da79aa3784c3c070d95fb1580e339de6c5

SHA512
32a1cf96842454b3c3641316ee39051ae024bdce9e88ac236eadad531f2c0a08d46b77d525f7d994c9a5af4cc9a391d30ee92b9ec782b7fb9a42c76f0f52a008

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsx735D.tmp\ioSpecial.ini
Filesize
801B

MD5
1cd7c3fc02cd68bc2d4629231e73902f

SHA1
6426640d51d3d00eeb45d438af26a2bdb42636ba

SHA256
9bc8deb3a99def5c3d25fabbbe1831ed2b22ed7f42364de7a1d2e8524c46d0e7

SHA512
0cbfbaae47a10d5eff49743ac56e91c294e8dabd01219c240fc807da4a291a935fb239e46cb50ad9ad2d21d0068d00e98061e1f11defe8a59658eab4835ea562

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsx735D.tmp\ioSpecial.ini
Filesize
725B

MD5
89a66a05afe6f35b63405ebc8c9bcb14

SHA1
04b410cf63a61884e6ab446f2bfb884985b6849a

SHA256
c1cb92c0e48920c9707bf60d6212625b51028754be1ebd807471ba2db0d3b051

SHA512
ce5e0a68170d3049ad5b78642dd1815e8b342e70c2bbd86c2a32ee74051cd4bc0b63d5bdcbe6791a63dc026fb0accd08c47299ac8fa937a82c668d04ffed0cfc

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

MD5
c20a0a1b8e6ba87e16829aa14f62f6f3

SHA1
d4c28ae3a79401e2dbf0de4abd2aadd6962aeb46

SHA256
af8b9d811a49165ee007964a8ddc13d6eca2d85cf08dd58047aaa4e28887b1dd

SHA512
ab9d58da2dd9e65f1f21f31595a356ecedad65ca717355c82cd6033717cdeb859f8ccb414735d3a2ab392df2331f71ad33072d7e3e0987535d8950dde177755e

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

MD5
2135d68993b352b82bf87b0df32c6fe7

SHA1
39a7fdfce689a62467ede3549102d4937973488a

SHA256
a72c6fbe6e1246eea33cd084ae98132bcea75b2a1e0f5f53cb30e2fd4c309fb1

SHA512
afb4581ccd0348bbaecf1f0b191c031776077c14f19b464d999e923b9def8f050e8958757a8af37f186a6c70f43c182e2b48c094cf4170737bc5b61f6fc4993e

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

MD5
cbdd2e123bc886b6f964a9392961c28b

SHA1
eacf380cc37ba8178153a881ecb6a607be4c0220

SHA256
0f5f57214eaf11a25bec8b9a626c01f9ee41e4297986d3c656cc0a5c2c301759

SHA512
ae49dd2fb9abde4a5bfcc4e8db9cacc03886b5980c988d4a9254f404d5f6debd4731b327e54028c8414bc2fdb808e78215c5d9a559a84b6125decb36b0b6e6d2

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

MD5
a4ca18edeb3da1f906433da5590ca20c

SHA1
96546c1a42f28eb34c5213285dfd4f55f8e22cdf

SHA256
3871aaa55323d896d3d9f53e9ebdb45c51d8bc36aebc55b496135228b40077ae

SHA512
b8340a97acf1b34c8fb629b536a58a146bff8b6a2ab2a210d3d6dfca4a14427a75b8cfb5e2ab3440c24b7d4499c3a81bdc2ed06457fa3a79e6a7c9eefe1cb36f

Download Submit