agenttesla | fab1f7124ca0c06c148775005a8eee6401563bd74aaa8cc3bfbe5cfce0a47ac1

Analysis

max time kernel
31s
max time network
134s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
02/03/2023, 12:42

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General

Target
Bank Transfer.exe
Size 311KB
Sample230302-pxbtyscf2t
SHA256 25f79d0c4a4ed6b6e706b6cc4df77a0af567127215b001c331f66899cf38f363
MD5 e73346b97646026c4890573358adeb98
SHA1 e94b12526b49d02f87f12beeb692bafb9e7e626a
SHA512 65e6c53a1c1026a8cc83a8c3e8010959d15fee04473b0c244d334460247e1da67f2f7d591e983f801d5f379de64dad4c00fbbf458ef3fc7846cd1ae97f2e7412
SSDEEP 6144:PYa6AvbMD4P9WjkZHPaKDGVSIlYqkG04t33ItV1HVfHh6MQZL8lRXdA:PYWoD4P9k58qkZ4tcfHh6MQZeXdA
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

https://api.telegram.org/bot5662683474:AAFvSjyPXTiwhBPcFi8of3_-_FCdfhhN8x0/

Signatures

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

Executes dropped EXE 3 IoCs

pid	Process
1372	jvosbaohpj.exe
268	jvosbaohpj.exe
300	jvosbaohpj.exe

Loads dropped DLL 4 IoCs

pid	Process
1764	Bank Transfer.exe
1764	Bank Transfer.exe
1372	jvosbaohpj.exe
1372	jvosbaohpj.exe

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
T1081
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
T1081
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
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	jvosbaohpj.exe
Key opened	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	jvosbaohpj.exe
Key opened	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	jvosbaohpj.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Windows\CurrentVersion\Run\gpyeen = "C:\\Users\\Admin\\AppData\\Roaming\\ienwscx\\hqmvfbk.exe \"C:\\Users\\Admin\\AppData\\Local\\Temp\\jvosbaohpj.exe\" C:\\Users\\Admin\\AppData\\Local"	jvosbaohpj.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Windows\CurrentVersion\Run\zOwta = "C:\\Users\\Admin\\AppData\\Roaming\\zOwta\\zOwta.exe"	jvosbaohpj.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.

flow	ioc
4	api.ipify.org
3	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1372 set thread context of 300	1372	jvosbaohpj.exe	30

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
1372	jvosbaohpj.exe
1372	jvosbaohpj.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	300	jvosbaohpj.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
300	jvosbaohpj.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1764 wrote to memory of 1372	1764	Bank Transfer.exe	28
PID 1764 wrote to memory of 1372	1764	Bank Transfer.exe	28
PID 1764 wrote to memory of 1372	1764	Bank Transfer.exe	28
PID 1764 wrote to memory of 1372	1764	Bank Transfer.exe	28
PID 1372 wrote to memory of 268	1372	jvosbaohpj.exe	29
PID 1372 wrote to memory of 268	1372	jvosbaohpj.exe	29
PID 1372 wrote to memory of 268	1372	jvosbaohpj.exe	29
PID 1372 wrote to memory of 268	1372	jvosbaohpj.exe	29
PID 1372 wrote to memory of 300	1372	jvosbaohpj.exe	30
PID 1372 wrote to memory of 300	1372	jvosbaohpj.exe	30
PID 1372 wrote to memory of 300	1372	jvosbaohpj.exe	30
PID 1372 wrote to memory of 300	1372	jvosbaohpj.exe	30
PID 1372 wrote to memory of 300	1372	jvosbaohpj.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	jvosbaohpj.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	jvosbaohpj.exe

C:\Users\Admin\AppData\Local\Temp\Bank Transfer.exe
"C:\Users\Admin\AppData\Local\Temp\Bank Transfer.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1764
- C:\Users\Admin\AppData\Local\Temp\jvosbaohpj.exe
  "C:\Users\Admin\AppData\Local\Temp\jvosbaohpj.exe" C:\Users\Admin\AppData\Local\Temp\bkpogoynzr.ki
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:1372
- - C:\Users\Admin\AppData\Local\Temp\jvosbaohpj.exe
    "C:\Users\Admin\AppData\Local\Temp\jvosbaohpj.exe"
    3⤵
    - Executes dropped EXE
    PID:268
- - C:\Users\Admin\AppData\Local\Temp\jvosbaohpj.exe
    "C:\Users\Admin\AppData\Local\Temp\jvosbaohpj.exe"
    3⤵
    - Executes dropped EXE
    - Accesses Microsoft Outlook profiles
    - Adds Run key to start application
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - outlook_office_path
    - outlook_win_path
    PID:300

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

bkpogoynzr.ki

Path C:\Users\Admin\AppData\Local\Temp\bkpogoynzr.ki
Size 7KB
SHA256 d52dd6cfadf381629cccc83aad440cf1298b6b656d3b38f0b12f01db641e64af
MD5 67320e3184f6b0b484d5fb1e74d677af
SHA1 4028d8ec5cbeefbfed3272010035e61db03a0335
SHA512 1e96c54958bf17ef963d0897324866e04ffc56ff7d0d265b6bb2a18d8f33b59213057cac17232ba63d72ccfd43a5d4926178372f24c096b35e6696793c7c8441
SSDEEP 192:darcitQvArWiPv4Ab9JGDUOFnJEkT1m/KfVwkw7sM1D7:uCYrNPv4yCFnHpmifVwkhMx7
MD5 SHA1 SHA512 SSDEEP

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jvosbaohpj.exe

Path C:\Users\Admin\AppData\Local\Temp\jvosbaohpj.exe
Size 97KB
SHA256 edb1d933eff1e17034638778731df123537d369bb20682a8a5af376fd73e6055
MD5 b906ad3155a770a2711a00ff3ca7a106
SHA1 8c1add6a33f5c117e4e6cfff092739bf94b24da3
SHA512 acfedef13ec069f9bd311eeb7225aff2502c824000c852ee5cf90ac50591ee833ff4bcc22079d72dd533d2c79e9601a551b46c269513562ed5977d23a9aaff59
SSDEEP 3072:1FvI/QWJpWIXaX42vByg4POfafNTRrEQ52o6:odJCygpfafR9ENb
MD5 SHA1 SHA512 SSDEEP

Submit Download

jvosbaohpj.exe

Path C:\Users\Admin\AppData\Local\Temp\jvosbaohpj.exe
Size 97KB
SHA256 edb1d933eff1e17034638778731df123537d369bb20682a8a5af376fd73e6055
MD5 b906ad3155a770a2711a00ff3ca7a106
SHA1 8c1add6a33f5c117e4e6cfff092739bf94b24da3
SHA512 acfedef13ec069f9bd311eeb7225aff2502c824000c852ee5cf90ac50591ee833ff4bcc22079d72dd533d2c79e9601a551b46c269513562ed5977d23a9aaff59
SSDEEP 3072:1FvI/QWJpWIXaX42vByg4POfafNTRrEQ52o6:odJCygpfafR9ENb
MD5 SHA1 SHA512 SSDEEP

Submit Download

jvosbaohpj.exe

Path C:\Users\Admin\AppData\Local\Temp\jvosbaohpj.exe
Size 97KB
SHA256 edb1d933eff1e17034638778731df123537d369bb20682a8a5af376fd73e6055
MD5 b906ad3155a770a2711a00ff3ca7a106
SHA1 8c1add6a33f5c117e4e6cfff092739bf94b24da3
SHA512 acfedef13ec069f9bd311eeb7225aff2502c824000c852ee5cf90ac50591ee833ff4bcc22079d72dd533d2c79e9601a551b46c269513562ed5977d23a9aaff59
SSDEEP 3072:1FvI/QWJpWIXaX42vByg4POfafNTRrEQ52o6:odJCygpfafR9ENb
MD5 SHA1 SHA512 SSDEEP

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jvosbaohpj.exe

Path C:\Users\Admin\AppData\Local\Temp\jvosbaohpj.exe
Size 97KB
SHA256 edb1d933eff1e17034638778731df123537d369bb20682a8a5af376fd73e6055
MD5 b906ad3155a770a2711a00ff3ca7a106
SHA1 8c1add6a33f5c117e4e6cfff092739bf94b24da3
SHA512 acfedef13ec069f9bd311eeb7225aff2502c824000c852ee5cf90ac50591ee833ff4bcc22079d72dd533d2c79e9601a551b46c269513562ed5977d23a9aaff59
SSDEEP 3072:1FvI/QWJpWIXaX42vByg4POfafNTRrEQ52o6:odJCygpfafR9ENb
MD5 SHA1 SHA512 SSDEEP

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jvosbaohpj.exe

Path C:\Users\Admin\AppData\Local\Temp\jvosbaohpj.exe
Size 97KB
SHA256 edb1d933eff1e17034638778731df123537d369bb20682a8a5af376fd73e6055
MD5 b906ad3155a770a2711a00ff3ca7a106
SHA1 8c1add6a33f5c117e4e6cfff092739bf94b24da3
SHA512 acfedef13ec069f9bd311eeb7225aff2502c824000c852ee5cf90ac50591ee833ff4bcc22079d72dd533d2c79e9601a551b46c269513562ed5977d23a9aaff59
SSDEEP 3072:1FvI/QWJpWIXaX42vByg4POfafNTRrEQ52o6:odJCygpfafR9ENb
MD5 SHA1 SHA512 SSDEEP

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vfuhrbwwm.w

Path C:\Users\Admin\AppData\Local\Temp\vfuhrbwwm.w
Size 264KB
SHA256 ea155bc97b6de271401ab000bf45ec7ae99dd0f01b9c8d7d9d3c63a206609790
MD5 71c949eb41131798133f0cbd9d03fce0
SHA1 ebd75f6b44b9c2cd529bbe37de7ceea8044b81bc
SHA512 d7807825cb792fb3681863c55c88155e5dee9c4b625e9336caf7247881190b9707bbb3552f2477e9661ee222a9283514e66821a4bbc41c2c35cdfc588a45699c
SSDEEP 6144:oS3M1W8ptVFbPmd04/WEnw09EbTHJpPAGRk9mNhzM2NcX3+f:3cnptDbed7WEnV9EbTppPlzuE
MD5 SHA1 SHA512 SSDEEP

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jvosbaohpj.exe

Path \Users\Admin\AppData\Local\Temp\jvosbaohpj.exe
Size 97KB
SHA256 edb1d933eff1e17034638778731df123537d369bb20682a8a5af376fd73e6055
MD5 b906ad3155a770a2711a00ff3ca7a106
SHA1 8c1add6a33f5c117e4e6cfff092739bf94b24da3
SHA512 acfedef13ec069f9bd311eeb7225aff2502c824000c852ee5cf90ac50591ee833ff4bcc22079d72dd533d2c79e9601a551b46c269513562ed5977d23a9aaff59
SSDEEP 3072:1FvI/QWJpWIXaX42vByg4POfafNTRrEQ52o6:odJCygpfafR9ENb
MD5 SHA1 SHA512 SSDEEP

Submit Download

jvosbaohpj.exe

Path \Users\Admin\AppData\Local\Temp\jvosbaohpj.exe
Size 97KB
SHA256 edb1d933eff1e17034638778731df123537d369bb20682a8a5af376fd73e6055
MD5 b906ad3155a770a2711a00ff3ca7a106
SHA1 8c1add6a33f5c117e4e6cfff092739bf94b24da3
SHA512 acfedef13ec069f9bd311eeb7225aff2502c824000c852ee5cf90ac50591ee833ff4bcc22079d72dd533d2c79e9601a551b46c269513562ed5977d23a9aaff59
SSDEEP 3072:1FvI/QWJpWIXaX42vByg4POfafNTRrEQ52o6:odJCygpfafR9ENb
MD5 SHA1 SHA512 SSDEEP

Submit Download

jvosbaohpj.exe

Path \Users\Admin\AppData\Local\Temp\jvosbaohpj.exe
Size 97KB
SHA256 edb1d933eff1e17034638778731df123537d369bb20682a8a5af376fd73e6055
MD5 b906ad3155a770a2711a00ff3ca7a106
SHA1 8c1add6a33f5c117e4e6cfff092739bf94b24da3
SHA512 acfedef13ec069f9bd311eeb7225aff2502c824000c852ee5cf90ac50591ee833ff4bcc22079d72dd533d2c79e9601a551b46c269513562ed5977d23a9aaff59
SSDEEP 3072:1FvI/QWJpWIXaX42vByg4POfafNTRrEQ52o6:odJCygpfafR9ENb
MD5 SHA1 SHA512 SSDEEP

Submit Download

jvosbaohpj.exe

Path \Users\Admin\AppData\Local\Temp\jvosbaohpj.exe
Size 97KB
SHA256 edb1d933eff1e17034638778731df123537d369bb20682a8a5af376fd73e6055
MD5 b906ad3155a770a2711a00ff3ca7a106
SHA1 8c1add6a33f5c117e4e6cfff092739bf94b24da3
SHA512 acfedef13ec069f9bd311eeb7225aff2502c824000c852ee5cf90ac50591ee833ff4bcc22079d72dd533d2c79e9601a551b46c269513562ed5977d23a9aaff59
SSDEEP 3072:1FvI/QWJpWIXaX42vByg4POfafNTRrEQ52o6:odJCygpfafR9ENb
MD5 SHA1 SHA512 SSDEEP

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memory/300-72-0x0000000000400000-0x0000000000441000-memory.dmp

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memory/300-75-0x0000000000400000-0x0000000000441000-memory.dmp

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memory/300-77-0x0000000000400000-0x0000000000441000-memory.dmp

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memory/300-78-0x0000000000240000-0x0000000000270000-memory.dmp

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memory/300-79-0x0000000004980000-0x00000000049C0000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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