agenttesla | fd9725ecc7ed625c2174660e7f51f647fff9474f4c21c8ed84e0608bbcc5a409

General

Target

signed contract and order confirmation.exe
Size

583KB
MD5

d6f99a0cc11e32ea897bc97a319748ab
SHA1

006a848fd606c3799ef9ec23ff47fbb81900bc74
SHA256

fd9725ecc7ed625c2174660e7f51f647fff9474f4c21c8ed84e0608bbcc5a409
SHA512

dc1af6b89f41a83d9eb84304fb1e9dff8e62de312f6c1245f1d0850bebd0596ab99e3548df6b36d9db7bb953882c745ee8a94cc4a9258b447fc5dec0ffa9b621
SSDEEP

12288:TXe9PPlowWX0t6mOQwg1Qd15CcYk0We1FY/Hd2sQIsXSBBCWENB:6hloDX0XOf4Kd2EsCjCW+B

Score

10^/10

agenttesla credential_access discovery keylogger spyware stealer trojan upx

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.mahesh-ent.com
Port:
587
Username:
[email protected]
Password:
M@hesh3981
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4780-0-0x0000000000A00000-0x0000000000B54000-memory.dmp	upx
behavioral2/memory/4780-10-0x0000000000A00000-0x0000000000B54000-memory.dmp	upx

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
13	api.ipify.org
14	api.ipify.org

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/4780-10-0x0000000000A00000-0x0000000000B54000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4780 set thread context of 1032	4780	signed contract and order confirmation.exe	93

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	signed contract and order confirmation.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1032	RegSvcs.exe
1032	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4780	signed contract and order confirmation.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1032	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4780	signed contract and order confirmation.exe
4780	signed contract and order confirmation.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
4780	signed contract and order confirmation.exe
4780	signed contract and order confirmation.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1032	RegSvcs.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4780 wrote to memory of 1032	4780	signed contract and order confirmation.exe	93
PID 4780 wrote to memory of 1032	4780	signed contract and order confirmation.exe	93
PID 4780 wrote to memory of 1032	4780	signed contract and order confirmation.exe	93
PID 4780 wrote to memory of 1032	4780	signed contract and order confirmation.exe	93

C:\Users\Admin\AppData\Local\Temp\signed contract and order confirmation.exe
"C:\Users\Admin\AppData\Local\Temp\signed contract and order confirmation.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4780
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\signed contract and order confirmation.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1032

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 --field-trial-handle=4512,i,10597648459838880772,16562651767759956329,262144 --variations-seed-version --mojo-platform-channel-handle=4344 /prefetch:8
1⤵
PID:3472

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1032-16-0x0000000006BF0000-0x0000000006C82000-memory.dmp

Filesize
584KB

Download
memory/1032-8-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1032-11-0x00000000735CE000-0x00000000735CF000-memory.dmp

Filesize
4KB

Download
memory/1032-12-0x0000000005BE0000-0x0000000006184000-memory.dmp

Filesize
5.6MB

Download
memory/1032-13-0x0000000005800000-0x0000000005866000-memory.dmp

Filesize
408KB

Download
memory/1032-14-0x00000000735C0000-0x0000000073D70000-memory.dmp

Filesize
7.7MB

Download
memory/1032-15-0x0000000006B00000-0x0000000006B50000-memory.dmp

Filesize
320KB

Download
memory/1032-17-0x0000000006D80000-0x0000000006D8A000-memory.dmp

Filesize
40KB

Download
memory/1032-18-0x00000000735CE000-0x00000000735CF000-memory.dmp

Filesize
4KB

Download
memory/1032-19-0x00000000735C0000-0x0000000073D70000-memory.dmp

Filesize
7.7MB

Download
memory/4780-7-0x0000000001010000-0x0000000001410000-memory.dmp

Filesize
4.0MB

Download
memory/4780-10-0x0000000000A00000-0x0000000000B54000-memory.dmp

Filesize
1.3MB

Download
memory/4780-0-0x0000000000A00000-0x0000000000B54000-memory.dmp

Filesize
1.3MB

Download

Analysis

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