agenttesla | 44ef5a62b6a9c014ef9e13bb699b162ad599033040f0e59c89abb119da0c10b0

General

Target

Product_vershold_offersheet__sample_v1.exe
Size

598KB
MD5

80abf4b48ea624d88abb12c5057ac894
SHA1

374f6135d41b33ae95c8ec8ed1e364f819d928da
SHA256

5fd1a8e20efd63b0f47c74d6d85d280bce0fdf2e9843ffdf3461fc29ad26d9a7
SHA512

1ed3966c79259e6563f2066086a2506bf539554b59a2bf4674f3e5ec96292c0a664e209c2c03c869b2be0bb328efe893f82cb1271f20d28868b9da5923de9223

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.almushrefcoop.com
Port:
587
Username:
zainab@almushrefcoop.com
Password:
zainab123

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.almushrefcoop.com
Port:
587
Username:
zainab@almushrefcoop.com
Password:
zainab123

Signatures

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

AgentTesla Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1356-137-0x0000000000400000-0x0000000000452000-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

Processes:

Product_vershold_offersheet__sample_v1.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation	Product_vershold_offersheet__sample_v1.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

Processes:

Product_vershold_offersheet__sample_v1.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Product_vershold_offersheet__sample_v1.exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Product_vershold_offersheet__sample_v1.exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Product_vershold_offersheet__sample_v1.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Product_vershold_offersheet__sample_v1.exe

description	pid	process	target process
PID 2200 set thread context of 1356	2200	Product_vershold_offersheet__sample_v1.exe	Product_vershold_offersheet__sample_v1.exe

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

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
T1053

Processes:

schtasks.exe

pid process

4020 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Product_vershold_offersheet__sample_v1.exe

pid process

1356 Product_vershold_offersheet__sample_v1.exe
1356 Product_vershold_offersheet__sample_v1.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Product_vershold_offersheet__sample_v1.exe

description pid process

Token: SeDebugPrivilege 1356 Product_vershold_offersheet__sample_v1.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Product_vershold_offersheet__sample_v1.exe

pid process

1356 Product_vershold_offersheet__sample_v1.exe

pid	process
4020	schtasks.exe

pid	process
1356	Product_vershold_offersheet__sample_v1.exe
1356	Product_vershold_offersheet__sample_v1.exe

description	pid	process
Token: SeDebugPrivilege	1356	Product_vershold_offersheet__sample_v1.exe

pid	process
1356	Product_vershold_offersheet__sample_v1.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

Product_vershold_offersheet__sample_v1.exeProduct_vershold_offersheet__sample_v1.exe

description	pid	process	target process
PID 2200 wrote to memory of 4020	2200	Product_vershold_offersheet__sample_v1.exe	schtasks.exe
PID 2200 wrote to memory of 4020	2200	Product_vershold_offersheet__sample_v1.exe	schtasks.exe
PID 2200 wrote to memory of 4020	2200	Product_vershold_offersheet__sample_v1.exe	schtasks.exe
PID 2200 wrote to memory of 1356	2200	Product_vershold_offersheet__sample_v1.exe	Product_vershold_offersheet__sample_v1.exe
PID 2200 wrote to memory of 1356	2200	Product_vershold_offersheet__sample_v1.exe	Product_vershold_offersheet__sample_v1.exe
PID 2200 wrote to memory of 1356	2200	Product_vershold_offersheet__sample_v1.exe	Product_vershold_offersheet__sample_v1.exe
PID 2200 wrote to memory of 1356	2200	Product_vershold_offersheet__sample_v1.exe	Product_vershold_offersheet__sample_v1.exe
PID 2200 wrote to memory of 1356	2200	Product_vershold_offersheet__sample_v1.exe	Product_vershold_offersheet__sample_v1.exe
PID 2200 wrote to memory of 1356	2200	Product_vershold_offersheet__sample_v1.exe	Product_vershold_offersheet__sample_v1.exe
PID 2200 wrote to memory of 1356	2200	Product_vershold_offersheet__sample_v1.exe	Product_vershold_offersheet__sample_v1.exe
PID 2200 wrote to memory of 1356	2200	Product_vershold_offersheet__sample_v1.exe	Product_vershold_offersheet__sample_v1.exe
PID 1356 wrote to memory of 628	1356	Product_vershold_offersheet__sample_v1.exe	netsh.exe
PID 1356 wrote to memory of 628	1356	Product_vershold_offersheet__sample_v1.exe	netsh.exe
PID 1356 wrote to memory of 628	1356	Product_vershold_offersheet__sample_v1.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

Product_vershold_offersheet__sample_v1.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Product_vershold_offersheet__sample_v1.exe

outlook_win_path 1 IoCs

Processes:

Product_vershold_offersheet__sample_v1.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Product_vershold_offersheet__sample_v1.exe

C:\Users\Admin\AppData\Local\Temp\Product_vershold_offersheet__sample_v1.exe
"C:\Users\Admin\AppData\Local\Temp\Product_vershold_offersheet__sample_v1.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2200

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KZSxfbXjaf" /XML "C:\Users\Admin\AppData\Local\Temp\tmp186A.tmp"
2⤵
- Creates scheduled task(s)
PID:4020

C:\Users\Admin\AppData\Local\Temp\Product_vershold_offersheet__sample_v1.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:1356

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:628

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Product_vershold_offersheet__sample_v1.exe.log
Filesize
507B

MD5
ab4c71d3ff6255edd4e5c1e09540f49e

SHA1
22e06bf4e258741b5df918061871cba998c50cea

SHA256
1690fec628f775dd3c3385b800eed126b37978ef2ffd592b024052724caafb5a

SHA512
8fa7d0045796e6cda7c28e2b9a690ef550619828c1b5d0ebf8e8367aff4bf4d9f63121e5b4f199d30cb8006eb584c6767f4c59150749b8256dab9dd0ebd9f1af

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp186A.tmp
Filesize
1KB

MD5
ef6937bf81cc88e0309d3203925d6c5c

SHA1
f5ae0db87389004920aef2b3a0af3c9592fae76b

SHA256
53c2b88cd23a0a1c9353ce5f031e5b31ab30b14466de38e037dd4c9f1c9c1041

SHA512
a05a9127e51a9a01d3cff896d54007d93302c8cb26fd0ff4898cc1fa23e3254cfac2ebbd3cd2a91a4e095d47b20172435a64db7907abc041dc761caaeee00044

Download Submit
memory/628-140-0x0000000000000000-mapping.dmp

Download
memory/1356-139-0x0000000005D80000-0x0000000005DE6000-memory.dmp

Filesize
408KB

Download
memory/1356-136-0x0000000000000000-mapping.dmp

Download
memory/1356-137-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1356-141-0x0000000006AD0000-0x0000000006B20000-memory.dmp

Filesize
320KB

Download
memory/1356-142-0x0000000006E10000-0x0000000006E1A000-memory.dmp

Filesize
40KB

Download
memory/2200-133-0x0000000006370000-0x0000000006914000-memory.dmp

Filesize
5.6MB

Download
memory/2200-132-0x00000000054C0000-0x0000000005552000-memory.dmp

Filesize
584KB

Download
memory/2200-130-0x0000000000920000-0x00000000009BC000-memory.dmp

Filesize
624KB

Download
memory/2200-131-0x0000000005310000-0x00000000053AC000-memory.dmp

Filesize
624KB

Download
memory/4020-134-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads