MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2747e5b776f659d7c7d53558362bd60d38aaddb74b33f8a92428caebef64c058. 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 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2747e5b776f659d7c7d53558362bd60d38aaddb74b33f8a92428caebef64c058
SHA3-384 hash: 9de875aa3be2b04c4d301020d61b069a539231ab7fe542f84820c2bd42d61301044d86ed6c3078481003d5207a2e7052
SHA1 hash: 379084c77a74c144ed28c94602c516eaa171a6ed
MD5 hash: 1df4b493b2e8ce35fe47f7b84f93f54a
humanhash: eighteen-river-speaker-emma
File name:DAP Proforma Invoice,.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:680'960 bytes
First seen:2024-02-13 10:12:58 UTC
Last seen:2024-02-13 14:38:08 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:C0zPeQ5vziZiLrZTf/iIj6ahzOL95AfC/phxZHFzpGfTyTnjIVW:xriZiLt3JnzZoHFzLI
TLSH T149E423952378D339C5288BB7B6F0840563B946A2164BE10D5EC431DE297BB639730FEB
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter cocaman
Tags:exe FormBook QUOTATION

Intelligence

File Origin
# of uploads :
3
# of downloads :
385
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
2747e5b776f659d7c7d53558362bd60d38aaddb74b33f8a92428caebef64c058.exe
Verdict:
Malicious activity
Analysis date:
2024-02-13 10:18:24 UTC
Tags:
evasion agenttesla stealer
Link:
https://app.any.run/tasks/5c61b0f2-c323-4e56-8130-79e9f148e69c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/475951/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.10344.2277.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
lolbin masquerade packed shell32
Link:
https://www.filescan.io/uploads/65cb40b2af1f66769e13f9b5/reports/e4675695-abb2-4b01-97ba-70c35d34008c/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/2747e5b776f659d7c7d53558362bd60d38aaddb74b33f8a92428caebef64c058
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2ccbfb32-27ac-48c8-b499-df3c8289907d
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1391329
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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)
Sample uses string decryption to hide its real strings
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
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
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1391329 Sample: DAP Proforma Invoice,.exe Startdate: 13/02/2024 Architecture: WINDOWS Score: 100 49 mail.strongbowoffshore.com 2->49 51 ip-api.com 2->51 53 api.ipify.org 2->53 61 Snort IDS alert for network traffic 2->61 63 Found malware configuration 2->63 65 Malicious sample detected (through community Yara rule) 2->65 67 17 other signatures 2->67 8 DAP Proforma Invoice,.exe 7 2->8         started        12 NXIRrKV.exe 5 2->12         started        14 nmEjtf.exe 2->14         started        16 nmEjtf.exe 2->16         started        signatures3 process4 file5 45 C:\Users\user\AppData\Roaming45XIRrKV.exe, PE32 8->45 dropped 47 C:\Users\user\AppData\Local\...\tmpE40A.tmp, XML 8->47 dropped 81 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->81 83 Writes to foreign memory regions 8->83 85 Allocates memory in foreign processes 8->85 93 2 other signatures 8->93 18 RegSvcs.exe 16 4 8->18         started        23 powershell.exe 22 8->23         started        25 schtasks.exe 1 8->25         started        87 Antivirus detection for dropped file 12->87 89 Multi AV Scanner detection for dropped file 12->89 91 Machine Learning detection for dropped file 12->91 27 RegSvcs.exe 12->27         started        29 schtasks.exe 1 12->29         started        31 conhost.exe 14->31         started        33 conhost.exe 16->33         started        signatures6 process7 dnsIp8 55 mail.strongbowoffshore.com 185.104.29.98, 49736, 49739, 587 AS-ZXCSNL Netherlands 18->55 57 ip-api.com 208.95.112.1, 49735, 49738, 80 TUT-ASUS United States 18->57 59 api.ipify.org 104.26.13.205, 443, 49734, 49737 CLOUDFLARENETUS United States 18->59 43 C:\Users\user\AppData\Roaming\...\nmEjtf.exe, PE32 18->43 dropped 69 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->69 71 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 18->71 73 Tries to steal Mail credentials (via file / registry access) 18->73 75 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 18->75 35 WmiPrvSE.exe 23->35         started        37 conhost.exe 23->37         started        39 conhost.exe 25->39         started        77 Tries to harvest and steal browser information (history, passwords, etc) 27->77 79 Hides that the sample has been downloaded from the Internet (zone.identifier) 27->79 41 conhost.exe 29->41         started        file9 signatures10 process11
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/2747e5b776f659d7c7d53558362bd60d38aaddb74b33f8a92428caebef64c058
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2747e5b776f659d7c7d53558362bd60d38aaddb74b33f8a92428caebef64c058/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2024-02-13 10:13:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
17 of 23 (73.91%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=e5d6ln3w6zm5pr6vgvmdmk6wbu4kvxnxjmz7rkjefdfox33eybma._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/240213-l83v2afc5x/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
AgentTesla
Unpacked files
SH256 hash:
25e980bfd815b043fe5c153998b7afead7c6c6a09a3f3544f7733efc96b4cbc6
MD5 hash:
e308589b39d00faba3597fa71d5542de
SHA1 hash:
f5ca905e8a3217be5570d2a23f0e190588a1ddac
Link:
https://www.unpac.me/results/d77db02e-8fbc-48e5-8c4a-d47ae7bf7aee/
SH256 hash:
3e8fa92e650f34bb7644eff13a3c138d8d387d0311b66a6ee8ebafe7ee5bfd0d
MD5 hash:
9f44343498b55e08cee261d16323d057
SHA1 hash:
c6981d3a1f6516084163df540a78d792dc968057
Link:
https://www.unpac.me/results/d77db02e-8fbc-48e5-8c4a-d47ae7bf7aee/
SH256 hash:
e8b32893b64cdbddb93ead2aed610b2feb40effc8d9065959e33dafc5984983e
MD5 hash:
1830306579dff549a950d7a8f6b26b6e
SHA1 hash:
499b5dafdcbda1ae88f03631f3ac3bfc97f54de1
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/d77db02e-8fbc-48e5-8c4a-d47ae7bf7aee/
SH256 hash:
3dff12ee9183149386bfb90aa8bb671f57201de4e1157b79dd22fea45d837562
MD5 hash:
02e3968ff81ca78205efb912d981ea81
SHA1 hash:
0846251d2774064940f11617e1b15b2eb63834aa
Link:
https://www.unpac.me/results/d77db02e-8fbc-48e5-8c4a-d47ae7bf7aee/
SH256 hash:
2747e5b776f659d7c7d53558362bd60d38aaddb74b33f8a92428caebef64c058
MD5 hash:
1df4b493b2e8ce35fe47f7b84f93f54a
SHA1 hash:
379084c77a74c144ed28c94602c516eaa171a6ed
Link:
https://www.unpac.me/results/d77db02e-8fbc-48e5-8c4a-d47ae7bf7aee/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/2747e5b776f6/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/2747e5b776f659d7c7d53558362bd60d38aaddb74b33f8a92428caebef64c058

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:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:DebuggerCheck__RemoteAPI
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Create hunting rule
Author:ditekSHen
Description:Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:Multifamily_RAT_Detection
Create hunting rule
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_AgentTesla_ebf431a8
Create hunting rule
Author:Elastic Security

File information

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

Malspam

Formbook

zip 8dbdfbf6f2919142fa7deede504de942c253e304c8d83a4764d2d3a2cdd03e25

Formbook

Executable exe 2747e5b776f659d7c7d53558362bd60d38aaddb74b33f8a92428caebef64c058

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 8dbdfbf6f2919142fa7deede504de942c253e304c8d83a4764d2d3a2cdd03e25
Cape
Cape
https://www.capesandbox.com/analysis/475951/
  
Dropped by
MD5 a2a276f2a6c57e4adf7d238f4dbb5085

Comments