MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e881e163a74b024a40687dc1c76ac937e42527b0f0441435a021c6cdf35ba709. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments
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SHA256 hash: e881e163a74b024a40687dc1c76ac937e42527b0f0441435a021c6cdf35ba709
SHA3-384 hash: 2e256315fc384f1ef44d189045d11af18078f5294f18320bd5280e7649dabc797d37c6c8f6d7651344fc96c694958ffa
SHA1 hash: d6b8bfd8cb6d52c7e26115f9368ceebb19cd4d3d
MD5 hash: cbaac9f7cb219a30b8dc1dab51472d99
humanhash: freddie-sink-seventeen-mirror
File name:Hason Technology & Trading Co., Ltd-pdf-.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'011'712 bytes
First seen:2022-11-01 09:26:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:hNvp3b731dxk8iJCwhuJr1Fe7POjPyXePi/xIbVFZ5d4l/nzps7E:xrJdxk95uJ5Feir5Pi/xY5d4Ls7E
Threatray 17'594 similar samples on MalwareBazaar
TLSH T1C425E0F5A6564006E9A633341121FB30276D3FB9A8F9820DF4806F9938D3363AD62777
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 4ce8a6766981cccc (11 x Formbook, 5 x SnakeKeylogger, 3 x AgentTesla)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
346
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Hason Technology & Trading Co., Ltd-pdf-.exe
Verdict:
Malicious activity
Analysis date:
2022-11-01 09:29:03 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/f99c69c7-cc0d-48b1-9af2-0ab1885cd6cb

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/326773/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.389.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Creating a file
Launching cmd.exe command interpreter
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6360e668736e9d884f0dc225/reports/ecaa4fd1-e070-405e-a45a-60848417c93c/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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/bc23f743-ce3d-487e-91bb-873534af5920
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1102420
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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 detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 735082 Sample: Hason Technology & Trading ... Startdate: 01/11/2022 Architecture: WINDOWS Score: 100 69 Snort IDS alert for network traffic 2->69 71 Malicious sample detected (through community Yara rule) 2->71 73 Antivirus detection for URL or domain 2->73 75 12 other signatures 2->75 10 Hason Technology & Trading Co., Ltd-pdf-.exe 7 2->10         started        14 yNKNAGT.exe 5 2->14         started        process3 file4 47 C:\Users\user\AppData\Roaming\yNKNAGT.exe, PE32 10->47 dropped 49 C:\Users\user\...\yNKNAGT.exe:Zone.Identifier, ASCII 10->49 dropped 51 C:\Users\user\AppData\Local\...\tmpD2A3.tmp, XML 10->51 dropped 53 Hason Technology &...., Ltd-pdf-.exe.log, CSV 10->53 dropped 85 Adds a directory exclusion to Windows Defender 10->85 16 Hason Technology & Trading Co., Ltd-pdf-.exe 10->16         started        19 powershell.exe 21 10->19         started        21 schtasks.exe 1 10->21         started        87 Multi AV Scanner detection for dropped file 14->87 89 Machine Learning detection for dropped file 14->89 91 Tries to detect virtualization through RDTSC time measurements 14->91 93 Injects a PE file into a foreign processes 14->93 23 yNKNAGT.exe 14->23         started        25 schtasks.exe 1 14->25         started        signatures5 process6 signatures7 61 Modifies the context of a thread in another process (thread injection) 16->61 63 Maps a DLL or memory area into another process 16->63 65 Sample uses process hollowing technique 16->65 67 Queues an APC in another process (thread injection) 16->67 27 explorer.exe 16->27 injected 31 conhost.exe 19->31         started        33 conhost.exe 21->33         started        35 conhost.exe 25->35         started        process8 dnsIp9 55 www.skylanai.com 27->55 57 www.suluovaailetaksi.net 216.239.34.21, 49697, 80 GOOGLEUS United States 27->57 59 skylanai.com 34.102.136.180, 49698, 80 GOOGLEUS United States 27->59 95 System process connects to network (likely due to code injection or exploit) 27->95 37 explorer.exe 27->37         started        signatures10 process11 signatures12 77 Modifies the context of a thread in another process (thread injection) 37->77 79 Maps a DLL or memory area into another process 37->79 81 Tries to detect virtualization through RDTSC time measurements 37->81 40 help.exe 37->40         started        43 cmd.exe 1 37->43         started        process13 signatures14 83 Tries to detect virtualization through RDTSC time measurements 40->83 45 conhost.exe 43->45         started        process15
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e881e163a74b024a40687dc1c76ac937e42527b0f0441435a021c6cdf35ba709/
Threat name:
Win32.Spyware.SnakeLogger
Create hunting rule
Status:
Malicious
First seen:
2022-10-31 01:44:23 UTC
File Type:
PE (.Net Exe)
Extracted files:
37
AV detection:
18 of 40 (45.00%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5ca6cy5hjmbeuqdipxa4o2wjg7sckj5q6bcbinnaehdm3423u4eq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
01e953f7efe55cf5970090491b1fc25dce140a505dea9e74bb07b81e3ef4f89e
Formbook
0a8b952a910a7278793ed7f7373b628afe07138aedde676453482806b2ea7b0b
Formbook
1d471d4c679e7c68369a2824adb475071d80878c73de43bce4635a410b4d3d17
Formbook
640e1f98387d8184a8b69457da56206b24c7893b5568fa2c8d7cf6ce65f016ba
Formbook
9fdb9a2f37301c92127d7c8efcf941acae143968f98c01704453bf6acda3ac45
Formbook
a9ed1381e07210fbb362eecb1ccd3bb75464bd7f63374c88521d8395fd660ed8
Formbook
baf5d53f07c0cc8ed9ba7055cc91a18b936d0342e0792f618ee6846cbb8859b6
Formbook
cf75beaa290407d939a1ad59649c6d268d1ea8119df27e0b4ea4e90faffb346b
Formbook
+ 17'584 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:a20e rat spyware stealer trojan
Link:
https://tria.ge/reports/221101-lerkxabbgq/
Behaviour
Creates scheduled task(s)
Enumerates system info in registry
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
Deletes itself
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/5b8b86c3-5dc4-4856-8891-edbd56984a8f
Unpacked files
SH256 hash:
401d37bb542e818ee49038c652fa9d769d216b912fbf638b768d2370cd184854
MD5 hash:
705e49ed906ae2317fb8f126f2ab2f4b
SHA1 hash:
33996978fe870cb59c5bf620bf4c38415ffe1e37
Detections:
FormBook
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/1c4c577a-0a4a-4eef-a5d1-619ec06327bd/
Parent samples :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 hash:
15d73a776fe344c81d89f8c1403a88694e798a4698997b7e71ff8cd285043e5e
MD5 hash:
30f4d7c4a68786ee7add65357696b171
SHA1 hash:
f1dc5ea4551456140bda5f1be92ea156260cab2f
Link:
https://www.unpac.me/results/1c4c577a-0a4a-4eef-a5d1-619ec06327bd/
SH256 hash:
7f272c4db499b1501a5ea1711d23de0e6a0c07faf16275e9b01722dae889c7c9
MD5 hash:
dd8b9511dda8eb7c84e1621046828883
SHA1 hash:
7f715270ffcadcba5c3148d2a0cecfaaf6c2e805
Link:
https://www.unpac.me/results/1c4c577a-0a4a-4eef-a5d1-619ec06327bd/
SH256 hash:
1964f9671d94376f466389eea55d8ca94ae920032fa5278a3245186933699872
MD5 hash:
4df1b52e2b0ad6d765626d3341aef44b
SHA1 hash:
7a4845563578e77dcacf28a906145978dc763e74
Link:
https://www.unpac.me/results/1c4c577a-0a4a-4eef-a5d1-619ec06327bd/
SH256 hash:
081d250abbad6c06d971b410ed0425b57ad1c36d4b3ceffe3bdea108c5d2790e
MD5 hash:
3134110fd12089eedaafcc05f88c9c98
SHA1 hash:
3626b8e7f99e9209c6ef12d25082043e7f6693bc
Link:
https://www.unpac.me/results/1c4c577a-0a4a-4eef-a5d1-619ec06327bd/
SH256 hash:
e881e163a74b024a40687dc1c76ac937e42527b0f0441435a021c6cdf35ba709
MD5 hash:
cbaac9f7cb219a30b8dc1dab51472d99
SHA1 hash:
d6b8bfd8cb6d52c7e26115f9368ceebb19cd4d3d
Link:
https://www.unpac.me/results/1c4c577a-0a4a-4eef-a5d1-619ec06327bd/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e881e163a74b/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/e881e163a74b024a40687dc1c76ac937e42527b0f0441435a021c6cdf35ba709

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 e881e163a74b024a40687dc1c76ac937e42527b0f0441435a021c6cdf35ba709

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/326773/

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