d57d89cac66f8e76308ff9ba02e302b94e5c703b24d09e8eda807ed42c6a00d6

Analysis

max time kernel
147s
max time network
147s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
07/01/2024, 03:50

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General

Target

47f34d6cd488a199589fd5e32cd9afdd.exe
Size

324KB
MD5

47f34d6cd488a199589fd5e32cd9afdd
SHA1

1b2ab080c581502913cad59238eb42619b40fa3a
SHA256

d57d89cac66f8e76308ff9ba02e302b94e5c703b24d09e8eda807ed42c6a00d6
SHA512

0e0c6bc06905ab28b801f86dddfb3ac829a516cb264db5a2462b558fa273adbcf2fb8044d831681162021ce18393d61cd7b0944c4ca7fef52839a1df9cf688e9
SSDEEP

6144:Sls0Mhrt8Xl/UHJYh88HuoiPgMBMhDjbP4qIT1dqUkgu36iD:SlsFdtCl/D83oWaDnDMqUY3hD

Score

8^/10

evasion persistence spyware stealer

Malware Config

Signatures

Disables taskbar notifications via registry modification
evasion

Modifies Installed Components in the registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Active Setup\Installed Components	explorer.exe

Deletes itself 1 IoCs

pid	Process
2532	ksm.exe

Executes dropped EXE 1 IoCs

pid	Process
2532	ksm.exe

Loads dropped DLL 1 IoCs

pid	Process
2976	47f34d6cd488a199589fd5e32cd9afdd.exe

Modifies system executable filetype association 2 TTPs 17 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\exefile\Content Type = "application/x-msdownload"	ksm.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\exefile\shell\open\command	ksm.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\exefile\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Local\\ksm.exe\" -a \"%1\" %*"	ksm.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\exefile\shell\start\command\ = "\"%1\" %*"	ksm.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\exefile\shell\runas	ksm.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\exefile\shell\runas\command	ksm.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\exefile\shell\runas\command\IsolatedCommand = "\"%1\" %*"	ksm.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\exefile\DefaultIcon\ = "%1"	ksm.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\exefile\shell\open	ksm.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\exefile\shell\runas\command\ = "\"%1\" %*"	ksm.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\exefile\shell\start	ksm.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\exefile\shell\start\command	ksm.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\exefile\ = "Application"	ksm.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\exefile\DefaultIcon	ksm.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\exefile\shell	ksm.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\exefile\shell\open\command\IsolatedCommand = "\"%1\" %*"	ksm.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\exefile\shell\start\command\IsolatedCommand = "\"%1\" %*"	ksm.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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\ctfmon.exe = "C:\\WINDOWS\\system32\\ctfmon.exe"	ksm.exe

Modifies registry class 41 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\exefile\ = "Application"	ksm.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\.exe	ksm.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\.exe\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Local\\ksm.exe\" -a \"%1\" %*"	ksm.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\exefile\Content Type = "application/x-msdownload"	ksm.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\exefile\shell\open	ksm.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\exefile\shell\start\command\IsolatedCommand = "\"%1\" %*"	ksm.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\.exe\DefaultIcon	ksm.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\.exe\DefaultIcon\ = "%1"	ksm.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\.exe\shell\open	ksm.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\.exe\shell\runas\command\IsolatedCommand = "\"%1\" %*"	ksm.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\.exe\shell\start\command	ksm.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\.exe\shell\start\command\IsolatedCommand = "\"%1\" %*"	ksm.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\exefile\DefaultIcon	ksm.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\.exe\shell\start	ksm.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\exefile\shell	ksm.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\exefile\shell\open\command\IsolatedCommand = "\"%1\" %*"	ksm.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_Classes\Local Settings	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\exefile	ksm.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\exefile\DefaultIcon\ = "%1"	ksm.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\exefile\shell\runas\command\IsolatedCommand = "\"%1\" %*"	ksm.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\exefile\shell\start\command	ksm.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\exefile\shell\start	ksm.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\.exe\ = "exefile"	ksm.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\.exe\shell	ksm.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\.exe\shell\open\command	ksm.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\.exe\shell\runas\command\ = "\"%1\" %*"	ksm.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\exefile\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Local\\ksm.exe\" -a \"%1\" %*"	ksm.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\exefile\shell\runas\command	ksm.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\exefile\shell\runas\command\ = "\"%1\" %*"	ksm.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\.exe\Content Type = "application/x-msdownload"	ksm.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\.exe\shell\open\command\IsolatedCommand = "\"%1\" %*"	ksm.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\.exe\shell\runas\command	ksm.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\exefile\shell\runas	ksm.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\.exe\shell\runas	ksm.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\.exe\shell\start\command\ = "\"%1\" %*"	ksm.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\exefile\shell\open\command	ksm.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\exefile\shell\start\command\ = "\"%1\" %*"	ksm.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff	explorer.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
2976	47f34d6cd488a199589fd5e32cd9afdd.exe
2976	47f34d6cd488a199589fd5e32cd9afdd.exe
2976	47f34d6cd488a199589fd5e32cd9afdd.exe
2976	47f34d6cd488a199589fd5e32cd9afdd.exe
2976	47f34d6cd488a199589fd5e32cd9afdd.exe
2976	47f34d6cd488a199589fd5e32cd9afdd.exe
2976	47f34d6cd488a199589fd5e32cd9afdd.exe
2976	47f34d6cd488a199589fd5e32cd9afdd.exe
2976	47f34d6cd488a199589fd5e32cd9afdd.exe
2532	ksm.exe
2532	ksm.exe
2532	ksm.exe
2532	ksm.exe
2532	ksm.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2648	explorer.exe

Suspicious use of AdjustPrivilegeToken 17 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2648	explorer.exe
Token: SeShutdownPrivilege	2648	explorer.exe
Token: SeShutdownPrivilege	2648	explorer.exe
Token: SeShutdownPrivilege	2648	explorer.exe
Token: SeShutdownPrivilege	2648	explorer.exe
Token: SeShutdownPrivilege	2648	explorer.exe
Token: SeShutdownPrivilege	2648	explorer.exe
Token: SeShutdownPrivilege	2648	explorer.exe
Token: SeShutdownPrivilege	2648	explorer.exe
Token: SeShutdownPrivilege	2648	explorer.exe
Token: SeShutdownPrivilege	2648	explorer.exe
Token: SeShutdownPrivilege	2648	explorer.exe
Token: SeShutdownPrivilege	2648	explorer.exe
Token: SeShutdownPrivilege	2648	explorer.exe
Token: SeShutdownPrivilege	2648	explorer.exe
Token: SeShutdownPrivilege	2648	explorer.exe
Token: SeShutdownPrivilege	2648	explorer.exe

Suspicious use of FindShellTrayWindow 35 IoCs

pid	Process
2532	ksm.exe
2648	explorer.exe
2648	explorer.exe
2648	explorer.exe
2648	explorer.exe
2648	explorer.exe
2648	explorer.exe
2648	explorer.exe
2648	explorer.exe
2648	explorer.exe
2648	explorer.exe
2648	explorer.exe
2648	explorer.exe
2648	explorer.exe
2648	explorer.exe
2648	explorer.exe
2648	explorer.exe
2648	explorer.exe
2648	explorer.exe
2648	explorer.exe
2648	explorer.exe
2648	explorer.exe
2648	explorer.exe
2648	explorer.exe
2648	explorer.exe
2648	explorer.exe
2648	explorer.exe
2648	explorer.exe
2648	explorer.exe
2532	ksm.exe
2648	explorer.exe
2648	explorer.exe
2532	ksm.exe
2532	ksm.exe
2648	explorer.exe

Suspicious use of SendNotifyMessage 20 IoCs

pid	Process
2648	explorer.exe
2648	explorer.exe
2648	explorer.exe
2648	explorer.exe
2648	explorer.exe
2648	explorer.exe
2648	explorer.exe
2648	explorer.exe
2648	explorer.exe
2648	explorer.exe
2648	explorer.exe
2648	explorer.exe
2648	explorer.exe
2648	explorer.exe
2648	explorer.exe
2648	explorer.exe
2648	explorer.exe
2648	explorer.exe
2532	ksm.exe
2532	ksm.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2976 wrote to memory of 2532	2976	47f34d6cd488a199589fd5e32cd9afdd.exe	28
PID 2976 wrote to memory of 2532	2976	47f34d6cd488a199589fd5e32cd9afdd.exe	28
PID 2976 wrote to memory of 2532	2976	47f34d6cd488a199589fd5e32cd9afdd.exe	28
PID 2976 wrote to memory of 2532	2976	47f34d6cd488a199589fd5e32cd9afdd.exe	28

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\47f34d6cd488a199589fd5e32cd9afdd.exe
"C:\Users\Admin\AppData\Local\Temp\47f34d6cd488a199589fd5e32cd9afdd.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2976
- C:\Users\Admin\AppData\Local\ksm.exe
  "C:\Users\Admin\AppData\Local\ksm.exe" -gav C:\Users\Admin\AppData\Local\Temp\47f34d6cd488a199589fd5e32cd9afdd.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system executable filetype association
  - Adds Run key to start application
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  PID:2532

C:\Windows\explorer.exe
explorer.exe
1⤵
- Modifies Installed Components in the registry
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:2648

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

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\ksm.exe

Filesize
324KB

MD5
47f34d6cd488a199589fd5e32cd9afdd

SHA1
1b2ab080c581502913cad59238eb42619b40fa3a

SHA256
d57d89cac66f8e76308ff9ba02e302b94e5c703b24d09e8eda807ed42c6a00d6

SHA512
0e0c6bc06905ab28b801f86dddfb3ac829a516cb264db5a2462b558fa273adbcf2fb8044d831681162021ce18393d61cd7b0944c4ca7fef52839a1df9cf688e9

Download Submit
\Users\Admin\AppData\Local\ksm.exe

Filesize
69KB

MD5
431bb79edb113cee9f265cfaa60ef1c5

SHA1
ee445f6fdc59cd4eadc4c4a42bc460c47cb58d59

SHA256
4dab070afcd960c150ffe58b08dc7a67ebfb37007200117df45deb032a7f3e5d

SHA512
1e39be1b822fd91408d279052787287a53b050a2359b750fe3653a26831c147a45fee1109b5d47029105db1e877ba31afef73ef97f8ae2c20c08a903066adc72

Download Submit
memory/2532-26-0x0000000000400000-0x00000000005F5000-memory.dmp

Filesize
2.0MB

Download
memory/2532-19-0x0000000000400000-0x00000000005F5000-memory.dmp

Filesize
2.0MB

Download
memory/2532-32-0x0000000000400000-0x00000000005F5000-memory.dmp

Filesize
2.0MB

Download
memory/2532-31-0x0000000000400000-0x00000000005F5000-memory.dmp

Filesize
2.0MB

Download
memory/2532-29-0x0000000000400000-0x00000000005F5000-memory.dmp

Filesize
2.0MB

Download
memory/2532-11-0x0000000000400000-0x00000000005F5000-memory.dmp

Filesize
2.0MB

Download
memory/2532-17-0x0000000000400000-0x00000000005F5000-memory.dmp

Filesize
2.0MB

Download
memory/2532-25-0x0000000000400000-0x00000000005F5000-memory.dmp

Filesize
2.0MB

Download
memory/2532-18-0x0000000000400000-0x00000000005F5000-memory.dmp

Filesize
2.0MB

Download
memory/2532-28-0x0000000000400000-0x00000000005F5000-memory.dmp

Filesize
2.0MB

Download
memory/2532-27-0x0000000000400000-0x00000000005F5000-memory.dmp

Filesize
2.0MB

Download
memory/2532-14-0x0000000000400000-0x00000000005F5000-memory.dmp

Filesize
2.0MB

Download
memory/2532-13-0x0000000000400000-0x00000000005F5000-memory.dmp

Filesize
2.0MB

Download
memory/2532-20-0x0000000000400000-0x00000000005F5000-memory.dmp

Filesize
2.0MB

Download
memory/2532-24-0x0000000000400000-0x00000000005F5000-memory.dmp

Filesize
2.0MB

Download
memory/2648-12-0x0000000004470000-0x0000000004471000-memory.dmp

Filesize
4KB

Download
memory/2648-16-0x0000000004470000-0x0000000004471000-memory.dmp

Filesize
4KB

Download
memory/2648-30-0x0000000002F10000-0x0000000002F20000-memory.dmp

Filesize
64KB

Download
memory/2976-0-0x0000000000400000-0x00000000005F5000-memory.dmp

Filesize
2.0MB

Download
memory/2976-4-0x0000000002060000-0x0000000002317000-memory.dmp

Filesize
2.7MB

Download
memory/2976-9-0x0000000000400000-0x00000000005F5000-memory.dmp

Filesize
2.0MB

Download
memory/2976-1-0x0000000000250000-0x000000000025B000-memory.dmp

Filesize
44KB

Download
memory/2976-3-0x0000000000400000-0x00000000005F5000-memory.dmp

Filesize
2.0MB

Download