MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f34101ff83317586693f070a42c11d7e09f5588f4748258830f5475b3ebf227d. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f34101ff83317586693f070a42c11d7e09f5588f4748258830f5475b3ebf227d
SHA3-384 hash: 043ff2165332a2e35660eed06e65d31931f808c2a862b940256174996b204f41434920cc8926f6ac312f78a96c063eeb
SHA1 hash: 01148ded80f5ae5599b5ce70a768d3ea2d7451f9
MD5 hash: 8b01aa45b4a9bdc067e4c5156a072a8d
humanhash: august-robin-michigan-april
File name:8b01aa45b4a9bdc067e4c5156a072a8d
Download: download sample
Signature Formbook
Create hunting rule
File size:832'000 bytes
First seen:2023-02-23 01:28:48 UTC
Last seen:2023-02-23 03:28:36 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:PKqDSuEigIkqiU8Ibvpg3WCyIAN8+Yj7:/gIrSIbhgz48
Threatray 2'081 similar samples on MalwareBazaar
TLSH T1B1056BCCB1F0F67ECA0AC936AB103D146BE0654367268593E263B6D99F3D4539E1C4B2
TrID 61.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.1% (.SCR) Windows screen saver (13097/50/3)
8.9% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
254
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
8b01aa45b4a9bdc067e4c5156a072a8d
Verdict:
Malicious activity
Analysis date:
2023-02-23 01:29:29 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/5110e97f-451d-43ae-9a2a-e46b6d422f8b

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/369149/
Detection(s):
Sanesecurity.Malware.28872.BadIN4.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
67%
Tags:
packed
Link:
https://www.filescan.io/uploads/63f6c15ea6ba2f75a97ad330/reports/3020b738-0036-425b-bbe9-23025e025ea7/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/f34101ff83317586693f070a42c11d7e09f5588f4748258830f5475b3ebf227d
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5479c16a-9fb9-40fe-b1a1-53f19570b647
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1181020
Signature
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
Machine Learning detection for dropped file
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 813850 Sample: QZc18qviTy.exe Startdate: 23/02/2023 Architecture: WINDOWS Score: 100 56 Snort IDS alert for network traffic 2->56 58 Multi AV Scanner detection for domain / URL 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 5 other signatures 2->62 8 QZc18qviTy.exe 7 2->8         started        12 BmYlOUxED.exe 5 2->12         started        process3 file4 42 C:\Users\user\AppData\Roaming\BmYlOUxED.exe, PE32 8->42 dropped 44 C:\Users\...\BmYlOUxED.exe:Zone.Identifier, ASCII 8->44 dropped 46 C:\Users\user\AppData\Local\...\tmpD007.tmp, XML 8->46 dropped 48 C:\Users\user\AppData\...\QZc18qviTy.exe.log, ASCII 8->48 dropped 72 Uses schtasks.exe or at.exe to add and modify task schedules 8->72 74 Adds a directory exclusion to Windows Defender 8->74 14 QZc18qviTy.exe 8->14         started        17 powershell.exe 19 8->17         started        19 schtasks.exe 1 8->19         started        76 Multi AV Scanner detection for dropped file 12->76 78 Machine Learning detection for dropped file 12->78 21 schtasks.exe 1 12->21         started        23 BmYlOUxED.exe 12->23         started        25 BmYlOUxED.exe 12->25         started        27 BmYlOUxED.exe 12->27         started        signatures5 process6 signatures7 80 Modifies the context of a thread in another process (thread injection) 14->80 82 Maps a DLL or memory area into another process 14->82 84 Sample uses process hollowing technique 14->84 86 Queues an APC in another process (thread injection) 14->86 29 explorer.exe 2 1 14->29 injected 33 conhost.exe 17->33         started        35 conhost.exe 19->35         started        37 conhost.exe 21->37         started        process8 dnsIp9 50 www.fuzkit.online 199.192.27.238, 49697, 49698, 49699 NAMECHEAP-NETUS United States 29->50 52 www.arizonafilm.org 45.79.19.196, 49684, 80 LINODE-APLinodeLLCUS United States 29->52 54 6 other IPs or domains 29->54 88 System process connects to network (likely due to code injection or exploit) 29->88 39 WWAHost.exe 13 29->39         started        signatures10 process11 signatures12 64 Tries to steal Mail credentials (via file / registry access) 39->64 66 Tries to harvest and steal browser information (history, passwords, etc) 39->66 68 Modifies the context of a thread in another process (thread injection) 39->68 70 Maps a DLL or memory area into another process 39->70
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f34101ff83317586693f070a42c11d7e09f5588f4748258830f5475b3ebf227d/
Threat name:
ByteCode-MSIL.Trojan.Lazy
Create hunting rule
Status:
Malicious
First seen:
2023-02-17 13:57:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
21
AV detection:
24 of 39 (61.54%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6naqd74dgf2ym2j7a4fefqi5pye7kwepi5eclcbq6vdvwpv7ej6q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
18c5a2b418c466198a812c3c1cf4d45e85b2db2acba84739d4ab4e299814caf5
Formbook
3a660d27e5c230dc07725cde5222c679ca2b402835395815ca28ac5334b8b6f1
Formbook
3e0cdcdaa9cf3c06e4f5c28a4d7878f8bd60265f2b7e9a8eb88a6f13b75435b7
Formbook
4adcc8ef0f0f441cf8e44f0c3c446f620409dbf79353811fa4d6526c6752f6ae
Formbook
6b92711eed01d1ce4bcd40dcc15f622f8efed42409b644d82ba75164f01b8259
Formbook
6e3586d3d73247e903966db351c66e4ea78da6a3607116129aa79eac3c1b2d70
Formbook
e084bbd5502e2fe6fd3ac6ad41fc88f2d09ffc89d24e8d34107c83db76d0ff98
Formbook
f3197cca74f60c552d9d3b4d04d99996ceca8c8dc6ad845a468c10c65062a0fc
Formbook
+ 2'071 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/230223-bv8h9agc3t/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Unpacked files
SH256 hash:
6bbe29beded7a01a6c0cb4a45dbda2ab26f6eb2935ab66b29f363b1509ac0519
MD5 hash:
ed640a21e80200ff069bee1cd1315fd3
SHA1 hash:
a474f8d43ddac4e0437ac83c62573bf1c5bf6f5a
Detections:
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/c15aa412-ee4e-49da-9a7c-e3cc73d7b6c0/
Parent samples :
3e0cdcdaa9cf3c06e4f5c28a4d7878f8bd60265f2b7e9a8eb88a6f13b75435b7
e084bbd5502e2fe6fd3ac6ad41fc88f2d09ffc89d24e8d34107c83db76d0ff98
18c5a2b418c466198a812c3c1cf4d45e85b2db2acba84739d4ab4e299814caf5
3a660d27e5c230dc07725cde5222c679ca2b402835395815ca28ac5334b8b6f1
f34101ff83317586693f070a42c11d7e09f5588f4748258830f5475b3ebf227d
SH256 hash:
5cce4d18007b6fb8cf3377c795dcfebb18cc3b5dabc11b09334c8ed7191231b3
MD5 hash:
b3843c7b674a2ebaf1e0f5907c847094
SHA1 hash:
639b742aeb8fd1c34c0b90d677ac259fcd5f899a
Link:
https://www.unpac.me/results/c15aa412-ee4e-49da-9a7c-e3cc73d7b6c0/
SH256 hash:
d06df7395d561e198f9b7c5481567116ff2e4c2e84437c018d2a2c8ea6c4ca37
MD5 hash:
0fb6061f7d37424fb9e6d0e76b019c19
SHA1 hash:
98a64bf7b459f032d6ec5793003bf61b5ae1dd74
Link:
https://www.unpac.me/results/c15aa412-ee4e-49da-9a7c-e3cc73d7b6c0/
Parent samples :
495607b1aef01bf7dfb64b5cb16a8fc0f161c2923627d71c69de97328f8eca3f
2434aa78b46a3afc98fa6e888c3eb56278ba52b0ff800e7e875af9c2e7f9011a
SH256 hash:
eecbe3e21cc2302d217f880bca70022e0db9f44b83d135a168e6dbc6435934c5
MD5 hash:
1a233d2b12bf4e2307424927e83e1b76
SHA1 hash:
808df531e44082fd57ad014524a1c2b3da11653a
Link:
https://www.unpac.me/results/c15aa412-ee4e-49da-9a7c-e3cc73d7b6c0/
SH256 hash:
c12d2628d984c0b8071e1daa76812d8eae5cd9a18dd99eac444ba00d38977501
MD5 hash:
ec47f2cc8cb2264f192660aa1c81f96d
SHA1 hash:
50b322aa2022e5570911ceb2ca39aeaeca91e540
Link:
https://www.unpac.me/results/c15aa412-ee4e-49da-9a7c-e3cc73d7b6c0/
SH256 hash:
fc5b9f78f74427ea94f05be73b5dbed8e1c106c207da8bbc043799c7571a055f
MD5 hash:
4af6396cec6f4f26d949b6cdc31f8468
SHA1 hash:
04a04bad62a92e231fb8eabcba6685c83ca6b091
Link:
https://www.unpac.me/results/c15aa412-ee4e-49da-9a7c-e3cc73d7b6c0/
SH256 hash:
f34101ff83317586693f070a42c11d7e09f5588f4748258830f5475b3ebf227d
MD5 hash:
8b01aa45b4a9bdc067e4c5156a072a8d
SHA1 hash:
01148ded80f5ae5599b5ce70a768d3ea2d7451f9
Link:
https://www.unpac.me/results/c15aa412-ee4e-49da-9a7c-e3cc73d7b6c0/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f34101ff8331/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/f34101ff83317586693f070a42c11d7e09f5588f4748258830f5475b3ebf227d

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.

Web download

Formbook

Executable exe f34101ff83317586693f070a42c11d7e09f5588f4748258830f5475b3ebf227d

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2549147/
Cape
Cape
https://www.capesandbox.com/analysis/369149/

Comments


Avatar
zbet commented on 2023-02-23 01:28:59 UTC

url : hxxp://103.170.254.253/OneDrive/vbc.exe