MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 05aed53e8423caa4f5e47b2a77e58a1a882e42c03fa9f99cd88ce07d8da3aea2. 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: 05aed53e8423caa4f5e47b2a77e58a1a882e42c03fa9f99cd88ce07d8da3aea2
SHA3-384 hash: 9c4e1b65658e10a58a15a1abd67fe6de009fe86ac62948e394915c975df49a0409adb6b8f281c448988b474f36ae9eeb
SHA1 hash: 418a672527adf6a337e98a6cc235d30d00066d48
MD5 hash: f23e89543e8627182579f68c5916fd05
humanhash: michigan-fanta-sweet-venus
File name:QUOTATION FOR PR24849983_docx.exe
Download: download sample
Signature Formbook
File size:606'208 bytes
First seen:2022-04-27 06:38:52 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:ATPddEYryyxLWJeROpWFYOKfHddWTrTpHkF/QCvDLCF/5MYyxGin+NAVO3:2xXQJpoeHWqF/lDLCd5aCR3
TLSH T142D40220F7E81F56C7AB57BAF868410487F2A61B7242EB8F5CD5F0DA0C6135216227B7
TrID 49.6% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
21.2% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
8.9% (.SCR) Windows screen saver (13101/52/3)
7.1% (.EXE) Win64 Executable (generic) (10523/12/4)
4.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
File icon (PE):PE icon
dhash icon 69dca0e8e8e0c448 (22 x AgentTesla, 8 x SnakeKeylogger, 6 x Loki)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
256
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
msbuild.exe obfuscated packed replace.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.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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 submitted file
Queues an APC in another process (thread injection)
Self deletion via cmd delete
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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: 616307 Sample: QUOTATION FOR PR24849983_docx.exe Startdate: 27/04/2022 Architecture: WINDOWS Score: 100 31 www.webuywholesalerhouses.com 2->31 33 webuywholesalerhouses.com 2->33 35 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->35 37 Found malware configuration 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 7 other signatures 2->41 11 QUOTATION FOR PR24849983_docx.exe 3 2->11         started        signatures3 process4 file5 29 C:\...\QUOTATION FOR PR24849983_docx.exe.log, ASCII 11->29 dropped 51 Injects a PE file into a foreign processes 11->51 15 QUOTATION FOR PR24849983_docx.exe 11->15         started        signatures6 process7 signatures8 53 Modifies the context of a thread in another process (thread injection) 15->53 55 Maps a DLL or memory area into another process 15->55 57 Queues an APC in another process (thread injection) 15->57 18 explorer.exe 15->18 injected process9 process10 20 systray.exe 18->20         started        signatures11 43 Self deletion via cmd delete 20->43 45 Modifies the context of a thread in another process (thread injection) 20->45 47 Maps a DLL or memory area into another process 20->47 49 Tries to detect virtualization through RDTSC time measurements 20->49 23 cmd.exe 1 20->23         started        25 explorer.exe 2 182 20->25         started        process12 process13 27 conhost.exe 23->27         started       
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2022-04-27 02:09:29 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
15 of 26 (57.69%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:amdf rat spyware stealer suricata 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
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
92fc621e886ad486195efe1b074a5186c27599e3dd4d71c72cae3078b8660ae2
MD5 hash:
e80503550a2aa077f62f09c7dc6be7e4
SHA1 hash:
f93e86c149eac50b611a1f9a7b59f5d81026262c
SH256 hash:
499af7339c3fc1fc00d667bb1e3e2342ce7902d4bc8907657dca0de5c23570ec
MD5 hash:
a025ad064ec777fd9ffb7efae47dd4bf
SHA1 hash:
f7f268fe9e9e7e853ca7fa09bd4cad8241c48fac
SH256 hash:
0ae645033a2ace28e978547942a2a1967a0c3d5c8e3aaf2162fc68b4d18814b4
MD5 hash:
0c3f47b07a6b37e41e0d4e5aedf8b600
SHA1 hash:
cd57ec6012bcbbee64f2b777a53a1c51ac574970
SH256 hash:
05aed53e8423caa4f5e47b2a77e58a1a882e42c03fa9f99cd88ce07d8da3aea2
MD5 hash:
f23e89543e8627182579f68c5916fd05
SHA1 hash:
418a672527adf6a337e98a6cc235d30d00066d48
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 05aed53e8423caa4f5e47b2a77e58a1a882e42c03fa9f99cd88ce07d8da3aea2

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

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