MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9cdf3733470f8fe5ab1cf50b6fe74f3aaa810996f3539ac969680aa55b4da383. 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 4 File information Comments

SHA256 hash: 9cdf3733470f8fe5ab1cf50b6fe74f3aaa810996f3539ac969680aa55b4da383
SHA3-384 hash: e9dd9d47ad2eb70a360b403c048dbce733c19df707fdbf78bcbe5d4d1c1bb095da5290b57c69a874173271d9aa7bcd07
SHA1 hash: d5966411055fd5a940ea81bf5cb4aafe75fe62d1
MD5 hash: 26516e5e7c9930e4a1173830c77e24f0
humanhash: ink-purple-five-neptune
File name:7032107020.exe
Download: download sample
Signature Formbook
File size:181'792 bytes
First seen:2022-07-12 09:18:03 UTC
Last seen:2022-07-12 10:02:10 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 1536:VQbUNsVz8q4J92Cr+b//G4Kp2DBT8vob91LbQU:VQbUk2J9J+b//NKp2DBT8iQ
TLSH T17404619BB65C778ECA07C97179B40D30A610AF77571A8502F4C3FE6C8A7C55EAE101E2
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 6ccccc9cc4d8e8f4 (41 x Formbook, 34 x AgentTesla, 3 x AveMariaRAT)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
270
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
7032107020.exe
Verdict:
Malicious activity
Analysis date:
2022-07-12 22:04:48 UTC
Tags:
opendir 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
Сreating synchronization primitives
Sending an HTTP GET request
Launching a process
Creating a file
Launching cmd.exe command interpreter
DNS request
Searching for synchronization primitives
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated overlay packed 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
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected potential unwanted application
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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 submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected FormBook
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 661782 Sample: 7032107020.exe Startdate: 12/07/2022 Architecture: WINDOWS Score: 100 32 www.ecotone-os.xyz 2->32 50 Snort IDS alert for network traffic 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Antivirus detection for URL or domain 2->54 56 9 other signatures 2->56 11 7032107020.exe 15 3 2->11         started        signatures3 process4 dnsIp5 40 2.56.57.86, 49703, 80 GBTCLOUDUS Netherlands 11->40 30 C:\Users\user\AppData\...\7032107020.exe.log, ASCII 11->30 dropped 68 Writes to foreign memory regions 11->68 70 Allocates memory in foreign processes 11->70 72 Injects a PE file into a foreign processes 11->72 16 cvtres.exe 11->16         started        file6 74 Performs DNS queries to domains with low reputation 40->74 signatures7 process8 signatures9 42 Modifies the context of a thread in another process (thread injection) 16->42 44 Maps a DLL or memory area into another process 16->44 46 Sample uses process hollowing technique 16->46 48 2 other signatures 16->48 19 explorer.exe 16->19 injected process10 dnsIp11 34 www.peacockgotv.com 81.17.29.150, 49758, 80 PLI-ASCH Switzerland 19->34 36 sepetcin.com 185.250.243.163, 49757, 80 IDEALHOSTINGTR Turkey 19->36 38 4 other IPs or domains 19->38 58 System process connects to network (likely due to code injection or exploit) 19->58 60 Performs DNS queries to domains with low reputation 19->60 23 WWAHost.exe 19->23         started        signatures12 process13 signatures14 62 Modifies the context of a thread in another process (thread injection) 23->62 64 Maps a DLL or memory area into another process 23->64 66 Tries to detect virtualization through RDTSC time measurements 23->66 26 cmd.exe 1 23->26         started        process15 process16 28 conhost.exe 26->28         started       
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2022-07-12 08:42:57 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:formbook family:xloader campaign:tn61 loader persistence rat spyware stealer suricata trojan
Behaviour
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
Reads user/profile data of web browsers
Adds policy Run key to start application
Blocklisted process makes network request
Executes dropped EXE
Xloader payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
298b2a6c9ad7fcfe548cfe3d98253986bb674a2788538e073ad1bf286e1b0202
MD5 hash:
aa38530da100b25d2794fa65f568a1de
SHA1 hash:
fc81e71b0150e4467a93925779175836437a48cf
SH256 hash:
9cdf3733470f8fe5ab1cf50b6fe74f3aaa810996f3539ac969680aa55b4da383
MD5 hash:
26516e5e7c9930e4a1173830c77e24f0
SHA1 hash:
d5966411055fd5a940ea81bf5cb4aafe75fe62d1
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:INDICATOR_EXE_Packed_ConfuserEx
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
Rule name:meth_get_eip
Author:Willi Ballenthin
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 9cdf3733470f8fe5ab1cf50b6fe74f3aaa810996f3539ac969680aa55b4da383

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

Comments