agenttesla | 21e329ad1a25176e7e17f0215f3fb95e723942e30b0f8eb6b478023dd0a36746

Analysis

max time kernel
123s
max time network
140s
platform
windows10_x64
resource
win10-en-20211014
submitted
21-10-2021 05:56

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General

Target

0189603e1f23a9b8726e345a4f0f463f.exe
Size

923KB
MD5

0189603e1f23a9b8726e345a4f0f463f
SHA1

415a8a780ad010025e409e33d6a8ad259f605042
SHA256

21e329ad1a25176e7e17f0215f3fb95e723942e30b0f8eb6b478023dd0a36746
SHA512

f8332f923bde2b55888dd1ba2d6460b2f54d5b7699c048546505cff63bd3239339a1cfc06ae70da2bb549db572e0b5c7f2c71b8f5c7ee243ffb0d83f3f67e3e2

Score

10^/10

agenttesla asyncrat redline snakekeylogger default professor collection discovery infostealer keylogger rat spyware stealer suricata trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.bursaplastik.com
Port:
587
Username:
[email protected]
Password:
ahm155

Extracted

Family

redline

Botnet

professor

91.92.109.70:9412

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

91.92.109.70:5353

Mutex

AsyncMutex_6SI8OkPnk

Attributes

anti_vm
false
bsod
false
delay
3
install
false
install_folder
%AppData%
pastebin_config
null

aes.plain

Extracted

Family

snakekeylogger

https://api.telegram.org/bot1982610890:AAFCcNp1Tl28ILhhdWKR-lR4Xpa_V1kwvCk/sendMessage?chat_id=860277004

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
AsyncRat
AsyncRAT is designed to remotely monitor and control other computers.
rat asyncrat
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
infostealer redline

RedLine Payload 2 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\Doc2.exe	family_redline
C:\Users\Admin\AppData\Local\Temp\Doc2.exe	family_redline

Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
stealer keylogger snakekeylogger
suricata: ET MALWARE Observed Malicious SSL Cert (AsyncRAT Server)
suricata: ET MALWARE Observed Malicious SSL Cert (AsyncRAT Server)
suricata

AgentTesla Payload 2 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\shawori4.0.exe	family_agenttesla
C:\Users\Admin\AppData\Local\Temp\shawori4.0.exe	family_agenttesla

Async RAT payload 2 IoCs

rat

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\Doc.exe	asyncrat
C:\Users\Admin\AppData\Local\Temp\Doc.exe	asyncrat

Executes dropped EXE 4 IoCs

Processes:

shawori4.0.exeDoc2.exeDoc.exeshaw snake 4.0.exe

pid process

2980 shawori4.0.exe
640 Doc2.exe
1148 Doc.exe
1388 shaw snake 4.0.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

pid	process
2980	shawori4.0.exe
640	Doc2.exe
1148	Doc.exe
1388	shaw snake 4.0.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

shaw snake 4.0.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	shaw snake 4.0.exe
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	shaw snake 4.0.exe
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	shaw snake 4.0.exe

Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

40 checkip.dyndns.org
43 freegeoip.app
44 freegeoip.app
Suspicious use of SetThreadContext 1 IoCs

Processes:

0189603e1f23a9b8726e345a4f0f463f.exe

description pid process target process

PID 4024 set thread context of 3192 4024 0189603e1f23a9b8726e345a4f0f463f.exe 0189603e1f23a9b8726e345a4f0f463f.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

3136 schtasks.exe

flow	ioc
40	checkip.dyndns.org
43	freegeoip.app
44	freegeoip.app

description	pid	process	target process
PID 4024 set thread context of 3192	4024	0189603e1f23a9b8726e345a4f0f463f.exe	0189603e1f23a9b8726e345a4f0f463f.exe

pid	process
3136	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

Processes:

0189603e1f23a9b8726e345a4f0f463f.exeshawori4.0.exeshaw snake 4.0.exeDoc2.exe

pid	process
4024	0189603e1f23a9b8726e345a4f0f463f.exe
4024	0189603e1f23a9b8726e345a4f0f463f.exe
4024	0189603e1f23a9b8726e345a4f0f463f.exe
4024	0189603e1f23a9b8726e345a4f0f463f.exe
4024	0189603e1f23a9b8726e345a4f0f463f.exe
4024	0189603e1f23a9b8726e345a4f0f463f.exe
4024	0189603e1f23a9b8726e345a4f0f463f.exe
2980	shawori4.0.exe
2980	shawori4.0.exe
1388	shaw snake 4.0.exe
640	Doc2.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

0189603e1f23a9b8726e345a4f0f463f.exeshawori4.0.exeshaw snake 4.0.exeDoc.exeDoc2.exe

description	pid	process
Token: SeDebugPrivilege	4024	0189603e1f23a9b8726e345a4f0f463f.exe
Token: SeDebugPrivilege	2980	shawori4.0.exe
Token: SeDebugPrivilege	1388	shaw snake 4.0.exe
Token: SeDebugPrivilege	1148	Doc.exe
Token: SeDebugPrivilege	640	Doc2.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

0189603e1f23a9b8726e345a4f0f463f.exe0189603e1f23a9b8726e345a4f0f463f.exe

description	pid	process	target process
PID 4024 wrote to memory of 3136	4024	0189603e1f23a9b8726e345a4f0f463f.exe	schtasks.exe
PID 4024 wrote to memory of 3136	4024	0189603e1f23a9b8726e345a4f0f463f.exe	schtasks.exe
PID 4024 wrote to memory of 3136	4024	0189603e1f23a9b8726e345a4f0f463f.exe	schtasks.exe
PID 4024 wrote to memory of 3192	4024	0189603e1f23a9b8726e345a4f0f463f.exe	0189603e1f23a9b8726e345a4f0f463f.exe
PID 4024 wrote to memory of 3192	4024	0189603e1f23a9b8726e345a4f0f463f.exe	0189603e1f23a9b8726e345a4f0f463f.exe
PID 4024 wrote to memory of 3192	4024	0189603e1f23a9b8726e345a4f0f463f.exe	0189603e1f23a9b8726e345a4f0f463f.exe
PID 4024 wrote to memory of 3192	4024	0189603e1f23a9b8726e345a4f0f463f.exe	0189603e1f23a9b8726e345a4f0f463f.exe
PID 4024 wrote to memory of 3192	4024	0189603e1f23a9b8726e345a4f0f463f.exe	0189603e1f23a9b8726e345a4f0f463f.exe
PID 4024 wrote to memory of 3192	4024	0189603e1f23a9b8726e345a4f0f463f.exe	0189603e1f23a9b8726e345a4f0f463f.exe
PID 4024 wrote to memory of 3192	4024	0189603e1f23a9b8726e345a4f0f463f.exe	0189603e1f23a9b8726e345a4f0f463f.exe
PID 4024 wrote to memory of 3192	4024	0189603e1f23a9b8726e345a4f0f463f.exe	0189603e1f23a9b8726e345a4f0f463f.exe
PID 3192 wrote to memory of 2980	3192	0189603e1f23a9b8726e345a4f0f463f.exe	shawori4.0.exe
PID 3192 wrote to memory of 2980	3192	0189603e1f23a9b8726e345a4f0f463f.exe	shawori4.0.exe
PID 3192 wrote to memory of 2980	3192	0189603e1f23a9b8726e345a4f0f463f.exe	shawori4.0.exe
PID 3192 wrote to memory of 640	3192	0189603e1f23a9b8726e345a4f0f463f.exe	Doc2.exe
PID 3192 wrote to memory of 640	3192	0189603e1f23a9b8726e345a4f0f463f.exe	Doc2.exe
PID 3192 wrote to memory of 640	3192	0189603e1f23a9b8726e345a4f0f463f.exe	Doc2.exe
PID 3192 wrote to memory of 1148	3192	0189603e1f23a9b8726e345a4f0f463f.exe	Doc.exe
PID 3192 wrote to memory of 1148	3192	0189603e1f23a9b8726e345a4f0f463f.exe	Doc.exe
PID 3192 wrote to memory of 1148	3192	0189603e1f23a9b8726e345a4f0f463f.exe	Doc.exe
PID 3192 wrote to memory of 1388	3192	0189603e1f23a9b8726e345a4f0f463f.exe	shaw snake 4.0.exe
PID 3192 wrote to memory of 1388	3192	0189603e1f23a9b8726e345a4f0f463f.exe	shaw snake 4.0.exe
PID 3192 wrote to memory of 1388	3192	0189603e1f23a9b8726e345a4f0f463f.exe	shaw snake 4.0.exe

outlook_office_path 1 IoCs

Processes:

shaw snake 4.0.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	shaw snake 4.0.exe

outlook_win_path 1 IoCs

Processes:

shaw snake 4.0.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	shaw snake 4.0.exe

C:\Users\Admin\AppData\Local\Temp\0189603e1f23a9b8726e345a4f0f463f.exe
"C:\Users\Admin\AppData\Local\Temp\0189603e1f23a9b8726e345a4f0f463f.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4024

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vOUbYWeBQhU" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA479.tmp"
2⤵
- Creates scheduled task(s)
PID:3136

C:\Users\Admin\AppData\Local\Temp\0189603e1f23a9b8726e345a4f0f463f.exe
"C:\Users\Admin\AppData\Local\Temp\0189603e1f23a9b8726e345a4f0f463f.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3192

C:\Users\Admin\AppData\Local\Temp\shawori4.0.exe
"C:\Users\Admin\AppData\Local\Temp\shawori4.0.exe"
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2980

C:\Users\Admin\AppData\Local\Temp\Doc2.exe
"C:\Users\Admin\AppData\Local\Temp\Doc2.exe"
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:640

C:\Users\Admin\AppData\Local\Temp\Doc.exe
"C:\Users\Admin\AppData\Local\Temp\Doc.exe"
3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1148

C:\Users\Admin\AppData\Local\Temp\shaw snake 4.0.exe
"C:\Users\Admin\AppData\Local\Temp\shaw snake 4.0.exe"
3⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1388

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\0189603e1f23a9b8726e345a4f0f463f.exe.log
MD5
0c2899d7c6746f42d5bbe088c777f94c

SHA1
622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1

SHA256
5b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458

SHA512
ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078

Download Submit
C:\Users\Admin\AppData\Local\Temp\Doc.exe
MD5
ff911b01de9c67664cbeebf071651d9b

SHA1
a4965610cb6f0a28f29d64977c1535a80ff78792

SHA256
75958183900ca3ae5e707883fac463595f5b9faf79ebe14166987abceacd91a9

SHA512
bbe15c5e94e89c138503e6790cf186ee7e854e78a4f5c7c743bead341eeb23468e04fbbaf5f6c642f3409e32d62e6ac525548b97f05c67b18150a470b98e238c

Download Submit
C:\Users\Admin\AppData\Local\Temp\Doc.exe
MD5
ff911b01de9c67664cbeebf071651d9b

SHA1
a4965610cb6f0a28f29d64977c1535a80ff78792

SHA256
75958183900ca3ae5e707883fac463595f5b9faf79ebe14166987abceacd91a9

SHA512
bbe15c5e94e89c138503e6790cf186ee7e854e78a4f5c7c743bead341eeb23468e04fbbaf5f6c642f3409e32d62e6ac525548b97f05c67b18150a470b98e238c

Download Submit
C:\Users\Admin\AppData\Local\Temp\Doc2.exe
MD5
f824b1597b0746ebeee1679d0b5dcc20

SHA1
00f489e1ccf525375e65fa8b7f5e2c3e805af195

SHA256
69cccd5a3c14567765d9ab3c826dbf37c3a82c8c477e3070460c8eb7935dd3f8

SHA512
43507337e82242141499a9b987303c1dbcffb9c7674dedd92317c7fe519a615db9b836f0367706a043861635e9305f220dbb4a6781cd34e75ef95469995da057

Download Submit
C:\Users\Admin\AppData\Local\Temp\Doc2.exe
MD5
f824b1597b0746ebeee1679d0b5dcc20

SHA1
00f489e1ccf525375e65fa8b7f5e2c3e805af195

SHA256
69cccd5a3c14567765d9ab3c826dbf37c3a82c8c477e3070460c8eb7935dd3f8

SHA512
43507337e82242141499a9b987303c1dbcffb9c7674dedd92317c7fe519a615db9b836f0367706a043861635e9305f220dbb4a6781cd34e75ef95469995da057

Download Submit
C:\Users\Admin\AppData\Local\Temp\shaw snake 4.0.exe
MD5
00bbb41ac9e00544de16a8328c0fc897

SHA1
b4fcda6c599ed90229094df77d3b4c5eb2e73c94

SHA256
01f13fca1b5e671d54999a10a6081e51fae1b37e907a29d800241202f69a196b

SHA512
30ac40ace33d6b2693fb9f8910d3b5bf656fb2974551bed20982f2d0a8cb834cdb2a1246fce736371e1f76f0d4a10a8549d41ddd4940f2aef60548de54fadfcb

Download Submit
C:\Users\Admin\AppData\Local\Temp\shaw snake 4.0.exe
MD5
00bbb41ac9e00544de16a8328c0fc897

SHA1
b4fcda6c599ed90229094df77d3b4c5eb2e73c94

SHA256
01f13fca1b5e671d54999a10a6081e51fae1b37e907a29d800241202f69a196b

SHA512
30ac40ace33d6b2693fb9f8910d3b5bf656fb2974551bed20982f2d0a8cb834cdb2a1246fce736371e1f76f0d4a10a8549d41ddd4940f2aef60548de54fadfcb

Download Submit
C:\Users\Admin\AppData\Local\Temp\shawori4.0.exe
MD5
b2d8b1dbac147077cae57ee37de6f696

SHA1
b288a5e3602d7ae8dc36dd599a96db18505ea34b

SHA256
38cef761a233c69139074ba5366dbadba96a30035d29bd684fd985f3ea903fcd

SHA512
546c7e49a40fde647045c5af19a6761c79ae92377f3802c72c4491ab290f49dfba10fd6d44d9b38fda00860a9e6ec6ab79ad61fbee2d3cb3aeacc0a7a663f3ba

Download Submit
C:\Users\Admin\AppData\Local\Temp\shawori4.0.exe
MD5
b2d8b1dbac147077cae57ee37de6f696

SHA1
b288a5e3602d7ae8dc36dd599a96db18505ea34b

SHA256
38cef761a233c69139074ba5366dbadba96a30035d29bd684fd985f3ea903fcd

SHA512
546c7e49a40fde647045c5af19a6761c79ae92377f3802c72c4491ab290f49dfba10fd6d44d9b38fda00860a9e6ec6ab79ad61fbee2d3cb3aeacc0a7a663f3ba

Download Submit
memory/640-176-0x0000000006C10000-0x0000000006C11000-memory.dmp

Filesize
4KB

Download
memory/640-180-0x0000000006CB0000-0x0000000006CB1000-memory.dmp

Filesize
4KB

Download
memory/640-149-0x0000000000C00000-0x0000000000C01000-memory.dmp

Filesize
4KB

Download
memory/640-174-0x00000000070C0000-0x00000000070C1000-memory.dmp

Filesize
4KB

Download
memory/640-162-0x0000000002F60000-0x0000000002F61000-memory.dmp

Filesize
4KB

Download
memory/640-188-0x0000000007C60000-0x0000000007C61000-memory.dmp

Filesize
4KB

Download
memory/640-163-0x0000000002F10000-0x0000000002F11000-memory.dmp

Filesize
4KB

Download
memory/640-137-0x0000000000000000-mapping.dmp

Download
memory/640-160-0x00000000054D0000-0x00000000054D1000-memory.dmp

Filesize
4KB

Download
memory/640-159-0x00000000055E0000-0x00000000055E1000-memory.dmp

Filesize
4KB

Download
memory/640-158-0x0000000002ED0000-0x0000000002ED1000-memory.dmp

Filesize
4KB

Download
memory/640-155-0x0000000005AE0000-0x0000000005AE1000-memory.dmp

Filesize
4KB

Download
memory/1148-167-0x00000000052D0000-0x00000000052D1000-memory.dmp

Filesize
4KB

Download
memory/1148-139-0x0000000000000000-mapping.dmp

Download
memory/1148-186-0x0000000006FC0000-0x0000000007019000-memory.dmp

Filesize
356KB

Download
memory/1148-185-0x0000000006E30000-0x0000000006EBD000-memory.dmp

Filesize
564KB

Download
memory/1148-184-0x00000000069E0000-0x00000000069E4000-memory.dmp

Filesize
16KB

Download
memory/1148-183-0x0000000006A70000-0x0000000006A71000-memory.dmp

Filesize
4KB

Download
memory/1148-143-0x0000000000980000-0x0000000000981000-memory.dmp

Filesize
4KB

Download
memory/1148-179-0x0000000006810000-0x0000000006889000-memory.dmp

Filesize
484KB

Download
memory/1148-170-0x0000000005810000-0x0000000005811000-memory.dmp

Filesize
4KB

Download
memory/1388-153-0x0000000000160000-0x0000000000161000-memory.dmp

Filesize
4KB

Download
memory/1388-147-0x0000000000000000-mapping.dmp

Download
memory/1388-161-0x00000000049A0000-0x0000000004A3C000-memory.dmp

Filesize
624KB

Download
memory/1388-164-0x0000000005D30000-0x0000000005D31000-memory.dmp

Filesize
4KB

Download
memory/2980-171-0x0000000004EA0000-0x0000000004EA1000-memory.dmp

Filesize
4KB

Download
memory/2980-145-0x0000000004D30000-0x000000000522E000-memory.dmp

Filesize
5.0MB

Download
memory/2980-134-0x00000000004C0000-0x00000000004C1000-memory.dmp

Filesize
4KB

Download
memory/2980-131-0x0000000000000000-mapping.dmp

Download
memory/3136-124-0x0000000000000000-mapping.dmp

Download
memory/3192-144-0x0000000000C90000-0x0000000000C91000-memory.dmp

Filesize
4KB

Download
memory/3192-126-0x00000000004AA63E-mapping.dmp

Download
memory/3192-125-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4024-119-0x0000000004CD0000-0x00000000051CE000-memory.dmp

Filesize
5.0MB

Download
memory/4024-115-0x0000000000360000-0x0000000000361000-memory.dmp

Filesize
4KB

Download
memory/4024-123-0x0000000008920000-0x00000000089EE000-memory.dmp

Filesize
824KB

Download
memory/4024-121-0x0000000004F00000-0x0000000004F07000-memory.dmp

Filesize
28KB

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memory/4024-122-0x00000000086E0000-0x00000000086E1000-memory.dmp

Filesize
4KB

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memory/4024-117-0x00000000051D0000-0x00000000051D1000-memory.dmp

Filesize
4KB

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memory/4024-118-0x0000000004CD0000-0x0000000004CD1000-memory.dmp

Filesize
4KB

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memory/4024-120-0x0000000004C70000-0x0000000004C71000-memory.dmp

Filesize
4KB

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