MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bf229f5e63a19ca8043605dc5bf8e34f1aee23edad8f172d9a563a73356264ae. 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: bf229f5e63a19ca8043605dc5bf8e34f1aee23edad8f172d9a563a73356264ae
SHA3-384 hash: 5a03c97a41c381952653cbf258035cb9a479dd9b0cad75beeca24a58069f0ff282b75c1a3bfb4f2c20b6e01f428d275b
SHA1 hash: 692cbead7f5fab1effda3d83fbe7311b62e63c58
MD5 hash: 8f48c27472b465189d4e230924656e86
humanhash: oxygen-two-carpet-blue
File name:PO.exe
Download: download sample
Signature Formbook
File size:655'872 bytes
First seen:2022-08-10 08:22:51 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'207 x SnakeKeylogger)
ssdeep 12288:JzM2Id2iNTv/SSrU5BZ3+JXU7045umEQt/HQ1+T10KZQ3toHX3gRCCKZr71IW9bp:JzM2Id1l3oJ+JmEQtve+x0K6
TLSH T1C1D45CDC715073EFC85BC1B18A682C68EAA07C77830B8257B52711ADDA5CA87DF194B3
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 30e0dcd4d4dce030 (6 x AgentTesla, 2 x Formbook, 1 x a310Logger)
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence


File Origin
# of uploads :
1
# of downloads :
314
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
PO.exe
Verdict:
Malicious activity
Analysis date:
2022-08-10 08:25:12 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
Creating a window
Сreating synchronization primitives
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
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
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
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 domain / URL
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 681571 Sample: PO.exe Startdate: 10/08/2022 Architecture: WINDOWS Score: 100 31 www.secure-id6793-chase.com 2->31 41 Multi AV Scanner detection for domain / URL 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus detection for URL or domain 2->45 47 6 other signatures 2->47 11 PO.exe 3 2->11         started        15 explorer.exe 10 2->15         started        signatures3 process4 file5 29 C:\Users\user\AppData\Local\...\PO.exe.log, ASCII 11->29 dropped 55 Tries to detect virtualization through RDTSC time measurements 11->55 57 Injects a PE file into a foreign processes 11->57 17 PO.exe 11->17         started        signatures6 process7 signatures8 33 Modifies the context of a thread in another process (thread injection) 17->33 35 Maps a DLL or memory area into another process 17->35 37 Sample uses process hollowing technique 17->37 39 Queues an APC in another process (thread injection) 17->39 20 explorer.exe 17->20 injected process9 process10 22 explorer.exe 20->22         started        signatures11 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        process12 process13 27 conhost.exe 25->27         started       
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2022-08-10 07:14:43 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
22 of 25 (88.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:formbook family:xloader campaign:zzun loader persistence rat spyware stealer trojan
Behaviour
Gathers network information
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
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Deletes itself
Reads user/profile data of web browsers
Adds policy Run key to start application
Xloader payload
Formbook
Xloader
Unpacked files
SH256 hash:
ee9ec9235d458bb33e41db184aa746585f7527f05d4aaa83717128e88c7670bf
MD5 hash:
a4668905f7f49315c266e588c0d01b14
SHA1 hash:
f5495dd27a3fd03c33e7ac38f26d944d14217804
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
5e97ccd8dafcb36b3cb772f6a2fd425abcf221ab9ea1930e8c2618c95332f2c6
MD5 hash:
01800f6b045def8d90c649842f56d752
SHA1 hash:
f8434a4636d0772d01aac44bb3f9753a41f01d34
SH256 hash:
427bfe11ef1e0b898af591229d5ab0d3545277c67aaadefcb3b4c0a98a86f669
MD5 hash:
e7c71590d4fbd65a3996798d801853b3
SHA1 hash:
cea06da7c56c2c19da307d15b3efa5d3dfda4ec6
SH256 hash:
bf229f5e63a19ca8043605dc5bf8e34f1aee23edad8f172d9a563a73356264ae
MD5 hash:
8f48c27472b465189d4e230924656e86
SHA1 hash:
692cbead7f5fab1effda3d83fbe7311b62e63c58
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 bf229f5e63a19ca8043605dc5bf8e34f1aee23edad8f172d9a563a73356264ae

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment

Comments