MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ca2f01c6f516bbdf05aed26b9da20d6710a6c2f32e846a2ded654bd5f09cb01c. 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: 18


Intelligence 18 IOCs YARA 4 File information Comments 1

SHA256 hash: ca2f01c6f516bbdf05aed26b9da20d6710a6c2f32e846a2ded654bd5f09cb01c
SHA3-384 hash: 5a7d7c77044539b6a65a76db3ac4c54bd17ab5e6fe59069701b5f65d958f43e9a4c09f1d53ce214426f3dc2d4cfc3e7a
SHA1 hash: 698190d6b80c99e4e73323e8cfce0c9265b68d14
MD5 hash: e882b8df405f9651962b3e983ed78274
humanhash: orange-five-jig-summer
File name:e882b8df405f9651962b3e983ed78274
Download: download sample
Signature Formbook
File size:585'728 bytes
First seen:2024-01-22 09:36:23 UTC
Last seen:2024-01-22 11:24:10 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:sE7+Q549dCqWkCW9zV9fO7X3TPetnzUMaSr:Br4rLWkNV9fObDPetzUU
TLSH T1ADC4221133BE5BA7D97597FC9C26212813B13429A6AAFB684CDB38CF1460F458D10E5F
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) (4505/5/1)
File icon (PE):PE icon
dhash icon 48485878e0e46c6c (9 x AgentTesla, 1 x AveMariaRAT, 1 x Formbook)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
350
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
3d8a60463219bf3008e509aed8a505043d3e76e7110d5dbe9a245a26e957330e.xls
Verdict:
Malicious activity
Analysis date:
2024-01-22 08:50:47 UTC
Tags:
maldoc phishing phishing-xls opendir loader exploit cve-2017-11882 formbook xloader

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

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
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:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1378598 Sample: IJa9T5MHGm.exe Startdate: 22/01/2024 Architecture: WINDOWS Score: 100 34 www.mgplatinemlak.xyz 2->34 36 www.xhfj5.site 2->36 38 15 other IPs or domains 2->38 42 Snort IDS alert for network traffic 2->42 44 Multi AV Scanner detection for domain / URL 2->44 46 Found malware configuration 2->46 50 10 other signatures 2->50 11 IJa9T5MHGm.exe 4 2->11         started        signatures3 48 Performs DNS queries to domains with low reputation 34->48 process4 signatures5 58 Tries to detect virtualization through RDTSC time measurements 11->58 60 Injects a PE file into a foreign processes 11->60 14 IJa9T5MHGm.exe 11->14         started        process6 signatures7 62 Modifies the context of a thread in another process (thread injection) 14->62 64 Maps a DLL or memory area into another process 14->64 66 Sample uses process hollowing technique 14->66 68 Queues an APC in another process (thread injection) 14->68 17 explorer.exe 7 1 14->17 injected process8 dnsIp9 28 www.xhfj5.site 124.156.166.165, 49741, 49744, 80 TENCENT-NET-AP-CNTencentBuildingKejizhongyiAvenueCN Singapore 17->28 30 natroredirect.natrocdn.com 85.159.66.93, 49746, 80 CIZGITR Turkey 17->30 32 3 other IPs or domains 17->32 40 System process connects to network (likely due to code injection or exploit) 17->40 21 cmmon32.exe 17->21         started        signatures10 process11 signatures12 52 Modifies the context of a thread in another process (thread injection) 21->52 54 Maps a DLL or memory area into another process 21->54 56 Tries to detect virtualization through RDTSC time measurements 21->56 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Threat name:
ByteCode-MSIL.Trojan.Heracles
Status:
Malicious
First seen:
2024-01-22 08:03:29 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:he09 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
750c014ef78f1b1cd5d4fa82c3aaf7a53a23bdfc783b21a74584b99e9de00b71
MD5 hash:
898f24fec796148382c02b46627be60d
SHA1 hash:
4c91dfa84b8b89e782e2bd10c30e296565f9553f
Detections:
FormBook win_formbook_w0 win_formbook_auto win_formbook_g0 Formbook
SH256 hash:
dd3ebaac516948c12c3193c6f4a9454d30c5997bf7c1d1a77bc5a6f3afbe2c1d
MD5 hash:
b77799e2e41bb2bcfbd13bf3f15e2684
SHA1 hash:
a6220442058d4040182f1a46c64fb73cd6217871
SH256 hash:
ab600d4ce5ebb6afc5f7d5a51f310654a099fc9579aa8df90aa086f9af4fbbee
MD5 hash:
18ea4ee4e8c85f441c3b1c5180b3bcf4
SHA1 hash:
6896a3f5a47c27792931b8a31083eb0b3198ba81
SH256 hash:
2b4cf8b51c4caac8a17c239ce12f5722630e9358060986625b0eed5dd9e01017
MD5 hash:
81c9b6f9ce6e6cc93bf89a1218f12e86
SHA1 hash:
1e2b99b28fc38272b81bc336a66c2960259668b6
SH256 hash:
ca2f01c6f516bbdf05aed26b9da20d6710a6c2f32e846a2ded654bd5f09cb01c
MD5 hash:
e882b8df405f9651962b3e983ed78274
SHA1 hash:
698190d6b80c99e4e73323e8cfce0c9265b68d14
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:NETexecutableMicrosoft
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 ca2f01c6f516bbdf05aed26b9da20d6710a6c2f32e846a2ded654bd5f09cb01c

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2024-01-22 09:36:24 UTC

url : hxxp://192.3.176.145/2355/conhost.exe