370a27a30ee57247faddeb1f99a83933247e07c8760a07ed82e451e1cb5e5cdd

Analysis

max time kernel
174s
max time network
194s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
05-01-2024 04:39

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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

3980 windirstat.exe
Loads dropped DLL 3 IoCs

Processes:

windirstat1_1_2_setup.exe

pid process

728 windirstat1_1_2_setup.exe
728 windirstat1_1_2_setup.exe
728 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
3980	windirstat.exe

pid	process
728	windirstat1_1_2_setup.exe
728	windirstat1_1_2_setup.exe
728	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\wdsr040a.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

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 2 IoCs

Processes:

windirstat1_1_2_setup.exewindirstat.exe

pid process

728 windirstat1_1_2_setup.exe
3980 windirstat.exe

pid	process
728	windirstat1_1_2_setup.exe
3980	windirstat.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

windirstat.exe

description	pid	process
Token: SeBackupPrivilege	3980	windirstat.exe
Token: SeBackupPrivilege	3980	windirstat.exe
Token: SeBackupPrivilege	3980	windirstat.exe
Token: SeBackupPrivilege	3980	windirstat.exe
Token: SeBackupPrivilege	3980	windirstat.exe
Token: SeBackupPrivilege	3980	windirstat.exe
Token: SeBackupPrivilege	3980	windirstat.exe
Token: SeBackupPrivilege	3980	windirstat.exe
Token: SeBackupPrivilege	3980	windirstat.exe
Token: SeBackupPrivilege	3980	windirstat.exe
Token: SeBackupPrivilege	3980	windirstat.exe
Token: SeBackupPrivilege	3980	windirstat.exe
Token: SeBackupPrivilege	3980	windirstat.exe
Token: SeBackupPrivilege	3980	windirstat.exe
Token: SeBackupPrivilege	3980	windirstat.exe
Token: SeBackupPrivilege	3980	windirstat.exe
Token: SeBackupPrivilege	3980	windirstat.exe
Token: SeBackupPrivilege	3980	windirstat.exe
Token: SeBackupPrivilege	3980	windirstat.exe
Token: SeBackupPrivilege	3980	windirstat.exe
Token: SeBackupPrivilege	3980	windirstat.exe
Token: SeBackupPrivilege	3980	windirstat.exe
Token: SeBackupPrivilege	3980	windirstat.exe
Token: SeBackupPrivilege	3980	windirstat.exe
Token: SeBackupPrivilege	3980	windirstat.exe
Token: SeBackupPrivilege	3980	windirstat.exe
Token: SeBackupPrivilege	3980	windirstat.exe
Token: SeBackupPrivilege	3980	windirstat.exe
Token: SeBackupPrivilege	3980	windirstat.exe
Token: SeBackupPrivilege	3980	windirstat.exe
Token: SeBackupPrivilege	3980	windirstat.exe
Token: SeBackupPrivilege	3980	windirstat.exe
Token: SeBackupPrivilege	3980	windirstat.exe
Token: SeBackupPrivilege	3980	windirstat.exe
Token: SeBackupPrivilege	3980	windirstat.exe
Token: SeBackupPrivilege	3980	windirstat.exe
Token: SeBackupPrivilege	3980	windirstat.exe
Token: SeBackupPrivilege	3980	windirstat.exe
Token: SeBackupPrivilege	3980	windirstat.exe
Token: SeBackupPrivilege	3980	windirstat.exe
Token: SeBackupPrivilege	3980	windirstat.exe
Token: SeBackupPrivilege	3980	windirstat.exe
Token: SeBackupPrivilege	3980	windirstat.exe
Token: SeBackupPrivilege	3980	windirstat.exe
Token: SeBackupPrivilege	3980	windirstat.exe
Token: SeBackupPrivilege	3980	windirstat.exe
Token: SeBackupPrivilege	3980	windirstat.exe
Token: SeBackupPrivilege	3980	windirstat.exe
Token: SeBackupPrivilege	3980	windirstat.exe
Token: SeBackupPrivilege	3980	windirstat.exe
Token: SeBackupPrivilege	3980	windirstat.exe
Token: SeBackupPrivilege	3980	windirstat.exe
Token: SeBackupPrivilege	3980	windirstat.exe
Token: SeBackupPrivilege	3980	windirstat.exe
Token: SeBackupPrivilege	3980	windirstat.exe
Token: SeBackupPrivilege	3980	windirstat.exe
Token: SeBackupPrivilege	3980	windirstat.exe
Token: SeBackupPrivilege	3980	windirstat.exe
Token: SeBackupPrivilege	3980	windirstat.exe
Token: SeBackupPrivilege	3980	windirstat.exe
Token: SeBackupPrivilege	3980	windirstat.exe
Token: SeBackupPrivilege	3980	windirstat.exe
Token: SeBackupPrivilege	3980	windirstat.exe
Token: SeBackupPrivilege	3980	windirstat.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

windirstat.exe

pid process

3980 windirstat.exe
3980 windirstat.exe
3980 windirstat.exe
3980 windirstat.exe

pid	process
3980	windirstat.exe
3980	windirstat.exe
3980	windirstat.exe
3980	windirstat.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

windirstat1_1_2_setup.exe

description	pid	process	target process
PID 728 wrote to memory of 3980	728	windirstat1_1_2_setup.exe	windirstat.exe
PID 728 wrote to memory of 3980	728	windirstat1_1_2_setup.exe	windirstat.exe
PID 728 wrote to memory of 3980	728	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 behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:728

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 SetWindowsHookEx
PID:3980

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\wdsr040a.dll
Filesize
60KB

MD5
cf69ec4f622ab3efc0d59c94c7861d3c

SHA1
8baa748295cb941e1693e4c2a298343fbfc5c048

SHA256
75ca96992380e5b8e323310a01c8a68805ad76223197d2bdaecc03817d233dea

SHA512
dcc99395fed596e6ef7a959731254093e73fa006a14b0ecbe6f780a9d8236428d9e90024e016d5f1bdbf323e1fe01ffa3727c9d09a8666ef2745dc56462ed6cf

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\nsuB5D0.tmp\InstallOptions.dll
Filesize
14KB

MD5
9b2ad0546fd834c01a3bdcbfbc95da7d

SHA1
4f92f5a6b269d969ba3340f1c1978d337992a62c

SHA256
7e08cb4ff81dbb0573c672301681e31b2042682e9a2204673f811455f823dd37

SHA512
5b374fe7cc8d6ff8b93cfcc8deae23f2313f8240c998d04d3e65c196b33c7d36a33930ffd481cdd6d30aa4c73dd2a1c6fe43791e9bf10bd71b33321a8e71c6b8

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsuB5D0.tmp\System.dll
Filesize
10KB

MD5
4125926391466fdbe8a4730f2374b033

SHA1
fdd23034ada72d2537939ac6755d7f7c0e9b3f0e

SHA256
6692bd93bcd04146831652780c1170da79aa3784c3c070d95fb1580e339de6c5

SHA512
32a1cf96842454b3c3641316ee39051ae024bdce9e88ac236eadad531f2c0a08d46b77d525f7d994c9a5af4cc9a391d30ee92b9ec782b7fb9a42c76f0f52a008

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsuB5D0.tmp\ioSpecial.ini
Filesize
799B

MD5
3742046d04bd1a991231bdb2a34b6957

SHA1
c91224b90dcfc459fd8f2c43c22d97523f454bfe

SHA256
8dfee0e113f914de567996a49017b4cd33d13feba0ba4699924cede849feda38

SHA512
881c8e142dcdb6ed59a7fe79c4b572a7bae55934e8ccd21196ca38d268b7244124171eb209d1eafeb18eaf3f9e828de285da9ce4c3713b21422f4ae4acbb4645

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsuB5D0.tmp\ioSpecial.ini
Filesize
725B

MD5
ccbbf6a071aa5a36e4f8dac6d932c23f

SHA1
8600bac1b2e3925b4cb97d151ef48d81a899a3a5

SHA256
e6d2ab2c02efc2dc0d4d3e489abcd7ab95467b06cd4c6161eebd1820670b1c0d

SHA512
90ecf62b7ac72ce8dc36c4498f7dd2460ce6d3d88e6e600327c9cd4fbf049cf556e588c1a69278d336e65a570a0593f0d6663d768643cfc0a73b79c974dbbe36

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

MD5
123cd38f35543702466ec17b4fa0db2c

SHA1
bea19e4d7f2d3f8e64fd238025fb5ea944a84047

SHA256
1602cc3938bf4fe3b4e954d3172b40250e469f63bd864cdd8f09e4c8dfdbf417

SHA512
10ad9139f02e2c01a8b9c8f2b7311e0dd0e275eb300d33e0bc2b3ed9cbcaf95e48492a81abc649897f02f5639648328977f9c489800d0dfded6e8d1ae0565343

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

MD5
658a206bd1ef337f6d83bdcea9bee5fd

SHA1
6b00f2c0c33eff3c4198448e67757e65fca1183e

SHA256
656fda20775ce23df271b421245793168286d4c2e1b7ff014309864e3082b6e0

SHA512
663de8c3df71dfa1d1a89d16f6a7908bcf9ab17e757076c421d35f9d601545d9126dc691cb46a963a1cb5e1d108f96daa54d72e3c083a9afee40cd2318fdd400

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

MD5
34f76f56000af6e062470aa05591bfd0

SHA1
e3e07e9d9a7bab3961bc49a280a45b88997158df

SHA256
0dc2850d27f35dc9454b736465773f9f0ac4ae7918b3517be4c33f46cd75a639

SHA512
d0fb3ded3312c3df2efba264c12ee7f5eef1e48bb5186cb24d2ae76515c3d01779fdd03ded87a08d88ca1676624b7e90e96498c7cd1597a090170cefaef4edb3

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

MD5
5a34efbb08a35e070bc6403c570b28e5

SHA1
49716bb793136660d52c57df6e110d1761e58a4d

SHA256
4e1cc7bf8ee68db13fd751f3964d9d75345a7b96b5dcb8e0f27c1207551d1420

SHA512
a4ff293fef8d6291b505ee40e5052aa89f2b85f17496614f97d5d73f7ca2e2340036ac0089e1f0460df5a4b93f1f6d8227746609101fe8d4992dc890e83014d6

Download Submit