MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3a61280726d90b185f70884c4f7ff84af52be06f7fa2ceebf16065e8aee4feb6. 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 3 File information Comments
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SHA256 hash: 3a61280726d90b185f70884c4f7ff84af52be06f7fa2ceebf16065e8aee4feb6
SHA3-384 hash: 737cee9305b0d25a72a963727eceefd80fb05ed1080d01fbc6bb1b93f942cecee93d7e1888c094801ab9724eb875c923
SHA1 hash: 7cef2c99909535a924dbe074550972d16d771ae7
MD5 hash: 8a88f6951b33405cca72d1ccd0097080
humanhash: neptune-jersey-oven-california
File name:file
Download: download sample
Signature Formbook
Create hunting rule
File size:324'096 bytes
First seen:2022-11-21 15:24:05 UTC
Last seen:2022-11-21 16:46:10 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:8Ne01BTZmBtXKpUvGnX+TDhCV6oRPhPfaN74Vn3guvM5KVEe:semBTZTpUU6oRhKyVQuvM5KVEe
Threatray 4'538 similar samples on MalwareBazaar
TLSH T12764CF9C761076DFC857D872CAA81C58EA60747B571BD213E02316BDA94DAABCF240F3
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)
Reporter jstrosch
Tags:.NET exe FormBook MSIL

Intelligence

File Origin
# of uploads :
2
# of downloads :
296
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
TedarikciSiparisi_83613 .xls
Verdict:
Malicious activity
Analysis date:
2022-11-21 08:32:45 UTC
Tags:
macros opendir exploit cve-2017-11882 loader formbook trojan stealer
Link:
https://app.any.run/tasks/69ad1d0e-5963-46a6-8020-7e3d6aa9a41b

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/336847/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.31000.32627.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a file
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Reading critical registry keys
Creating a file in the %temp% directory
Unauthorized injection to a recently created process
Searching for synchronization primitives
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/637b984ea0efd596b82f0afd/reports/087524a3-1197-42bb-835f-309f5c5bc82b/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/3620304a-00c6-4041-8493-05f48b7d69ee
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1118221
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
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 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 submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 750932 Sample: file.exe Startdate: 21/11/2022 Architecture: WINDOWS Score: 100 26 www.terratechpower.com 2->26 46 Multi AV Scanner detection for domain / URL 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Antivirus detection for URL or domain 2->50 52 5 other signatures 2->52 9 file.exe 1 2->9         started        signatures3 process4 file5 24 C:\Users\user\AppData\Local\...\file.exe.log, CSV 9->24 dropped 54 Writes to foreign memory regions 9->54 56 Allocates memory in foreign processes 9->56 58 Injects a PE file into a foreign processes 9->58 13 RegSvcs.exe 9->13         started        signatures6 process7 signatures8 60 Modifies the context of a thread in another process (thread injection) 13->60 62 Maps a DLL or memory area into another process 13->62 64 Sample uses process hollowing technique 13->64 66 Queues an APC in another process (thread injection) 13->66 16 colorcpl.exe 13 13->16         started        19 explorer.exe 13->19 injected process9 dnsIp10 34 Tries to steal Mail credentials (via file / registry access) 16->34 36 Tries to harvest and steal browser information (history, passwords, etc) 16->36 38 Modifies the context of a thread in another process (thread injection) 16->38 40 Maps a DLL or memory area into another process 16->40 28 hf9blwwuwpx7j8k.live 216.18.208.202, 49685, 80 WEBNXUS United States 19->28 30 www.easy005.xyz 175.41.16.124, 49688, 49689, 80 NETSEC-HKNETSECHK Hong Kong 19->30 32 4 other IPs or domains 19->32 42 System process connects to network (likely due to code injection or exploit) 19->42 44 Performs DNS queries to domains with low reputation 19->44 22 autochk.exe 19->22         started        signatures11 process12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3a61280726d90b185f70884c4f7ff84af52be06f7fa2ceebf16065e8aee4feb6/
Threat name:
ByteCode-MSIL.Trojan.Heracles
Create hunting rule
Status:
Malicious
First seen:
2022-11-21 13:24:01 UTC
AV detection:
21 of 40 (52.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hjqsqbzg3efrqx3qrbge677yjl2sxydpp6rm527rmbs6rlxe723a._file
Verdict:
malicious
Similar samples:
2218cb9e3e826feb6be7d7d10b279f8dc34b57b6a9f981fd98fb1591529be1aa
Formbook
3b3c1e4ea9054675c0c55e4978755e4574caaebe81102b1dac7d28b8f8c73833
Formbook
4307780f4d8e29477a0c018fe3a769fbc545bb54e14129319592271601599147
Formbook
7f62fd53088ebd8b9bd81030503ce5022bbd176782989824bf2fc5372580cf7e
Formbook
89c7e12a078b0cfd756c1e3c5f2ca8255a8c2f7f81b9c66404b33cab73ca9bd7
Formbook
c15293ebcb14b9e3a16426f39b1dda3213def62c20a6cfb2a1f86a6345ecb1dd
Formbook
d50d36d60b72642c6470efa03def6f91d7fef78790ac1215416659dd5bbca94e
Formbook
+ 4'528 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:xloader campaign:pgnt loader rat spyware stealer trojan
Link:
https://tria.ge/reports/221121-stk51afd39/
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
Suspicious use of SetThreadContext
Loads dropped DLL
Formbook
Xloader
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/20a8eee3-d628-4bdf-811c-c44d295774dc
Unpacked files
SH256 hash:
1dd741e15b6b62895a5a00735ec7f4bdc86a3285f087048a39df8a7fa33a74af
MD5 hash:
8f8b738d3a54b913894665bc2eb9989c
SHA1 hash:
85ad9f68794c4c560e540bf0325eea53a9903f97
Link:
https://www.unpac.me/results/123f8338-143e-4ced-a080-6522e3f46eaa/
SH256 hash:
c6e14f385536f90668b40baa7afcda84e9dd5f6235f4726f62c732f38b6332b5
MD5 hash:
1fa5edb07609f56cfe9189c924174405
SHA1 hash:
a315e7e7974c0f2b93dde9734a6a901604c9d18f
Link:
https://www.unpac.me/results/123f8338-143e-4ced-a080-6522e3f46eaa/
SH256 hash:
30346caf8fed72453961a91d78dc1b2158f47d91ecf6fa1a9ec2d0c7733c2765
MD5 hash:
a1daad5cde89b2c387fa937d2a477ff4
SHA1 hash:
3e7cda8043b89f8c349d7bcd15c7e2762c66599f
Link:
https://www.unpac.me/results/123f8338-143e-4ced-a080-6522e3f46eaa/
SH256 hash:
3a61280726d90b185f70884c4f7ff84af52be06f7fa2ceebf16065e8aee4feb6
MD5 hash:
8a88f6951b33405cca72d1ccd0097080
SHA1 hash:
7cef2c99909535a924dbe074550972d16d771ae7
Link:
https://www.unpac.me/results/123f8338-143e-4ced-a080-6522e3f46eaa/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3a61280726d9/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.55
Link:
https://yomi.yoroi.company/submissions/3a61280726d90b185f70884c4f7ff84af52be06f7fa2ceebf16065e8aee4feb6

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_ConfuserEx
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
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 3a61280726d90b185f70884c4f7ff84af52be06f7fa2ceebf16065e8aee4feb6

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/336847/
  
URLhaus
https://urlhaus.abuse.ch/url/2428666/

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