MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fa070ad21750a69c17bd104ae6fac4b05d12fe9d689101a38553619519f7edfb. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fa070ad21750a69c17bd104ae6fac4b05d12fe9d689101a38553619519f7edfb
SHA3-384 hash: 525ed895675386fc7995883b3583c63977484c16d1d2d5ab05e390baf39ac57dd7993c2006aa5a147cb58995c9d1ee1f
SHA1 hash: c91f69dbd63c8938c19a3114a1d21194c03052d4
MD5 hash: 8f61511977720cdbb365d74f6603d96b
humanhash: hamper-neptune-lemon-ten
File name:8f61511977720cdbb365d74f6603d96b
Download: download sample
Signature Formbook
Create hunting rule
File size:176'640 bytes
First seen:2022-01-19 18:11:06 UTC
Last seen:2022-01-19 19:51:03 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 768:xAWrfxmVJgaYPtSHPWcmhVm13jPJXt9qoST/p80yX6moPCdj09:5r5mVJ9G/p80yX6moP+j09
Threatray 10'144 similar samples on MalwareBazaar
TLSH T113049021DAF7DEB0DA53093BB53CF6230E1E2E7D5DA4F8492858F920EE77AC48844651
File icon (PE):PE icon
dhash icon 58cbdadadadadd58 (9 x SnakeKeylogger, 6 x Formbook, 4 x Loki)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
187
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
8f61511977720cdbb365d74f6603d96b
Verdict:
Malicious activity
Analysis date:
2022-01-20 04:02:44 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/365111a6-e744-408b-995c-5fbc2ee3722e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/220749/
Detection(s):
SecuriteInfo.com.Variant.Strictor.267735.19450.15217.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
DNS request
Сreating synchronization primitives
Sending an HTTP GET request
Sending a custom TCP request
Launching a process
Creating a window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed replace.exe
Link:
https://www.filescan.io/uploads/61e8547ed32385db6309dc7e/reports/dbb38248-9985-40d6-a2c1-01724e2c4986/overview
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.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/475fa0f3-2662-4d75-9207-616b419958ca
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/923748
Signature
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: WScript or CScript Dropper
Tries to detect virtualization through RDTSC time measurements
Yara detected Costura Assembly Loader
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 556221 Sample: 97oX4yrKmy Startdate: 19/01/2022 Architecture: WINDOWS Score: 100 52 Found malware configuration 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 Antivirus detection for URL or domain 2->56 58 8 other signatures 2->58 10 97oX4yrKmy.exe 18 6 2->10         started        process3 dnsIp4 48 trietlongvinhvien.info 150.95.104.46, 49753, 80 RUNSYSTEM-AS-VNGMO-ZcomRunsystemJointStockCompanyVN Viet Nam 10->48 44 C:\Users\user\AppData\...\1iq2v1xe0zf.vbs, ASCII 10->44 dropped 46 C:\Users\user\AppData\...\97oX4yrKmy.exe.log, ASCII 10->46 dropped 64 Tries to detect virtualization through RDTSC time measurements 10->64 66 Injects a PE file into a foreign processes 10->66 15 97oX4yrKmy.exe 10->15         started        18 wscript.exe 2 1 10->18         started        file5 signatures6 process7 signatures8 68 Modifies the context of a thread in another process (thread injection) 15->68 70 Maps a DLL or memory area into another process 15->70 72 Sample uses process hollowing technique 15->72 74 Queues an APC in another process (thread injection) 15->74 20 explorer.exe 15->20 injected 76 Self deletion via cmd delete 18->76 78 Tries to detect virtualization through RDTSC time measurements 18->78 22 AcroRd32.exe 39 18->22         started        process9 process10 24 wscript.exe 20->24         started        27 RdrCEF.exe 63 22->27         started        30 AcroRd32.exe 12 6 22->30         started        dnsIp11 60 Self deletion via cmd delete 24->60 62 Maps a DLL or memory area into another process 24->62 32 cmd.exe 24->32         started        50 192.168.2.1 unknown unknown 27->50 34 RdrCEF.exe 27->34         started        36 RdrCEF.exe 27->36         started        38 RdrCEF.exe 27->38         started        40 RdrCEF.exe 27->40         started        signatures12 process13 process14 42 conhost.exe 32->42         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/fa070ad21750a69c17bd104ae6fac4b05d12fe9d689101a38553619519f7edfb/
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2022-01-19 09:14:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1d5e0028a025d76c09fbf798a8a3311ed7477c985b16ae8078b110e762778154
Formbook
2ed8aeaf73ee1a3caf7eb0be7814868c4100efbe1b021e2d964db3b638dc7f3c
Formbook
6d1ae3278059d592ae7c4426df9456553b8abfbc3bd90ce0f8d1792e94ae95c2
Formbook
8426bc09e01e893337a5b15b947e6f176c1eb937768c70cd4c0526b0b710523a
Formbook
96f1c5c1d23be195f1020daf8b7e179d77d6cd0b24cdda659b3af07da82b169c
Formbook
9e54c12e7b23d9988514b9aae1e3593b0a08814357860ff270f42014914b0a1e
Formbook
c26350de480859838a7d758ce891d049c78844695c6f7e33f9ea2fecc4b4a4a9
Formbook
dfa0138818e4f998337af94d5fea30fc920237ffba320fe5acd7af469db0c4a8
Formbook
ec575e5cdf3da323c27e65f3042586173ca50ba0682b733a61f0b47f80c3004e
Formbook
+ 10'134 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:oh75 rat spyware stealer trojan
Link:
https://tria.ge/reports/220119-ws7jdsccb5/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Unpacked files
SH256 hash:
fa070ad21750a69c17bd104ae6fac4b05d12fe9d689101a38553619519f7edfb
MD5 hash:
8f61511977720cdbb365d74f6603d96b
SHA1 hash:
c91f69dbd63c8938c19a3114a1d21194c03052d4
Link:
https://www.unpac.me/results/c7d1c55a-9d76-4d9a-99e8-2113b63bff7a/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/fa070ad21750/report/overview.html
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/fa070ad21750a69c17bd104ae6fac4b05d12fe9d689101a38553619519f7edfb

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: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.

Web download

Formbook

Executable exe fa070ad21750a69c17bd104ae6fac4b05d12fe9d689101a38553619519f7edfb

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1990077/
Cape
Cape
https://www.capesandbox.com/analysis/220749/

Comments


Avatar
zbet commented on 2022-01-19 18:11:08 UTC

url : hxxp://trietlongvinhvien.info/.tmb/ID4/2208604999.exe