MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 34df8051340be75a816b67a0a48e15d1a9996c4f82c5245c220a6e61d619e862. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments

SHA256 hash: 34df8051340be75a816b67a0a48e15d1a9996c4f82c5245c220a6e61d619e862
SHA3-384 hash: 80fed0adc3381f393822af1435242439267d904b1ad664ad904019a720b232b0df3e1d85e62d61b148edadd20937b466
SHA1 hash: a66bd56a422b5de8acb00c8d8e5ce8c0a73f876e
MD5 hash: b8e20cf997ded89989f7cf67d7250046
humanhash: red-seventeen-connecticut-illinois
File name:networksec.exe
Download: download sample
Signature Formbook
File size:621'056 bytes
First seen:2022-06-13 13:10:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:UxBafvIK2iNq2iNq2iNq2iNHgAOxE1bM1h8n6wBoCGsyzyCbVqrcShL:Uqf51I1I1I1NQxE4foops2yCbErc
TLSH T158D4F1C5E357ED79F028A2B77444811C2BA48A1D82E5C13B1E9EB9CE34B278319F1E57
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b1b1b030f9188c36 (1 x Formbook)
Reporter JAMESWT_WT
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
254
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
http://103.153.77.138/0365/networksec.exe
Verdict:
Malicious activity
Analysis date:
2022-06-13 10:12:39 UTC
Tags:
opendir loader formbook trojan stealer

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
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Result
Verdict:
UNKNOWN
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
Antivirus detection for URL or domain
C2 URLs / IPs found in 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)
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 644631 Sample: networksec.exe Startdate: 13/06/2022 Architecture: WINDOWS Score: 100 31 www.jfcls.xyz 2->31 39 Snort IDS alert for network traffic 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Antivirus detection for URL or domain 2->43 45 8 other signatures 2->45 11 networksec.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\networksec.exe.log, ASCII 11->29 dropped 55 Tries to detect virtualization through RDTSC time measurements 11->55 57 Injects a PE file into a foreign processes 11->57 15 networksec.exe 11->15         started        signatures6 process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 15->59 61 Maps a DLL or memory area into another process 15->61 63 Sample uses process hollowing technique 15->63 65 Queues an APC in another process (thread injection) 15->65 18 explorer.exe 15->18 injected process9 dnsIp10 33 qk-study.com 103.7.41.23, 49776, 80 SUPERDATA-AS-VNSUPERDATA-VN Viet Nam 18->33 35 www.grocits.com 199.192.23.166, 49785, 80 NAMECHEAP-NETUS United States 18->35 37 3 other IPs or domains 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 help.exe 18->22         started        signatures11 process12 signatures13 49 Modifies the context of a thread in another process (thread injection) 22->49 51 Maps a DLL or memory area into another process 22->51 53 Tries to detect virtualization through RDTSC time measurements 22->53 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-06-13 11:36:41 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:formbook family:xloader campaign:oecd loader persistence rat spyware stealer suricata trojan
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Suspicious use of SetThreadContext
Deletes itself
Reads user/profile data of web browsers
Adds policy Run key to start application
Xloader Payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
8ee02417dfa2744c62a3d0604c451c2bdd5acc07b07acfcf40d4a9f197e88366
MD5 hash:
2d8c84481eb14620ce9f2802406a00b0
SHA1 hash:
b6e9cd00b7989e0c542337f28ced53f5e6bdd37f
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
e30958dbecec53ff67a018594f71db1361d060ff3b3c3281ebe0fba11b559c8c
MD5 hash:
aff539c37a0637944784dd2778fe96b2
SHA1 hash:
58b49a1e7fd64cc5f83f621edbb0dcde7e047916
SH256 hash:
8d3585d66e82c504ddc33c4a809e1a7531387a90edd51fd5e4cbef36899645a5
MD5 hash:
c68aea7752463246636f59079abf4eaa
SHA1 hash:
546a2cddaec886c509162f8e516e49cab46a9740
SH256 hash:
dec15271d422cf3b82c0a94cf147312bb5a4a4f262da4b698ffe7e6bdaf18053
MD5 hash:
79c5c39e29ebe233cd13a50987e64609
SHA1 hash:
0560314716e6519158009159c017d2b52116608e
SH256 hash:
34df8051340be75a816b67a0a48e15d1a9996c4f82c5245c220a6e61d619e862
MD5 hash:
b8e20cf997ded89989f7cf67d7250046
SHA1 hash:
a66bd56a422b5de8acb00c8d8e5ce8c0a73f876e
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: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 34df8051340be75a816b67a0a48e15d1a9996c4f82c5245c220a6e61d619e862

(this sample)

  
Delivery method
Distributed via web download

Comments