agenttesla | 960db67081f8b25865698988f9758d0c80a7601c8326902eb52d1fe8ae6b9f0e

Analysis

max time kernel
138s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
20-07-2024 01:05

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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

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
C:\Users\Admin\AppData\Local\Temp\build.exe	family_redline
behavioral4/memory/4448-74-0x00000000005F0000-0x0000000000642000-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

2540 powershell.exe
2396 powershell.exe

pid	process
2540	powershell.exe
2396	powershell.exe

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:

purchase order - PO-011024-201.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\Control Panel\International\Geo\Nation	purchase order - PO-011024-201.exe

Executes dropped EXE 2 IoCs

Processes:

newfile.exebuild.exe

pid process

60 newfile.exe
4448 build.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 512 set thread context of 5076 512 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

3684 schtasks.exe

pid	process
60	newfile.exe
4448	build.exe

description	pid	process	target process
PID 512 set thread context of 5076	512	purchase order - PO-011024-201.exe	RegSvcs.exe

pid	process
3684	schtasks.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

powershell.exepowershell.exenewfile.exebuild.exe

pid	process
2396	powershell.exe
2540	powershell.exe
2540	powershell.exe
2396	powershell.exe
60	newfile.exe
60	newfile.exe
60	newfile.exe
4448	build.exe
4448	build.exe
4448	build.exe
4448	build.exe
4448	build.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

powershell.exepowershell.exenewfile.exebuild.exe

description	pid	process
Token: SeDebugPrivilege	2540	powershell.exe
Token: SeDebugPrivilege	2396	powershell.exe
Token: SeDebugPrivilege	60	newfile.exe
Token: SeDebugPrivilege	4448	build.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

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

description	pid	process	target process
PID 512 wrote to memory of 2540	512	purchase order - PO-011024-201.exe	powershell.exe
PID 512 wrote to memory of 2540	512	purchase order - PO-011024-201.exe	powershell.exe
PID 512 wrote to memory of 2540	512	purchase order - PO-011024-201.exe	powershell.exe
PID 512 wrote to memory of 2396	512	purchase order - PO-011024-201.exe	powershell.exe
PID 512 wrote to memory of 2396	512	purchase order - PO-011024-201.exe	powershell.exe
PID 512 wrote to memory of 2396	512	purchase order - PO-011024-201.exe	powershell.exe
PID 512 wrote to memory of 3684	512	purchase order - PO-011024-201.exe	schtasks.exe
PID 512 wrote to memory of 3684	512	purchase order - PO-011024-201.exe	schtasks.exe
PID 512 wrote to memory of 3684	512	purchase order - PO-011024-201.exe	schtasks.exe
PID 512 wrote to memory of 5076	512	purchase order - PO-011024-201.exe	RegSvcs.exe
PID 512 wrote to memory of 5076	512	purchase order - PO-011024-201.exe	RegSvcs.exe
PID 512 wrote to memory of 5076	512	purchase order - PO-011024-201.exe	RegSvcs.exe
PID 512 wrote to memory of 5076	512	purchase order - PO-011024-201.exe	RegSvcs.exe
PID 512 wrote to memory of 5076	512	purchase order - PO-011024-201.exe	RegSvcs.exe
PID 512 wrote to memory of 5076	512	purchase order - PO-011024-201.exe	RegSvcs.exe
PID 512 wrote to memory of 5076	512	purchase order - PO-011024-201.exe	RegSvcs.exe
PID 512 wrote to memory of 5076	512	purchase order - PO-011024-201.exe	RegSvcs.exe
PID 5076 wrote to memory of 60	5076	RegSvcs.exe	newfile.exe
PID 5076 wrote to memory of 60	5076	RegSvcs.exe	newfile.exe
PID 5076 wrote to memory of 60	5076	RegSvcs.exe	newfile.exe
PID 5076 wrote to memory of 4448	5076	RegSvcs.exe	build.exe
PID 5076 wrote to memory of 4448	5076	RegSvcs.exe	build.exe
PID 5076 wrote to memory of 4448	5076	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⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:512

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:2540

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:2396

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OHWUgA" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF55C.tmp"
2⤵
- Scheduled Task/Job: Scheduled Task
PID:3684

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:5076

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:60

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:4448

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
3d086a433708053f9bf9523e1d87a4e8

SHA1
b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

SHA256
6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

SHA512
931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
7cb45e7735c8653908cd5078daeafe9e

SHA1
4b852eac6a625f7ec02fef2dad3c77c38d7c2a18

SHA256
e1f657cf043a2b3cf545150c7b16f206c56e65e9aef89649b84752ca1d985551

SHA512
4030bc1d1fd6df3ae4a6a7519a25d5b252cd1a99b5f5ee5462ab1af1f5f10690d69e3318c3d3653cb93fd03e439f338fcc225645287e94b6051cf1d0f686c085

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_iwylq1zr.qav.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\build.exe

Filesize
300KB

MD5
f438d85cb04ea1b9fa4e32cfd4b28d0f

SHA1
3a0dd7cd2036b41fb5982e98c798802f8af619ac

SHA256
fada9b55d3b3995f6bddb357370843fced984832063945eac08b6eb182fced52

SHA512
e21c8b975c3a5de7500ffd4dc97e8a3062ce4314bf749df5ab3c9f09bbc9f94324afca9149ee11769efd5e76971b0e67baf39c3961f3a1dfec8596c20fa7069b

Download Submit
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\tmpF55C.tmp

Filesize
1KB

MD5
f79134a821a20ee1205973e43f58bafe

SHA1
75d290f28c58d7ddd35c5075e2d37c251869cdbb

SHA256
6e3711d25aaaf6818da6fb1672918d86baee40e5cab71a0262bada9364b65075

SHA512
ecda59ce66a97d06e4b3d70b6625d539886a5a96694ef5f706af31dbd05157e31b8e5a4fcaa127d4e91c6ec74535c1f92e8b60e9913e3aa77dc7471b72ca2dac

Download Submit
memory/60-118-0x0000000005FB0000-0x0000000006000000-memory.dmp

Filesize
320KB

Download
memory/60-69-0x00000000008B0000-0x00000000008F0000-memory.dmp

Filesize
256KB

Download
memory/512-4-0x0000000074590000-0x0000000074D40000-memory.dmp

Filesize
7.7MB

Download
memory/512-9-0x00000000085D0000-0x000000000866C000-memory.dmp

Filesize
624KB

Download
memory/512-8-0x0000000005E50000-0x0000000005F20000-memory.dmp

Filesize
832KB

Download
memory/512-7-0x0000000005E00000-0x0000000005E0E000-memory.dmp

Filesize
56KB

Download
memory/512-6-0x0000000004E40000-0x0000000004E5A000-memory.dmp

Filesize
104KB

Download
memory/512-5-0x0000000004BF0000-0x0000000004BFA000-memory.dmp

Filesize
40KB

Download
memory/512-3-0x0000000004B40000-0x0000000004BD2000-memory.dmp

Filesize
584KB

Download
memory/512-0-0x000000007459E000-0x000000007459F000-memory.dmp

Filesize
4KB

Download
memory/512-2-0x0000000005050000-0x00000000055F4000-memory.dmp

Filesize
5.6MB

Download
memory/512-50-0x0000000074590000-0x0000000074D40000-memory.dmp

Filesize
7.7MB

Download
memory/512-1-0x0000000000050000-0x000000000014A000-memory.dmp

Filesize
1000KB

Download
memory/2396-19-0x0000000074590000-0x0000000074D40000-memory.dmp

Filesize
7.7MB

Download
memory/2396-91-0x0000000007AB0000-0x0000000007B53000-memory.dmp

Filesize
652KB

Download
memory/2396-117-0x0000000074590000-0x0000000074D40000-memory.dmp

Filesize
7.7MB

Download
memory/2396-110-0x0000000007EF0000-0x0000000007EF8000-memory.dmp

Filesize
32KB

Download
memory/2396-108-0x0000000007E10000-0x0000000007E24000-memory.dmp

Filesize
80KB

Download
memory/2396-107-0x0000000007E00000-0x0000000007E0E000-memory.dmp

Filesize
56KB

Download
memory/2396-106-0x0000000007DD0000-0x0000000007DE1000-memory.dmp

Filesize
68KB

Download
memory/2396-21-0x0000000074590000-0x0000000074D40000-memory.dmp

Filesize
7.7MB

Download
memory/2396-102-0x0000000008210000-0x000000000888A000-memory.dmp

Filesize
6.5MB

Download
memory/2396-103-0x0000000007BD0000-0x0000000007BEA000-memory.dmp

Filesize
104KB

Download
memory/2396-18-0x0000000074590000-0x0000000074D40000-memory.dmp

Filesize
7.7MB

Download
memory/2396-79-0x0000000007870000-0x00000000078A2000-memory.dmp

Filesize
200KB

Download
memory/2396-90-0x0000000006EA0000-0x0000000006EBE000-memory.dmp

Filesize
120KB

Download
memory/2396-80-0x000000006F570000-0x000000006F5BC000-memory.dmp

Filesize
304KB

Download
memory/2540-48-0x0000000005E60000-0x0000000005E7E000-memory.dmp

Filesize
120KB

Download
memory/2540-14-0x0000000002550000-0x0000000002586000-memory.dmp

Filesize
216KB

Download
memory/2540-104-0x0000000007200000-0x000000000720A000-memory.dmp

Filesize
40KB

Download
memory/2540-105-0x0000000007410000-0x00000000074A6000-memory.dmp

Filesize
600KB

Download
memory/2540-116-0x0000000074590000-0x0000000074D40000-memory.dmp

Filesize
7.7MB

Download
memory/2540-25-0x00000000057E0000-0x0000000005846000-memory.dmp

Filesize
408KB

Download
memory/2540-17-0x0000000074590000-0x0000000074D40000-memory.dmp

Filesize
7.7MB

Download
memory/2540-92-0x000000006F570000-0x000000006F5BC000-memory.dmp

Filesize
304KB

Download
memory/2540-20-0x0000000074590000-0x0000000074D40000-memory.dmp

Filesize
7.7MB

Download
memory/2540-49-0x00000000063C0000-0x000000000640C000-memory.dmp

Filesize
304KB

Download
memory/2540-15-0x0000000074590000-0x0000000074D40000-memory.dmp

Filesize
7.7MB

Download
memory/2540-16-0x0000000004FE0000-0x0000000005608000-memory.dmp

Filesize
6.2MB

Download
memory/2540-24-0x0000000005770000-0x00000000057D6000-memory.dmp

Filesize
408KB

Download
memory/2540-23-0x00000000056D0000-0x00000000056F2000-memory.dmp

Filesize
136KB

Download
memory/2540-47-0x0000000005850000-0x0000000005BA4000-memory.dmp

Filesize
3.3MB

Download
memory/2540-109-0x00000000074D0000-0x00000000074EA000-memory.dmp

Filesize
104KB

Download
memory/4448-77-0x00000000051A0000-0x00000000051B2000-memory.dmp

Filesize
72KB

Download
memory/4448-76-0x0000000005270000-0x000000000537A000-memory.dmp

Filesize
1.0MB

Download
memory/4448-120-0x0000000007300000-0x000000000782C000-memory.dmp

Filesize
5.2MB

Download
memory/4448-74-0x00000000005F0000-0x0000000000642000-memory.dmp

Filesize
328KB

Download
memory/4448-75-0x0000000006170000-0x0000000006788000-memory.dmp

Filesize
6.1MB

Download
memory/4448-119-0x0000000006C00000-0x0000000006DC2000-memory.dmp

Filesize
1.8MB

Download
memory/4448-78-0x0000000005200000-0x000000000523C000-memory.dmp

Filesize
240KB

Download
memory/5076-31-0x0000000000400000-0x000000000048E000-memory.dmp

Filesize
568KB

Download