agenttesla | 960db67081f8b25865698988f9758d0c80a7601c8326902eb52d1fe8ae6b9f0e

General

Target

purchase order - PO-011024-201.exe
Size

975KB
MD5

fb5123fc6707fe4e06c962b5aa7d8f1d
SHA1

a06b21030a4dcd1b9e987c13742be49540c5ee46
SHA256

7306a090c8afd7557dc6a32f072937107058f5d14b5d416730b189647980b757
SHA512

a7261913938b0acf68b74a7ab54ada022f27e33ecdd5c07d6cdb7d939ab2ee0dbfafa6548fc022f2e08e796200df7fbce49a913bad1182d1772cc5d3a3235c5a
SSDEEP

24576:+2BL9SiKt1yowjwQ9Bj+20sOZgSGnS3ewqm:+2BL9SiA81N0seGnS3q

Score

10^/10

agenttesla redline bigpay discovery execution infostealer keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.iaa-airferight.com
Port:
587
Username:
[email protected]
Password:
manlikeyou88
Email To:
[email protected]

Extracted

Family

redline

Botnet

bigpay

C2

204.10.160.140:7001

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
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
\Users\Admin\AppData\Local\Temp\build.exe	family_redline
behavioral3/memory/2368-47-0x00000000003E0000-0x0000000000432000-memory.dmp	family_redline

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
execution

PowerShell
T1059.001

Processes:

powershell.exepowershell.exe

pid process

2528 powershell.exe
2800 powershell.exe
Executes dropped EXE 2 IoCs

Processes:

newfile.exebuild.exe

pid process

2908 newfile.exe
2368 build.exe
Loads dropped DLL 2 IoCs

Processes:

RegSvcs.exe

pid process

264 RegSvcs.exe
264 RegSvcs.exe
Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
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
T1552.001
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
T1552.001
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
T1552.001
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001
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
Suspicious use of SetThreadContext 1 IoCs

Processes:

purchase order - PO-011024-201.exe

description pid process target process

PID 2724 set thread context of 264 2724 purchase order - PO-011024-201.exe RegSvcs.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence execution

Scheduled Task
T1053.005

Processes:

schtasks.exe

pid process

2720 schtasks.exe
Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

powershell.exepowershell.exenewfile.exebuild.exe

pid process

2528 powershell.exe
2800 powershell.exe
2908 newfile.exe
2908 newfile.exe
2368 build.exe
2368 build.exe
2368 build.exe

pid	process
2528	powershell.exe
2800	powershell.exe

pid	process
2908	newfile.exe
2368	build.exe

pid	process
264	RegSvcs.exe
264	RegSvcs.exe

description	pid	process	target process
PID 2724 set thread context of 264	2724	purchase order - PO-011024-201.exe	RegSvcs.exe

pid	process
2720	schtasks.exe

pid	process
2528	powershell.exe
2800	powershell.exe
2908	newfile.exe
2908	newfile.exe
2368	build.exe
2368	build.exe
2368	build.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

powershell.exepowershell.exenewfile.exebuild.exe

description	pid	process
Token: SeDebugPrivilege	2528	powershell.exe
Token: SeDebugPrivilege	2800	powershell.exe
Token: SeDebugPrivilege	2908	newfile.exe
Token: SeDebugPrivilege	2368	build.exe

Suspicious use of WriteProcessMemory 32 IoCs

Processes:

purchase order - PO-011024-201.exeRegSvcs.exe

description	pid	process	target process
PID 2724 wrote to memory of 2800	2724	purchase order - PO-011024-201.exe	powershell.exe
PID 2724 wrote to memory of 2800	2724	purchase order - PO-011024-201.exe	powershell.exe
PID 2724 wrote to memory of 2800	2724	purchase order - PO-011024-201.exe	powershell.exe
PID 2724 wrote to memory of 2800	2724	purchase order - PO-011024-201.exe	powershell.exe
PID 2724 wrote to memory of 2528	2724	purchase order - PO-011024-201.exe	powershell.exe
PID 2724 wrote to memory of 2528	2724	purchase order - PO-011024-201.exe	powershell.exe
PID 2724 wrote to memory of 2528	2724	purchase order - PO-011024-201.exe	powershell.exe
PID 2724 wrote to memory of 2528	2724	purchase order - PO-011024-201.exe	powershell.exe
PID 2724 wrote to memory of 2720	2724	purchase order - PO-011024-201.exe	schtasks.exe
PID 2724 wrote to memory of 2720	2724	purchase order - PO-011024-201.exe	schtasks.exe
PID 2724 wrote to memory of 2720	2724	purchase order - PO-011024-201.exe	schtasks.exe
PID 2724 wrote to memory of 2720	2724	purchase order - PO-011024-201.exe	schtasks.exe
PID 2724 wrote to memory of 264	2724	purchase order - PO-011024-201.exe	RegSvcs.exe
PID 2724 wrote to memory of 264	2724	purchase order - PO-011024-201.exe	RegSvcs.exe
PID 2724 wrote to memory of 264	2724	purchase order - PO-011024-201.exe	RegSvcs.exe
PID 2724 wrote to memory of 264	2724	purchase order - PO-011024-201.exe	RegSvcs.exe
PID 2724 wrote to memory of 264	2724	purchase order - PO-011024-201.exe	RegSvcs.exe
PID 2724 wrote to memory of 264	2724	purchase order - PO-011024-201.exe	RegSvcs.exe
PID 2724 wrote to memory of 264	2724	purchase order - PO-011024-201.exe	RegSvcs.exe
PID 2724 wrote to memory of 264	2724	purchase order - PO-011024-201.exe	RegSvcs.exe
PID 2724 wrote to memory of 264	2724	purchase order - PO-011024-201.exe	RegSvcs.exe
PID 2724 wrote to memory of 264	2724	purchase order - PO-011024-201.exe	RegSvcs.exe
PID 2724 wrote to memory of 264	2724	purchase order - PO-011024-201.exe	RegSvcs.exe
PID 2724 wrote to memory of 264	2724	purchase order - PO-011024-201.exe	RegSvcs.exe
PID 264 wrote to memory of 2908	264	RegSvcs.exe	newfile.exe
PID 264 wrote to memory of 2908	264	RegSvcs.exe	newfile.exe
PID 264 wrote to memory of 2908	264	RegSvcs.exe	newfile.exe
PID 264 wrote to memory of 2908	264	RegSvcs.exe	newfile.exe
PID 264 wrote to memory of 2368	264	RegSvcs.exe	build.exe
PID 264 wrote to memory of 2368	264	RegSvcs.exe	build.exe
PID 264 wrote to memory of 2368	264	RegSvcs.exe	build.exe
PID 264 wrote to memory of 2368	264	RegSvcs.exe	build.exe

C:\Users\Admin\AppData\Local\Temp\purchase order - PO-011024-201.exe
"C:\Users\Admin\AppData\Local\Temp\purchase order - PO-011024-201.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2724

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\purchase order - PO-011024-201.exe"
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2800

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\OHWUgA.exe"
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2528

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OHWUgA" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9E61.tmp"
2⤵
- Scheduled Task/Job: Scheduled Task
PID:2720

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:264

C:\Users\Admin\AppData\Local\Temp\newfile.exe
"C:\Users\Admin\AppData\Local\Temp\newfile.exe"
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2908

C:\Users\Admin\AppData\Local\Temp\build.exe
"C:\Users\Admin\AppData\Local\Temp\build.exe"
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2368

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Unsecured Credentials

5

T1552

Credentials In Files

4

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

5

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\newfile.exe

Filesize
234KB

MD5
8234c3ec3aba620ca36e9d5629e3db74

SHA1
09d5b639a270fb4cbf45b2b454db96cc1035a768

SHA256
acff54dc41a4f979a5054bc43649e097472904293fa9c4d23048b30a57bc3149

SHA512
651c26e080b704189266ecb1daca88d1a3f4e67075f362055bd57b1bea52dbb181c299129b503b8674e9c89af5c1455a03abcf7ad417ed8cbbc7c0f7311f6c16

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp9E61.tmp

Filesize
1KB

MD5
b94c376d9d264d04f07d34df6ee49f70

SHA1
b8db15d9532ddb0ecc6c672932ca5d39f96f5f5d

SHA256
ade5cc2b2efbe44b508c9349ce19255af4029f27021b3440cb76d72f162160a0

SHA512
f4e17411eed64d243207d54dc205f33326c11fef95e4f93e8fe9e273b1d3d0b12415124db35cfbcfd8a93e3884368e0f7dbe8947c92a0f34b21d3b63550da933

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
f06714512d35c6c64266015f045b93ee

SHA1
887b59d1dfdeb79b63c8d26707acf7d0e5907e01

SHA256
0fccd7e747b25fdfb7c1b5f9655b1042d0bfc767f097d99afa6ee8f420cf9dbc

SHA512
800bd3df19b6489dcaf1ed3c39e870b272ae66d9a1d488ef1665aced9914411e05469d11ed8a3cb0154db85d8005636c0ee20bc818462966acfeafd8f30684cd

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\Users\Admin\AppData\Local\Temp\build.exe

Filesize
300KB

MD5
f438d85cb04ea1b9fa4e32cfd4b28d0f

SHA1
3a0dd7cd2036b41fb5982e98c798802f8af619ac

SHA256
fada9b55d3b3995f6bddb357370843fced984832063945eac08b6eb182fced52

SHA512
e21c8b975c3a5de7500ffd4dc97e8a3062ce4314bf749df5ab3c9f09bbc9f94324afca9149ee11769efd5e76971b0e67baf39c3961f3a1dfec8596c20fa7069b

Download Submit
memory/264-20-0x0000000000400000-0x000000000048E000-memory.dmp

Filesize
568KB

Download
memory/264-24-0x0000000000400000-0x000000000048E000-memory.dmp

Filesize
568KB

Download
memory/264-30-0x0000000000400000-0x000000000048E000-memory.dmp

Filesize
568KB

Download
memory/264-22-0x0000000000400000-0x000000000048E000-memory.dmp

Filesize
568KB

Download
memory/264-18-0x0000000000400000-0x000000000048E000-memory.dmp

Filesize
568KB

Download
memory/264-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/264-28-0x0000000000400000-0x000000000048E000-memory.dmp

Filesize
568KB

Download
memory/264-27-0x0000000000400000-0x000000000048E000-memory.dmp

Filesize
568KB

Download
memory/2368-47-0x00000000003E0000-0x0000000000432000-memory.dmp

Filesize
328KB

Download
memory/2724-32-0x00000000745C0000-0x0000000074CAE000-memory.dmp

Filesize
6.9MB

Download
memory/2724-5-0x0000000004F80000-0x0000000005050000-memory.dmp

Filesize
832KB

Download
memory/2724-3-0x0000000000480000-0x000000000049A000-memory.dmp

Filesize
104KB

Download
memory/2724-0-0x00000000745CE000-0x00000000745CF000-memory.dmp

Filesize
4KB

Download
memory/2724-4-0x00000000005F0000-0x00000000005FE000-memory.dmp

Filesize
56KB

Download
memory/2724-2-0x00000000745C0000-0x0000000074CAE000-memory.dmp

Filesize
6.9MB

Download
memory/2724-1-0x0000000000850000-0x000000000094A000-memory.dmp

Filesize
1000KB

Download
memory/2908-40-0x0000000000D00000-0x0000000000D40000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads