MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 eb2c77eb03b17cdb76301d30bf4b07d97f3d0a742d198cf84a191c8271a42b4a. 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: 17


Intelligence 17 IOCs YARA 3 File information Comments 1

SHA256 hash: eb2c77eb03b17cdb76301d30bf4b07d97f3d0a742d198cf84a191c8271a42b4a
SHA3-384 hash: 244da2e8b6cd26bad5a015b302ef449fd2d494212f9fbd5fcb3b717a1a315997094523882a06bce171a9ae2ac2aa645e
SHA1 hash: 406d377445ee71f514c52067f9fef4d6fa21dc46
MD5 hash: 78d449904f1a8a3000a3ba549dba764e
humanhash: foxtrot-failed-london-lima
File name:78d449904f1a8a3000a3ba549dba764e
Download: download sample
Signature Formbook
File size:628'736 bytes
First seen:2023-10-24 06:25:34 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:+hNh6sxTA6qNhOX/aGLLoT+R13rArzxC7uSbSImwcdVJLXKYkYXEZVWmB1owh:+DDxs6gnqPxAzxC7vb0nJLyYXKW+1ow
Threatray 2'112 similar samples on MalwareBazaar
TLSH T1B9D4131416FD0F7AC979ABFA78E0294303B4929E7805D34C4ED274DF5A46F22850DB9B
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 00c4cccac6a49000 (15 x AgentTesla, 4 x Formbook, 2 x SnakeKeylogger)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
307
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
REF_03351.doc
Verdict:
Malicious activity
Analysis date:
2023-10-24 06:09:55 UTC
Tags:
sinkhole exploit cve-2017-11882 loader formbook xloader stealer spyware

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
Sending a custom TCP request
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Result
Verdict:
MALICIOUS
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 method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found 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)
Modifies the prolog of user mode functions (user mode inline hooks)
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1331072 Sample: Bhl9bymdkI.exe Startdate: 24/10/2023 Architecture: WINDOWS Score: 100 34 www.zshzg.com 2->34 36 www.wanshun.vip 2->36 38 13 other IPs or domains 2->38 42 Snort IDS alert for network traffic 2->42 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 11 other signatures 2->48 11 Bhl9bymdkI.exe 3 2->11         started        signatures3 process4 signatures5 56 Tries to detect virtualization through RDTSC time measurements 11->56 58 Injects a PE file into a foreign processes 11->58 14 Bhl9bymdkI.exe 11->14         started        process6 signatures7 60 Modifies the context of a thread in another process (thread injection) 14->60 62 Maps a DLL or memory area into another process 14->62 64 Sample uses process hollowing technique 14->64 66 Queues an APC in another process (thread injection) 14->66 17 explorer.exe 13 7 14->17 injected process8 dnsIp9 28 www.shower-installation-15244.bond 104.247.82.94, 49737, 80 TEAMINTERNET-CA-ASCA Canada 17->28 30 www.shopwali.com 172.82.140.36, 49743, 80 QUICKPACKETUS United States 17->30 32 4 other IPs or domains 17->32 40 System process connects to network (likely due to code injection or exploit) 17->40 21 chkdsk.exe 17->21         started        signatures10 process11 signatures12 50 Modifies the context of a thread in another process (thread injection) 21->50 52 Maps a DLL or memory area into another process 21->52 54 Tries to detect virtualization through RDTSC time measurements 21->54 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-10-23 22:09:46 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
27 of 38 (71.05%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:o5pf rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
764626825537bb776af81a162fe5b90c71fb8999d5e31a4bcb486f7b35d346fb
MD5 hash:
1ea222ce3f8474c2e4379cf6fd75a8ba
SHA1 hash:
d5e4ae31492e35d8fe50fdd8f6092450bb87019d
Detections:
FormBook win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
fd176165a243e915851f120a7ae83a014f5ec6a3bb3f108c94cbddd49b7c8d83
MD5 hash:
d52354b7855f5d07fc4f1f78cb80b004
SHA1 hash:
ea542266f6208a83c7b34bda37c46f36f10dab1b
SH256 hash:
4ab5e7f3a1d94c564f4f81c59c08f057f5a1fa2813c8a67ac1bd546f5215d296
MD5 hash:
4b058987169a1430465091373c4b600a
SHA1 hash:
92ea56e21daf85ac2db4212c9b30dc1e81d517c9
SH256 hash:
d511c0658340ec9d35d8f08fd22ae55c6aeebcb52dac453040817a6f9ffd7e43
MD5 hash:
3ac67cb9041168e636198401f53d857b
SHA1 hash:
6207398f41db994130c80150a0c2598045e68b45
SH256 hash:
eb2c77eb03b17cdb76301d30bf4b07d97f3d0a742d198cf84a191c8271a42b4a
MD5 hash:
78d449904f1a8a3000a3ba549dba764e
SHA1 hash:
406d377445ee71f514c52067f9fef4d6fa21dc46
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:NET
Author:malware-lu
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 eb2c77eb03b17cdb76301d30bf4b07d97f3d0a742d198cf84a191c8271a42b4a

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2023-10-24 06:25:35 UTC

url : hxxp://china.dhabigroup.top/_errorpages/sbin22zx.exe