agenttesla | 6631aace38dd7550a1a18350a43606bc2eb26380cc99fd6acafdf75f226498bb

General

Target

doc01002372.exe
Size

331KB
MD5

91697062207628ac69072dfa42c0b59d
SHA1

3900d82634526d2701f6febe4975f8ac84b56a4b
SHA256

6631aace38dd7550a1a18350a43606bc2eb26380cc99fd6acafdf75f226498bb
SHA512

4bb68522386ca17a580f2667fcfcdf823d0a3b44ad069034208c77966d4dccfc84c30735a3940649eb5a9e1a91894f1aad1b26943f7cf4cf20e45036de1785c9
SSDEEP

6144:wYa6R3QL/klDalb8eNatTpTemlJtu1lXLS7wAW6MhEt1LC:wYH3No8/TpT5xuu3W6zt1LC

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Signatures

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

Loads dropped DLL 1 IoCs

pid	Process
1512	doc01002372.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-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	doc01002372.exe
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	doc01002372.exe
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	doc01002372.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1512 set thread context of 4900	1512	doc01002372.exe	84

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4900	doc01002372.exe
4900	doc01002372.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1512	doc01002372.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4900	doc01002372.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1512 wrote to memory of 4900	1512	doc01002372.exe	84
PID 1512 wrote to memory of 4900	1512	doc01002372.exe	84
PID 1512 wrote to memory of 4900	1512	doc01002372.exe	84
PID 1512 wrote to memory of 4900	1512	doc01002372.exe	84

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	doc01002372.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	doc01002372.exe

C:\Users\Admin\AppData\Local\Temp\doc01002372.exe
"C:\Users\Admin\AppData\Local\Temp\doc01002372.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1512
- C:\Users\Admin\AppData\Local\Temp\doc01002372.exe
  "C:\Users\Admin\AppData\Local\Temp\doc01002372.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4900

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nse6C3E.tmp\wiuiz.dll

Filesize
80KB

MD5
aa10117686c34ab60bc5dab1af3a8ec0

SHA1
a20b8f5cc7eff0fb32767c29d36cd5994b86cfc7

SHA256
eedf97e49ffd43fe6a1e1fd312a96bd1d1b6efe3bc19ce52e96aa8300315f443

SHA512
6ed1f7b36d738b09fa193b286181331731d2d0360485ed6c023ab06ee8e6426550112a289ebfce033d2d30f222efa703ea351026e3f879fa41f4bc559e30df4b

Download Submit
memory/4900-139-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/4900-140-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/4900-141-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/4900-142-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/4900-143-0x0000000004AA0000-0x0000000005044000-memory.dmp

Filesize
5.6MB

Download
memory/4900-144-0x0000000004A90000-0x0000000004AA0000-memory.dmp

Filesize
64KB

Download
memory/4900-145-0x0000000004A90000-0x0000000004AA0000-memory.dmp

Filesize
64KB

Download
memory/4900-146-0x0000000004A90000-0x0000000004AA0000-memory.dmp

Filesize
64KB

Download
memory/4900-147-0x00000000049F0000-0x0000000004A56000-memory.dmp

Filesize
408KB

Download
memory/4900-148-0x0000000004A90000-0x0000000004AA0000-memory.dmp

Filesize
64KB

Download
memory/4900-149-0x00000000055A0000-0x00000000055F0000-memory.dmp

Filesize
320KB

Download
memory/4900-150-0x00000000055F0000-0x00000000057B2000-memory.dmp

Filesize
1.8MB

Download
memory/4900-151-0x00000000057C0000-0x0000000005852000-memory.dmp

Filesize
584KB

Download
memory/4900-152-0x00000000058C0000-0x00000000058CA000-memory.dmp

Filesize
40KB

Download
memory/4900-154-0x0000000004A90000-0x0000000004AA0000-memory.dmp

Filesize
64KB

Download
memory/4900-155-0x0000000004A90000-0x0000000004AA0000-memory.dmp

Filesize
64KB

Download
memory/4900-156-0x0000000004A90000-0x0000000004AA0000-memory.dmp

Filesize
64KB

Download
memory/4900-157-0x0000000004A90000-0x0000000004AA0000-memory.dmp

Filesize
64KB

Download

Analysis

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