da437cbf9bd975a8916654aca547e35bbf88df60fb18c57db07401efb33420c9

Analysis

max time kernel
53s
max time network
55s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
28-11-2024 06:06

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Reason

Machine shutdown

Report Analysis Logs

General

Target

$PLUGINSDIR/UXTheme Patcher.exe
Size

155KB
MD5

3156c1dfc05cb509aad5cc94a77511ee
SHA1

e9be935ea42141277d618e02f49fb77df56d7279
SHA256

602fa4344d7fdb830e6c0f8b1f94c38fae71adf75a194bd6e86028d849677744
SHA512

e043ce7e2a84d960632abd9abc56baa8b749cb75951ad655620c660583a9dbcadf0b8d73f5ea83a505cedd41a5ce2ffe760375836844fac2ec85d3d1897a07d0
SSDEEP

3072:WQIURTXJ6stVm12xqQzIQsAYG33xb6nCaPpVti4pfUtcT1Gt+4:WsdtEgxn2ngxb6nCaPpVtiCcMI3

Score

8^/10

defense_evasion discovery exploit upx

Malware Config

Signatures

Possible privilege escalation attempt 6 IoCs

exploit

Processes:

takeown.exeicacls.exetakeown.exeicacls.exetakeown.exeicacls.exe

pid	Process
444	takeown.exe
1476	icacls.exe
2792	takeown.exe
2732	icacls.exe
2296	takeown.exe
2396	icacls.exe

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

Processes:

resource	yara_rule
behavioral15/files/0x0003000000021098-16.dat	acprotect

Loads dropped DLL 64 IoCs

Processes:

UXTheme Patcher.exe

pid	Process
2384	UXTheme Patcher.exe
2384	UXTheme Patcher.exe
2384	UXTheme Patcher.exe
2384	UXTheme Patcher.exe
2384	UXTheme Patcher.exe
2384	UXTheme Patcher.exe
2384	UXTheme Patcher.exe
2384	UXTheme Patcher.exe
2384	UXTheme Patcher.exe
2384	UXTheme Patcher.exe
2384	UXTheme Patcher.exe
2384	UXTheme Patcher.exe
2384	UXTheme Patcher.exe
2384	UXTheme Patcher.exe
2384	UXTheme Patcher.exe
2384	UXTheme Patcher.exe
2384	UXTheme Patcher.exe
2384	UXTheme Patcher.exe
2384	UXTheme Patcher.exe
2384	UXTheme Patcher.exe
2384	UXTheme Patcher.exe
2384	UXTheme Patcher.exe
2384	UXTheme Patcher.exe
2384	UXTheme Patcher.exe
2384	UXTheme Patcher.exe
2384	UXTheme Patcher.exe
2384	UXTheme Patcher.exe
2384	UXTheme Patcher.exe
2384	UXTheme Patcher.exe
2384	UXTheme Patcher.exe
2384	UXTheme Patcher.exe
2384	UXTheme Patcher.exe
2384	UXTheme Patcher.exe
2384	UXTheme Patcher.exe
2384	UXTheme Patcher.exe
2384	UXTheme Patcher.exe
2384	UXTheme Patcher.exe
2384	UXTheme Patcher.exe
2384	UXTheme Patcher.exe
2384	UXTheme Patcher.exe
2384	UXTheme Patcher.exe
2384	UXTheme Patcher.exe
2384	UXTheme Patcher.exe
2384	UXTheme Patcher.exe
2384	UXTheme Patcher.exe
2384	UXTheme Patcher.exe
2384	UXTheme Patcher.exe
2384	UXTheme Patcher.exe
2384	UXTheme Patcher.exe
2384	UXTheme Patcher.exe
2384	UXTheme Patcher.exe
2384	UXTheme Patcher.exe
2384	UXTheme Patcher.exe
2384	UXTheme Patcher.exe
2384	UXTheme Patcher.exe
2384	UXTheme Patcher.exe
2384	UXTheme Patcher.exe
2384	UXTheme Patcher.exe
2384	UXTheme Patcher.exe
2384	UXTheme Patcher.exe
2384	UXTheme Patcher.exe
2384	UXTheme Patcher.exe
2384	UXTheme Patcher.exe
2384	UXTheme Patcher.exe

Modifies file permissions 1 TTPs 6 IoCs

discovery

File and Directory Permissions Modification

T1222

Processes:

icacls.exetakeown.exeicacls.exetakeown.exeicacls.exetakeown.exe

pid	Process
1476	icacls.exe
2792	takeown.exe
2732	icacls.exe
2296	takeown.exe
2396	icacls.exe
444	takeown.exe

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
File and Directory Permissions Modification: Windows File and Directory Permissions Modification 1 TTPs
defense_evasion

Windows File and Directory Permissions Modification
T1222.001

Drops file in System32 directory 12 IoCs

Processes:

UXTheme Patcher.exe

description	ioc	Process
File created	C:\Windows\System32\uxtheme.dll.backup	UXTheme Patcher.exe
File created	C:\Windows\System32\themeui.dll.backup	UXTheme Patcher.exe
File created	C:\Windows\System32\themeui.dll.new	UXTheme Patcher.exe
File opened for modification	C:\Windows\system32\themeui.dll.new	UXTheme Patcher.exe
File opened for modification	C:\Windows\system32\themeui.dll.old	UXTheme Patcher.exe
File created	C:\Windows\System32\themeservice.dll.new	UXTheme Patcher.exe
File created	C:\Windows\System32\uxtheme.dll.new	UXTheme Patcher.exe
File opened for modification	C:\Windows\system32\uxtheme.dll.new	UXTheme Patcher.exe
File opened for modification	C:\Windows\system32\uxtheme.dll.old	UXTheme Patcher.exe
File created	C:\Windows\System32\themeservice.dll.backup	UXTheme Patcher.exe
File opened for modification	C:\Windows\system32\themeservice.dll.new	UXTheme Patcher.exe
File opened for modification	C:\Windows\system32\themeservice.dll.old	UXTheme Patcher.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral15/files/0x0003000000021098-16.dat	upx
behavioral15/memory/2384-18-0x00000000746B0000-0x00000000746BA000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

Processes:

UXTheme Patcher.exe

description	ioc	Process
File created	C:\Program Files (x86)\UltraUXThemePatcher\Uninstall.exe	UXTheme Patcher.exe

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 1 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:

UXTheme Patcher.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	UXTheme Patcher.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

takeown.exetakeown.exetakeown.exeUXTheme Patcher.exe

description	pid	Process
Token: SeTakeOwnershipPrivilege	444	takeown.exe
Token: SeTakeOwnershipPrivilege	2792	takeown.exe
Token: SeTakeOwnershipPrivilege	2296	takeown.exe
Token: SeShutdownPrivilege	2384	UXTheme Patcher.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

UXTheme Patcher.exe

description	pid	Process	procid_target
PID 2384 wrote to memory of 444	2384	UXTheme Patcher.exe	31
PID 2384 wrote to memory of 444	2384	UXTheme Patcher.exe	31
PID 2384 wrote to memory of 444	2384	UXTheme Patcher.exe	31
PID 2384 wrote to memory of 444	2384	UXTheme Patcher.exe	31
PID 2384 wrote to memory of 1476	2384	UXTheme Patcher.exe	33
PID 2384 wrote to memory of 1476	2384	UXTheme Patcher.exe	33
PID 2384 wrote to memory of 1476	2384	UXTheme Patcher.exe	33
PID 2384 wrote to memory of 1476	2384	UXTheme Patcher.exe	33
PID 2384 wrote to memory of 2792	2384	UXTheme Patcher.exe	35
PID 2384 wrote to memory of 2792	2384	UXTheme Patcher.exe	35
PID 2384 wrote to memory of 2792	2384	UXTheme Patcher.exe	35
PID 2384 wrote to memory of 2792	2384	UXTheme Patcher.exe	35
PID 2384 wrote to memory of 2732	2384	UXTheme Patcher.exe	37
PID 2384 wrote to memory of 2732	2384	UXTheme Patcher.exe	37
PID 2384 wrote to memory of 2732	2384	UXTheme Patcher.exe	37
PID 2384 wrote to memory of 2732	2384	UXTheme Patcher.exe	37
PID 2384 wrote to memory of 2296	2384	UXTheme Patcher.exe	39
PID 2384 wrote to memory of 2296	2384	UXTheme Patcher.exe	39
PID 2384 wrote to memory of 2296	2384	UXTheme Patcher.exe	39
PID 2384 wrote to memory of 2296	2384	UXTheme Patcher.exe	39
PID 2384 wrote to memory of 2396	2384	UXTheme Patcher.exe	41
PID 2384 wrote to memory of 2396	2384	UXTheme Patcher.exe	41
PID 2384 wrote to memory of 2396	2384	UXTheme Patcher.exe	41
PID 2384 wrote to memory of 2396	2384	UXTheme Patcher.exe	41

C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UXTheme Patcher.exe
"C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UXTheme Patcher.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2384
- C:\Windows\system32\takeown.exe
  "C:\Windows\system32\takeown.exe" /f "C:\Windows\system32\uxtheme.dll"
  2⤵
  - Possible privilege escalation attempt
  - Modifies file permissions
  - Suspicious use of AdjustPrivilegeToken
  PID:444
- C:\Windows\system32\icacls.exe
  "C:\Windows\system32\icacls.exe" "C:\Windows\system32\uxtheme.dll" /grant Admin:f
  2⤵
  - Possible privilege escalation attempt
  - Modifies file permissions
  PID:1476
- C:\Windows\system32\takeown.exe
  "C:\Windows\system32\takeown.exe" /f "C:\Windows\system32\themeui.dll"
  2⤵
  - Possible privilege escalation attempt
  - Modifies file permissions
  - Suspicious use of AdjustPrivilegeToken
  PID:2792
- C:\Windows\system32\icacls.exe
  "C:\Windows\system32\icacls.exe" "C:\Windows\system32\themeui.dll" /grant Admin:f
  2⤵
  - Possible privilege escalation attempt
  - Modifies file permissions
  PID:2732
- C:\Windows\system32\takeown.exe
  "C:\Windows\system32\takeown.exe" /f "C:\Windows\system32\themeservice.dll"
  2⤵
  - Possible privilege escalation attempt
  - Modifies file permissions
  - Suspicious use of AdjustPrivilegeToken
  PID:2296
- C:\Windows\system32\icacls.exe
  "C:\Windows\system32\icacls.exe" "C:\Windows\system32\themeservice.dll" /grant Admin:f
  2⤵
  - Possible privilege escalation attempt
  - Modifies file permissions
  PID:2396

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x0
1⤵
PID:1916

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x1
1⤵
PID:2996

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

T1222

Windows File and Directory Permissions Modification

T1222.001

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\nstA4D9.tmp\modern-wizard.bmp

Filesize
201KB

MD5
5f728e4e6b970db76c64be8ca3cafc87

SHA1
b7481efd9f6938903214451d792a8b13a645c922

SHA256
aea40659bdb08337064640ea8b4f171881d37456b37b3e2899349ac04f0889c5

SHA512
2cc4e870290f8faddc8eca1a03a1efb34711b3951e263a79f259fd998a9a1f957dbf58c110c5fe64febd414ec7a22e125353f9d5c363866bd0d4298452fdadc8

Download Submit
C:\Windows\System32\themeservice.dll.new

Filesize
43KB

MD5
bf69cdedb4f36015e43dc8117134f058

SHA1
717b59942919209a01dc88218bb9e28517ff63c5

SHA256
b9737b8b11687bc241e150a1a9eceee0fa979dd4ab30c01e335f970564f0c3c7

SHA512
2cfce2abcd9806275f44ad2df6f5259a9e02e88802e7c4359665ae415dfa88d478447eea80d81c12f130c544c8a8a71a2706d95ce4cccf5e5d0180b464a3629c

Download Submit
C:\Windows\System32\themeui.dll.new

Filesize
2.7MB

MD5
274c75ff99e6bc973232dfb4d450cdcd

SHA1
e000812516d3d60d6fcf340f34d13f51e4d23912

SHA256
35415d2a7d97ac2fd9ccfe28a93c3aff0f4fa9d83636699b4d89139dc9d23f34

SHA512
f1e922c74725e29f980a63c369c86f8d56e91e7f83652830633941f918777207ec2941ba91fe2a3e259851f45d92defde538f31324788aba4cce051247a674a2

Download Submit
C:\Windows\System32\uxtheme.dll.new

Filesize
324KB

MD5
2e08363a75712e753f4d5b3b34531584

SHA1
323190cd2c21152df3dedfee1ca701f11e355a01

SHA256
66fd0a342d0c56f2d73edc7ee4c0f7dc3c8ab3ab77be1a8f5083f6984f4be754

SHA512
b8c00275a61236de4145007f7301dff452300ba3d7807684ac226ab2a61e3712223f31c6f431346a5e452ddd5585aa867d2e2b6b1b7c147b24ce110ca6615dc3

Download Submit
\Users\Admin\AppData\Local\Temp\nstA4D9.tmp\Aero.dll

Filesize
6KB

MD5
243bf44688b131c3171f2827a93e39dc

SHA1
07e9c7bd16ae47953e42c06ae2606de188386f35

SHA256
04a577df50431eb0ff6fb103566402bf66c50415bcc1f8a86b9c235053131455

SHA512
a1a8c21d38c54a43d1c6c394f481dfbddcb359c617e9928ecca8f84d47354616a78d20735a1fe7bebd21626c21cf96d0e1a69e3e98f6b35f2a774cc0244f9516

Download Submit
\Users\Admin\AppData\Local\Temp\nstA4D9.tmp\GetVersion.dll

Filesize
9KB

MD5
225f776172f1baccd2721a6e5d512b36

SHA1
2dbbc86f7b0285682880a627b56a75de09f4bed6

SHA256
ecfcbe30f5b248673f9cbebb734b9981ed14b06380ea787c563d67b30e2d069e

SHA512
4b99a5ac68122501a5913cf54bd3ae99d851d57656b0e136980122739cceef739fa2d5ea097f2442068b9489a4c25ea0884653c41d85f27f25996792bf6c21bb

Download Submit
\Users\Admin\AppData\Local\Temp\nstA4D9.tmp\System.dll

Filesize
11KB

MD5
c17103ae9072a06da581dec998343fc1

SHA1
b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

SHA256
dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

SHA512
d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

Download Submit
\Users\Admin\AppData\Local\Temp\nstA4D9.tmp\nsDialogs.dll

Filesize
9KB

MD5
c10e04dd4ad4277d5adc951bb331c777

SHA1
b1e30808198a3ae6d6d1cca62df8893dc2a7ad43

SHA256
e31ad6c6e82e603378cb6b80e67d0e0dcd9cf384e1199ac5a65cb4935680021a

SHA512
853a5564bf751d40484ea482444c6958457cb4a17fb973cf870f03f201b8b2643be41bccde00f6b2026dc0c3d113e6481b0dc4c7b0f3ae7966d38c92c6b5862e

Download Submit
\Users\Admin\AppData\Local\Temp\nstA4D9.tmp\nsisFile.dll

Filesize
5KB

MD5
a35adabef191a1d5870096543ffc18ec

SHA1
76a77d50b8f0be5a77fdb7b71a661a356ead1b7f

SHA256
bb5be80416d8e381fbcb0f03ea3433d94a75786e3842e8cfe1b7b8bd57354457

SHA512
97eb8186abc0ae5a6c1858b78042c41fa377dea33ea0bae3c6957b7a22486ba0f1e0a4a43d817627bbba85d5de786c82e05d7505dc7df62bff51439fd0f8401c

Download Submit
memory/2384-18-0x00000000746B0000-0x00000000746BA000-memory.dmp

Filesize
40KB

Download
memory/2384-25078-0x00000000746B0000-0x00000000746B9000-memory.dmp

Filesize
36KB

Download

Analysis

Sharing

Errors

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads