agenttesla | 36c6500eeae2956b4c5bcbb84aa87198c95d8b16efa0bd94b1bc604f6bede773

Analysis

max time kernel
142s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231127-en
resource tags

arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
submitted
12-12-2023 15:28

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General

Target

Statement of Account.exe
Size

665KB
MD5

8cde3c38aba1d12314914ef9f392f249
SHA1

41bf1c60d192446b192bf8de0906af8e4e35c38f
SHA256

662d11eea0dab34f36fa8f01e49c9ddea9d111e71d0509fa25993525e486d837
SHA512

7e2f1256a404438566da00fbecb33ce6e186a363b8043d7f9a9f7cda39cc2e2afcc05b35d25ac10c6415c576824e5c6ab7ca4132dcb282eca7b87721cf3eccf7
SSDEEP

12288:QjHbc+4WpAEAy7sE3vSQq32CqHUjEWl4kFx2T9DcLEOyylTQK+p3c+z+:6pAEoAtqmCYkFx25aFuK+G+

Score

10^/10

agenttesla zgrat keylogger persistence rat spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.asiaparadisehotel.com
Port:
587
Username:
[email protected]
Password:
KTNL)LqQaA(8
Email To:
[email protected]

Signatures

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

Detect ZGRat V1 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3868-6-0x0000000005C80000-0x0000000005C98000-memory.dmp	family_zgrat_v1

ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat

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

Processes:

Statement of Account.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2598572287-1024438387-935107970-1000\Control Panel\International\Geo\Nation	Statement of Account.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

RegSvcs.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2598572287-1024438387-935107970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ZVOHvI = "C:\\Users\\Admin\\AppData\\Roaming\\ZVOHvI\\ZVOHvI.exe"	RegSvcs.exe

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

50 api.ipify.org
51 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

Statement of Account.exe

description pid process target process

PID 3868 set thread context of 4760 3868 Statement of Account.exe RegSvcs.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2068 4760 WerFault.exe RegSvcs.exe
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

3644 schtasks.exe

flow	ioc
50	api.ipify.org
51	api.ipify.org

description	pid	process	target process
PID 3868 set thread context of 4760	3868	Statement of Account.exe	RegSvcs.exe

pid	pid_target	process	target process
2068	4760	WerFault.exe	RegSvcs.exe

pid	process
3644	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

Statement of Account.exeRegSvcs.exepowershell.exe

pid	process
3868	Statement of Account.exe
3868	Statement of Account.exe
3868	Statement of Account.exe
4760	RegSvcs.exe
4760	RegSvcs.exe
4760	RegSvcs.exe
3676	powershell.exe
3676	powershell.exe
3676	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Statement of Account.exeRegSvcs.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	3868	Statement of Account.exe
Token: SeDebugPrivilege	4760	RegSvcs.exe
Token: SeDebugPrivilege	3676	powershell.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

Statement of Account.exe

description	pid	process	target process
PID 3868 wrote to memory of 3676	3868	Statement of Account.exe	powershell.exe
PID 3868 wrote to memory of 3676	3868	Statement of Account.exe	powershell.exe
PID 3868 wrote to memory of 3676	3868	Statement of Account.exe	powershell.exe
PID 3868 wrote to memory of 3644	3868	Statement of Account.exe	schtasks.exe
PID 3868 wrote to memory of 3644	3868	Statement of Account.exe	schtasks.exe
PID 3868 wrote to memory of 3644	3868	Statement of Account.exe	schtasks.exe
PID 3868 wrote to memory of 4760	3868	Statement of Account.exe	RegSvcs.exe
PID 3868 wrote to memory of 4760	3868	Statement of Account.exe	RegSvcs.exe
PID 3868 wrote to memory of 4760	3868	Statement of Account.exe	RegSvcs.exe
PID 3868 wrote to memory of 4760	3868	Statement of Account.exe	RegSvcs.exe
PID 3868 wrote to memory of 4760	3868	Statement of Account.exe	RegSvcs.exe
PID 3868 wrote to memory of 4760	3868	Statement of Account.exe	RegSvcs.exe
PID 3868 wrote to memory of 4760	3868	Statement of Account.exe	RegSvcs.exe
PID 3868 wrote to memory of 4760	3868	Statement of Account.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\Statement of Account.exe
"C:\Users\Admin\AppData\Local\Temp\Statement of Account.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3868

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\leKTJR.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3676

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\leKTJR" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBB32.tmp"
2⤵
- Creates scheduled task(s)
PID:3644

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4760

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4760 -s 2020
3⤵
- Program crash
PID:2068

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4760 -ip 4760
1⤵
PID:2252

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_uew1h5e3.dll.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpBB32.tmp

Filesize
1KB

MD5
e2bb1e119f62ad3169d300d113bba320

SHA1
6da06b8cddca443c72227a3e02aec3239e376421

SHA256
65354ce45b89c48643a05d492a6102a2116e03b58500bb3bb86e556e4c7d4a1b

SHA512
cc9e3988a49e8f8b8915ec1d59c3e721cb52f4158e993cbb3ed8a5a3f3383f9dbfabf3ec6fed180b0e824639f30dde35a4d808180fe2742b793a5919fcd873e1

Download Submit
memory/3676-27-0x0000000005AA0000-0x0000000005AC2000-memory.dmp

Filesize
136KB

Download
memory/3676-42-0x000000007EF70000-0x000000007EF80000-memory.dmp

Filesize
64KB

Download
memory/3676-68-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download
memory/3676-65-0x0000000007870000-0x0000000007878000-memory.dmp

Filesize
32KB

Download
memory/3676-64-0x0000000007890000-0x00000000078AA000-memory.dmp

Filesize
104KB

Download
memory/3676-63-0x0000000007790000-0x00000000077A4000-memory.dmp

Filesize
80KB

Download
memory/3676-62-0x0000000007780000-0x000000000778E000-memory.dmp

Filesize
56KB

Download
memory/3676-61-0x0000000007750000-0x0000000007761000-memory.dmp

Filesize
68KB

Download
memory/3676-60-0x00000000077D0000-0x0000000007866000-memory.dmp

Filesize
600KB

Download
memory/3676-15-0x0000000002910000-0x0000000002946000-memory.dmp

Filesize
216KB

Download
memory/3676-59-0x00000000075C0000-0x00000000075CA000-memory.dmp

Filesize
40KB

Download
memory/3676-17-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download
memory/3676-57-0x0000000007B90000-0x000000000820A000-memory.dmp

Filesize
6.5MB

Download
memory/3676-20-0x0000000005370000-0x0000000005998000-memory.dmp

Filesize
6.2MB

Download
memory/3676-21-0x0000000002950000-0x0000000002960000-memory.dmp

Filesize
64KB

Download
memory/3676-33-0x0000000005B60000-0x0000000005BC6000-memory.dmp

Filesize
408KB

Download
memory/3676-58-0x0000000007550000-0x000000000756A000-memory.dmp

Filesize
104KB

Download
memory/3676-43-0x00000000073D0000-0x0000000007402000-memory.dmp

Filesize
200KB

Download
memory/3676-55-0x0000000007420000-0x00000000074C3000-memory.dmp

Filesize
652KB

Download
memory/3676-54-0x0000000006800000-0x000000000681E000-memory.dmp

Filesize
120KB

Download
memory/3676-44-0x0000000070A60000-0x0000000070AAC000-memory.dmp

Filesize
304KB

Download
memory/3676-41-0x0000000002950000-0x0000000002960000-memory.dmp

Filesize
64KB

Download
memory/3676-40-0x00000000066A0000-0x00000000066EC000-memory.dmp

Filesize
304KB

Download
memory/3676-38-0x0000000005DB0000-0x0000000006104000-memory.dmp

Filesize
3.3MB

Download
memory/3676-39-0x0000000006240000-0x000000000625E000-memory.dmp

Filesize
120KB

Download
memory/3868-4-0x0000000005960000-0x0000000005970000-memory.dmp

Filesize
64KB

Download
memory/3868-7-0x0000000009670000-0x0000000009678000-memory.dmp

Filesize
32KB

Download
memory/3868-10-0x0000000008390000-0x000000000842C000-memory.dmp

Filesize
624KB

Download
memory/3868-2-0x0000000005CB0000-0x0000000006254000-memory.dmp

Filesize
5.6MB

Download
memory/3868-26-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download
memory/3868-19-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download
memory/3868-3-0x00000000057A0000-0x0000000005832000-memory.dmp

Filesize
584KB

Download
memory/3868-5-0x0000000005770000-0x000000000577A000-memory.dmp

Filesize
40KB

Download
memory/3868-0-0x0000000000D00000-0x0000000000DAC000-memory.dmp

Filesize
688KB

Download
memory/3868-1-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download
memory/3868-6-0x0000000005C80000-0x0000000005C98000-memory.dmp

Filesize
96KB

Download
memory/3868-9-0x0000000009680000-0x00000000096FC000-memory.dmp

Filesize
496KB

Download
memory/3868-8-0x0000000006960000-0x000000000696A000-memory.dmp

Filesize
40KB

Download
memory/4760-24-0x0000000005740000-0x00000000057A6000-memory.dmp

Filesize
408KB

Download
memory/4760-25-0x0000000005730000-0x0000000005740000-memory.dmp

Filesize
64KB

Download
memory/4760-69-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download
memory/4760-18-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/4760-23-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download