MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 da4cb25d25388cef409303e2e4c3f2ec589d747d49e602ef924eaefbbaf75144. 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 File information Comments

SHA256 hash: da4cb25d25388cef409303e2e4c3f2ec589d747d49e602ef924eaefbbaf75144
SHA3-384 hash: 873c0afdd1160e4c66fd515994fb0705772cf18685a290f28958604553285109363e1e9b5cded8b39f509ceb3c6dcaf9
SHA1 hash: 0e6b489ef00b9611692ef071bfe5e8f71138009d
MD5 hash: ce5b47c242fa046f7d71c09b10b2b8aa
humanhash: april-asparagus-missouri-speaker
File name:IRQ2107799_pdf.exe
Download: download sample
Signature Formbook
File size:326'063 bytes
First seen:2022-04-06 13:45:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 56a78d55f3f7af51443e58e0ce2fb5f6 (720 x GuLoader, 451 x Formbook, 295 x Loki)
ssdeep 6144:kNeZpRkWy8I+ZWH0g1GNlPyrFPNi7TU39TYjQhN6Y/:kNckn840xlKhPNicNEIH
TLSH T1D96401043254C067E8B349F19D39D7FF8AF96E22499462073B557FEEB932603462EB12
File icon (PE):PE icon
dhash icon 10001010b2b20030 (1 x Formbook)
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
231
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
DNS request
Setting browser functions hooks
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control.exe overlay packed python shell32.dll virus
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 evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
Initial sample is a PE file and has a suspicious name
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)
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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 signatures2 2 Behavior Graph ID: 604021 Sample: IRQ2107799_pdf.exe Startdate: 06/04/2022 Architecture: WINDOWS Score: 100 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Antivirus detection for URL or domain 2->47 49 5 other signatures 2->49 11 IRQ2107799_pdf.exe 18 2->11         started        process3 file4 31 C:\Users\user\AppData\...\hdugzqzfei.exe, PE32 11->31 dropped 14 hdugzqzfei.exe 11->14         started        process5 signatures6 61 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 14->61 63 Tries to detect virtualization through RDTSC time measurements 14->63 65 Injects a PE file into a foreign processes 14->65 17 hdugzqzfei.exe 14->17         started        process7 signatures8 35 Modifies the context of a thread in another process (thread injection) 17->35 37 Maps a DLL or memory area into another process 17->37 39 Sample uses process hollowing technique 17->39 41 Queues an APC in another process (thread injection) 17->41 20 explorer.exe 17->20 injected process9 dnsIp10 33 www.vacumeet.xyz 104.21.57.168, 49790, 80 CLOUDFLARENETUS United States 20->33 51 System process connects to network (likely due to code injection or exploit) 20->51 53 Performs DNS queries to domains with low reputation 20->53 24 wscript.exe 20->24         started        signatures11 process12 signatures13 55 Modifies the context of a thread in another process (thread injection) 24->55 57 Maps a DLL or memory area into another process 24->57 59 Tries to detect virtualization through RDTSC time measurements 24->59 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2022-04-06 13:46:07 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:e0l9 rat spyware stealer trojan
Behaviour
Gathers network information
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
Formbook Payload
Formbook
Unpacked files
SH256 hash:
85d5b151523b0270e76f1f31ecf1af9aea0d1f0e32b169d219a43d7b79de3d7f
MD5 hash:
006ef9c7c1bcf84a7dc7eabe2a15c06b
SHA1 hash:
ca377f3290903003063747c0832cecc9b152b80d
SH256 hash:
2b8a3d7e6278adfe6e59c6860d4b80ccc6223b7f8a2f3c8bed22a06108afd0ed
MD5 hash:
c129f01e390f22a0b81b92d6c292ae93
SHA1 hash:
b57e1afd619eb1d777a1409b8035700e8a56b394
SH256 hash:
da4cb25d25388cef409303e2e4c3f2ec589d747d49e602ef924eaefbbaf75144
MD5 hash:
ce5b47c242fa046f7d71c09b10b2b8aa
SHA1 hash:
0e6b489ef00b9611692ef071bfe5e8f71138009d
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 da4cb25d25388cef409303e2e4c3f2ec589d747d49e602ef924eaefbbaf75144

(this sample)

  
Delivery method
Distributed via e-mail attachment

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