MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 57f01cdded3c545f55b5dc74630fc7cb9679abe58949e706bef98014f6578ab4. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments

SHA256 hash: 57f01cdded3c545f55b5dc74630fc7cb9679abe58949e706bef98014f6578ab4
SHA3-384 hash: e4b2d0fcad6171799967b3e9ba9cbcb7bb009e76720693961798fa89fc01ea58d4ac54dcdd88a45fe43a7b5fcaae0dcb
SHA1 hash: e0e28747f62c5d4e51b0171400eb3d5cc1c51ff0
MD5 hash: 68be72146a5479fc86962f3534ab4b2c
humanhash: romeo-cola-magnesium-four
File name:G & S CHEMICAL AGENCIES-PDF-SCAN-COPY.exe
Download: download sample
Signature Formbook
File size:761'344 bytes
First seen:2022-06-01 13:35:38 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 12288:w7Os6SIcd1AaDeLOgMRNoUo0Z7zLAKJzmtkFE3rbD4vWBwb0Df9uL:Kz0tLp2fZmtOGbUeB9r
Threatray 13'839 similar samples on MalwareBazaar
TLSH T1CAF40164326C1668C6B9877A20B9C254437D3966E72EC70E3993B4CD1CF77818B067EB
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
360
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
G & S CHEMICAL AGENCIES-PDF-SCAN-COPY.exe
Verdict:
Malicious activity
Analysis date:
2022-06-01 13:39:15 UTC
Tags:
formbook trojan stealer

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
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process from a recently created file
Creating a process with a hidden window
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
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
Adds a directory exclusion to Windows Defender
Machine Learning detection for dropped file
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)
Multi AV Scanner detection for dropped file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd or bat file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 637581 Sample: G & S CHEMICAL AGENCIES-PDF... Startdate: 01/06/2022 Architecture: WINDOWS Score: 100 45 www.pornolsba.mobi 2->45 47 www.daitoryu.site 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 Multi AV Scanner detection for dropped file 2->51 53 Yara detected AntiVM3 2->53 55 7 other signatures 2->55 11 G & S CHEMICAL AGENCIES-PDF-SCAN-COPY.exe 7 2->11         started        signatures3 process4 file5 37 C:\Users\user\AppData\...\VkdqWUkduT.exe, PE32 11->37 dropped 39 C:\Users\...\VkdqWUkduT.exe:Zone.Identifier, ASCII 11->39 dropped 41 C:\Users\user\AppData\Local\...\tmp14E6.tmp, XML 11->41 dropped 43 G & S CHEMICAL AGE...F-SCAN-COPY.exe.log, ASCII 11->43 dropped 57 Adds a directory exclusion to Windows Defender 11->57 15 G & S CHEMICAL AGENCIES-PDF-SCAN-COPY.exe 11->15         started        18 powershell.exe 25 11->18         started        20 schtasks.exe 1 11->20         started        signatures6 process7 signatures8 67 Modifies the context of a thread in another process (thread injection) 15->67 69 Maps a DLL or memory area into another process 15->69 71 Sample uses process hollowing technique 15->71 73 Queues an APC in another process (thread injection) 15->73 22 explorer.exe 15->22 injected 24 conhost.exe 18->24         started        26 conhost.exe 20->26         started        process9 process10 28 help.exe 22->28         started        signatures11 59 Self deletion via cmd or bat file 28->59 61 Modifies the context of a thread in another process (thread injection) 28->61 63 Maps a DLL or memory area into another process 28->63 65 Tries to detect virtualization through RDTSC time measurements 28->65 31 cmd.exe 1 28->31         started        33 explorer.exe 114 28->33         started        process12 process13 35 conhost.exe 31->35         started       
Threat name:
ByteCode-MSIL.Trojan.RemLoader
Status:
Malicious
First seen:
2022-06-01 13:36:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
38
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:ae25 rat spyware stealer suricata trojan
Behaviour
Creates scheduled task(s)
Modifies registry class
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
Checks computer location settings
Deletes itself
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
da90732f2af52a0439626d8ea2092f33ae31945b6f0933478677ffafd5fbfdaf
MD5 hash:
341091a269bf5481fa611ce349494891
SHA1 hash:
dff14f0777170c64d92b2cfb46c09f754ee997aa
SH256 hash:
879c29560b21be7d9b69ca27ca4756df86e080fa3e34cb191aad5cb1e5f05504
MD5 hash:
30b6a54a992eae921a2eb8c5ea130911
SHA1 hash:
1c83f0319bffe007077c6656418c9b7344d5affe
SH256 hash:
2791deddaa19e414922b80c29bad38a57ebc98462d8963f80fffae6b3c247f25
MD5 hash:
c53677542099d3088fc25b9a83118d10
SHA1 hash:
029761d322b20217b547695ae60b01558bce1c95
SH256 hash:
57f01cdded3c545f55b5dc74630fc7cb9679abe58949e706bef98014f6578ab4
MD5 hash:
68be72146a5479fc86962f3534ab4b2c
SHA1 hash:
e0e28747f62c5d4e51b0171400eb3d5cc1c51ff0
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.

Malspam

Formbook

Executable exe 57f01cdded3c545f55b5dc74630fc7cb9679abe58949e706bef98014f6578ab4

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

Comments