MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f10c54328db9ebcbcad355e53fd2cdd6befa60a298981e94f2cb4c69317b6d08. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments

SHA256 hash: f10c54328db9ebcbcad355e53fd2cdd6befa60a298981e94f2cb4c69317b6d08
SHA3-384 hash: d3fb5d8b22973c6d863356b6763fcf256221a1dda44a58c97ad91cf35d14ecedf11c4d520ee2c97ae4fe4bea03e87c10
SHA1 hash: 690a3f66815b0d053780694c8657891a7841b8a5
MD5 hash: 2e52c38d8778410158ee262129a6af34
humanhash: mobile-hotel-aspen-diet
File name:vbc (8).exe.vir
Download: download sample
Signature Formbook
File size:537'088 bytes
First seen:2022-06-21 10:20:29 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:L2iN2H1wj9i8BaWM65OEWcrfauUc83G81cW5:L1Eci675OE77gW875
TLSH T1F2B401007A784716D97CCBFD48A2A24453F874269267F3998FCA60DF4DB7B068750A3B
TrID 61.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.0% (.SCR) Windows screen saver (13101/52/3)
8.8% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter KdssSupport
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
205
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Launching the process to change network settings
Launching cmd.exe command interpreter
Unauthorized injection to a system process
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
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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:
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2022-06-20 16:53:55 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:gs08 rat spyware stealer suricata trojan
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
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
03447572f4e4322991cccd1f3f54cd73bb474c5e3a8c6f6a777e4fbb0d1b625a
MD5 hash:
4dfc1a32443faf49c6b5280868182206
SHA1 hash:
4e9b62ea6e38534d53a58ce2508fa1abd13e4fb3
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
6de8bc7d4844efdb55328126b632a374bee9aaf3073cf9ca5fe5fdf303106f8e
MD5 hash:
7ce2d10bd0f02667bc0e1343d9ffc1c1
SHA1 hash:
c3a5b4e5721085022eb7bf0008b7e449f9369fcf
SH256 hash:
467b1171830fc921c6e6c670cc4cec288b9026a3a43b9409a61aa82ec3c22f69
MD5 hash:
a4374e4736e51958cb598eb2f04f8f9e
SHA1 hash:
9c66a15bae79b4dd7dacdcb684ee50364cd75bd9
SH256 hash:
262f300da8ea53f2b60ced1b84cc388077764c8bad0d90885272817ea6dbcb12
MD5 hash:
7e9a4bc1a4b4f881742eaee25ef3e701
SHA1 hash:
3568f3b36d8100ac663a8e019113eaa966a3dc99
SH256 hash:
f10c54328db9ebcbcad355e53fd2cdd6befa60a298981e94f2cb4c69317b6d08
MD5 hash:
2e52c38d8778410158ee262129a6af34
SHA1 hash:
690a3f66815b0d053780694c8657891a7841b8a5
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:exploit_any_poppopret
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
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 f10c54328db9ebcbcad355e53fd2cdd6befa60a298981e94f2cb4c69317b6d08

(this sample)

  
Delivery method
Distributed via web download

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