MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e41122044db8ad3ee6a74cbd7e58e878ace8362acb204f4ef1b744af1cb8f4d6. 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: e41122044db8ad3ee6a74cbd7e58e878ace8362acb204f4ef1b744af1cb8f4d6
SHA3-384 hash: b2bffd132b6ec2b819f09aa348010e0ca88a90431689be33c7bb972c7be60a63ddfbaac9d3f1b6661f758b792f466160
SHA1 hash: 42485d71c5f1094ce16756a00d37f0f202f4c59a
MD5 hash: 3bccd05d73b8404a86d4bf0bd96c78be
humanhash: quebec-apart-potato-comet
File name:3bccd05d73b8404a86d4bf0bd96c78be.exe
Download: download sample
Signature Formbook
File size:545'792 bytes
First seen:2022-06-28 10:26:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:BVfZ2iN/2iNaRk4j3v7e4b77QSfgch87/oDK3ZHIWoScV2kPRxliW1:/fZ1J1qe45fg+8kW3ZoWKV2kPRrh
TLSH T12DC4129D22F8071AE5FA17FD19F8222427B5B00DA5D0E21B7DF122CAFD6673445A0B27
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)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
215
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Verdict:
No Threat
Threat level:
  2/10
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
.NET source code contains potential unpacker
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
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
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 653607 Sample: 9d2qz5lg2j.exe Startdate: 28/06/2022 Architecture: WINDOWS Score: 100 36 www.cornerstone-ma.com 2->36 40 Snort IDS alert for network traffic 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 Antivirus detection for URL or domain 2->44 46 8 other signatures 2->46 11 9d2qz5lg2j.exe 3 2->11         started        signatures3 process4 file5 34 C:\Users\user\AppData\...\9d2qz5lg2j.exe.log, ASCII 11->34 dropped 52 Tries to detect virtualization through RDTSC time measurements 11->52 54 Injects a PE file into a foreign processes 11->54 15 9d2qz5lg2j.exe 11->15         started        18 9d2qz5lg2j.exe 11->18         started        20 9d2qz5lg2j.exe 11->20         started        signatures6 process7 signatures8 56 Modifies the context of a thread in another process (thread injection) 15->56 58 Maps a DLL or memory area into another process 15->58 60 Sample uses process hollowing technique 15->60 62 Queues an APC in another process (thread injection) 15->62 22 explorer.exe 15->22 injected process9 process10 24 msiexec.exe 22->24         started        signatures11 48 Modifies the context of a thread in another process (thread injection) 24->48 50 Maps a DLL or memory area into another process 24->50 27 explorer.exe 1 173 24->27         started        30 cmd.exe 1 24->30         started        process12 dnsIp13 38 192.168.2.1 unknown unknown 27->38 32 conhost.exe 30->32         started        process14
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2022-06-28 07:57:45 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
21 of 25 (84.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:rv4k rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Unpacked files
SH256 hash:
5995e1fbb91dbfad514b36b96f79365f66b61957af56ebb8dd00b2a245c1b7b0
MD5 hash:
57d30ab4bc396455eaf47a444a829621
SHA1 hash:
e6683c40eaa4eef4fbe0aef0f8ac73bc26e2df4c
Detections:
win_formbook_g0 win_formbook_auto FormBook
SH256 hash:
0cb6aef1fa57d11408e47ae071485ef8f48c2982997b8d74b47a4151d85b978c
MD5 hash:
843aa6edf83bff7b61c6a5369ef41e95
SHA1 hash:
d1bfeec8eaac9a1dacf2f7062ce964d8e7d77085
SH256 hash:
77fafd4c2d2d10ff430f602f5e179a8626a79975f081372a0b3340302a38afe2
MD5 hash:
69fbda8ae1f07e984b694c0f85b84314
SHA1 hash:
cd6fcac15dea1e1cc4aeba744cc8f34588462fa7
SH256 hash:
3f990990d3476c14adf535a4d285fa995453aca6e3846624a394f12f342ecdb3
MD5 hash:
5359e94e771745787bb7380b80e0ba8d
SHA1 hash:
6fdf6f6c9fd65de75b849441c69f12b87925043e
SH256 hash:
bffb5fd9c9ae3a9488dbc5a1f88f3fb7cdbbcbab414011713ce17f76ae857646
MD5 hash:
ee963f413c8b4c17b9a1f4879281beec
SHA1 hash:
4c3520bdb17407a47d424724a800a38d8aa19c19
SH256 hash:
e41122044db8ad3ee6a74cbd7e58e878ace8362acb204f4ef1b744af1cb8f4d6
MD5 hash:
3bccd05d73b8404a86d4bf0bd96c78be
SHA1 hash:
42485d71c5f1094ce16756a00d37f0f202f4c59a
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.

Web download

Formbook

Executable exe e41122044db8ad3ee6a74cbd7e58e878ace8362acb204f4ef1b744af1cb8f4d6

(this sample)

  
Delivery method
Distributed via web download

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