agenttesla | 07f71531fb540881da4f829038da3222e3fea6c27b2aeecefb9208bca648daf8

General

Target

489e95811f4464a98cb9c2ed1bccea96.exe
Size

1.1MB
MD5

489e95811f4464a98cb9c2ed1bccea96
SHA1

f68b4a40405b598f92f1319af286735851340d3e
SHA256

07f71531fb540881da4f829038da3222e3fea6c27b2aeecefb9208bca648daf8
SHA512

0774ddeabd257c69822f4fbdeb836c0e02439a974d2a63a532d841893d02cbaf670f45a47a97b79ddf568756c6ad95e9c0be52e975712560638384af087a7201
SSDEEP

24576:8AOcZ6JVYy0kWE8Q2Qe0E3fhNQXNmrK4VEZe:qhjT8Q2FOIrK+Es

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
secure219.inmotionhosting.com
Port:
587
Username:
[email protected]
Password:
7mgTt7O(h.O64J@

Signatures

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

AgentTesla payload 2 IoCs

resource	yara_rule
behavioral2/memory/4372-58-0x0000000001300000-0x0000000001833000-memory.dmp	family_agenttesla
behavioral2/memory/4372-59-0x0000000001300000-0x000000000133C000-memory.dmp	family_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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\Control Panel\International\Geo\Nation	489e95811f4464a98cb9c2ed1bccea96.exe

Executes dropped EXE 1 IoCs

pid	Process
684	ofilnbjgki.pif

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 684 set thread context of 4372	684	ofilnbjgki.pif	100

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
4372	RegSvcs.exe
4372	RegSvcs.exe
4372	RegSvcs.exe
4372	RegSvcs.exe
4372	RegSvcs.exe
4372	RegSvcs.exe
4372	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4372	RegSvcs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4372	RegSvcs.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2248 wrote to memory of 684	2248	489e95811f4464a98cb9c2ed1bccea96.exe	91
PID 2248 wrote to memory of 684	2248	489e95811f4464a98cb9c2ed1bccea96.exe	91
PID 2248 wrote to memory of 684	2248	489e95811f4464a98cb9c2ed1bccea96.exe	91
PID 684 wrote to memory of 4372	684	ofilnbjgki.pif	100
PID 684 wrote to memory of 4372	684	ofilnbjgki.pif	100
PID 684 wrote to memory of 4372	684	ofilnbjgki.pif	100
PID 684 wrote to memory of 4372	684	ofilnbjgki.pif	100
PID 684 wrote to memory of 4372	684	ofilnbjgki.pif	100

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\489e95811f4464a98cb9c2ed1bccea96.exe
"C:\Users\Admin\AppData\Local\Temp\489e95811f4464a98cb9c2ed1bccea96.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2248
- C:\Users\Admin\AppData\Local\Temp\84449387\ofilnbjgki.pif
  "C:\Users\Admin\AppData\Local\Temp\84449387\ofilnbjgki.pif" pfllofdnw.nfo
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:684
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - Accesses Microsoft Outlook profiles
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - outlook_office_path
    - outlook_win_path
    PID:4372

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\84449387\ofilnbjgki.pif

Filesize
185KB

MD5
c53f46bc24bd50b6c67013ec8d091319

SHA1
0d0fc9c63dd6b8dcb47827c3dab6cd2e8146854a

SHA256
3e9f819de3e4efb896b3cc5251a077ee8a797f94323bcbdd27d51c198b0b722f

SHA512
529f6dfe16cdfc8b1e28fbfb94eac66b0c888bdbb3120847bd0049ac8f04496ff49be791f2873c64eda96fbbedfbf2f66172d3b9e89f84a9b187ec924fba2929

Download Submit
C:\Users\Admin\AppData\Local\Temp\84449387\ofilnbjgki.pif

Filesize
128KB

MD5
ee39c6b9f2ec2f83b2cccc8e5e7f7b43

SHA1
0215ae4a2734fdc1f0203a9f6ca39fe4ced81f2f

SHA256
4838394bbdd106da74ec8e288aa7030e835c44ef0560ad3351301c1abe14ff11

SHA512
5a181ffd2ae94349c680a1d8ea3055842b01924a558c42c8c56ae24f816b79ea3d5bd9c416a71a0bb1cd15749c939007999b4a82b20d9a0868a811c45252631d

Download Submit
C:\Users\Admin\AppData\Local\Temp\84449387\teuigc.bin

Filesize
471KB

MD5
c6f8960edc54314eb1106bd3d9a83725

SHA1
37728656e978b48d52b0bfe602203a2e08f77426

SHA256
38a4146e366adcc56b146c713d00754c81318a5f757b7d7be5f1cfbf900040ee

SHA512
d6886d4b93215294d1f6c1ba3a968364e562f0bee037be3efa3a121892c76b6dcd398a18d854d00ae587cf566c4a6922efc9b8ec4d06b5b57db34cae31e4f097

Download Submit
memory/4372-63-0x0000000006200000-0x0000000006210000-memory.dmp

Filesize
64KB

Download
memory/4372-59-0x0000000001300000-0x000000000133C000-memory.dmp

Filesize
240KB

Download
memory/4372-60-0x00000000727D0000-0x0000000072F80000-memory.dmp

Filesize
7.7MB

Download
memory/4372-61-0x00000000065F0000-0x0000000006B94000-memory.dmp

Filesize
5.6MB

Download
memory/4372-62-0x0000000005F70000-0x0000000006002000-memory.dmp

Filesize
584KB

Download
memory/4372-58-0x0000000001300000-0x0000000001833000-memory.dmp

Filesize
5.2MB

Download
memory/4372-64-0x0000000006210000-0x00000000062AC000-memory.dmp

Filesize
624KB

Download
memory/4372-65-0x00000000061E0000-0x00000000061F8000-memory.dmp

Filesize
96KB

Download
memory/4372-66-0x0000000006E50000-0x0000000006EB6000-memory.dmp

Filesize
408KB

Download
memory/4372-67-0x00000000727D0000-0x0000000072F80000-memory.dmp

Filesize
7.7MB

Download
memory/4372-68-0x0000000006200000-0x0000000006210000-memory.dmp

Filesize
64KB

Download
memory/4372-69-0x0000000001C90000-0x0000000001CE0000-memory.dmp

Filesize
320KB

Download
memory/4372-70-0x0000000001D10000-0x0000000001D1A000-memory.dmp

Filesize
40KB

Download

Analysis

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