370a27a30ee57247faddeb1f99a83933247e07c8760a07ed82e451e1cb5e5cdd

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
23-04-2024 02:36

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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

1300 windirstat.exe

pid	process
1300	windirstat.exe

Loads dropped DLL 11 IoCs

Processes:

windirstat1_1_2_setup.exewindirstat.exe

pid	process
2956	windirstat1_1_2_setup.exe
2956	windirstat1_1_2_setup.exe
2956	windirstat1_1_2_setup.exe
2956	windirstat1_1_2_setup.exe
2956	windirstat1_1_2_setup.exe
2956	windirstat1_1_2_setup.exe
2956	windirstat1_1_2_setup.exe
2956	windirstat1_1_2_setup.exe
1300	windirstat.exe
1300	windirstat.exe
1300	windirstat.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

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.exe	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

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
\Program Files (x86)\WinDirStat\Uninstall.exe	nsis_installer_1

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

windirstat1_1_2_setup.exewindirstat.exe

description	pid	process
Token: SeRestorePrivilege	2956	windirstat1_1_2_setup.exe
Token: SeBackupPrivilege	2956	windirstat1_1_2_setup.exe
Token: SeBackupPrivilege	1300	windirstat.exe
Token: SeBackupPrivilege	1300	windirstat.exe
Token: SeBackupPrivilege	1300	windirstat.exe
Token: SeBackupPrivilege	1300	windirstat.exe
Token: SeBackupPrivilege	1300	windirstat.exe
Token: SeBackupPrivilege	1300	windirstat.exe
Token: SeBackupPrivilege	1300	windirstat.exe
Token: SeBackupPrivilege	1300	windirstat.exe
Token: SeBackupPrivilege	1300	windirstat.exe
Token: SeBackupPrivilege	1300	windirstat.exe
Token: SeBackupPrivilege	1300	windirstat.exe
Token: SeBackupPrivilege	1300	windirstat.exe
Token: SeBackupPrivilege	1300	windirstat.exe
Token: SeBackupPrivilege	1300	windirstat.exe
Token: SeBackupPrivilege	1300	windirstat.exe
Token: SeBackupPrivilege	1300	windirstat.exe
Token: SeBackupPrivilege	1300	windirstat.exe
Token: SeBackupPrivilege	1300	windirstat.exe
Token: SeBackupPrivilege	1300	windirstat.exe
Token: SeBackupPrivilege	1300	windirstat.exe
Token: SeBackupPrivilege	1300	windirstat.exe
Token: SeBackupPrivilege	1300	windirstat.exe
Token: SeBackupPrivilege	1300	windirstat.exe
Token: SeBackupPrivilege	1300	windirstat.exe
Token: SeBackupPrivilege	1300	windirstat.exe
Token: SeBackupPrivilege	1300	windirstat.exe
Token: SeBackupPrivilege	1300	windirstat.exe
Token: SeBackupPrivilege	1300	windirstat.exe
Token: SeBackupPrivilege	1300	windirstat.exe
Token: SeBackupPrivilege	1300	windirstat.exe
Token: SeBackupPrivilege	1300	windirstat.exe
Token: SeBackupPrivilege	1300	windirstat.exe
Token: SeBackupPrivilege	1300	windirstat.exe
Token: SeBackupPrivilege	1300	windirstat.exe
Token: SeBackupPrivilege	1300	windirstat.exe
Token: SeBackupPrivilege	1300	windirstat.exe
Token: SeBackupPrivilege	1300	windirstat.exe
Token: SeBackupPrivilege	1300	windirstat.exe
Token: SeBackupPrivilege	1300	windirstat.exe
Token: SeBackupPrivilege	1300	windirstat.exe
Token: SeBackupPrivilege	1300	windirstat.exe
Token: SeBackupPrivilege	1300	windirstat.exe
Token: SeBackupPrivilege	1300	windirstat.exe
Token: SeBackupPrivilege	1300	windirstat.exe
Token: SeBackupPrivilege	1300	windirstat.exe
Token: SeBackupPrivilege	1300	windirstat.exe
Token: SeBackupPrivilege	1300	windirstat.exe
Token: SeBackupPrivilege	1300	windirstat.exe
Token: SeBackupPrivilege	1300	windirstat.exe
Token: SeBackupPrivilege	1300	windirstat.exe
Token: SeBackupPrivilege	1300	windirstat.exe
Token: SeBackupPrivilege	1300	windirstat.exe
Token: SeBackupPrivilege	1300	windirstat.exe
Token: SeBackupPrivilege	1300	windirstat.exe
Token: SeBackupPrivilege	1300	windirstat.exe
Token: SeBackupPrivilege	1300	windirstat.exe
Token: SeBackupPrivilege	1300	windirstat.exe
Token: SeBackupPrivilege	1300	windirstat.exe
Token: SeBackupPrivilege	1300	windirstat.exe
Token: SeBackupPrivilege	1300	windirstat.exe
Token: SeBackupPrivilege	1300	windirstat.exe
Token: SeBackupPrivilege	1300	windirstat.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

windirstat.exe

pid process

1300 windirstat.exe
1300 windirstat.exe
1300 windirstat.exe
1300 windirstat.exe

pid	process
1300	windirstat.exe
1300	windirstat.exe
1300	windirstat.exe
1300	windirstat.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

windirstat1_1_2_setup.exe

description	pid	process	target process
PID 2956 wrote to memory of 1300	2956	windirstat1_1_2_setup.exe	windirstat.exe
PID 2956 wrote to memory of 1300	2956	windirstat1_1_2_setup.exe	windirstat.exe
PID 2956 wrote to memory of 1300	2956	windirstat1_1_2_setup.exe	windirstat.exe
PID 2956 wrote to memory of 1300	2956	windirstat1_1_2_setup.exe	windirstat.exe
PID 2956 wrote to memory of 1300	2956	windirstat1_1_2_setup.exe	windirstat.exe
PID 2956 wrote to memory of 1300	2956	windirstat1_1_2_setup.exe	windirstat.exe
PID 2956 wrote to memory of 1300	2956	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 AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2956

C:\Program Files (x86)\WinDirStat\windirstat.exe
"C:\Program Files (x86)\WinDirStat\windirstat.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1300

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

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Downloads

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

MD5
1bddb8a0e0f9cd90a5b3936ec2c2c4cf

SHA1
c8302168fb532fe03e76cb8a82aa53b49ee0bc44

SHA256
1e87c07744054709d271337d8ce06929429b334d70875605cb68ecc4c6610cd1

SHA512
b857de9026b3eab13f4dbc464e6403835e3a61e5e9e3566735bf1ddd8dedc4ecf08807b27207bd8b385250b71ea234b301dd49e6f3c90f1270ae03868c035472

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

MD5
80ef2329a9a7359af82232c958343a95

SHA1
0dfed029e3092680d0e44725122b0965dc06e61d

SHA256
d4ee42d2c9606b68d476231d192571f295b69a7602c565ce156caa26c8916bf3

SHA512
62db9fbf0fdbb90e296882da3b085741999ec957fc25265af80d8a05297e155a36af1fb1c77582fbf283df71c771b46bc19cd401ae6b8af8940a7b96ffc8c521

Download Submit
C:\ProgramData\Microsoft\Windows\Start Menu\Programs\WinDirStat\Uninstall WinDirStat.lnk
Filesize
1KB

MD5
879dfea06b81d8b9b5ed6267fc0ac154

SHA1
7f7a6fe66ebd96b562b4a1d16da68b06d533a44f

SHA256
4818aec9a7fd4815e2ed9037b85a476cdb52b901ce736eb7c7dea13e3ff01c5c

SHA512
26b3d93d1b3aeb0e710cbdb8c5b93fd3eb3f422d421062e2590abd6ba7b4be1043469a469cfd06a69dc55d965c3ea9084788ad3f8898fc043e5bec361a920851

Download Submit
C:\ProgramData\Microsoft\Windows\Start Menu\Programs\WinDirStat\WinDirStat.lnk
Filesize
1KB

MD5
fae059e493070aa287cd93846a552360

SHA1
01682cf42b33b4f2b8f10618007a91008f0fba87

SHA256
2489a12f2c3a88f13abdf823beb1836d21216cc412b8feb62ea51ba8cae3ea02

SHA512
186ee256ad7f1507510c5c6470404b06d17ac9a22062f026ae6d45bccc24332d8573b0054414ac5e8dc436678e856a716737351bfce8102631bc39738c6c8b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsi1FC2.tmp\ioSpecial.ini
Filesize
799B

MD5
ad4c52da80050951d29cebc1f4877142

SHA1
58214978a650e3f46d2b75f5a70ab5452d395c88

SHA256
4196a2e7c266f56a8b58a6c26bc6a33109ec279291f7a910e272d5fd8679f052

SHA512
eb1b3681e5a3d0c026b8c854344d0c005196f33c96e936267e75c7feff6729386c6c968a525baa5162fd4fd178f91ea9ab95b25a91f6b05c2794b833bf0c9051

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsi1FC2.tmp\ioSpecial.ini
Filesize
725B

MD5
ae5dd264272cad525209ecc23eac85ae

SHA1
115a50b90654ffe8b0c93435980b31d1abdb9130

SHA256
ada032bdee41eb02ba4d8b990bc7995e6d2bd952514e7482567f33314717322d

SHA512
4e933d4762c16d33820d78db99ef743c053ba16a84741375ae5b07fa8366d28b0155b9e25bf42f2c01a41c9e451eca00d05baf6902aef1047ff5a5d3f935f13b

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsi1FC2.tmp\ioSpecial.ini
Filesize
777B

MD5
0f1fc104ce061c08c79dcd984fdbca9f

SHA1
7a5c94fd64589c7cfb64006e16ba0f1c45581e26

SHA256
1b4782c1065d042716515292f593cc26e3c74280e8ad81de6387c3aae018802a

SHA512
528811611516fc616640b4b91a6d2ebcb37fbda5e02acd2555763dc327603fa427a796f28af9256ff8eddc813449e3d80e43174861d196ce369d7fa0b9e79a79

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

MD5
b1f39276a44bcddd326012adf40c10c8

SHA1
f5a738de04056c3edc761b883ff521a5814a693f

SHA256
6c49ed92e37d8288fa5774579a692bd02033e82e6acf69ed6652d555b7fa7fce

SHA512
7260c6de9110662ee51b5354ab5a76e0dbb3af6d4cf69d5918656a90a02a226fa7bd3f4a8cd5c74a0b8966311f9324e65e231836ce311cd69bc30c8fb966305d

Download Submit
\Program Files (x86)\WinDirStat\Uninstall.exe
Filesize
46KB

MD5
a127e6118b9dd2f9d5a7cc4d697a0105

SHA1
9ac17d4dcf0884ceafacf10c42209c0942dfe7a8

SHA256
afc864cfce79b2a6add491a27ea672d958233ed7a97a2cbbce60100d2fa1e670

SHA512
0e57d2856c02c55d477d9b3cc1d4bf5ffa3650d4b20be18b0a9e614d19143aee325c4cd92ff31bbddf6e93cd3ebeb47d8727de6e25faa366341cc71117122065

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

MD5
24cd9a82fcfc658dd3ae7ba25c958ffb

SHA1
26e14a532e1e050eb20755a0b7a5fea99dd80588

SHA256
cc3ee246f2710dc9ba9e2a88e3192b88f1db4caa2eefb8641642a33df04e585c

SHA512
4de675be1f7d618d133ef24765a027840473e0c5bc93550d5e5fdbf078edc74c2241e6e3cd8753517e2954c7f09b9909028de7b727294d723fb5700658c7979d

Download Submit
\Users\Admin\AppData\Local\Temp\nsi1FC2.tmp\InstallOptions.dll
Filesize
14KB

MD5
9b2ad0546fd834c01a3bdcbfbc95da7d

SHA1
4f92f5a6b269d969ba3340f1c1978d337992a62c

SHA256
7e08cb4ff81dbb0573c672301681e31b2042682e9a2204673f811455f823dd37

SHA512
5b374fe7cc8d6ff8b93cfcc8deae23f2313f8240c998d04d3e65c196b33c7d36a33930ffd481cdd6d30aa4c73dd2a1c6fe43791e9bf10bd71b33321a8e71c6b8

Download Submit
\Users\Admin\AppData\Local\Temp\nsi1FC2.tmp\System.dll
Filesize
10KB

MD5
4125926391466fdbe8a4730f2374b033

SHA1
fdd23034ada72d2537939ac6755d7f7c0e9b3f0e

SHA256
6692bd93bcd04146831652780c1170da79aa3784c3c070d95fb1580e339de6c5

SHA512
32a1cf96842454b3c3641316ee39051ae024bdce9e88ac236eadad531f2c0a08d46b77d525f7d994c9a5af4cc9a391d30ee92b9ec782b7fb9a42c76f0f52a008

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads