MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ac021bbe155b54ac93bd5ca40b6ca6130174d6d192c6fd2011e9677d56c09f4d. 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: ac021bbe155b54ac93bd5ca40b6ca6130174d6d192c6fd2011e9677d56c09f4d
SHA3-384 hash: 413b5ee5826b8329504ea32386ff9c313052a07b5f20bcd8e510a6ea00ac170cb7f6156ed8402e3a19602d10a207254d
SHA1 hash: 8c9831b837374d718e24d35ec7e93f642a2b74ba
MD5 hash: d403ceb699085cfd12ada96aa419a37b
humanhash: rugby-alpha-xray-oranges
File name:PRODUCT LIST.exe
Download: download sample
Signature Formbook
File size:606'720 bytes
First seen:2021-11-11 09:19:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:9NkLt1ac75ZalBvZ6sOEBb0OAZcELFacWHi+MnMVuL0477oaXnz61QIb:0tkCalCsOw0OACELwTC+TY0gz
Threatray 11'133 similar samples on MalwareBazaar
TLSH T1FDD40188B485C165EC650BB9895649E54333BD7AEE10FB6F3AC4F35E2B333D28426613
File icon (PE):PE icon
dhash icon 90ba7181e46588f0 (31 x AgentTesla, 11 x Formbook, 9 x Loki)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
105
Origin country :
n/a
Vendor Threat Intelligence
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook obfuscated 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
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
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
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses ipconfig to lookup or modify the Windows network settings
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 519827 Sample: PRODUCT LIST.exe Startdate: 11/11/2021 Architecture: WINDOWS Score: 100 39 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 8 other signatures 2->45 10 PRODUCT LIST.exe 3 2->10         started        process3 file4 27 C:\Users\user\...\PRODUCT LIST.exe.log, ASCII 10->27 dropped 13 PRODUCT LIST.exe 10->13         started        process5 signatures6 55 Modifies the context of a thread in another process (thread injection) 13->55 57 Maps a DLL or memory area into another process 13->57 59 Sample uses process hollowing technique 13->59 61 Queues an APC in another process (thread injection) 13->61 16 explorer.exe 13->16 injected process7 dnsIp8 29 www.aprilsaak.quest 37.123.118.150, 49853, 80 UK2NET-ASGB United Kingdom 16->29 31 360metaverse.biz 15.197.142.173, 49826, 80 TANDEMUS United States 16->31 33 3 other IPs or domains 16->33 35 System process connects to network (likely due to code injection or exploit) 16->35 37 Uses ipconfig to lookup or modify the Windows network settings 16->37 20 ipconfig.exe 16->20         started        signatures9 process10 signatures11 47 Self deletion via cmd delete 20->47 49 Modifies the context of a thread in another process (thread injection) 20->49 51 Maps a DLL or memory area into another process 20->51 53 Tries to detect virtualization through RDTSC time measurements 20->53 23 cmd.exe 1 20->23         started        process12 process13 25 conhost.exe 23->25         started       
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2021-11-11 07:36:34 UTC
AV detection:
12 of 41 (29.27%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:r4gk rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.aprilsaak.quest/r4gk/
Unpacked files
SH256 hash:
bd4c4912209802bb457983177d94b220d20dc9775ff973f90bd1c6afd729bc9c
MD5 hash:
8cde05c2cc918a68b075bdb2854c9994
SHA1 hash:
bc3c4e2826370171102ee8b7bd317493cd72c15f
SH256 hash:
2a541cbfcf414d17f1f4aedc56fdca4aece89afca973c013751b4c009b15fe05
MD5 hash:
eb7697625f094e84341cdad5661db066
SHA1 hash:
2e03053131c0535631a8d1b3bed6620f32c69472
SH256 hash:
ac021bbe155b54ac93bd5ca40b6ca6130174d6d192c6fd2011e9677d56c09f4d
MD5 hash:
d403ceb699085cfd12ada96aa419a37b
SHA1 hash:
8c9831b837374d718e24d35ec7e93f642a2b74ba
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:pe_imphash
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 ac021bbe155b54ac93bd5ca40b6ca6130174d6d192c6fd2011e9677d56c09f4d

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

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