MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ca290a08560360e9090ea83a3f3916fd3db3d0c058bc7aa0ce349e8783b3ab23. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments

SHA256 hash: ca290a08560360e9090ea83a3f3916fd3db3d0c058bc7aa0ce349e8783b3ab23
SHA3-384 hash: 8f341796128df901c5251f7e1a72f1f95e9e6930d4d75d4211ba887b50cac2fe698207a518bcdf76b3dfbe3390530455
SHA1 hash: c631fdc5b2ae34f749c89be6b8b0ab902bbdf8a9
MD5 hash: 13017dc676737635794710e2e8802884
humanhash: eleven-leopard-nuts-hawaii
File name:13017dc676737635794710e2e8802884.exe
Download: download sample
Signature Formbook
File size:640'000 bytes
First seen:2023-08-10 16:50:45 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:K2fL87+2DdiDVzKheGcsXxMfDCA9g+8gAErlTQyygoymkZbTYRm6WsL8:vfg7+2DE+5csXxMfGAa+BVoV6bTAm6W/
Threatray 1'202 similar samples on MalwareBazaar
TLSH T16ED4234923385759DCA572FE24432211F374621FE4F2EBCB3A8834AAA62975C9B51F43
TrID 61.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.1% (.SCR) Windows screen saver (13097/50/3)
8.9% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 6810707169700020 (10 x AgentTesla, 7 x Formbook)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
281
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
40ae68a1fbe6b4f12cc3c6e48d82fff1.rtf
Verdict:
Malicious activity
Analysis date:
2023-08-10 14:47:41 UTC
Tags:
exploit cve-2017-11882

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Gathering data
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
evad.troj.spyw
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Deletes itself after installation
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1289570 Sample: oeNoDBbMEx.exe Startdate: 10/08/2023 Architecture: WINDOWS Score: 100 26 www.whiskeyrockszerofox.com 2->26 28 www.uvmxy3.cfd 2->28 30 24 other IPs or domains 2->30 46 Malicious sample detected (through community Yara rule) 2->46 48 Antivirus detection for URL or domain 2->48 50 Multi AV Scanner detection for submitted file 2->50 52 5 other signatures 2->52 10 oeNoDBbMEx.exe 3 2->10         started        signatures3 process4 process5 12 oeNoDBbMEx.exe 10->12         started        signatures6 56 Modifies the context of a thread in another process (thread injection) 12->56 58 Maps a DLL or memory area into another process 12->58 60 Queues an APC in another process (thread injection) 12->60 15 RAVCpl64.exe 12->15 injected process7 process8 17 raserver.exe 13 15->17         started        signatures9 38 Tries to steal Mail credentials (via file / registry access) 17->38 40 Tries to harvest and steal browser information (history, passwords, etc) 17->40 42 Deletes itself after installation 17->42 44 4 other signatures 17->44 20 explorer.exe 4 1 17->20 injected 24 firefox.exe 17->24         started        process10 dnsIp11 32 www.registrationdata.org 216.40.34.41, 49740, 49741, 49742 TUCOWSCA Canada 20->32 34 www.potent-tech.com 119.28.69.86, 49720, 49721, 49722 TENCENT-NET-AP-CNTencentBuildingKejizhongyiAvenueCN China 20->34 36 16 other IPs or domains 20->36 54 System process connects to network (likely due to code injection or exploit) 20->54 signatures12
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-08-10 10:58:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
c626bb14f96aa5e4da875c08230bc9c97bb61c9736f3d4dc8d4a5758a8aa35dc
MD5 hash:
78dcba5d9656b33f044ba352a2a9e660
SHA1 hash:
8d28ba43dcb87cb4a987a8c7c228bf63b62e3324
SH256 hash:
7a1fcb2d2505163c2c276eaab1d50a50bb03af7467a173c2591ae741fce6c48f
MD5 hash:
36a2a4bcdf675ced02020adb8aa88e42
SHA1 hash:
d8d00443c4f3245396081e73e8c8d32cb03080d8
SH256 hash:
504410fd6158a7346f5a2e7b7714203b329d46dab5d129719410d5c325122804
MD5 hash:
74ed681a2d7aed1dae5627d4367474f8
SHA1 hash:
cad2df636d3f0710f69fdb18cbae03a332341dd3
SH256 hash:
fad9112aa80e6aa9b09ce8722079e4d4743f22f2327e753e2b94076f4ff0c2dd
MD5 hash:
8361407e19c47cddca06c7b19719ade1
SHA1 hash:
2393857a6e3f68392399ba107c70401e933428b3
SH256 hash:
ca290a08560360e9090ea83a3f3916fd3db3d0c058bc7aa0ce349e8783b3ab23
MD5 hash:
13017dc676737635794710e2e8802884
SHA1 hash:
c631fdc5b2ae34f749c89be6b8b0ab902bbdf8a9
Please note that we are no longer able to provide a coverage score for Virus Total.

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:NET
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Web download

Formbook

Executable exe ca290a08560360e9090ea83a3f3916fd3db3d0c058bc7aa0ce349e8783b3ab23

(this sample)

  
Delivery method
Distributed via web download

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