MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 740cc8f312eef16d83b7c49fe33519ae293bf1c1c2f80e0482c34ea3a9473843. 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: 740cc8f312eef16d83b7c49fe33519ae293bf1c1c2f80e0482c34ea3a9473843
SHA3-384 hash: 8fb7e65e6c04b820a425b23e0fc4a866bb298b837d4f69dac031159e7fd5a48d8650e1fd74ec51b3d8ba129a8bff328f
SHA1 hash: 8eca1b6a15d2cc50de7512599c2954960819fe3d
MD5 hash: cea20e0624bd098e27ff9d90788329a5
humanhash: cat-autumn-batman-echo
File name:PO# 0499699 - CHEONGIN INTL PTE.LTD-HCM CITY.exe
Download: download sample
Signature FormBook
File size:731'136 bytes
First seen:2022-06-07 06:54:58 UTC
Last seen:2022-06-07 06:57:27 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'473 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:FJi//09qQ+ydIih3xT5PIWjhtsfShXCK5XTwIAnRoyp4H69ZRyptY:7i//0PndLPIWjvsWCKhTwIAnRJKajQpW
Threatray 13'894 similar samples on MalwareBazaar
TLSH T167F4CF90B3ABAF75F1BC53F26520900807F4691E95E0D22A5EDDB0CE32B1B425AF5E17
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)
File icon (PE):PE icon
dhash icon cc00ecc4b6e400c4 (8 x Loki, 7 x AgentTesla, 7 x SnakeKeylogger)
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
291
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
PO# 0499699 - CHEONGIN INTL PTE.LTD-HCM CITY.exe
Verdict:
Malicious activity
Analysis date:
2022-06-07 07:13:50 UTC
Tags:
trojan formbook stealer

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

Behaviour
Launching a process
Creating a process with a hidden window
Creating a window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed replace.exe update.exe
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.spyw.evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected FormBook malware
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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
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
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 640364 Sample: PO# 0499699 - CHEONGIN INTL... Startdate: 07/06/2022 Architecture: WINDOWS Score: 100 50 Malicious sample detected (through community Yara rule) 2->50 52 Antivirus detection for URL or domain 2->52 54 Multi AV Scanner detection for dropped file 2->54 56 11 other signatures 2->56 10 PO# 0499699 - CHEONGIN INTL PTE.LTD-HCM CITY.exe 7 2->10         started        process3 file4 38 C:\Users\user\AppData\Roaming\iLbnoT.exe, PE32 10->38 dropped 40 C:\Users\user\...\iLbnoT.exe:Zone.Identifier, ASCII 10->40 dropped 42 C:\Users\user\AppData\Local\...\tmp5E71.tmp, XML 10->42 dropped 44 PO# 0499699 - CHEO...TD-HCM CITY.exe.log, ASCII 10->44 dropped 58 Adds a directory exclusion to Windows Defender 10->58 60 Injects a PE file into a foreign processes 10->60 14 PO# 0499699 - CHEONGIN INTL PTE.LTD-HCM CITY.exe 10->14         started        17 powershell.exe 25 10->17         started        19 schtasks.exe 1 10->19         started        signatures5 process6 signatures7 70 Modifies the context of a thread in another process (thread injection) 14->70 72 Maps a DLL or memory area into another process 14->72 74 Sample uses process hollowing technique 14->74 76 Queues an APC in another process (thread injection) 14->76 21 explorer.exe 14->21 injected 23 conhost.exe 17->23         started        25 conhost.exe 19->25         started        process8 process9 27 chkdsk.exe 18 21->27         started        file10 46 C:\Users\user\AppData\...\4K7logrv.ini, data 27->46 dropped 48 C:\Users\user\AppData\...\4K7logri.ini, data 27->48 dropped 62 Detected FormBook malware 27->62 64 Tries to steal Mail credentials (via file / registry access) 27->64 66 Tries to harvest and steal browser information (history, passwords, etc) 27->66 68 3 other signatures 27->68 31 cmd.exe 2 27->31         started        34 explorer.exe 122 27->34         started        signatures11 process12 signatures13 78 Tries to harvest and steal browser information (history, passwords, etc) 31->78 36 conhost.exe 31->36         started        process14
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2022-06-07 02:12:57 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:ltr1 rat spyware stealer suricata trojan
Behaviour
Creates scheduled task(s)
Modifies Internet Explorer settings
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
Reads user/profile data of web browsers
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
fe78017f2153de0c5ca645c4255899ab044502fe5c77d5c04ced635d9fe981d9
MD5 hash:
ab47b292d4d39311539a0b97e6661f4f
SHA1 hash:
54cd9efbebe4f41b23e6f24fffac0da8f72d921b
SH256 hash:
18975a936f55c014bdf89905ca92c63e46250f9adb06a70ce99ff9220c5c3ce8
MD5 hash:
b4ff828c5245678c7aae91c390de7988
SHA1 hash:
4666bf0b33004461db8e12f84b8cc3416c88c8ce
SH256 hash:
1f73ce7671e82888c613307104a9e11f437c94184114792aa2032b03dbf1ed83
MD5 hash:
bf46838183cb468011ebc03b26ac463a
SHA1 hash:
135c31242c6871d8ca213b4af37e2930c6f4a1f9
SH256 hash:
740cc8f312eef16d83b7c49fe33519ae293bf1c1c2f80e0482c34ea3a9473843
MD5 hash:
cea20e0624bd098e27ff9d90788329a5
SHA1 hash:
8eca1b6a15d2cc50de7512599c2954960819fe3d
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 740cc8f312eef16d83b7c49fe33519ae293bf1c1c2f80e0482c34ea3a9473843

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments