agenttesla | 76be6cb7d75b3f78abc8074f0885d4efd99059997a285a33a9ea359183be8a68

Analysis

max time kernel
136s
max time network
151s
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 15:35

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General

Target

attached final docs.exe
Size

672KB
MD5

05bdbf0f45e344ba71847553e4900da0
SHA1

108de8169c3e3affadabb29a3da9d953efb79c87
SHA256

7f382cc5928a8adf09033a4412af83f103fe25384f7fb39343344432fc71f8c1
SHA512

922c275dd6ae6ed21a0a9789343d1848b739ff0dc5d4f0db4f8722b3b5804e0f9061d4ad1a22a7aef83044ed9fa9adbae33014b2df743fa52f364f9f57bd0198
SSDEEP

12288:2S3IU8S6eUd+qKo5v8XCQNhtFJXuxgOwZ0GPkqxEvYnfgAJ7pArHaBtUzefE:2IItSAd+qKo96vNxZMeA0tHE

Score

10^/10

agenttesla zgrat keylogger persistence rat spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.precise.co.in
Port:
587
Username:
[email protected]
Password:
Singh@2022$
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/3760-6-0x0000000004F80000-0x0000000004F98000-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:

attached final docs.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3635043082-2972811465-3176142135-1000\Control Panel\International\Geo\Nation	attached final docs.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-1-5-21-3635043082-2972811465-3176142135-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\boqXv = "C:\\Users\\Admin\\AppData\\Roaming\\boqXv\\boqXv.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

attached final docs.exe

description pid process target process

PID 3760 set thread context of 3952 3760 attached final docs.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

1968 3952 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

1232 schtasks.exe

description	pid	process	target process
PID 3760 set thread context of 3952	3760	attached final docs.exe	RegSvcs.exe

pid	pid_target	process	target process
1968	3952	WerFault.exe	RegSvcs.exe

pid	process
1232	schtasks.exe

Suspicious behavior: EnumeratesProcesses 19 IoCs

Processes:

attached final docs.exepowershell.exepowershell.exeRegSvcs.exe

pid	process
3760	attached final docs.exe
3760	attached final docs.exe
3760	attached final docs.exe
3760	attached final docs.exe
3760	attached final docs.exe
3760	attached final docs.exe
1464	powershell.exe
1464	powershell.exe
2724	powershell.exe
2724	powershell.exe
3760	attached final docs.exe
3760	attached final docs.exe
3760	attached final docs.exe
3760	attached final docs.exe
3952	RegSvcs.exe
3952	RegSvcs.exe
3952	RegSvcs.exe
1464	powershell.exe
2724	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

attached final docs.exepowershell.exepowershell.exeRegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	3760	attached final docs.exe
Token: SeDebugPrivilege	1464	powershell.exe
Token: SeDebugPrivilege	2724	powershell.exe
Token: SeDebugPrivilege	3952	RegSvcs.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

attached final docs.exe

description	pid	process	target process
PID 3760 wrote to memory of 1464	3760	attached final docs.exe	powershell.exe
PID 3760 wrote to memory of 1464	3760	attached final docs.exe	powershell.exe
PID 3760 wrote to memory of 1464	3760	attached final docs.exe	powershell.exe
PID 3760 wrote to memory of 2724	3760	attached final docs.exe	powershell.exe
PID 3760 wrote to memory of 2724	3760	attached final docs.exe	powershell.exe
PID 3760 wrote to memory of 2724	3760	attached final docs.exe	powershell.exe
PID 3760 wrote to memory of 1232	3760	attached final docs.exe	schtasks.exe
PID 3760 wrote to memory of 1232	3760	attached final docs.exe	schtasks.exe
PID 3760 wrote to memory of 1232	3760	attached final docs.exe	schtasks.exe
PID 3760 wrote to memory of 4908	3760	attached final docs.exe	RegSvcs.exe
PID 3760 wrote to memory of 4908	3760	attached final docs.exe	RegSvcs.exe
PID 3760 wrote to memory of 4908	3760	attached final docs.exe	RegSvcs.exe
PID 3760 wrote to memory of 3952	3760	attached final docs.exe	RegSvcs.exe
PID 3760 wrote to memory of 3952	3760	attached final docs.exe	RegSvcs.exe
PID 3760 wrote to memory of 3952	3760	attached final docs.exe	RegSvcs.exe
PID 3760 wrote to memory of 3952	3760	attached final docs.exe	RegSvcs.exe
PID 3760 wrote to memory of 3952	3760	attached final docs.exe	RegSvcs.exe
PID 3760 wrote to memory of 3952	3760	attached final docs.exe	RegSvcs.exe
PID 3760 wrote to memory of 3952	3760	attached final docs.exe	RegSvcs.exe
PID 3760 wrote to memory of 3952	3760	attached final docs.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\attached final docs.exe
"C:\Users\Admin\AppData\Local\Temp\attached final docs.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3760

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\attached final docs.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1464

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\TbuoHeok.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2724

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TbuoHeok" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCB8.tmp"
2⤵
- Creates scheduled task(s)
PID:1232

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:3952

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3952 -s 1456
3⤵
- Program crash
PID:1968

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
PID:4908

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3952 -ip 3952
1⤵
PID:4832

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\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
66b444d5614f88d79df7935350ddf3cb

SHA1
2dc52b8ef32b0cdbc8c9e0a2f86e5c754619e616

SHA256
879a8681d00c181d66fa67647c60b6d467185788c0f2711b6430f350bd726215

SHA512
f0b7744bce763010e21b5547e2f6d375a288fb75131d1f5d3b87c5a41dbb518e6c3fde1da5b5b1e305c9a106796ae8164c717a28a9b80c8aa5b1bd9bfe41d300

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_nunl5uhp.jxh.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpCB8.tmp

Filesize
1KB

MD5
3532677b29643f651944770a246649c5

SHA1
07fb15f29376494dd63629ae522765c011998bfb

SHA256
337bc6289c2c7ec4c91d0c1a3885c693ec0f4ed44e511579a97e0da770dde5a2

SHA512
4a4258edda21ec497057924baae4c6d40ed58200395a4cce6eb6128f7b6a898e826801511e2fc7ef97f381d0ee38da3cda5c11ef33c27d7bdec18c94b77f7737

Download Submit
memory/1464-49-0x00000000059E0000-0x0000000005D34000-memory.dmp

Filesize
3.3MB

Download
memory/1464-26-0x0000000004F70000-0x0000000004FD6000-memory.dmp

Filesize
408KB

Download
memory/1464-98-0x0000000074F30000-0x00000000756E0000-memory.dmp

Filesize
7.7MB

Download
memory/1464-52-0x0000000005FB0000-0x0000000005FCE000-memory.dmp

Filesize
120KB

Download
memory/1464-86-0x00000000074B0000-0x00000000074C1000-memory.dmp

Filesize
68KB

Download
memory/1464-85-0x0000000007530000-0x00000000075C6000-memory.dmp

Filesize
600KB

Download
memory/1464-83-0x00000000072B0000-0x00000000072CA000-memory.dmp

Filesize
104KB

Download
memory/1464-81-0x00000000071B0000-0x0000000007253000-memory.dmp

Filesize
652KB

Download
memory/1464-71-0x0000000006560000-0x000000000657E000-memory.dmp

Filesize
120KB

Download
memory/1464-17-0x0000000002670000-0x00000000026A6000-memory.dmp

Filesize
216KB

Download
memory/1464-18-0x0000000074F30000-0x00000000756E0000-memory.dmp

Filesize
7.7MB

Download
memory/1464-20-0x0000000002590000-0x00000000025A0000-memory.dmp

Filesize
64KB

Download
memory/1464-19-0x0000000002590000-0x00000000025A0000-memory.dmp

Filesize
64KB

Download
memory/1464-60-0x00000000757D0000-0x000000007581C000-memory.dmp

Filesize
304KB

Download
memory/1464-58-0x000000007F490000-0x000000007F4A0000-memory.dmp

Filesize
64KB

Download
memory/1464-55-0x0000000002590000-0x00000000025A0000-memory.dmp

Filesize
64KB

Download
memory/1464-53-0x0000000006510000-0x000000000655C000-memory.dmp

Filesize
304KB

Download
memory/2724-21-0x0000000002EF0000-0x0000000002F00000-memory.dmp

Filesize
64KB

Download
memory/2724-87-0x0000000007D00000-0x0000000007D0E000-memory.dmp

Filesize
56KB

Download
memory/2724-27-0x0000000006040000-0x00000000060A6000-memory.dmp

Filesize
408KB

Download
memory/2724-25-0x00000000056E0000-0x0000000005702000-memory.dmp

Filesize
136KB

Download
memory/2724-91-0x0000000007DF0000-0x0000000007DF8000-memory.dmp

Filesize
32KB

Download
memory/2724-90-0x0000000007E10000-0x0000000007E2A000-memory.dmp

Filesize
104KB

Download
memory/2724-88-0x0000000007D10000-0x0000000007D24000-memory.dmp

Filesize
80KB

Download
memory/2724-84-0x0000000007B40000-0x0000000007B4A000-memory.dmp

Filesize
40KB

Download
memory/2724-82-0x0000000008110000-0x000000000878A000-memory.dmp

Filesize
6.5MB

Download
memory/2724-97-0x0000000074F30000-0x00000000756E0000-memory.dmp

Filesize
7.7MB

Download
memory/2724-57-0x0000000006DA0000-0x0000000006DD2000-memory.dmp

Filesize
200KB

Download
memory/2724-54-0x0000000002EF0000-0x0000000002F00000-memory.dmp

Filesize
64KB

Download
memory/2724-22-0x0000000005930000-0x0000000005F58000-memory.dmp

Filesize
6.2MB

Download
memory/2724-23-0x0000000074F30000-0x00000000756E0000-memory.dmp

Filesize
7.7MB

Download
memory/2724-61-0x00000000757D0000-0x000000007581C000-memory.dmp

Filesize
304KB

Download
memory/2724-59-0x000000007EF10000-0x000000007EF20000-memory.dmp

Filesize
64KB

Download
memory/3760-8-0x00000000053F0000-0x00000000053FA000-memory.dmp

Filesize
40KB

Download
memory/3760-4-0x0000000004DC0000-0x0000000004DD0000-memory.dmp

Filesize
64KB

Download
memory/3760-5-0x0000000004E20000-0x0000000004E2A000-memory.dmp

Filesize
40KB

Download
memory/3760-7-0x0000000005290000-0x0000000005298000-memory.dmp

Filesize
32KB

Download
memory/3760-10-0x0000000007710000-0x00000000077AC000-memory.dmp

Filesize
624KB

Download
memory/3760-51-0x0000000074F30000-0x00000000756E0000-memory.dmp

Filesize
7.7MB

Download
memory/3760-1-0x00000000003B0000-0x000000000045E000-memory.dmp

Filesize
696KB

Download
memory/3760-9-0x00000000089D0000-0x0000000008A4C000-memory.dmp

Filesize
496KB

Download
memory/3760-6-0x0000000004F80000-0x0000000004F98000-memory.dmp

Filesize
96KB

Download
memory/3760-12-0x0000000004DC0000-0x0000000004DD0000-memory.dmp

Filesize
64KB

Download
memory/3760-11-0x0000000074F30000-0x00000000756E0000-memory.dmp

Filesize
7.7MB

Download
memory/3760-2-0x0000000005400000-0x00000000059A4000-memory.dmp

Filesize
5.6MB

Download
memory/3760-0-0x0000000074F30000-0x00000000756E0000-memory.dmp

Filesize
7.7MB

Download
memory/3760-3-0x0000000004E50000-0x0000000004EE2000-memory.dmp

Filesize
584KB

Download
memory/3952-89-0x0000000074F30000-0x00000000756E0000-memory.dmp

Filesize
7.7MB

Download
memory/3952-28-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3952-44-0x0000000074F30000-0x00000000756E0000-memory.dmp

Filesize
7.7MB

Download
memory/3952-50-0x00000000052F0000-0x0000000005300000-memory.dmp

Filesize
64KB

Download