MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 48abc789fffea9d92781ed4434aa67d136cdef20a346724ccc40ec531829aa88. 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: 15


Intelligence 15 IOCs YARA 4 File information Comments

SHA256 hash: 48abc789fffea9d92781ed4434aa67d136cdef20a346724ccc40ec531829aa88
SHA3-384 hash: 2c154659fc80ade259e62a51bbf8d243a6d4d8c7cdd1ba83185708971790f9fe7136c62a87aaca084846c2e563ece861
SHA1 hash: 505b3cc42fb075292269ad3b7062f3515fdc2cd1
MD5 hash: 0e25e424724f85fa7918e322e870ac6e
humanhash: tennis-coffee-violet-cardinal
File name:POSINCOAUTOMATIOM86757786Ref6777.exe
Download: download sample
Signature Formbook
File size:712'192 bytes
First seen:2024-12-10 06:03:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash fc6683d30d9f25244a50fd5357825e79 (92 x Formbook, 52 x AgentTesla, 23 x SnakeKeylogger)
ssdeep 12288:CquErHF6xC9D6DmR1J98w4oknqOOCyQfaMP03N5l+PEiBuMPg2Dqe1B9qcww:Hrl6kD68JmlotQfZ0dCEkuMYGqeT9xF
Threatray 3 similar samples on MalwareBazaar
TLSH T173E423895EE18C23C22893F6847ACD94596174718ECCB7BAC719E52FBC31307991BB6C
TrID 31.3% (.EXE) UPX compressed Win32 Executable (27066/9/6)
30.7% (.EXE) Win32 EXE Yoda's Crypter (26569/9/4)
12.1% (.EXE) Win64 Executable (generic) (10522/11/4)
7.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
5.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
File icon (PE):PE icon
dhash icon aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
392
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
POSINCOAUTOMATIOM86757786Ref6777.exe
Verdict:
Suspicious activity
Analysis date:
2024-12-10 06:13:55 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
autorun autoit
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a file
Creating a process from a recently created file
Launching a process
Сreating synchronization primitives
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
autoit compiled-script fingerprint lolbin microsoft_visual_cc mmc packed packed packed packer_detected schtasks upx
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.expl.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Binary is likely a compiled AutoIt script file
Drops VBS files to the startup folder
Machine Learning detection for dropped file
Machine Learning detection for sample
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Drops script at startup location
Sigma detected: WScript or CScript Dropper
Switches to a custom stack to bypass stack traces
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
Win32.Worm.DorkBot
Status:
Malicious
First seen:
2024-12-10 00:37:27 UTC
File Type:
PE (Exe)
Extracted files:
51
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery upx
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
AutoIT Executable
Suspicious use of SetThreadContext
UPX packed file
Drops startup file
Executes dropped EXE
Loads dropped DLL
Verdict:
Malicious
Tags:
trojan
YARA:
SUSP_Imphash_Mar23_3
Unpacked files
SH256 hash:
1c31c2f691093597c022521eea53bd44a1a1039548a3837c5032fe571e3a3fb9
MD5 hash:
e674ff8749ab042cca5a0c7af34c5308
SHA1 hash:
3eca3e7356ac4a96e49582f16e143984f64c4d8e
Detections:
AutoIT_Compiled
SH256 hash:
b6b3b484ad9749435345ece85ef2035097b01c8668fa9801470274e19029ce23
MD5 hash:
08a531cd45da262592a8ed8a9e522f59
SHA1 hash:
a595d6fc17299ddc6d9df29e7e10010f5d4c75db
Detections:
win_formbook_g0
SH256 hash:
2e2ab9a74a2edd4aa4b5f76f9c957b6302b8f8ff87eda85af2dc1a9cc4da1d91
MD5 hash:
089205c4fd467ee46efce5eaebfe5dcf
SHA1 hash:
4652d10400e05d52021f88a06e35a12b0574e7b2
SH256 hash:
48abc789fffea9d92781ed4434aa67d136cdef20a346724ccc40ec531829aa88
MD5 hash:
0e25e424724f85fa7918e322e870ac6e
SHA1 hash:
505b3cc42fb075292269ad3b7062f3515fdc2cd1
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:SUSP_Imphash_Mar23_3
Author:Arnim Rupp (https://github.com/ruppde)
Description:Detects imphash often found in malware samples (Maximum 0,25% hits with search for 'imphash:x p:0' on Virustotal) = 99,75% hits
Reference:Internal Research
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser
Author:malware-lu
Rule name:upx_largefile
Author:k3nr9

File information


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

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_NXMissing Non-Executable Memory Protectioncritical
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::GetAce
MULTIMEDIA_APICan Play MultimediaWINMM.dll::timeGetTime
WIN_BASE_APIUses Win Base APIKERNEL32.DLL::LoadLibraryA
WIN_NETWORK_APISupports Windows NetworkingMPR.dll::WNetUseConnectionW

Comments