MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b24fbc3057f54fc0facdd4da5d0a4e4a340af76a32fdc2074cd7545838a0db08. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b24fbc3057f54fc0facdd4da5d0a4e4a340af76a32fdc2074cd7545838a0db08
SHA3-384 hash: 7ada9e1f4f131287288199f7093336b667c1774ded2fa2ea96a4748182d550760b30f9a193582c4bedf489fac1405ac9
SHA1 hash: f9f3e5e8d07d1c66f510bac3a6dec5c396b9d639
MD5 hash: e8efe98153e26277066ef7386735cf73
humanhash: helium-jig-oven-tennis
File name:PURCHASE ORDER-34002174,pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:93'696 bytes
First seen:2022-11-03 08:39:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'817 x AgentTesla, 19'740 x Formbook, 12'286 x SnakeKeylogger)
ssdeep 1536:PMM8BNRIOkzRv+iu65jDLt6EXL42TJXrlrurqyHpJBglo7Qjm9nDhPTHOmVcl:mzk3D5jvtBE2BBrgvpJCIZBhPLO8Y
TLSH T14C93AE527400C6B2F27C03F57A8BDB6216BE7CFB5CC1165236DC397AAE71321424A91B
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 696662e2d2b2c26a (3 x Formbook, 2 x LummaStealer, 1 x ZgRAT)
Reporter Anonymous
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
255
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
PURCHASE ORDER-34002174,pdf.exe
Verdict:
Malicious activity
Analysis date:
2022-11-03 08:40:07 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/f5703d06-4e87-4fcc-85b0-3d14e103c791

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/327784/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Sending an HTTP GET request
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Searching for synchronization primitives
Launching the process to change network settings
DNS request
Reading critical registry keys
Creating a file in the %temp% directory
Launching a process
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/63637e64fe481257b8fc059c/reports/6f36240e-dc2c-45bb-b263-4e5346df8f21/overview
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/34aaebc6-1062-45ea-a08d-9a4eab70514c
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1104162
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Deletes itself after installation
Executable has a suspicious name (potential lure to open the executable)
Initial sample is a PE file and has a suspicious name
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 harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 736824 Sample: PURCHASE ORDER-34002174,pdf.exe Startdate: 03/11/2022 Architecture: WINDOWS Score: 100 28 www.evernamed.website 2->28 38 Snort IDS alert for network traffic 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 Antivirus detection for URL or domain 2->42 44 7 other signatures 2->44 9 PURCHASE ORDER-34002174,pdf.exe 15 3 2->9         started        signatures3 process4 dnsIp5 36 185.216.71.66, 49699, 80 CLOUDCOMPUTINGDE Germany 9->36 26 C:\...\PURCHASE ORDER-34002174,pdf.exe.log, ASCII 9->26 dropped 58 Injects a PE file into a foreign processes 9->58 14 PURCHASE ORDER-34002174,pdf.exe 9->14         started        17 PURCHASE ORDER-34002174,pdf.exe 9->17         started        file6 signatures7 process8 signatures9 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 19 explorer.exe 14->19 injected process10 dnsIp11 30 www.textilesandgarments.com 64.190.63.111, 49707, 49708, 80 NBS11696US United States 19->30 32 www.plaboot.xyz 162.0.233.14, 49705, 49706, 80 NAMECHEAP-NETUS Canada 19->32 34 3 other IPs or domains 19->34 46 System process connects to network (likely due to code injection or exploit) 19->46 48 Performs DNS queries to domains with low reputation 19->48 23 msiexec.exe 13 19->23         started        signatures12 process13 signatures14 50 Tries to steal Mail credentials (via file / registry access) 23->50 52 Tries to harvest and steal browser information (history, passwords, etc) 23->52 54 Deletes itself after installation 23->54 56 2 other signatures 23->56
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b24fbc3057f54fc0facdd4da5d0a4e4a340af76a32fdc2074cd7545838a0db08/
Threat name:
ByteCode-MSIL.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2022-11-03 08:04:51 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
24 of 41 (58.54%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wjh3ymcx6vh4b6wn2tnf2csoji2av53kgl64eb2m25kfqofa3mea._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
masslogger
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:u6s1 rat spyware stealer trojan
Link:
https://tria.ge/reports/221103-kkwldagcf4/
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Blocklisted process makes network request
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/949aecf5-4b4b-4838-b56d-df1fb2a6c84a
Unpacked files
SH256 hash:
b24fbc3057f54fc0facdd4da5d0a4e4a340af76a32fdc2074cd7545838a0db08
MD5 hash:
e8efe98153e26277066ef7386735cf73
SHA1 hash:
f9f3e5e8d07d1c66f510bac3a6dec5c396b9d639
Detections:
PureCrypter_Stage1
Create hunting rule
Link:
https://www.unpac.me/results/6536a8da-cdbf-41d2-ba85-e0ae189b094c/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/b24fbc3057f54fc0facdd4da5d0a4e4a340af76a32fdc2074cd7545838a0db08

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_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Cape
Cape
https://www.capesandbox.com/analysis/327784/

Comments