MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5fed9c873f468294fce13808c139fc7ccf40d412e052bb31c8d768750ed8a22d. 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 2 File information Comments

SHA256 hash: 5fed9c873f468294fce13808c139fc7ccf40d412e052bb31c8d768750ed8a22d
SHA3-384 hash: a6bad8da4d33107021ff4aa495d43ddf44662c4ad597dd48eed9003f97d3f0e8dc317d009cae804c985a4952bae774da
SHA1 hash: 1516e1852b524257032e3471b40c242ea58ead00
MD5 hash: 22369c0dde61f15c3c210d7c85075921
humanhash: single-golf-kilo-hawaii
File name:ERHALT00283772.exe
Download: download sample
Signature Formbook
File size:1'117'696 bytes
First seen:2023-05-17 09:03:42 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:x7m58lS4a//Qgn7MUhFUD+8GUniB/J+J5C:Jm5Dh/QMF++8GSiB/oJ5
Threatray 2'917 similar samples on MalwareBazaar
TLSH T10D354A4A7255A11EC507E13E8810EFB807174D98B241F2A225FEBD57753BAA34AFC3E1
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 080888abc4c4f40a (1 x Formbook)
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
250
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
ERHALT00283772.exe
Verdict:
Malicious activity
Analysis date:
2023-05-17 09:05:23 UTC
Tags:
formbook xloader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Result
Verdict:
UNKNOWN
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 / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
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: 868268 Sample: ERHALT00283772.exe Startdate: 17/05/2023 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic 2->36 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 7 other signatures 2->42 10 ERHALT00283772.exe 3 2->10         started        process3 file4 28 C:\Users\user\...RHALT00283772.exe.log, ASCII 10->28 dropped 52 Tries to detect virtualization through RDTSC time measurements 10->52 54 Injects a PE file into a foreign processes 10->54 14 ERHALT00283772.exe 10->14         started        signatures5 process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 14->56 58 Maps a DLL or memory area into another process 14->58 60 Sample uses process hollowing technique 14->60 62 Queues an APC in another process (thread injection) 14->62 17 explorer.exe 3 1 14->17 injected process8 dnsIp9 30 bestrosetoy.com 104.255.169.179, 49698, 80 H4Y-TECHNOLOGIESUS United States 17->30 32 www.jogo.africa 17->32 34 www.bestrosetoy.com 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 mstsc.exe 17->21         started        signatures10 process11 signatures12 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48 50 Tries to detect virtualization through RDTSC time measurements 21->50 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2023-05-17 03:03:41 UTC
File Type:
PE (.Net Exe)
Extracted files:
27
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:km37 rat spyware stealer 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
Unpacked files
SH256 hash:
9fcda016e1893304ad3988b03bbc95f8b1a72479aa4749017768b8596cb767be
MD5 hash:
951615417e0f9e649c8ea871412836e3
SHA1 hash:
e89ddb5e371d22360c87173c1106a125ad87998c
SH256 hash:
16c255190eaaf1b60ec7d07abcac5f614ea197cee2416ca9d01bb563c526c87d
MD5 hash:
fb4ed205b442f470bbf10913128efdcb
SHA1 hash:
9a0a4c5ae429769e3253a9a3daefa24270b87a5b
SH256 hash:
c425fff4360fa0f4b5701fcb8bc357b2d0219675cbd05c4275a32304d58cdd62
MD5 hash:
f9e93ef667914ebfc14e61c9e0c2aa55
SHA1 hash:
5ccda9dd8cd5bad2c703f938dae8c8c85070ff95
SH256 hash:
81d3b893aad0def2fc419f00eacab146e9bc389c261bab03416ebd5155ca68eb
MD5 hash:
c9f0b8319c7ca450341379fc83a29a71
SHA1 hash:
26dbd09bb76b06cad76d1076f7a38892d4cb37d9
SH256 hash:
5fed9c873f468294fce13808c139fc7ccf40d412e052bb31c8d768750ed8a22d
MD5 hash:
22369c0dde61f15c3c210d7c85075921
SHA1 hash:
1516e1852b524257032e3471b40c242ea58ead00
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: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.

  
Delivery method
Other

Comments