MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 285cf3ef067e949b6b0e413f43b5cfe89504f3e427c4387bd76765b98d059a15. 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 3 File information Comments

SHA256 hash: 285cf3ef067e949b6b0e413f43b5cfe89504f3e427c4387bd76765b98d059a15
SHA3-384 hash: d3ebd3bfc964556241ba9d418809b8172d4f7bd15bab5f2d3c736d6884ad54c2cbfbe13a16ea69bae1b089aa2ced8ddb
SHA1 hash: 66de14608e25bafcf7e5adb7ecc5d6a302a9d5c3
MD5 hash: 6c925989c90f3ad91f76f04816800bb9
humanhash: carbon-skylark-chicken-johnny
File name:Packing List.exe
Download: download sample
Signature Formbook
File size:316'461 bytes
First seen:2021-11-24 10:27:07 UTC
Last seen:2021-12-06 14:54:56 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla)
ssdeep 6144:rGier5nQ+hcRnj1yvJMIKa35ImAcMeEafjKqrELjAWgnfO:3DovJM0emAcff+qrELjAWKO
Threatray 11'535 similar samples on MalwareBazaar
TLSH T1E2642309E391D177E3D919B52BB25BFABB7AD5C840BC4E0727887EB53677100E9009A3
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter TeamDreier
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
4
# of downloads :
137
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Packing List.exe
Verdict:
Malicious activity
Analysis date:
2021-11-24 10:30:21 UTC
Tags:
installer trojan formbook stealer

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

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a file
Unauthorized injection to a recently created process
Launching a process
Searching for synchronization primitives
Сreating synchronization primitives
Launching cmd.exe command interpreter
Sending a custom TCP request
DNS request
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
75%
Tags:
overlay packed
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.
Malware family:
Generic Malware
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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
Self deletion via cmd delete
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 dnsIp2 2 Behavior Graph ID: 527757 Sample: Packing List.exe Startdate: 24/11/2021 Architecture: WINDOWS Score: 100 31 www.drumslum.com 2->31 33 drumslum.com 2->33 37 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->37 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 7 other signatures 2->43 11 Packing List.exe 17 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\Local\...\janscnvg.dll, PE32 11->29 dropped 55 Injects a PE file into a foreign processes 11->55 15 Packing List.exe 11->15         started        signatures6 process7 signatures8 57 Modifies the context of a thread in another process (thread injection) 15->57 59 Maps a DLL or memory area into another process 15->59 61 Sample uses process hollowing technique 15->61 63 Queues an APC in another process (thread injection) 15->63 18 explorer.exe 15->18 injected process9 dnsIp10 35 www.socialteers-redondo.com 44.238.240.115, 49802, 80 AMAZON-02US United States 18->35 45 System process connects to network (likely due to code injection or exploit) 18->45 22 control.exe 18->22         started        signatures11 process12 signatures13 47 Self deletion via cmd delete 22->47 49 Modifies the context of a thread in another process (thread injection) 22->49 51 Maps a DLL or memory area into another process 22->51 53 Tries to detect virtualization through RDTSC time measurements 22->53 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Threat name:
Win32.Trojan.LokiBot
Status:
Malicious
First seen:
2021-11-24 04:33:55 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:b62n 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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Blocklisted process makes network request
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.socialteers-redondo.com/b62n/
Unpacked files
SH256 hash:
285cf3ef067e949b6b0e413f43b5cfe89504f3e427c4387bd76765b98d059a15
MD5 hash:
6c925989c90f3ad91f76f04816800bb9
SHA1 hash:
66de14608e25bafcf7e5adb7ecc5d6a302a9d5c3
Malware family:
FormBook
Verdict:
Malicious
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:Formbook
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information


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

Malspam

Formbook

Executable exe 285cf3ef067e949b6b0e413f43b5cfe89504f3e427c4387bd76765b98d059a15

(this sample)

  
Delivery method
Distributed via e-mail attachment

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