agenttesla | ef2833e4a9105c4bc75c7eb02d8acf6daf867f1806ca5df324266d53d6127a47

General

Target

SKM-492529641769427.exe
Size

280KB
MD5

cfe10af037457a861e4d9d961833934d
SHA1

f18ba9fda50f44e59773b5a5d2bd9914bba2dfd9
SHA256

ef2833e4a9105c4bc75c7eb02d8acf6daf867f1806ca5df324266d53d6127a47
SHA512

2235ee924b26cf257805bada6f5a7f9dc3b9ddea14345c8da32fdd36a7543cadc10b13c361673e7b66df61751ae47cfe0a06ea7d31f572a637bb472c3c15828c

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot1900836728:AAEDyoYbBJwtt1EA4hdgRlGTN1cq760KPNU/sendDocument

Signatures

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

AgentTesla Payload 4 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4056-116-0x0000000000400000-0x000000000044B000-memory.dmp	family_agenttesla
behavioral2/memory/4056-117-0x000000000040188B-mapping.dmp	family_agenttesla
behavioral2/memory/4056-118-0x00000000047C0000-0x00000000047F6000-memory.dmp	family_agenttesla
behavioral2/memory/4056-122-0x0000000000400000-0x000000000044B000-memory.dmp	family_agenttesla

Loads dropped DLL 1 IoCs

Processes:

SKM-492529641769427.exe

pid process

5072 SKM-492529641769427.exe
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

pid	process
5072	SKM-492529641769427.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

SKM-492529641769427.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SKM-492529641769427.exe
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SKM-492529641769427.exe
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SKM-492529641769427.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

SKM-492529641769427.exe

description pid process target process

PID 5072 set thread context of 4056 5072 SKM-492529641769427.exe SKM-492529641769427.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

SKM-492529641769427.exe

pid process

4056 SKM-492529641769427.exe
4056 SKM-492529641769427.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

SKM-492529641769427.exe

description pid process

Token: SeDebugPrivilege 4056 SKM-492529641769427.exe

description	pid	process	target process
PID 5072 set thread context of 4056	5072	SKM-492529641769427.exe	SKM-492529641769427.exe

pid	process
4056	SKM-492529641769427.exe
4056	SKM-492529641769427.exe

description	pid	process
Token: SeDebugPrivilege	4056	SKM-492529641769427.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

SKM-492529641769427.exe

description	pid	process	target process
PID 5072 wrote to memory of 4056	5072	SKM-492529641769427.exe	SKM-492529641769427.exe
PID 5072 wrote to memory of 4056	5072	SKM-492529641769427.exe	SKM-492529641769427.exe
PID 5072 wrote to memory of 4056	5072	SKM-492529641769427.exe	SKM-492529641769427.exe
PID 5072 wrote to memory of 4056	5072	SKM-492529641769427.exe	SKM-492529641769427.exe
PID 5072 wrote to memory of 4056	5072	SKM-492529641769427.exe	SKM-492529641769427.exe
PID 5072 wrote to memory of 4056	5072	SKM-492529641769427.exe	SKM-492529641769427.exe
PID 5072 wrote to memory of 4056	5072	SKM-492529641769427.exe	SKM-492529641769427.exe
PID 5072 wrote to memory of 4056	5072	SKM-492529641769427.exe	SKM-492529641769427.exe
PID 5072 wrote to memory of 4056	5072	SKM-492529641769427.exe	SKM-492529641769427.exe
PID 5072 wrote to memory of 4056	5072	SKM-492529641769427.exe	SKM-492529641769427.exe

outlook_office_path 1 IoCs

Processes:

SKM-492529641769427.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SKM-492529641769427.exe

outlook_win_path 1 IoCs

Processes:

SKM-492529641769427.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SKM-492529641769427.exe

C:\Users\Admin\AppData\Local\Temp\SKM-492529641769427.exe
"C:\Users\Admin\AppData\Local\Temp\SKM-492529641769427.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5072

C:\Users\Admin\AppData\Local\Temp\SKM-492529641769427.exe
"C:\Users\Admin\AppData\Local\Temp\SKM-492529641769427.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4056

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\nsjF464.tmp\ilrl.dll
MD5
76edb1ef7191b88b1f7aef00578fa233

SHA1
ac139239a33a9c5010498682842598b3db8cfe47

SHA256
d443dbd070c2c9bfc89727fbba164ead77f562cf29f959762342807ca4f42704

SHA512
111ad9c3b7ba63ba9a44e3bd73049469d6fd6f159a2dc7447b1e7ac0ae342fe091e235582a9990213e703323a7afeb96fc1d756576da5dbae8d1ad96641e769d

Download Submit
memory/4056-116-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4056-117-0x000000000040188B-mapping.dmp

Download
memory/4056-118-0x00000000047C0000-0x00000000047F6000-memory.dmp

Filesize
216KB

Download
memory/4056-120-0x0000000004880000-0x0000000004881000-memory.dmp

Filesize
4KB

Download
memory/4056-121-0x0000000004F00000-0x0000000004F01000-memory.dmp

Filesize
4KB

Download
memory/4056-122-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/4056-123-0x0000000004870000-0x0000000004871000-memory.dmp

Filesize
4KB

Download
memory/4056-124-0x0000000004872000-0x0000000004873000-memory.dmp

Filesize
4KB

Download
memory/4056-125-0x0000000004873000-0x0000000004874000-memory.dmp

Filesize
4KB

Download
memory/4056-126-0x0000000004874000-0x0000000004875000-memory.dmp

Filesize
4KB

Download
memory/4056-127-0x00000000057B0000-0x00000000057B1000-memory.dmp

Filesize
4KB

Download
memory/4056-128-0x00000000057E0000-0x00000000057E1000-memory.dmp

Filesize
4KB

Download
memory/4056-129-0x00000000007E0000-0x00000000007E1000-memory.dmp

Filesize
4KB

Download
memory/4056-130-0x00000000007B0000-0x00000000007B1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads