agenttesla | 0aff1b4bf066323c06f27d5bef33536e73ce2af134be73fdb90f5dc4479db8ca

Analysis

max time kernel
143s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
30-03-2024 01:35

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General

Target

KhT.scr
Size

687KB
MD5

62ed0ee9372f04bd637e3995624dbc0c
SHA1

96e4d381325b9c0a0581993529baf0cb38050faf
SHA256

17f1c3567b5334eca6e41e7a341faa999fdb22f64004a185874e23dd4a43d06d
SHA512

7e3c79a487e8d472947aab1050db828ae7fe65ae1af049c00dfe7cd1b4668313665dd6380a32b7465a16da292e8270e53c35586ea39dcef3ec50ddc8a1bd2e1a
SSDEEP

12288:4/K0YOwqOpWXqqfNg3Hsgtwmq+MzaMl7+fpfKIIP9HJYxbd:DO7rXHNg3HsgtwD+MzplCfxKzHJI

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.sigmamotorspk.com
Port:
587
Username:
[email protected]
Password:
zarbeazab1234
Email To:
[email protected]

Signatures

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

KhT.scr

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation KhT.scr
Suspicious use of SetThreadContext 1 IoCs

Processes:

KhT.scr

description pid process target process

PID 1424 set thread context of 3716 1424 KhT.scr RegSvcs.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
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

1652 schtasks.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	KhT.scr

description	pid	process	target process
PID 1424 set thread context of 3716	1424	KhT.scr	RegSvcs.exe

pid	process
1652	schtasks.exe

Suspicious behavior: EnumeratesProcesses 17 IoCs

Processes:

KhT.scrRegSvcs.exepowershell.exe

pid	process
1424	KhT.scr
1424	KhT.scr
1424	KhT.scr
1424	KhT.scr
1424	KhT.scr
1424	KhT.scr
1424	KhT.scr
1424	KhT.scr
1424	KhT.scr
1424	KhT.scr
1424	KhT.scr
3716	RegSvcs.exe
3716	RegSvcs.exe
3716	RegSvcs.exe
1968	powershell.exe
1968	powershell.exe
1968	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

KhT.scrpowershell.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 1424 KhT.scr
Token: SeDebugPrivilege 1968 powershell.exe
Token: SeDebugPrivilege 3716 RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	1424	KhT.scr
Token: SeDebugPrivilege	1968	powershell.exe
Token: SeDebugPrivilege	3716	RegSvcs.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

KhT.scr

description	pid	process	target process
PID 1424 wrote to memory of 1968	1424	KhT.scr	powershell.exe
PID 1424 wrote to memory of 1968	1424	KhT.scr	powershell.exe
PID 1424 wrote to memory of 1968	1424	KhT.scr	powershell.exe
PID 1424 wrote to memory of 1652	1424	KhT.scr	schtasks.exe
PID 1424 wrote to memory of 1652	1424	KhT.scr	schtasks.exe
PID 1424 wrote to memory of 1652	1424	KhT.scr	schtasks.exe
PID 1424 wrote to memory of 756	1424	KhT.scr	RegSvcs.exe
PID 1424 wrote to memory of 756	1424	KhT.scr	RegSvcs.exe
PID 1424 wrote to memory of 756	1424	KhT.scr	RegSvcs.exe
PID 1424 wrote to memory of 3716	1424	KhT.scr	RegSvcs.exe
PID 1424 wrote to memory of 3716	1424	KhT.scr	RegSvcs.exe
PID 1424 wrote to memory of 3716	1424	KhT.scr	RegSvcs.exe
PID 1424 wrote to memory of 3716	1424	KhT.scr	RegSvcs.exe
PID 1424 wrote to memory of 3716	1424	KhT.scr	RegSvcs.exe
PID 1424 wrote to memory of 3716	1424	KhT.scr	RegSvcs.exe
PID 1424 wrote to memory of 3716	1424	KhT.scr	RegSvcs.exe
PID 1424 wrote to memory of 3716	1424	KhT.scr	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\KhT.scr
"C:\Users\Admin\AppData\Local\Temp\KhT.scr" /S
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1424

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\zTmBkRpHGbA.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1968

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zTmBkRpHGbA" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5EF4.tmp"
2⤵
- Creates scheduled task(s)
PID:1652

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
PID:756

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3716

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4012 --field-trial-handle=2284,i,15722001240173834669,15048020084704567542,262144 --variations-seed-version /prefetch:8
1⤵
PID:4384

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vseawsyp.04r.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp5EF4.tmp

Filesize
1KB

MD5
70bd428a84f1328b8fff63a823c0fcc7

SHA1
cb52b608d0fd6544a2729cb79a25f44fb8dad1d5

SHA256
93f07bd290db71695669d1b29eb5478001c17c2a2bc277f26c1ca66153a39b79

SHA512
ebe558f33f85b943065bf27fad5a894c302f10410d5ff623343c82c06dd9f57a186941c8b2732c9875906c64c83f06c6dba9134a0ccfe5014917cab28cf2cb0d

Download Submit
memory/1424-6-0x00000000061D0000-0x00000000061EA000-memory.dmp

Filesize
104KB

Download
memory/1424-3-0x0000000004F30000-0x0000000004FC2000-memory.dmp

Filesize
584KB

Download
memory/1424-4-0x0000000005150000-0x0000000005160000-memory.dmp

Filesize
64KB

Download
memory/1424-5-0x0000000004ED0000-0x0000000004EDA000-memory.dmp

Filesize
40KB

Download
memory/1424-2-0x0000000005440000-0x00000000059E4000-memory.dmp

Filesize
5.6MB

Download
memory/1424-7-0x0000000005410000-0x000000000541C000-memory.dmp

Filesize
48KB

Download
memory/1424-8-0x0000000006880000-0x0000000006902000-memory.dmp

Filesize
520KB

Download
memory/1424-9-0x0000000008EF0000-0x0000000008F8C000-memory.dmp

Filesize
624KB

Download
memory/1424-10-0x00000000744E0000-0x0000000074C90000-memory.dmp

Filesize
7.7MB

Download
memory/1424-11-0x0000000005150000-0x0000000005160000-memory.dmp

Filesize
64KB

Download
memory/1424-1-0x0000000000420000-0x00000000004D2000-memory.dmp

Filesize
712KB

Download
memory/1424-0-0x00000000744E0000-0x0000000074C90000-memory.dmp

Filesize
7.7MB

Download
memory/1424-26-0x00000000744E0000-0x0000000074C90000-memory.dmp

Filesize
7.7MB

Download
memory/1968-29-0x0000000005180000-0x00000000051E6000-memory.dmp

Filesize
408KB

Download
memory/1968-45-0x0000000070160000-0x00000000701AC000-memory.dmp

Filesize
304KB

Download
memory/1968-69-0x00000000744E0000-0x0000000074C90000-memory.dmp

Filesize
7.7MB

Download
memory/1968-23-0x0000000005410000-0x0000000005A38000-memory.dmp

Filesize
6.2MB

Download
memory/1968-66-0x00000000076E0000-0x00000000076E8000-memory.dmp

Filesize
32KB

Download
memory/1968-65-0x0000000007700000-0x000000000771A000-memory.dmp

Filesize
104KB

Download
memory/1968-18-0x0000000004DD0000-0x0000000004DE0000-memory.dmp

Filesize
64KB

Download
memory/1968-64-0x0000000007600000-0x0000000007614000-memory.dmp

Filesize
80KB

Download
memory/1968-28-0x00000000050E0000-0x0000000005102000-memory.dmp

Filesize
136KB

Download
memory/1968-17-0x00000000744E0000-0x0000000074C90000-memory.dmp

Filesize
7.7MB

Download
memory/1968-16-0x0000000002790000-0x00000000027C6000-memory.dmp

Filesize
216KB

Download
memory/1968-35-0x0000000005A40000-0x0000000005D94000-memory.dmp

Filesize
3.3MB

Download
memory/1968-40-0x00000000060C0000-0x00000000060DE000-memory.dmp

Filesize
120KB

Download
memory/1968-41-0x0000000006160000-0x00000000061AC000-memory.dmp

Filesize
304KB

Download
memory/1968-42-0x0000000004DD0000-0x0000000004DE0000-memory.dmp

Filesize
64KB

Download
memory/1968-43-0x000000007EFF0000-0x000000007F000000-memory.dmp

Filesize
64KB

Download
memory/1968-44-0x0000000007270000-0x00000000072A2000-memory.dmp

Filesize
200KB

Download
memory/1968-20-0x0000000004DD0000-0x0000000004DE0000-memory.dmp

Filesize
64KB

Download
memory/1968-55-0x0000000006660000-0x000000000667E000-memory.dmp

Filesize
120KB

Download
memory/1968-56-0x00000000072B0000-0x0000000007353000-memory.dmp

Filesize
652KB

Download
memory/1968-58-0x00000000073C0000-0x00000000073DA000-memory.dmp

Filesize
104KB

Download
memory/1968-57-0x0000000007A00000-0x000000000807A000-memory.dmp

Filesize
6.5MB

Download
memory/1968-59-0x0000000007430000-0x000000000743A000-memory.dmp

Filesize
40KB

Download
memory/1968-63-0x00000000075F0000-0x00000000075FE000-memory.dmp

Filesize
56KB

Download
memory/1968-61-0x0000000007640000-0x00000000076D6000-memory.dmp

Filesize
600KB

Download
memory/1968-62-0x00000000075C0000-0x00000000075D1000-memory.dmp

Filesize
68KB

Download
memory/3716-60-0x00000000067E0000-0x0000000006830000-memory.dmp

Filesize
320KB

Download
memory/3716-27-0x0000000005930000-0x0000000005996000-memory.dmp

Filesize
408KB

Download
memory/3716-25-0x0000000005920000-0x0000000005930000-memory.dmp

Filesize
64KB

Download
memory/3716-24-0x00000000744E0000-0x0000000074C90000-memory.dmp

Filesize
7.7MB

Download
memory/3716-21-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3716-70-0x00000000744E0000-0x0000000074C90000-memory.dmp

Filesize
7.7MB

Download
memory/3716-71-0x0000000005920000-0x0000000005930000-memory.dmp

Filesize
64KB

Download