MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4116c5111907369d23e1a5f7adf2b0cd13186d6155a8f9406b794f191180f914. 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: 8


Intelligence 8 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4116c5111907369d23e1a5f7adf2b0cd13186d6155a8f9406b794f191180f914
SHA3-384 hash: 8be934c7b6fb510b87178a798877c183aa0efb0cd0cb918f5af6b5cc02be797a304c4f66ed737f6a718d2372b633499a
SHA1 hash: 2f6a4a474c53183a14ef815d2f3aa9cdb6a0b545
MD5 hash: 16a8bcda6b8877e2a76f56ac5707eaa8
humanhash: early-potato-fifteen-east
File name:PO-29840032.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:507'392 bytes
First seen:2021-02-23 07:16:13 UTC
Last seen:2021-02-23 08:46:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:dKLHi+NxBkVmuvVyJC44H7EsSE9hcb1OV:dAi+NcVm0L4+7jSg
Threatray 140 similar samples on MalwareBazaar
TLSH FAB4AE206398AB5EE03EBB798220510F47F1A616D317E68F7DE541DB7D52F408B72A23
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
85
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/118476/
Detection(s):
SecuriteInfo.com.Win32.16376.28229.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/614912
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
Found malware configuration
Machine Learning detection for dropped file
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 356462 Sample: PO-29840032.exe Startdate: 23/02/2021 Architecture: WINDOWS Score: 100 41 www.xiaoxu.info 2->41 43 www.bigdiscounters.com 2->43 45 cdn.onenote.net 2->45 53 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->53 55 Found malware configuration 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 11 other signatures 2->59 11 PO-29840032.exe 7 2->11         started        signatures3 process4 file5 33 C:\Users\user\AppData\...\eejXKlefbIzpJy.exe, PE32 11->33 dropped 35 C:\...\eejXKlefbIzpJy.exe:Zone.Identifier, ASCII 11->35 dropped 37 C:\Users\user\AppData\Local\...\tmp6B67.tmp, XML 11->37 dropped 39 C:\Users\user\AppData\...\PO-29840032.exe.log, ASCII 11->39 dropped 69 Tries to detect virtualization through RDTSC time measurements 11->69 15 PO-29840032.exe 11->15         started        18 schtasks.exe 1 11->18         started        signatures6 process7 signatures8 71 Modifies the context of a thread in another process (thread injection) 15->71 73 Maps a DLL or memory area into another process 15->73 75 Sample uses process hollowing technique 15->75 77 Queues an APC in another process (thread injection) 15->77 20 explorer.exe 15->20 injected 24 conhost.exe 18->24         started        process9 dnsIp10 47 www.xiaoxu.info 42.194.179.169, 80 CNNIC-TENCENT-NET-APShenzhenTencentComputerSystemsCompa China 20->47 49 vivabematividadesfisicas.com 107.180.2.197, 49725, 80 AS-26496-GO-DADDY-COM-LLCUS United States 20->49 51 3 other IPs or domains 20->51 61 System process connects to network (likely due to code injection or exploit) 20->61 26 explorer.exe 20->26         started        signatures11 process12 signatures13 63 Modifies the context of a thread in another process (thread injection) 26->63 65 Maps a DLL or memory area into another process 26->65 67 Tries to detect virtualization through RDTSC time measurements 26->67 29 cmd.exe 1 26->29         started        process14 process15 31 conhost.exe 29->31         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4116c5111907369d23e1a5f7adf2b0cd13186d6155a8f9406b794f191180f914/
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2021-02-23 07:17:05 UTC
AV detection:
12 of 47 (25.53%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ielmkeiza43j2i7bux3234vqzujrq3lbkwupsqdlpfhrsema7eka._file
Verdict:
unknown
Similar samples:
01c5ac824171a164473d92187f8031f2bc7103397fe534f56771d8e9589445e0
Formbook
48709c3e07c128283d9d550331d6e5f7c4afeadfc61cad94d769ea8ce7399e77
Formbook
4cedaa22118c9bca2d63edb74a43cc292100d253dab2cd23240cc4e8cc567b92
Formbook
5babb878615fbf3b56008f4d7becccdb0a316e3eecb95ce99ea2a6c9d5a8a19a
Formbook
5d5d64a87a5d888443e8d7a25046922fa4a39fe5952a45635dd66321e616bb14
Formbook
5ec36ac5ba843f29bb0dc75d7d527ab9cee34a681bad704a89fd5ed12cdea337
Formbook
a8fe6d7fa624e8e96f71d3ff6375a012b44b51f06179feb7cef8c33fd6d38570
Formbook
d96042b51f171f68a99d4568f311f267fe595df0add3851e162cbcee7f897edb
Formbook
e6370f5f39e8e3d7a2506659786deadd1fe5ce8208cb2b6bf7748b6637a3b793
Formbook
e836c2aecd7a2ae83a5bb088780d9e7b8cd6c3a7ff6b9c3f1261bfd1f53dbef7
Formbook
+ 130 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210223-jqfwnqf7x2/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.merckcbd.com/dei5/
Unpacked files
SH256 hash:
e624003658c4f8b349f567c82229fd15d1e63d3d20fe6f7b4388403038cd2a44
MD5 hash:
b6ce7c1d81b9271eab825ea63de154c3
SHA1 hash:
0e7b89555314f8908c1098b652c9bf50e5ecc27b
Link:
https://www.unpac.me/results/98c953db-f5f0-44ce-9c43-bbaf7e4baf0c/
SH256 hash:
4116c5111907369d23e1a5f7adf2b0cd13186d6155a8f9406b794f191180f914
MD5 hash:
16a8bcda6b8877e2a76f56ac5707eaa8
SHA1 hash:
2f6a4a474c53183a14ef815d2f3aa9cdb6a0b545
Link:
https://www.unpac.me/results/98c953db-f5f0-44ce-9c43-bbaf7e4baf0c/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/4116c5111907369d23e1a5f7adf2b0cd13186d6155a8f9406b794f191180f914

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

File information

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

Malspam

Formbook

Executable exe 4116c5111907369d23e1a5f7adf2b0cd13186d6155a8f9406b794f191180f914

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/118476/

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