6b9f7e8216e4a3904f7c9543d61b5f7294661b13674bd3c79f2b510a902025ce

General

Target
aad57b6c1fece74f615c79cc76661c87.exe
Size 1.2MB
Sample231219-1md24saecm
SHA256 6b9f7e8216e4a3904f7c9543d61b5f7294661b13674bd3c79f2b510a902025ce
MD5 aad57b6c1fece74f615c79cc76661c87
SHA1 d5a1e3f0d452973a5d15a447c24f49359433ddbb
SHA512 b2cfacf7d828092f1b9ef54a89923f1cdac6657513113694a4ffc4a5106776655ea32393730144630dabaaefd758d47a4b784bfe48760c3b94f602f37cb07077
SSDEEP 24576:D/VgYY3QUO8MrAv/sofIb1ecQXv5TosikH7sxc4ES5N63TF1cbprK:jOT3Q1/A8owb1KvS+HQx5ESi3TF18M
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

vmprotect

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\Control Panel\International\Geo\Nation	aad57b6c1fece74f615c79cc76661c87.exe

Executes dropped EXE 2 IoCs

pid	Process
1456	SftpSvc.exe
2288	SftpSvc.exe

VMProtect packed file 3 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

resource	yara_rule
behavioral2/memory/2036-0-0x0000000000E10000-0x00000000010B5000-memory.dmp	vmprotect
behavioral2/memory/2036-1-0x0000000000E10000-0x00000000010B5000-memory.dmp	vmprotect
behavioral2/memory/2036-17-0x0000000000E10000-0x00000000010B5000-memory.dmp	vmprotect

Drops file in System32 directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5	SftpSvc.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	SftpSvc.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	SftpSvc.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	SftpSvc.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE\win32k[1].htm	SftpSvc.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2036	aad57b6c1fece74f615c79cc76661c87.exe

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

System Information Discovery
T1082

Modifies data under HKEY_USERS 8 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	SftpSvc.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	SftpSvc.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	SftpSvc.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	SftpSvc.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	SftpSvc.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	SftpSvc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	SftpSvc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	SftpSvc.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
2036	aad57b6c1fece74f615c79cc76661c87.exe
2036	aad57b6c1fece74f615c79cc76661c87.exe
2036	aad57b6c1fece74f615c79cc76661c87.exe
2036	aad57b6c1fece74f615c79cc76661c87.exe
2288	SftpSvc.exe
2288	SftpSvc.exe
2288	SftpSvc.exe
2288	SftpSvc.exe
2288	SftpSvc.exe
2288	SftpSvc.exe
2288	SftpSvc.exe
2288	SftpSvc.exe
2288	SftpSvc.exe
2288	SftpSvc.exe
2288	SftpSvc.exe
2288	SftpSvc.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2288	SftpSvc.exe
Token: SeDebugPrivilege	2288	SftpSvc.exe
Token: SeDebugPrivilege	2288	SftpSvc.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2036 wrote to memory of 1456	2036	aad57b6c1fece74f615c79cc76661c87.exe	91
PID 2036 wrote to memory of 1456	2036	aad57b6c1fece74f615c79cc76661c87.exe	91
PID 2036 wrote to memory of 1456	2036	aad57b6c1fece74f615c79cc76661c87.exe	91
PID 2036 wrote to memory of 3556	2036	aad57b6c1fece74f615c79cc76661c87.exe	95
PID 2036 wrote to memory of 3556	2036	aad57b6c1fece74f615c79cc76661c87.exe	95
PID 2036 wrote to memory of 3556	2036	aad57b6c1fece74f615c79cc76661c87.exe	95

C:\Users\Admin\AppData\Local\Temp\aad57b6c1fece74f615c79cc76661c87.exe
"C:\Users\Admin\AppData\Local\Temp\aad57b6c1fece74f615c79cc76661c87.exe"
1⤵
- Checks computer location settings
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2036
- C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\SftpSvc.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\SftpSvc.exe" -i
  2⤵
  - Executes dropped EXE
  PID:1456
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\_uninsep.bat" "
  2⤵
  PID:3556

C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\SftpSvc.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\SftpSvc.exe"
1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2288

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

_uninsep.bat

Path C:\Users\Admin\AppData\Local\Temp\_uninsep.bat
Size 277B
SHA256 ddb9576a6bc7bae1b7123ad0588a93d348fafad2fd53336a0724f70f59d0c020
MD5 98270681cbaa200db31c7430d90884d0
SHA1 11371b71fc9b5223c054c1805f5e376bb6629899
SHA512 112039d2f4b99cd320d96539297db8e674fa77a1c7220ddc13409833773dda91a9e7b5ee65e2be80ad3a66b18ad63509c92073f66ce1ba0b6d60261198ce5488
MD5 SHA1 SHA512

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SftpSvc.exe

Path C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\SftpSvc.exe
Size 40KB
SHA256 cfd328936e0aa63d4474ba9db4f1877f0500081f6e6efc51f293e7cf6eee5b36
MD5 cd5e2c470d25c8ef11f3866910ebaeb5
SHA1 7fe41e51b9eb95654fe9b6efb74fda11dd5ae72e
SHA512 fd5825a753e8020f8d3fc5b01510a32390d495f02fbfce8ef32cea17a9b2f0f2c127f9276554c5a3cd6e194328b2365c62e6ba4d7ec90b1355aa0f0723e5afb9
SSDEEP 384:IB07lsb7abULbvecnWkzFcn67ZhIPdek1xq3UZU9:BAGULL7hpK8ZhIPw2ZU9
MD5 SHA1 SHA512 SSDEEP

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memory/2036-0-0x0000000000E10000-0x00000000010B5000-memory.dmp

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memory/2036-1-0x0000000000E10000-0x00000000010B5000-memory.dmp

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memory/2036-13-0x0000000076B90000-0x0000000076B91000-memory.dmp

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memory/2036-16-0x00000000036B0000-0x000000000372E000-memory.dmp

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memory/2036-17-0x0000000000E10000-0x00000000010B5000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads