MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 40f8707dad42d413a25571f4e20538877c6b2e2c5a8d758788da4522c3a085a1. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Formbook


Vendor detections: 17


Intelligence 17 IOCs YARA 7 File information Comments
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SHA256 hash: 40f8707dad42d413a25571f4e20538877c6b2e2c5a8d758788da4522c3a085a1
SHA3-384 hash: 1aa617e56e8f8e0caee848c219c56c7ea95193dc51e19922ec2717b97d38829407658595feb7f5672d8e2723fe50a3d8
SHA1 hash: c9f036de6c3ca1832af0f1a932c3e5e3a42bee37
MD5 hash: 968b1bb28964b6d0ea702396c8e9c7ac
humanhash: nitrogen-colorado-december-king
File name:P2P-Q-2401-001.scr
Download: download sample
Signature Formbook
Create hunting rule
File size:882'696 bytes
First seen:2024-02-29 14:35:12 UTC
Last seen:2024-07-24 13:30:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 24576:LV4blglglglPdRQx1vTp/JvKW209e4t/BkvaZay7Zuzknry:HdCfNJvKz04rSz7ZHry
Threatray 666 similar samples on MalwareBazaar
TLSH T1B215028037FA9F51DB3987F38972A1809BF33A63B561D71ECCC690EE1661B844A41E47
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4504/4/1)
Reporter TeamDreier
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
4
# of downloads :
336
Origin country :
DK DK
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
40f8707dad42d413a25571f4e20538877c6b2e2c5a8d758788da4522c3a085a1.exe
Verdict:
Malicious activity
Analysis date:
2024-02-29 14:41:39 UTC
Tags:
evasion stealer agenttesla
Link:
https://app.any.run/tasks/6955ee2e-60e9-4758-ae1a-03c9e150d64a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Win.Packed.Msilheracles-10020638-0
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Win.Packed.Agensla-10021078-0
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Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade overlay packed
Link:
https://www.filescan.io/uploads/65e0965ac51a2f3b9bbe4390/reports/b5026740-5310-4c1f-9a3f-9c1f7575e8e4/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/40f8707dad42d413a25571f4e20538877c6b2e2c5a8d758788da4522c3a085a1
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Agent Tesla
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6fee3d9c-08c6-4cfa-a45f-484782039d66
Result
Threat name:
AgentTesla, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1400948
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1400948 Sample: P2P-Q-2401-001.scr.exe Startdate: 29/02/2024 Architecture: WINDOWS Score: 100 38 mail.topcats.com 2->38 40 ip-api.com 2->40 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Sigma detected: Scheduled temp file as task from temp location 2->50 52 12 other signatures 2->52 8 P2P-Q-2401-001.scr.exe 7 2->8         started        12 EzDAwdu.exe 5 2->12         started        signatures3 process4 file5 34 C:\Users\user\AppData\RoamingzDAwdu.exe, PE32 8->34 dropped 36 C:\Users\user\AppData\Local\...\tmp8BC3.tmp, XML 8->36 dropped 54 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 8->54 56 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->56 58 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->58 66 3 other signatures 8->66 14 P2P-Q-2401-001.scr.exe 15 2 8->14         started        18 powershell.exe 23 8->18         started        20 schtasks.exe 1 8->20         started        60 Multi AV Scanner detection for dropped file 12->60 62 Machine Learning detection for dropped file 12->62 64 Injects a PE file into a foreign processes 12->64 22 EzDAwdu.exe 12->22         started        24 schtasks.exe 1 12->24         started        signatures6 process7 dnsIp8 42 mail.topcats.com 173.254.28.210, 49736, 49739, 587 UNIFIEDLAYER-AS-1US United States 14->42 44 ip-api.com 208.95.112.1, 49734, 49738, 80 TUT-ASUS United States 14->44 68 Installs a global keyboard hook 14->68 26 WmiPrvSE.exe 18->26         started        28 conhost.exe 18->28         started        30 conhost.exe 20->30         started        70 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 22->70 72 Tries to steal Mail credentials (via file / registry access) 22->72 74 Tries to harvest and steal browser information (history, passwords, etc) 22->74 32 conhost.exe 24->32         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/40f8707dad42d413a25571f4e20538877c6b2e2c5a8d758788da4522c3a085a1
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/40f8707dad42d413a25571f4e20538877c6b2e2c5a8d758788da4522c3a085a1/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2024-02-29 11:08:15 UTC
File Type:
PE (.Net Exe)
Extracted files:
37
AV detection:
18 of 24 (75.00%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=id4ha7nnilkbhisvoh2oebjyq56gwlrmlkgxlb4i3jcsfq5aqwqq._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Similar samples:
69a932203eabf492bdba29d3e4cb46d1556e68775c87378ec9a34bb8ca93dca8
Formbook
ccdcff0537e3089aa3432d5dbaa9feca918cc8a8b172e1e0ed79600a0ed88f60
Formbook
cf7c1f62432d8f62f8a12d58cf0761953d8be84d975abfafcb0071804de5a2c4
Formbook
f32ad4cea8c6ae589f620f2d6ba76f075b7dae5c4c005650abfb70d195f45013
Formbook
fbce4f9307bc7a24373da238ae5ecac473463bd9ae41e34b8fe8c68dc5750ff6
Formbook
+ 656 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240229-rykjlaca4x/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Looks up external IP address via web service
Checks computer location settings
Reads WinSCP keys stored on the system
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
3069ff6bb517f8262e8e76eb9312d687a73448b295be729a10077e626dfc6062
MD5 hash:
7fb61d63f1a1e64ccb784a87cfee3415
SHA1 hash:
ae90f93958caffeca763d8c09f359152c4f6ed1a
Link:
https://www.unpac.me/results/a36b3ede-eb93-4ee9-9afc-5686d784843c/
SH256 hash:
dad84ca6aa7791a03a435372470a78c7a178dc6120681a908a4a98e8fbd3aeca
MD5 hash:
445be20c3b5b4a4687e6c5f2a1790ac0
SHA1 hash:
58d1c5ea0b7be9f3e6b8259975068a24f921ad12
Link:
https://www.unpac.me/results/a36b3ede-eb93-4ee9-9afc-5686d784843c/
SH256 hash:
a1641e650531f49b704a7097303941766fbbbc355e96d9a38d37ee59fcfbf803
MD5 hash:
503070be34bb3b7304901df0c718a291
SHA1 hash:
1bfcaebc578fc50415b9c56e254cf7a412bd12d8
Link:
https://www.unpac.me/results/a36b3ede-eb93-4ee9-9afc-5686d784843c/
SH256 hash:
4c9992f294bc88aaab3386f5169a3605cdeec546366392c2aeca92078b9d95bc
MD5 hash:
11df7cb2571c6c9d54061b03eaf5db08
SHA1 hash:
0c4696bddf50e472f714507e0f7c3eb7ac929d5a
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Agenttesla_type2
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Create hunting rule
INDICATOR_EXE_Packed_GEN01
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Link:
https://www.unpac.me/results/a36b3ede-eb93-4ee9-9afc-5686d784843c/
Parent samples :
59bfb982d029cacbcb298fb5f5cd32d30a4420c92cca120304e144aad3608068
4c9992f294bc88aaab3386f5169a3605cdeec546366392c2aeca92078b9d95bc
40f8707dad42d413a25571f4e20538877c6b2e2c5a8d758788da4522c3a085a1
7ef843eff8a539d4296d4ef84613b9d1efae655d3d5bbe7d23972ac414e0a25b
2998cbe4e07c4aab6a9b58891e6823fa52f11cbcf49bdbc39b25b118abb24e4f
SH256 hash:
40f8707dad42d413a25571f4e20538877c6b2e2c5a8d758788da4522c3a085a1
MD5 hash:
968b1bb28964b6d0ea702396c8e9c7ac
SHA1 hash:
c9f036de6c3ca1832af0f1a932c3e5e3a42bee37
Detections:
INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Link:
https://www.unpac.me/results/a36b3ede-eb93-4ee9-9afc-5686d784843c/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/40f8707dad42/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/40f8707dad42d413a25571f4e20538877c6b2e2c5a8d758788da4522c3a085a1

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe 40f8707dad42d413a25571f4e20538877c6b2e2c5a8d758788da4522c3a085a1

(this sample)

  
Delivery method
Distributed via e-mail attachment

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