MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 12827a41d1bccb41a635ea9837a5eade7efadf556069b2bd734dbbfe7fa408bd. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 12827a41d1bccb41a635ea9837a5eade7efadf556069b2bd734dbbfe7fa408bd
SHA3-384 hash: d078548a7f492286090146de2d40400dca55b5705858d09feba3839a4c2d82353c0cddcc31ba8e2f6e2d84723428ccaa
SHA1 hash: 00c9c5e2234c9ef72150f71ef4f7683c3711af96
MD5 hash: 3625a55c61f328e9e72c02841c7e975b
humanhash: four-five-arizona-beryllium
File name:rSwift174523051SXAXXX.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:655'360 bytes
First seen:2023-05-23 11:58:58 UTC
Last seen:2023-05-23 12:29:02 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:E+nWsnLbOaNbVxKfETzcz2SDNPY4THtOsX5FxIuR9qFMT01is:T/OaDIUzcz2KhLT7FxEP1
Threatray 3'091 similar samples on MalwareBazaar
TLSH T10AD4F16B164B8832C96207F95566E2BD92327FE5363B9326D8E37C73F13A3035C06196
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 68ec9acaabd0dcf0 (12 x Loki, 8 x AgentTesla, 4 x Formbook)
Reporter FXOLabs
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
266
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
rSwift174523051SXAXXX.exe
Verdict:
Malicious activity
Analysis date:
2023-05-23 12:02:05 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/d15c0a35-3e34-4c0e-a3d5-453953e2ed09

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.2042.1898.25294.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
comodo formbook packed remcos
Link:
https://www.filescan.io/uploads/646caa86c8e1d34c6ef354fc/reports/8136195d-7e86-4a8d-b8c5-42b605402307/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/12827a41d1bccb41a635ea9837a5eade7efadf556069b2bd734dbbfe7fa408bd
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/201e926c-b97c-45d8-add6-1f4e11d23ca5
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1240768
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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
Uses netsh to modify the Windows network and firewall settings
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 873778 Sample: rSwift174523051SXAXXX.exe Startdate: 23/05/2023 Architecture: WINDOWS Score: 100 33 www.arafat.xyz 2->33 41 Snort IDS alert for network traffic 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 7 other signatures 2->47 11 rSwift174523051SXAXXX.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\...\rSwift174523051SXAXXX.exe.log, ASCII 11->31 dropped 59 Tries to detect virtualization through RDTSC time measurements 11->59 15 rSwift174523051SXAXXX.exe 11->15         started        18 rSwift174523051SXAXXX.exe 11->18         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 Queues an APC in another process (thread injection) 15->67 20 explorer.exe 1 1 15->20 injected process9 dnsIp10 35 indyfurnitureguild.com 15.197.142.173, 49699, 80 TANDEMUS United States 20->35 37 www.arafat.xyz 3.64.163.50, 49698, 49700, 80 AMAZON-02US United States 20->37 39 2 other IPs or domains 20->39 49 System process connects to network (likely due to code injection or exploit) 20->49 51 Uses netsh to modify the Windows network and firewall settings 20->51 24 netsh.exe 20->24         started        signatures11 process12 signatures13 53 Modifies the context of a thread in another process (thread injection) 24->53 55 Maps a DLL or memory area into another process 24->55 57 Tries to detect virtualization through RDTSC time measurements 24->57 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/12827a41d1bccb41a635ea9837a5eade7efadf556069b2bd734dbbfe7fa408bd/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-05-23 09:49:26 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
20 of 36 (55.56%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ckbhuqorxtfudjrv5kmdpjpk3z7pvx2vmbu3fpltjw57475ebc6q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0491bc38e6e0832364a57ee8264c6e7ae42ba800abe522292c8b3c35c1df44d2
Formbook
180fb1754473bf66ac639baf329875582efa35331da108954b658107be7f2781
Formbook
1950034453da28649135d35016d5ab7ee791cd4bbbc1e4a72f7c56ce3aa9dd9a
Formbook
1aad8a04f82d296e91f7fa3d3c0ec03ae6eb0239f1bc43e8d2dbdc70772ccc94
Formbook
47c74b216015a03abc6bf2a786c4c760fe23f5ce920c9a0ed6e68aa340568e84
Formbook
52a13a4d61a25202abe50d85c42d4b3aac7e364af1100233c28cf06e4598882e
Formbook
85574a66e3fbb37b82be9171860a77e52033ca6d877f5eb46011ef5d470cbe93
Formbook
8cf00d2afc13dfb147426c04aa2e0f01185ece5cc6d33f0c24dab812fcb2ddc5
Formbook
973c7cf900b8d3fe8f945e15c64e4d786a659ea779196a0bb3fa135f3026c70e
Formbook
9fb34ea7f261881a74fc5e2b25f1ecf329c16430c9fe5942738d71d0223ae046
Formbook
+ 3'081 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:ga36 rat spyware stealer trojan
Link:
https://tria.ge/reports/230523-n5p6waga6x/
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
Unpacked files
SH256 hash:
99ff6a37c82585c6d2e90f20e415fbb8764e9df8bca8652a7d9a737deca7377f
MD5 hash:
ebc66d0c2c7e09625cdd91510a42e3fa
SHA1 hash:
79a9b8db3e511aad276601fa7f90d34b7decfb91
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/487c049d-de57-4a07-a3be-520e813cd786/
Parent samples :
e8f271e2c00c7310ba76f5be24f425df7b4c3fdd84a0b715906a10da4f7e879b
12827a41d1bccb41a635ea9837a5eade7efadf556069b2bd734dbbfe7fa408bd
aaaf94eb867796b731871a3503f707d089aa3103d7fc388fc696997b343c4dda
841f916fd211961d16b57c00fede97127720d6d2ea52e914fa13661b1d728410
9f7df9aa07cfd95be6465d8234bae2a1332e7627932b0b345962a766a696212d
0e724a5112ed91fceef060ac76d69321020734afb2902e512b2c5698123faf94
SH256 hash:
8d174a169b24683755655572b0b405e38c42e44c56dca18cc3788b6a83e5c0ca
MD5 hash:
6fa46a97255aa17dc0f3b1be9cc3f5ab
SHA1 hash:
e766e242432bf878a6e036b1f9a8e67e833fe609
Link:
https://www.unpac.me/results/487c049d-de57-4a07-a3be-520e813cd786/
SH256 hash:
0d8e295f83de82020c30e984b7b1dd68590d3b05e3acb9ef783ee3c7c48556c4
MD5 hash:
4f71499970d481e3735e7d61b2a896d1
SHA1 hash:
e4c63d01018b9c15ff974aa18889db3e96285390
Link:
https://www.unpac.me/results/487c049d-de57-4a07-a3be-520e813cd786/
SH256 hash:
cb5ee4cfd7179a57298c02ce4ccc9c2ca6b0b310758a7320340cf0a40ab62f88
MD5 hash:
0dd66dbaf510e93ec00b9eadf5ec34b6
SHA1 hash:
b7e1b7bbf2d58cc03beeb7095ae98e03426f39a7
Link:
https://www.unpac.me/results/487c049d-de57-4a07-a3be-520e813cd786/
SH256 hash:
16c255190eaaf1b60ec7d07abcac5f614ea197cee2416ca9d01bb563c526c87d
MD5 hash:
fb4ed205b442f470bbf10913128efdcb
SHA1 hash:
9a0a4c5ae429769e3253a9a3daefa24270b87a5b
Link:
https://www.unpac.me/results/487c049d-de57-4a07-a3be-520e813cd786/
Parent samples :
ee57b6fa1e5a3c5ef776b79f32820327bcb3fe1974eeddf65c0eb56131193397
de8c7c543f438af1e7e78096f6873268e9b1a12745edf9c88db07e136163399e
SH256 hash:
12827a41d1bccb41a635ea9837a5eade7efadf556069b2bd734dbbfe7fa408bd
MD5 hash:
3625a55c61f328e9e72c02841c7e975b
SHA1 hash:
00c9c5e2234c9ef72150f71ef4f7683c3711af96
Link:
https://www.unpac.me/results/487c049d-de57-4a07-a3be-520e813cd786/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/12827a41d1bccb41a635ea9837a5eade7efadf556069b2bd734dbbfe7fa408bd

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
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.

Malspam

Formbook

Executable exe 12827a41d1bccb41a635ea9837a5eade7efadf556069b2bd734dbbfe7fa408bd

(this sample)

  
Delivery method
Distributed via e-mail attachment

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