agenttesla | ce021aaca1ac091165c6bd6d9b27d41c0994d308f39bce54a5d7e59ba76a421e

General

Target

ce021aaca1ac091165c6bd6d9b27d41c0994d308f39bce54a5d7e59ba76a421e.exe
Size

611KB
MD5

bb890594548df51e5957ca2445cd7fb8
SHA1

7aabf17acfff6e33ef68bbccea7b266a48205fff
SHA256

ce021aaca1ac091165c6bd6d9b27d41c0994d308f39bce54a5d7e59ba76a421e
SHA512

feaa88044792da5886b7fb4cf7eb4d67ca7be07b2376ae0e5d980be69c873f52db45eef9ab1e4b97f6dc9c1d99350fbbc579462bad7cb5bed49cbdb9752cd022
SSDEEP

12288:4SMpPbU8sOUVVhUF+i1c/OGNX+jkniNzXNDu8Z2RjbY8rk45az:4/pPbrUVo+sGNXPiN8W25YqtE

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
cp8nl.hyperhost.ua
Port:
587
Username:
[email protected]
Password:
7213575aceACE@#$
Email To:
[email protected]

Signatures

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

Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/912-14-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/912-14-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables packed with or use KoiVM 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1912-3-0x0000023A6C8E0000-0x0000023A6C976000-memory.dmp	INDICATOR_EXE_Packed_KoiVM

Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/912-14-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID

Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/912-14-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/912-14-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/912-14-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

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:

ce021aaca1ac091165c6bd6d9b27d41c0994d308f39bce54a5d7e59ba76a421e.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\Control Panel\International\Geo\Nation	ce021aaca1ac091165c6bd6d9b27d41c0994d308f39bce54a5d7e59ba76a421e.exe

Executes dropped EXE 1 IoCs

Processes:

svchost.exe

pid process

3868 svchost.exe
Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

pid	process
3868	svchost.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

ce021aaca1ac091165c6bd6d9b27d41c0994d308f39bce54a5d7e59ba76a421e.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost = "\"C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe\""	ce021aaca1ac091165c6bd6d9b27d41c0994d308f39bce54a5d7e59ba76a421e.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

svchost.exe

description pid process target process

PID 3868 set thread context of 912 3868 svchost.exe regasm.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

1980 schtasks.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

4812 timeout.exe

description	pid	process	target process
PID 3868 set thread context of 912	3868	svchost.exe	regasm.exe

pid	process
1980	schtasks.exe

pid	process
4812	timeout.exe

Suspicious behavior: EnumeratesProcesses 26 IoCs

Processes:

ce021aaca1ac091165c6bd6d9b27d41c0994d308f39bce54a5d7e59ba76a421e.exeregasm.exe

pid	process
1912	ce021aaca1ac091165c6bd6d9b27d41c0994d308f39bce54a5d7e59ba76a421e.exe
1912	ce021aaca1ac091165c6bd6d9b27d41c0994d308f39bce54a5d7e59ba76a421e.exe
1912	ce021aaca1ac091165c6bd6d9b27d41c0994d308f39bce54a5d7e59ba76a421e.exe
1912	ce021aaca1ac091165c6bd6d9b27d41c0994d308f39bce54a5d7e59ba76a421e.exe
1912	ce021aaca1ac091165c6bd6d9b27d41c0994d308f39bce54a5d7e59ba76a421e.exe
1912	ce021aaca1ac091165c6bd6d9b27d41c0994d308f39bce54a5d7e59ba76a421e.exe
1912	ce021aaca1ac091165c6bd6d9b27d41c0994d308f39bce54a5d7e59ba76a421e.exe
1912	ce021aaca1ac091165c6bd6d9b27d41c0994d308f39bce54a5d7e59ba76a421e.exe
1912	ce021aaca1ac091165c6bd6d9b27d41c0994d308f39bce54a5d7e59ba76a421e.exe
1912	ce021aaca1ac091165c6bd6d9b27d41c0994d308f39bce54a5d7e59ba76a421e.exe
1912	ce021aaca1ac091165c6bd6d9b27d41c0994d308f39bce54a5d7e59ba76a421e.exe
1912	ce021aaca1ac091165c6bd6d9b27d41c0994d308f39bce54a5d7e59ba76a421e.exe
1912	ce021aaca1ac091165c6bd6d9b27d41c0994d308f39bce54a5d7e59ba76a421e.exe
1912	ce021aaca1ac091165c6bd6d9b27d41c0994d308f39bce54a5d7e59ba76a421e.exe
1912	ce021aaca1ac091165c6bd6d9b27d41c0994d308f39bce54a5d7e59ba76a421e.exe
1912	ce021aaca1ac091165c6bd6d9b27d41c0994d308f39bce54a5d7e59ba76a421e.exe
1912	ce021aaca1ac091165c6bd6d9b27d41c0994d308f39bce54a5d7e59ba76a421e.exe
1912	ce021aaca1ac091165c6bd6d9b27d41c0994d308f39bce54a5d7e59ba76a421e.exe
1912	ce021aaca1ac091165c6bd6d9b27d41c0994d308f39bce54a5d7e59ba76a421e.exe
1912	ce021aaca1ac091165c6bd6d9b27d41c0994d308f39bce54a5d7e59ba76a421e.exe
1912	ce021aaca1ac091165c6bd6d9b27d41c0994d308f39bce54a5d7e59ba76a421e.exe
1912	ce021aaca1ac091165c6bd6d9b27d41c0994d308f39bce54a5d7e59ba76a421e.exe
1912	ce021aaca1ac091165c6bd6d9b27d41c0994d308f39bce54a5d7e59ba76a421e.exe
912	regasm.exe
912	regasm.exe
912	regasm.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

ce021aaca1ac091165c6bd6d9b27d41c0994d308f39bce54a5d7e59ba76a421e.exesvchost.exeregasm.exe

description	pid	process
Token: SeDebugPrivilege	1912	ce021aaca1ac091165c6bd6d9b27d41c0994d308f39bce54a5d7e59ba76a421e.exe
Token: SeDebugPrivilege	3868	svchost.exe
Token: SeDebugPrivilege	912	regasm.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

ce021aaca1ac091165c6bd6d9b27d41c0994d308f39bce54a5d7e59ba76a421e.execmd.execmd.exesvchost.exe

description	pid	process	target process
PID 1912 wrote to memory of 1104	1912	ce021aaca1ac091165c6bd6d9b27d41c0994d308f39bce54a5d7e59ba76a421e.exe	cmd.exe
PID 1912 wrote to memory of 1104	1912	ce021aaca1ac091165c6bd6d9b27d41c0994d308f39bce54a5d7e59ba76a421e.exe	cmd.exe
PID 1912 wrote to memory of 800	1912	ce021aaca1ac091165c6bd6d9b27d41c0994d308f39bce54a5d7e59ba76a421e.exe	cmd.exe
PID 1912 wrote to memory of 800	1912	ce021aaca1ac091165c6bd6d9b27d41c0994d308f39bce54a5d7e59ba76a421e.exe	cmd.exe
PID 800 wrote to memory of 4812	800	cmd.exe	timeout.exe
PID 800 wrote to memory of 4812	800	cmd.exe	timeout.exe
PID 1104 wrote to memory of 1980	1104	cmd.exe	schtasks.exe
PID 1104 wrote to memory of 1980	1104	cmd.exe	schtasks.exe
PID 800 wrote to memory of 3868	800	cmd.exe	svchost.exe
PID 800 wrote to memory of 3868	800	cmd.exe	svchost.exe
PID 3868 wrote to memory of 3884	3868	svchost.exe	installutil.exe
PID 3868 wrote to memory of 3884	3868	svchost.exe	installutil.exe
PID 3868 wrote to memory of 3884	3868	svchost.exe	installutil.exe
PID 3868 wrote to memory of 912	3868	svchost.exe	regasm.exe
PID 3868 wrote to memory of 912	3868	svchost.exe	regasm.exe
PID 3868 wrote to memory of 912	3868	svchost.exe	regasm.exe
PID 3868 wrote to memory of 912	3868	svchost.exe	regasm.exe
PID 3868 wrote to memory of 912	3868	svchost.exe	regasm.exe
PID 3868 wrote to memory of 912	3868	svchost.exe	regasm.exe
PID 3868 wrote to memory of 912	3868	svchost.exe	regasm.exe
PID 3868 wrote to memory of 912	3868	svchost.exe	regasm.exe
PID 3868 wrote to memory of 2044	3868	svchost.exe	regasm.exe
PID 3868 wrote to memory of 2044	3868	svchost.exe	regasm.exe
PID 3868 wrote to memory of 2044	3868	svchost.exe	regasm.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\ce021aaca1ac091165c6bd6d9b27d41c0994d308f39bce54a5d7e59ba76a421e.exe
"C:\Users\Admin\AppData\Local\Temp\ce021aaca1ac091165c6bd6d9b27d41c0994d308f39bce54a5d7e59ba76a421e.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1912

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"' & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:1104

C:\Windows\system32\schtasks.exe
schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"'
3⤵
- Creates scheduled task(s)
PID:1980

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp6E98.tmp.bat""
2⤵
- Suspicious use of WriteProcessMemory
PID:800

C:\Windows\system32\timeout.exe
timeout 3
3⤵
- Delays execution with timeout.exe
PID:4812

C:\Users\Admin\AppData\Roaming\svchost.exe
"C:\Users\Admin\AppData\Roaming\svchost.exe"
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3868

C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
4⤵
PID:3884

C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:912

C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
4⤵
PID:2044

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=1304 --field-trial-handle=2256,i,18272763564106695635,11201593968620719822,262144 --variations-seed-version /prefetch:8
1⤵
PID:8

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

4

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp6E98.tmp.bat
Filesize
151B

MD5
4d8fefc6017d7c2cd27a0fc398df980e

SHA1
3feb6cc125dd7e83a600ff6b7b74ce599d39be03

SHA256
e1f3b6fd1dbd3051f5d90608730b15ebdc6f05ccb6ed2562756484698b5c7631

SHA512
2b3cf9d270c525236faf7a19aa4d1eaaad795068716deb50f2c625b4b5317f37da40ffb8a5fdc9fe975db40dbf8e623d2a23353aed3d2fd20d8a7631868d27cf

Download Submit
C:\Users\Admin\AppData\Roaming\svchost.exe
Filesize
611KB

MD5
bb890594548df51e5957ca2445cd7fb8

SHA1
7aabf17acfff6e33ef68bbccea7b266a48205fff

SHA256
ce021aaca1ac091165c6bd6d9b27d41c0994d308f39bce54a5d7e59ba76a421e

SHA512
feaa88044792da5886b7fb4cf7eb4d67ca7be07b2376ae0e5d980be69c873f52db45eef9ab1e4b97f6dc9c1d99350fbbc579462bad7cb5bed49cbdb9752cd022

Download Submit
memory/912-21-0x0000000006330000-0x0000000006380000-memory.dmp

Filesize
320KB

Download
memory/912-18-0x0000000005390000-0x00000000053A0000-memory.dmp

Filesize
64KB

Download
memory/912-22-0x0000000006420000-0x00000000064B2000-memory.dmp

Filesize
584KB

Download
memory/912-20-0x0000000005560000-0x00000000055C6000-memory.dmp

Filesize
408KB

Download
memory/912-24-0x0000000074620000-0x0000000074DD0000-memory.dmp

Filesize
7.7MB

Download
memory/912-23-0x00000000063B0000-0x00000000063BA000-memory.dmp

Filesize
40KB

Download
memory/912-14-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/912-15-0x0000000074620000-0x0000000074DD0000-memory.dmp

Filesize
7.7MB

Download
memory/912-16-0x0000000005A10000-0x0000000005FB4000-memory.dmp

Filesize
5.6MB

Download
memory/912-25-0x0000000005390000-0x00000000053A0000-memory.dmp

Filesize
64KB

Download
memory/1912-3-0x0000023A6C8E0000-0x0000023A6C976000-memory.dmp

Filesize
600KB

Download
memory/1912-1-0x00007FF858720000-0x00007FF8591E1000-memory.dmp

Filesize
10.8MB

Download
memory/1912-9-0x00007FF858720000-0x00007FF8591E1000-memory.dmp

Filesize
10.8MB

Download
memory/1912-0-0x0000023A6A0D0000-0x0000023A6A0DC000-memory.dmp

Filesize
48KB

Download
memory/1912-2-0x0000023A6C5C0000-0x0000023A6C5D0000-memory.dmp

Filesize
64KB

Download
memory/3868-13-0x00007FF857D90000-0x00007FF858851000-memory.dmp

Filesize
10.8MB

Download
memory/3868-19-0x00007FF857D90000-0x00007FF858851000-memory.dmp

Filesize
10.8MB

Download
memory/3868-17-0x000002C13E600000-0x000002C13E7A9000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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