Analysis
-
max time kernel
66s -
max time network
53s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
29-04-2024 10:58
Static task
static1
Behavioral task
behavioral1
Sample
cXPFfk0pBp7bEsb.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
cXPFfk0pBp7bEsb.exe
Resource
win10v2004-20240419-en
General
-
Target
cXPFfk0pBp7bEsb.exe
-
Size
666KB
-
MD5
3e142ca68f08905cab743c39bf7f53ba
-
SHA1
65ff38bc2e98f89f01088e77f921230c02ed870d
-
SHA256
18f44886b9280533487b58a1feab7a3ebb463718417109643467315250b460b3
-
SHA512
afd533e46aa2cdc398d11c7422d7aff25dcafadcaf1b15084b5bec0c5890de2634ad09b8cca37d56e2692dfc63c5a96ad493fc719104fa610f2f36c3968df164
-
SSDEEP
12288:W4OB778QbN5vI3vIXpeFIJMTzfSmzQy3kymdJTRD1iKNDsreh5DSqiUNeGSggAU:TOBNN5QAZHJozSyC9PDX5WaXVU
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.kowalskiokna.pl - Port:
587 - Username:
[email protected] - Password:
artgeruhst75g - Email To:
[email protected]
Signatures
-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
cXPFfk0pBp7bEsb.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3726321484-1950364574-433157660-1000\Control Panel\International\Geo\Nation cXPFfk0pBp7bEsb.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
-
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
-
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 5 api.ipify.org 9 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
Processes:
cXPFfk0pBp7bEsb.exedescription pid process target process PID 3416 set thread context of 5036 3416 cXPFfk0pBp7bEsb.exe cXPFfk0pBp7bEsb.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
cXPFfk0pBp7bEsb.execXPFfk0pBp7bEsb.exepowershell.exepid process 3416 cXPFfk0pBp7bEsb.exe 3416 cXPFfk0pBp7bEsb.exe 5036 cXPFfk0pBp7bEsb.exe 5036 cXPFfk0pBp7bEsb.exe 3476 powershell.exe 3476 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
cXPFfk0pBp7bEsb.execXPFfk0pBp7bEsb.exepowershell.exedescription pid process Token: SeDebugPrivilege 3416 cXPFfk0pBp7bEsb.exe Token: SeDebugPrivilege 5036 cXPFfk0pBp7bEsb.exe Token: SeDebugPrivilege 3476 powershell.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
cXPFfk0pBp7bEsb.exedescription pid process target process PID 3416 wrote to memory of 3476 3416 cXPFfk0pBp7bEsb.exe powershell.exe PID 3416 wrote to memory of 3476 3416 cXPFfk0pBp7bEsb.exe powershell.exe PID 3416 wrote to memory of 3476 3416 cXPFfk0pBp7bEsb.exe powershell.exe PID 3416 wrote to memory of 5036 3416 cXPFfk0pBp7bEsb.exe cXPFfk0pBp7bEsb.exe PID 3416 wrote to memory of 5036 3416 cXPFfk0pBp7bEsb.exe cXPFfk0pBp7bEsb.exe PID 3416 wrote to memory of 5036 3416 cXPFfk0pBp7bEsb.exe cXPFfk0pBp7bEsb.exe PID 3416 wrote to memory of 5036 3416 cXPFfk0pBp7bEsb.exe cXPFfk0pBp7bEsb.exe PID 3416 wrote to memory of 5036 3416 cXPFfk0pBp7bEsb.exe cXPFfk0pBp7bEsb.exe PID 3416 wrote to memory of 5036 3416 cXPFfk0pBp7bEsb.exe cXPFfk0pBp7bEsb.exe PID 3416 wrote to memory of 5036 3416 cXPFfk0pBp7bEsb.exe cXPFfk0pBp7bEsb.exe PID 3416 wrote to memory of 5036 3416 cXPFfk0pBp7bEsb.exe cXPFfk0pBp7bEsb.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\cXPFfk0pBp7bEsb.exe"C:\Users\Admin\AppData\Local\Temp\cXPFfk0pBp7bEsb.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\cXPFfk0pBp7bEsb.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Admin\AppData\Local\Temp\cXPFfk0pBp7bEsb.exe"C:\Users\Admin\AppData\Local\Temp\cXPFfk0pBp7bEsb.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fpmlxquh.cbb.ps1Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
-
memory/3416-6-0x0000000005970000-0x0000000005988000-memory.dmpFilesize
96KB
-
memory/3416-2-0x0000000005C10000-0x00000000061B4000-memory.dmpFilesize
5.6MB
-
memory/3416-3-0x0000000005700000-0x0000000005792000-memory.dmpFilesize
584KB
-
memory/3416-4-0x0000000005990000-0x00000000059A0000-memory.dmpFilesize
64KB
-
memory/3416-5-0x00000000057A0000-0x00000000057AA000-memory.dmpFilesize
40KB
-
memory/3416-13-0x00000000749B0000-0x0000000075160000-memory.dmpFilesize
7.7MB
-
memory/3416-7-0x0000000005AC0000-0x0000000005ACE000-memory.dmpFilesize
56KB
-
memory/3416-8-0x0000000005AD0000-0x0000000005AE6000-memory.dmpFilesize
88KB
-
memory/3416-9-0x00000000068D0000-0x0000000006954000-memory.dmpFilesize
528KB
-
memory/3416-10-0x00000000091C0000-0x000000000925C000-memory.dmpFilesize
624KB
-
memory/3416-0-0x0000000000C60000-0x0000000000D0C000-memory.dmpFilesize
688KB
-
memory/3416-1-0x00000000749B0000-0x0000000075160000-memory.dmpFilesize
7.7MB
-
memory/3476-51-0x0000000006F30000-0x0000000006F3A000-memory.dmpFilesize
40KB
-
memory/3476-37-0x0000000070610000-0x000000007065C000-memory.dmpFilesize
304KB
-
memory/3476-16-0x00000000045D0000-0x0000000004606000-memory.dmpFilesize
216KB
-
memory/3476-19-0x0000000004730000-0x0000000004740000-memory.dmpFilesize
64KB
-
memory/3476-21-0x0000000004D70000-0x0000000005398000-memory.dmpFilesize
6.2MB
-
memory/3476-60-0x00000000749B0000-0x0000000075160000-memory.dmpFilesize
7.7MB
-
memory/3476-18-0x0000000004730000-0x0000000004740000-memory.dmpFilesize
64KB
-
memory/3476-57-0x00000000071E0000-0x00000000071E8000-memory.dmpFilesize
32KB
-
memory/3476-22-0x0000000004BC0000-0x0000000004BE2000-memory.dmpFilesize
136KB
-
memory/3476-23-0x0000000004C60000-0x0000000004CC6000-memory.dmpFilesize
408KB
-
memory/3476-56-0x0000000007200000-0x000000000721A000-memory.dmpFilesize
104KB
-
memory/3476-33-0x0000000005560000-0x00000000058B4000-memory.dmpFilesize
3.3MB
-
memory/3476-34-0x0000000005B90000-0x0000000005BAE000-memory.dmpFilesize
120KB
-
memory/3476-35-0x0000000005C30000-0x0000000005C7C000-memory.dmpFilesize
304KB
-
memory/3476-36-0x0000000006160000-0x0000000006192000-memory.dmpFilesize
200KB
-
memory/3476-17-0x00000000749B0000-0x0000000075160000-memory.dmpFilesize
7.7MB
-
memory/3476-47-0x00000000061A0000-0x00000000061BE000-memory.dmpFilesize
120KB
-
memory/3476-48-0x0000000006DC0000-0x0000000006E63000-memory.dmpFilesize
652KB
-
memory/3476-50-0x0000000006EC0000-0x0000000006EDA000-memory.dmpFilesize
104KB
-
memory/3476-49-0x0000000007500000-0x0000000007B7A000-memory.dmpFilesize
6.5MB
-
memory/3476-55-0x0000000007100000-0x0000000007114000-memory.dmpFilesize
80KB
-
memory/3476-52-0x0000000007140000-0x00000000071D6000-memory.dmpFilesize
600KB
-
memory/3476-53-0x00000000070C0000-0x00000000070D1000-memory.dmpFilesize
68KB
-
memory/3476-54-0x00000000070F0000-0x00000000070FE000-memory.dmpFilesize
56KB
-
memory/5036-11-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
-
memory/5036-14-0x00000000749B0000-0x0000000075160000-memory.dmpFilesize
7.7MB
-
memory/5036-15-0x00000000054C0000-0x00000000054D0000-memory.dmpFilesize
64KB
-
memory/5036-20-0x0000000005540000-0x00000000055A6000-memory.dmpFilesize
408KB
-
memory/5036-61-0x00000000749B0000-0x0000000075160000-memory.dmpFilesize
7.7MB
-
memory/5036-62-0x0000000006D70000-0x0000000006DC0000-memory.dmpFilesize
320KB
-
memory/5036-63-0x00000000054C0000-0x00000000054D0000-memory.dmpFilesize
64KB