038b53fd1910eb848172c12c50d17bc052330e8cfa8f910e1e7a309c8956c577

Analysis

max time kernel
127s
max time network
129s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
11/09/2024, 18:13

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General

Target

038b53fd1910eb848172c12c50d17bc052330e8cfa8f910e1e7a309c8956c577.exe
Size

428KB
MD5

488109113faa261fcad6852978d861cd
SHA1

0fbe869a1f7807df979d312345b26d79216397e7
SHA256

038b53fd1910eb848172c12c50d17bc052330e8cfa8f910e1e7a309c8956c577
SHA512

cf2b5c5228973c588ed2cad9e82ac6f3a614901ab6e7792dd1d945923ef6a5d014075e7e48326a81e115d3ffc4344640db0b3ffb224bad331e589a8feee5174b
SSDEEP

6144:GjYKlAhUBVB3pQOEhdjEh6s03EM9TyPAJoeKjFwEuei8i/nW0x/N5UXnyNpmMbvy:GjYRm7QOmdjNhlye6q/W0x/N59bbXM

Score

7^/10

discovery persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
1360	zdimlKiT3Xwm9Gi.exe
2916	CTS.exe
60	setup-stub.exe

Loads dropped DLL 7 IoCs

pid	Process
60	setup-stub.exe
60	setup-stub.exe
60	setup-stub.exe
60	setup-stub.exe
60	setup-stub.exe
60	setup-stub.exe
60	setup-stub.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

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000900000002369d-6.dat	upx
behavioral2/memory/1360-4-0x0000000000400000-0x0000000000446000-memory.dmp	upx
behavioral2/memory/1360-93-0x0000000000400000-0x0000000000446000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	038b53fd1910eb848172c12c50d17bc052330e8cfa8f910e1e7a309c8956c577.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	CTS.exe

Drops file in Program Files directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Mozilla Firefox\nsr6E67.tmp	setup-stub.exe
File opened for modification	C:\Program Files\Mozilla Firefox\nsr6E68.tmp	setup-stub.exe
File opened for modification	C:\Program Files\Mozilla Firefox\nsr6E67.tmp\	setup-stub.exe
File opened for modification	C:\Program Files\Mozilla Firefox\nsr6E69.tmp	setup-stub.exe
File opened for modification	C:\Program Files\Mozilla Firefox\nsr6E6A.tmp	setup-stub.exe
File opened for modification	C:\Program Files\Mozilla Firefox\nsr6E69.tmp\	setup-stub.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	CTS.exe
File created	C:\Windows\CTS.exe	038b53fd1910eb848172c12c50d17bc052330e8cfa8f910e1e7a309c8956c577.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5084	60	WerFault.exe	92

System Location Discovery: System Language Discovery 1 TTPs 4 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	038b53fd1910eb848172c12c50d17bc052330e8cfa8f910e1e7a309c8956c577.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	zdimlKiT3Xwm9Gi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CTS.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	setup-stub.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2032	038b53fd1910eb848172c12c50d17bc052330e8cfa8f910e1e7a309c8956c577.exe
Token: SeDebugPrivilege	2916	CTS.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
60	setup-stub.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
60	setup-stub.exe
60	setup-stub.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2032 wrote to memory of 1360	2032	038b53fd1910eb848172c12c50d17bc052330e8cfa8f910e1e7a309c8956c577.exe	90
PID 2032 wrote to memory of 1360	2032	038b53fd1910eb848172c12c50d17bc052330e8cfa8f910e1e7a309c8956c577.exe	90
PID 2032 wrote to memory of 1360	2032	038b53fd1910eb848172c12c50d17bc052330e8cfa8f910e1e7a309c8956c577.exe	90
PID 2032 wrote to memory of 2916	2032	038b53fd1910eb848172c12c50d17bc052330e8cfa8f910e1e7a309c8956c577.exe	91
PID 2032 wrote to memory of 2916	2032	038b53fd1910eb848172c12c50d17bc052330e8cfa8f910e1e7a309c8956c577.exe	91
PID 2032 wrote to memory of 2916	2032	038b53fd1910eb848172c12c50d17bc052330e8cfa8f910e1e7a309c8956c577.exe	91
PID 1360 wrote to memory of 60	1360	zdimlKiT3Xwm9Gi.exe	92
PID 1360 wrote to memory of 60	1360	zdimlKiT3Xwm9Gi.exe	92
PID 1360 wrote to memory of 60	1360	zdimlKiT3Xwm9Gi.exe	92

C:\Users\Admin\AppData\Local\Temp\038b53fd1910eb848172c12c50d17bc052330e8cfa8f910e1e7a309c8956c577.exe
"C:\Users\Admin\AppData\Local\Temp\038b53fd1910eb848172c12c50d17bc052330e8cfa8f910e1e7a309c8956c577.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2032
- C:\Users\Admin\AppData\Local\Temp\zdimlKiT3Xwm9Gi.exe
  C:\Users\Admin\AppData\Local\Temp\zdimlKiT3Xwm9Gi.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1360
- - C:\Users\Admin\AppData\Local\Temp\7zS0556BE28\setup-stub.exe
    .\setup-stub.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Drops file in Program Files directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SetWindowsHookEx
    PID:60
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 60 -s 2640
      4⤵
      Program crash
      PID:5084
- C:\Windows\CTS.exe
  "C:\Windows\CTS.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2916

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=2152,i,3387628439405076340,17957358341235678872,262144 --variations-seed-version --mojo-platform-channel-handle=4272 /prefetch:8
1⤵
PID:2264

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 60 -ip 60
1⤵
PID:1372

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

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

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml

Filesize
409KB

MD5
fe6017fac2382d3f63972315be0b4f86

SHA1
7239d4403f6b4bbafbac0615344870494e3b98c0

SHA256
74f2d942d9a04b1d17a186986a5f858c0682771da5c2ab49b4218e8c21fa98ba

SHA512
08627032a707eb3ac8fe64721ad4847ebb8f72e32aa49fd6db5fd9da88a59a98b3fc3370a38a4ce0593621bd197b1f0c474a15cae3b91c090c7567b38e3fc35f

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS0556BE28\setup-stub.exe

Filesize
551KB

MD5
5e056e6cda3970d7683ca9fc79a463ff

SHA1
7feee6d8c3f28b818ba58d9c2c97521e128d15b6

SHA256
45fabe4b7336d0356b02a765fbc590b3f1b3b2ae15d4562fba00a766b4e483c1

SHA512
78fa522ca94e643233b4adb7296a4bb1a1af8b486ba024f5ed8d7c5780a0285be69e418b9f7a303579a6e62e3dbd9a597b81b56539314fd64431320cb71d772a

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsr6E18.tmp\CityHash.dll

Filesize
53KB

MD5
2021acc65fa998daa98131e20c4605be

SHA1
2e8407cfe3b1a9d839ea391cfc423e8df8d8a390

SHA256
c299a0a71bf57eb241868158b4fcfe839d15d5ba607e1bdc5499fdf67b334a14

SHA512
cb96d3547bab778cbe94076be6765ed2ae07e183e4888d6c380f240b8c6708662a3b2b6b2294e38c48bc91bf2cc5fc7cfcd3afe63775151ba2fe34b06ce38948

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsr6E18.tmp\InetBgDL.dll

Filesize
17KB

MD5
97c607f5d0add72295f8d0f27b448037

SHA1
dfb9a1aa1d3b1f7821152afaac149cad38c8ce3c

SHA256
dc98ed352476af459c91100b8c29073988da19d3adc73e2c2086d25f238544a5

SHA512
ad759062152869089558389c741876029198c5b98fa725e2d2927866dc8b416ae2de871cb2479f614f6d29b6f646bf7191d02837c3cabc15b8185b563bc46268

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsr6E18.tmp\System.dll

Filesize
22KB

MD5
b361682fa5e6a1906e754cfa08aa8d90

SHA1
c6701aee0c866565de1b7c1f81fd88da56b395d3

SHA256
b711c4f17690421c9dc8ddb9ed5a9ddc539b3a28f11e19c851e25dcfc7701c04

SHA512
2778f91c9bcf83277d26c71118a1ccb0fb3ce50e89729f14f4915bc65dd48503a77b1e5118ce774dea72f5ce3cc8681eb9ca3c55cf90e9f61a177101ba192ae9

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsr6E18.tmp\UAC.dll

Filesize
28KB

MD5
d23b256e9c12fe37d984bae5017c5f8c

SHA1
fd698b58a563816b2260bbc50d7f864b33523121

SHA256
ec6a56d981892bf251df1439bea425a5f6c7e1c7312d44bedd5e2957f270338c

SHA512
13f284821324ffaeadafd3651f64d896186f47cf9a68735642cf37b37de777dba197067fbccd3a7411b5dc7976e510439253bd24c9be1d36c0a59d924c17ae8e

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsr6E18.tmp\UserInfo.dll

Filesize
14KB

MD5
610ad03dec634768cd91c7ed79672d67

SHA1
dc8099d476e2b324c09db95059ec5fd3febe1e1e

SHA256
c6c413108539f141bea3f679e0e2ef705898c51ec7c2607f478a865fc5e2e2df

SHA512
18c3c92be81aadfa73884fe3bdf1fce96ccfbd35057600ef52788a871de293b64f677351ba2885c6e9ce5c3890c22471c92832ffc13ba544e9d0b347c5d33bfd

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsr6E18.tmp\WebBrowser.dll

Filesize
103KB

MD5
b53cd4ad8562a11f3f7c7890a09df27a

SHA1
db66b94670d47c7ee436c2a5481110ed4f013a48

SHA256
281a0dc8b4f644334c2283897963b20df88fa9fd32acca98ed2856b23318e6ec

SHA512
bb45d93ed13df24a2056040c219cdf36ee44c8cddb7e178fdaabcec63ac965e07f679ca1fa42591bba571992af619aa1dc76e819a7901709df79598a2b0cef81

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsr6E18.tmp\installing.html

Filesize
1KB

MD5
32de55f44c497811dd7ed7f227f5c28d

SHA1
c111be08e7f3d268e7a2ed160d0c30833f25ae4a

SHA256
6259f3a41a703f13466503e6fbd37ca40e94f565a2f4b4087fbcd87a13bf3ee1

SHA512
48bb6f24b3ee2f4b7052205a3843ea34f917ee192b70261d2438c037b0e17d48bce8beb4c31be4141e9618922a45b6b47745b797e5618f18fe00bfc1625309ef

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsr6E18.tmp\installing.js

Filesize
2KB

MD5
dfa7861bca754036ab853b3bb02b194d

SHA1
46d7c5ba614b39caa4857fcba4bdedbabb2c67c0

SHA256
2c286b6eefd38f032a385f3ac6a1f794deab3bac0fbff71bd0ba21453f477878

SHA512
c58d96fb2496a84261a5e4b18cf4156a30f9ad161bbabc3652b6b5c24976f1ac432dced31927a9443260cdca0292524d1f691766b7c0731f926d37be11fe0c64

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsr6E18.tmp\stub_common.js

Filesize
817B

MD5
58b8ac894c64370cfa137f5848aeb88d

SHA1
6a1ac1f88a918a232b79fe798b2de69cf433945f

SHA256
0e28aa770b0afade30be85c6dc1e50344db8f8cdd3fa01989d81a9e20a4990bd

SHA512
ae309518e0f926021e4d9378950c1a375263247d4f79d8a8cc09464cd01653ae5e707d52a4b0c36d532e649c246f4be6b5ba8648f58fb0e3e40c495ae63180ab

Download Submit
C:\Users\Admin\AppData\Local\Temp\zdimlKiT3Xwm9Gi.exe

Filesize
341KB

MD5
63aa3f6d8c2089b250b43df51b61ff96

SHA1
0c96c07ee255b7bc0c2c1b84ad668fc85ca6e8cd

SHA256
8d0e6a04a748452823319990a2917abd39ca9af478f0a834242492a3fee4299f

SHA512
b2d5888d0550f882c95448a7ebea583d6c5695b3fb37fbddeb49fc56253c63b148c1b1e18038b38d67f1fad24b013a7e2b22e4699c4ba628610baf4730bdb06f

Download Submit
C:\Windows\CTS.exe

Filesize
86KB

MD5
0f736d30fbdaebed364c4cd9f084e500

SHA1
d7e96b736463af4b3edacd5cc5525cb70c593334

SHA256
431b7f30b7f8d520f69066b03b8dccbb35a6cb40a53c5e2320c6b5acf96b2e34

SHA512
570a2f76d653414fedc12ed486f2bf0333dc860f52d70faa895d6b9951ac185317637d7b076e05c932f4c536259e19a952a716e9516d506d2a19de73c50f2566

Download Submit
memory/1360-4-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/1360-93-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads