MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4c82ea367bd7a79a5ef059e8f1910af89374e4e4fb75819c5540f3126904c33d. 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 2 File information Comments

SHA256 hash: 4c82ea367bd7a79a5ef059e8f1910af89374e4e4fb75819c5540f3126904c33d
SHA3-384 hash: 5221e3fcd1661d0a998259914cfd50390d6666b434134772db6901cbe3b8827007cd856b40a2471c1589218224c427fb
SHA1 hash: 55276204b803919671efb6f2f3efcffd966a45f5
MD5 hash: 49f4c45676039fd54aac8a071f94516a
humanhash: march-mississippi-lactose-island
File name:Payment Details To Be Confirmed By The Supplier-Outstanding Overhaul Payment Plans.exe
Download: download sample
Signature Formbook
File size:771'584 bytes
First seen:2022-12-20 13:00:21 UTC
Last seen:2023-01-05 14:17:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:IRO1oTznmbhMyslC4Ff4VAPQnDcMEN2OC3ZZ3OLXyCPhAehz8g3g43XR8:IEiTznmbalZtPQnDcMS2OqZUCjIog3Re
TLSH T194F49D1231F2A4A3F4C714765020BACC1C3D7213E6E5E25B6A753E9562029BBFBD4F62
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)
Reporter cocaman
Tags:exe FormBook payment

Intelligence


File Origin
# of uploads :
2
# of downloads :
168
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Payment Details To Be Confirmed By The Supplier-Outstanding Overhaul Payment Plans.exe
Verdict:
Malicious activity
Analysis date:
2022-12-20 13:02:32 UTC
Tags:
formbook xloader 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
Sending a custom TCP request
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Gathering data
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
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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
Sigma detected: Scheduled temp file as task from temp location
System process connects to network (likely due to code injection or exploit)
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 signatures2 2 Behavior Graph ID: 770657 Sample: Payment Details To Be Confi... Startdate: 20/12/2022 Architecture: WINDOWS Score: 100 64 Malicious sample detected (through community Yara rule) 2->64 66 Sigma detected: Scheduled temp file as task from temp location 2->66 68 Multi AV Scanner detection for submitted file 2->68 70 11 other signatures 2->70 10 Payment Details To Be Confirmed By The Supplier-Outstanding Overhaul Payment Plans.exe 7 2->10         started        14 uJKNqtQZlm.exe 5 2->14         started        process3 file4 46 C:\Users\user\AppData\...\uJKNqtQZlm.exe, PE32 10->46 dropped 48 C:\Users\...\uJKNqtQZlm.exe:Zone.Identifier, ASCII 10->48 dropped 50 C:\Users\user\AppData\Local\...\tmpC5BB.tmp, XML 10->50 dropped 52 Payment Details To...yment Plans.exe.log, ASCII 10->52 dropped 78 Adds a directory exclusion to Windows Defender 10->78 80 Injects a PE file into a foreign processes 10->80 16 Payment Details To Be Confirmed By The Supplier-Outstanding Overhaul Payment Plans.exe 10->16         started        19 powershell.exe 21 10->19         started        21 schtasks.exe 1 10->21         started        82 Multi AV Scanner detection for dropped file 14->82 84 Machine Learning detection for dropped file 14->84 86 Tries to detect virtualization through RDTSC time measurements 14->86 23 uJKNqtQZlm.exe 14->23         started        25 schtasks.exe 1 14->25         started        signatures5 process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 16->56 58 Maps a DLL or memory area into another process 16->58 60 Sample uses process hollowing technique 16->60 62 Queues an APC in another process (thread injection) 16->62 27 explorer.exe 16->27 injected 31 conhost.exe 19->31         started        33 conhost.exe 21->33         started        35 conhost.exe 25->35         started        process8 dnsIp9 54 www.fixmyconsole.africa 27->54 88 System process connects to network (likely due to code injection or exploit) 27->88 37 cmstp.exe 27->37         started        40 colorcpl.exe 27->40         started        signatures10 process11 signatures12 72 Modifies the context of a thread in another process (thread injection) 37->72 74 Maps a DLL or memory area into another process 37->74 76 Tries to detect virtualization through RDTSC time measurements 37->76 42 cmd.exe 1 37->42         started        process13 process14 44 conhost.exe 42->44         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-12-20 06:37:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:as48 rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
Gathers network information
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
Unpacked files
SH256 hash:
fc6485350cf55dc14ecbfd9b91b7a9979f61023b4104101e9f351caa6c73abaa
MD5 hash:
6c3fdb2b5d93cf814ea1b6ca05a0efcf
SHA1 hash:
f8ae5f9fa1c9b6b0e47b2f0873d2ee3373e0ebf5
SH256 hash:
4fcd6df3e38aa69a2a8a7713013691e89fdafbed37a9943bdfc025f4387d09ce
MD5 hash:
158aa4c7a845bea48f665b6e37cf6485
SHA1 hash:
bcd5e514b1ff7a669b131d9796db2f61ab1101d1
SH256 hash:
99e183f0ca61f209a0813609a678394674ca4cee523781d93c6eba2206595657
MD5 hash:
5f5261d78f920db90e27420e65d757a6
SHA1 hash:
229c8808ba57201413cc83ee178fccd9f0caddda
SH256 hash:
ff1b42ea7d56a37eae801adbddb7116f52a4664c0b41302736f522852edc2747
MD5 hash:
89ac57478044c57c7195943116a521e0
SHA1 hash:
1ff2bafeed795423e3538d810bda8e1e3fcdcfa5
SH256 hash:
4c82ea367bd7a79a5ef059e8f1910af89374e4e4fb75819c5540f3126904c33d
MD5 hash:
49f4c45676039fd54aac8a071f94516a
SHA1 hash:
55276204b803919671efb6f2f3efcffd966a45f5
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 4c82ea367bd7a79a5ef059e8f1910af89374e4e4fb75819c5540f3126904c33d

(this sample)

Comments