115a50eb044d6960c014a1fa26bd7ca954fd9682961778c9201a68a17a26323f

Analysis

max time kernel
131s
max time network
139s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
15-10-2023 11:04

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General

Target

SashPub/config_directory.bat
Size

36B
MD5

741c484f2630b20b75444b40d3e6e124
SHA1

0d88bddece909d606ac6d7321e4676131bf3ee53
SHA256

a374aee2fa0a10c1ed64d23242222e9e29a71525974378a57890cfe41d559064
SHA512

c393fbbedb8e80f5b4ce385e41c21977083030a322ba959f318e04396a1017bd4c80211edf5cdb46bf224b56605254d4bff68883f8ca0fce75c411dadf944e50

Score

4^/10

Malware Config

Signatures

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	\??\c:\windows\installer\{ac76ba86-7ad7-1033-7b44-a90000000001}\pdffile_8.ico	explorer.exe

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Internet Explorer\Toolbar	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Internet Explorer\Toolbar\Locked = "1"	explorer.exe

Modifies registry class 18 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = ffffffff	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 200000001a00eebbfe2300001000d09ad3fd8f23af46adb46c85480369c700000000	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000_Classes\Local Settings	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\NodeSlot = "1"	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f44471a0359723fa74489c55595fe6b30ee0000	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\SniffedFolderType = "Documents"	explorer.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2076	explorer.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2076	explorer.exe
2076	explorer.exe
2076	explorer.exe
2076	explorer.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1940 wrote to memory of 2624	1940	cmd.exe	29
PID 1940 wrote to memory of 2624	1940	cmd.exe	29
PID 1940 wrote to memory of 2624	1940	cmd.exe	29

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\SashPub\config_directory.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:1940
- C:\Windows\explorer.exe
  explorer C:\Users\Admin\AppData\Roaming\Teeworlds
  2⤵
  PID:2624

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2076

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2076-0-0x00000000039B0000-0x00000000039B1000-memory.dmp

Filesize
4KB

Download
memory/2076-1-0x00000000039C0000-0x00000000039D0000-memory.dmp

Filesize
64KB

Download
memory/2076-2-0x00000000039B0000-0x00000000039B1000-memory.dmp

Filesize
4KB

Download