MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 83fe7ae91964ffcb2f7469083074d12d15aa7a01b543958ab7f18e8829f11fe5. 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: 11


Intelligence 11 IOCs YARA File information Comments

SHA256 hash: 83fe7ae91964ffcb2f7469083074d12d15aa7a01b543958ab7f18e8829f11fe5
SHA3-384 hash: dc98f52e3f85c1602dfa8b9747f6c7f436f6ab8cf3b0dc47ef0cc979e15c972b29c571f55d2a4efc55f61e0a7ad1436c
SHA1 hash: ebae0d7de025399b25e85a08af0a8c6903a55f67
MD5 hash: 74453ebc1fff39746914adea56c56ef4
humanhash: oregon-mango-crazy-illinois
File name:Doc_EXP-CI49430322_pdf.exe
Download: download sample
Signature Formbook
File size:307'556 bytes
First seen:2022-03-25 14:31:19 UTC
Last seen:2024-07-24 18:17:31 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla)
ssdeep 6144:rGiXT8Tm23nzK/oxCCwCzDrZ32B0/Y7vHI/SgydNrWEDGOVc/a:7I62DRxdwQD93uEZydN6QFVJ
Threatray 11'741 similar samples on MalwareBazaar
TLSH T1EF642287FFE185FFD54247F169B5B32ABBBEF6C842022A278710DF671912647061A381
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence


File Origin
# of uploads :
6
# of downloads :
231
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Searching for synchronization primitives
Sending a custom TCP request
DNS request
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control.exe overlay packed shell32.dll
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
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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 (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 597111 Sample: Doc_EXP-CI49430322_pdf.exe Startdate: 25/03/2022 Architecture: WINDOWS Score: 100 34 www.lovawood.com 2->34 36 lovawood.com 2->36 52 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->52 54 Found malware configuration 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 5 other signatures 2->58 12 Doc_EXP-CI49430322_pdf.exe 18 2->12         started        signatures3 process4 file5 32 C:\Users\user\AppData\Local\Temp\nedqv.exe, PE32 12->32 dropped 15 nedqv.exe 12->15         started        process6 signatures7 70 Tries to detect virtualization through RDTSC time measurements 15->70 18 nedqv.exe 15->18         started        process8 signatures9 44 Modifies the context of a thread in another process (thread injection) 18->44 46 Maps a DLL or memory area into another process 18->46 48 Sample uses process hollowing technique 18->48 50 Queues an APC in another process (thread injection) 18->50 21 explorer.exe 18->21 injected process10 dnsIp11 38 www.plotniska.net 198.251.81.14, 49787, 80 PONYNETUS United States 21->38 40 www.gasandliquidcontrols.com 35.214.7.120, 49805, 80 GOOGLE-2US United States 21->40 42 4 other IPs or domains 21->42 60 System process connects to network (likely due to code injection or exploit) 21->60 62 Performs DNS queries to domains with low reputation 21->62 25 cmd.exe 21->25         started        signatures12 process13 signatures14 64 Modifies the context of a thread in another process (thread injection) 25->64 66 Maps a DLL or memory area into another process 25->66 68 Tries to detect virtualization through RDTSC time measurements 25->68 28 cmd.exe 1 25->28         started        process15 process16 30 conhost.exe 28->30         started       
Threat name:
Win32.Trojan.GenericML
Status:
Malicious
First seen:
2022-03-25 14:32:16 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:inga loader rat suricata
Behaviour
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
83fe7ae91964ffcb2f7469083074d12d15aa7a01b543958ab7f18e8829f11fe5
MD5 hash:
74453ebc1fff39746914adea56c56ef4
SHA1 hash:
ebae0d7de025399b25e85a08af0a8c6903a55f67
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Malspam

Formbook

Executable exe 83fe7ae91964ffcb2f7469083074d12d15aa7a01b543958ab7f18e8829f11fe5

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment

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