agenttesla | 96e0c00307bf79e2654ea97fb673dd755d2d3e2ea9e17fbc774b286f6d4c3273

Analysis

max time kernel
86s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
04/05/2022, 07:47

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General

Target
Request For Quotation.exe
Size 267KB
Sample220504-jmh8dsddf4
SHA256 96e0c00307bf79e2654ea97fb673dd755d2d3e2ea9e17fbc774b286f6d4c3273
MD5 7da1f74d38eb06c304c996974548962c
SHA1 384eb34766b7a7814ec6c74e0bbc4f5476ca3d55
SHA512 77ae5fa8467d1b3791593bc03988b6241422080b53bb57b1203512773a1456881bb6d7e9e82d4b2c33412d385c63e814c98083b3e8fc30d1bf8e58db5d9710cc
MD5 SHA1 SHA512

Score

10^/10

agenttesla collection keylogger persistence spyware stealer suricata trojan

Malware Config

Extracted

Credentials

Protocol
smtp
Host
mail.nexcourier.ae
Port
587
Username
[email protected]
Password
hGu)/6EVD8W$

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
suricata: ET MALWARE AgentTesla Exfil Via SMTP
suricata: ET MALWARE AgentTesla Exfil Via SMTP
suricata

Executes dropped EXE 2 IoCs

pid	Process
2340	qoxrzsfb.exe
4548	qoxrzsfb.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

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MyAPP = "C:\\Users\\Admin\\AppData\\Roaming\\MyAPP\\MyAPP.exe"	qoxrzsfb.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2340 set thread context of 4548	2340	qoxrzsfb.exe	83

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4548	qoxrzsfb.exe
4548	qoxrzsfb.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4548	qoxrzsfb.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3180 wrote to memory of 2340	3180	Request For Quotation.exe	82
PID 3180 wrote to memory of 2340	3180	Request For Quotation.exe	82
PID 3180 wrote to memory of 2340	3180	Request For Quotation.exe	82
PID 2340 wrote to memory of 4548	2340	qoxrzsfb.exe	83
PID 2340 wrote to memory of 4548	2340	qoxrzsfb.exe	83
PID 2340 wrote to memory of 4548	2340	qoxrzsfb.exe	83
PID 2340 wrote to memory of 4548	2340	qoxrzsfb.exe	83
PID 2340 wrote to memory of 4548	2340	qoxrzsfb.exe	83
PID 2340 wrote to memory of 4548	2340	qoxrzsfb.exe	83
PID 2340 wrote to memory of 4548	2340	qoxrzsfb.exe	83
PID 2340 wrote to memory of 4548	2340	qoxrzsfb.exe	83
PID 2340 wrote to memory of 4548	2340	qoxrzsfb.exe	83

outlook_office_path 1 IoCs

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

outlook_win_path 1 IoCs

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	qoxrzsfb.exe

C:\Users\Admin\AppData\Local\Temp\Request For Quotation.exe
"C:\Users\Admin\AppData\Local\Temp\Request For Quotation.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3180
- C:\Users\Admin\AppData\Local\Temp\qoxrzsfb.exe
  C:\Users\Admin\AppData\Local\Temp\qoxrzsfb.exe C:\Users\Admin\AppData\Local\Temp\egqxhc
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:2340
- - C:\Users\Admin\AppData\Local\Temp\qoxrzsfb.exe
    C:\Users\Admin\AppData\Local\Temp\qoxrzsfb.exe C:\Users\Admin\AppData\Local\Temp\egqxhc
    3⤵
    - Executes dropped EXE
    - Accesses Microsoft Outlook profiles
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - outlook_office_path
    - outlook_win_path
    PID:4548

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

egqxhc

Path C:\Users\Admin\AppData\Local\Temp\egqxhc
Size 5KB
SHA256 f567f1d60eff990cbe0a283bf8977b6234c41ab4394d2d74ba5a7b4991302a41
MD5 2277b7e13fe24da8a7dcfb3f92850327
SHA1 d0a29733f10d8b2080eb84d1f2d80b845bc4b7fa
SHA512 ab5663e6a2063bd75dac5e72ebb2be09a1ac9cdba58f4401256422854a6e47fdabcfc0e7096d7d8ca2d032851d8c722f075e1814886fba381c1f093b711783e5
SSDEEP 96:5so8UxnwLf8FoOsf5OFyxXEPEF+3d4zqtE3u547OSIBboAqw8X1qgAXsHzD:5sZUqLxrEPEEt2CE3um7OSeQF5PTD
MD5 SHA1 SHA512 SSDEEP

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qoxrzsfb.exe

Path C:\Users\Admin\AppData\Local\Temp\qoxrzsfb.exe
Size 5KB
SHA256 b44d9ea06943bc03c21c988c6d5540ec79c94ad4ea51c25dcd59d7bb584289de
MD5 f44b746b9b3401c09e19e1c5ec6d2d98
SHA1 8b0a18c37e820008f735d986f94458771d2ec05b
SHA512 5d7263aa51241516bb594672378ecb4285597f2d99835fd6c1099cf91c3e988933a54c475931257c858af20b1b64af4c103e63a595259179ab2cffcc25adfa4d
SSDEEP 48:Sp9V4cNNOFacqcaHScQGaHQyMd/hcrgScQ4Q0dQZ+hRP2bv0D4LS0MK0w/fcefhi:Ubp01mdjmktargd1RW2K0w/ke5rpx
MD5 SHA1 SHA512 SSDEEP

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qoxrzsfb.exe

Path C:\Users\Admin\AppData\Local\Temp\qoxrzsfb.exe
Size 5KB
SHA256 b44d9ea06943bc03c21c988c6d5540ec79c94ad4ea51c25dcd59d7bb584289de
MD5 f44b746b9b3401c09e19e1c5ec6d2d98
SHA1 8b0a18c37e820008f735d986f94458771d2ec05b
SHA512 5d7263aa51241516bb594672378ecb4285597f2d99835fd6c1099cf91c3e988933a54c475931257c858af20b1b64af4c103e63a595259179ab2cffcc25adfa4d
SSDEEP 48:Sp9V4cNNOFacqcaHScQGaHQyMd/hcrgScQ4Q0dQZ+hRP2bv0D4LS0MK0w/fcefhi:Ubp01mdjmktargd1RW2K0w/ke5rpx
MD5 SHA1 SHA512 SSDEEP

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qoxrzsfb.exe

Path C:\Users\Admin\AppData\Local\Temp\qoxrzsfb.exe
Size 5KB
SHA256 b44d9ea06943bc03c21c988c6d5540ec79c94ad4ea51c25dcd59d7bb584289de
MD5 f44b746b9b3401c09e19e1c5ec6d2d98
SHA1 8b0a18c37e820008f735d986f94458771d2ec05b
SHA512 5d7263aa51241516bb594672378ecb4285597f2d99835fd6c1099cf91c3e988933a54c475931257c858af20b1b64af4c103e63a595259179ab2cffcc25adfa4d
SSDEEP 48:Sp9V4cNNOFacqcaHScQGaHQyMd/hcrgScQ4Q0dQZ+hRP2bv0D4LS0MK0w/fcefhi:Ubp01mdjmktargd1RW2K0w/ke5rpx
MD5 SHA1 SHA512 SSDEEP

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xirn3phh9u

Path C:\Users\Admin\AppData\Local\Temp\xirn3phh9u
Size 279KB
SHA256 0262ca7dcc2894638f0cb00b0401ea8d0caabe2c6f6e241e649bdbcd30488580
MD5 8d32583110d88d3a6bc2e90e28e69272
SHA1 48326755910106ad10d69c34aae1d1782678d349
SHA512 4d6ec33d6f7d110598f5ccfaa54a5e73805570eac0f7c91c59d8c41757859a1168e1e52e73126685afcd5a8e70f53bf8e89e6a8335c592c9c6232622c73d1bc8
SSDEEP 6144:yNqKSXWsUVppBpsg+n2NZhl45WFMAi05wwIlpcs75RjJAZjKtyi:GKXjUVl+2Nt4gPieS7xAZ6yi
MD5 SHA1 SHA512 SSDEEP

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memory/4548-136-0x0000000000400000-0x0000000000449000-memory.dmp

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memory/4548-138-0x0000000000400000-0x0000000000449000-memory.dmp

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memory/4548-139-0x0000000000400000-0x0000000000449000-memory.dmp

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memory/4548-140-0x0000000000400000-0x0000000000449000-memory.dmp

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memory/4548-141-0x0000000004A60000-0x0000000005004000-memory.dmp

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memory/4548-142-0x0000000005010000-0x00000000050AC000-memory.dmp

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memory/4548-143-0x0000000005970000-0x00000000059D6000-memory.dmp

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memory/4548-144-0x0000000005DC0000-0x0000000005E10000-memory.dmp

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memory/4548-145-0x0000000005F80000-0x0000000006012000-memory.dmp

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memory/4548-146-0x0000000006050000-0x000000000605A000-memory.dmp

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