MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aa3a5e3035f1281d3a412956e0a0273d33e0f07500abc909eb5d9dad6524b588. 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 3 File information Comments
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SHA256 hash: aa3a5e3035f1281d3a412956e0a0273d33e0f07500abc909eb5d9dad6524b588
SHA3-384 hash: 863dfc9cda4cac077190d93bb27809aa1ba40b63c4ab8b61b47b143366bb08acb60f8f6e1223627dcff8597d9a049881
SHA1 hash: f865f5a34bdcc81543edeab49d156859cdc6d309
MD5 hash: 148b38310b43271f2b0aa056c5abb7a5
humanhash: avocado-hot-eleven-wyoming
File name:Payment.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:739'840 bytes
First seen:2023-05-05 13:15:46 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:vEyYT9NcxlcPjy8QlnUH/PVgkkR+QGj/WnoiajsYgie:MyYrcxlcPDQlnUH/PVvQGzWnobZ
Threatray 2'780 similar samples on MalwareBazaar
TLSH T101F4F01123B9BBA1DCE6C3F8B20CE5019FA55C51A3B9F7E88DCBE0C45148B19F6546A3
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
256
Origin country :
US US
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Payment.exe
Verdict:
Malicious activity
Analysis date:
2023-05-05 13:18:23 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/ec98642d-0c58-4976-a49f-d0ca8d90caab

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/386948/
Detection(s):
SecuriteInfo.com.Variant.Barys.351838.3602.23052.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook packed
Link:
https://www.filescan.io/uploads/645501938da4a9cb99b718c6/reports/374ee7c6-9fb8-4830-8226-022187eedad2/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/aa3a5e3035f1281d3a412956e0a0273d33e0f07500abc909eb5d9dad6524b588
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:
Unknown
Link:
https://analyze.intezer.com/analyses/e00048e7-b804-4a6c-8b86-07a7de77a11f
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1226940
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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 virtualization through RDTSC time measurements
Uses netstat to query active network connections and open ports
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 859908 Sample: Payment.exe Startdate: 05/05/2023 Architecture: WINDOWS Score: 100 57 www.474lakeshore4110.info 2->57 59 474lakeshore4110.info 2->59 73 Snort IDS alert for network traffic 2->73 75 Found malware configuration 2->75 77 Malicious sample detected (through community Yara rule) 2->77 79 8 other signatures 2->79 11 Payment.exe 7 2->11         started        15 KQNiiPhcYmKkA.exe 5 2->15         started        signatures3 process4 file5 49 C:\Users\user\AppData\...\KQNiiPhcYmKkA.exe, PE32 11->49 dropped 51 C:\...\KQNiiPhcYmKkA.exe:Zone.Identifier, ASCII 11->51 dropped 53 C:\Users\user\AppData\Local\...\tmpAA38.tmp, XML 11->53 dropped 55 C:\Users\user\AppData\...\Payment.exe.log, ASCII 11->55 dropped 87 Uses schtasks.exe or at.exe to add and modify task schedules 11->87 89 Adds a directory exclusion to Windows Defender 11->89 91 Tries to detect virtualization through RDTSC time measurements 11->91 93 Injects a PE file into a foreign processes 11->93 17 Payment.exe 11->17         started        20 powershell.exe 21 11->20         started        22 schtasks.exe 1 11->22         started        24 Payment.exe 11->24         started        95 Multi AV Scanner detection for dropped file 15->95 97 Machine Learning detection for dropped file 15->97 26 KQNiiPhcYmKkA.exe 15->26         started        28 schtasks.exe 1 15->28         started        signatures6 process7 signatures8 65 Modifies the context of a thread in another process (thread injection) 17->65 67 Maps a DLL or memory area into another process 17->67 69 Sample uses process hollowing technique 17->69 71 Queues an APC in another process (thread injection) 17->71 30 explorer.exe 4 1 17->30 injected 34 conhost.exe 20->34         started        36 conhost.exe 22->36         started        38 conhost.exe 28->38         started        process9 dnsIp10 61 474lakeshore4110.info 15.197.136.110, 49700, 80 TANDEMUS United States 30->61 63 www.dyxs30.com 172.67.182.174, 49701, 80 CLOUDFLARENETUS United States 30->63 99 System process connects to network (likely due to code injection or exploit) 30->99 101 Uses netstat to query active network connections and open ports 30->101 40 help.exe 30->40         started        43 NETSTAT.EXE 30->43         started        signatures11 process12 signatures13 81 Modifies the context of a thread in another process (thread injection) 40->81 83 Maps a DLL or memory area into another process 40->83 85 Tries to detect virtualization through RDTSC time measurements 40->85 45 cmd.exe 1 40->45         started        process14 process15 47 conhost.exe 45->47         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/aa3a5e3035f1281d3a412956e0a0273d33e0f07500abc909eb5d9dad6524b588/
Threat name:
ByteCode-MSIL.Trojan.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2023-05-05 09:08:50 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
22 of 37 (59.46%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vi5f4mbv6eub2osbfflobibhhuz6b4dvacv4scpllwo22zjewwea._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
19836f65b08970b838c64ef0ffd5f8f4d8ed2063a1df2b826e3dc9e66b3c8f37
Formbook
481424e182c128fe78c458c8939ab2a928e04793c1f888f93899fbd9ba3f6954
Formbook
4c88e26f710c4aec376be1d0162bc0edbb5dc0092f5c786c9f5c15b4c5bc9706
Formbook
61141d9453d13d203de8255903f1aec9fea4906616f000cca0b906a58d754cca
Formbook
6118fb1f75058c3bd77040399fad44126181a9b131396a4f1ab7e6622c826dda
Formbook
658096abeec050d60d6fd1bfbf66e1f7b4496b0d3fa17eb84bc9c5badd587e06
Formbook
ab463de3b695c5e6a4f163c156ad7ef4949a728481711627de738b6a9d84d1f3
Formbook
c73c24ee8f28c482040b1527599e0c0c3e65a93771425528ece99c48f932f1a2
Formbook
ef23c59e01d4ead9ddaf93012c303e5eaf45cb469b2adb64e3e2f950edda0172
Formbook
f4f769c0da3532e0c4ac83766840e586330453f9754a109838a9aea51cf793c7
Formbook
+ 2'770 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:bs92 rat spyware stealer trojan
Link:
https://tria.ge/reports/230505-qhsplaag44/
Behaviour
Creates scheduled task(s)
Gathers network information
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
Unpacked files
SH256 hash:
58f6c5dabd0ee1a4a71586a70d51d833318c63d33c2a2222408984e022b6dced
MD5 hash:
d4388701ff0de9e6497e4e5fbabdb8c4
SHA1 hash:
9c8a1fe2f334ad30b791f45d2ecf3090327c6fe3
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/da18218d-6cc6-478f-a165-9494f5389329/
Parent samples :
aa3a5e3035f1281d3a412956e0a0273d33e0f07500abc909eb5d9dad6524b588
2f75723006de1bd651c24a3b5238195182cee519cadb734ab138a9f5050658bf
SH256 hash:
3be801b6e0f28302e2b8caeba8f371ea980ff577ca8533bd00393f6f7be2f0c1
MD5 hash:
697a35af668a0820f02dc1e1a906c48a
SHA1 hash:
a4a017974b3af79caea0e72226fd675824a10334
Link:
https://www.unpac.me/results/da18218d-6cc6-478f-a165-9494f5389329/
SH256 hash:
21f0154b51a09767f94922b81f5fcd15cf4a6390ab7314e40d0e17b2dcdfe6ba
MD5 hash:
c926563698de3a89ad20474c85122f73
SHA1 hash:
ed1a3b2527ace111e6f39880c7ee3965f301330d
Link:
https://www.unpac.me/results/da18218d-6cc6-478f-a165-9494f5389329/
SH256 hash:
6bae72a0e451897db4c8f203d6cfa9f4fed376fb2333b9604c9a296f72030191
MD5 hash:
6cc086c0d37be5f7be2210ca53f739b5
SHA1 hash:
8b2af04ddfefaf1ebd5465a9df1bde7daaca5cb3
Link:
https://www.unpac.me/results/da18218d-6cc6-478f-a165-9494f5389329/
SH256 hash:
a376af91d4b8c46aadb27323b469dff467498a661c29ef6bd60bd3626a5820a8
MD5 hash:
2db282db5693ed8719a845927400294f
SHA1 hash:
15134a0c8ab3dd4a426eb28c6b71a35806eba520
Link:
https://www.unpac.me/results/da18218d-6cc6-478f-a165-9494f5389329/
SH256 hash:
aa3a5e3035f1281d3a412956e0a0273d33e0f07500abc909eb5d9dad6524b588
MD5 hash:
148b38310b43271f2b0aa056c5abb7a5
SHA1 hash:
f865f5a34bdcc81543edeab49d156859cdc6d309
Link:
https://www.unpac.me/results/da18218d-6cc6-478f-a165-9494f5389329/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/aa3a5e3035f1/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/aa3a5e3035f1281d3a412956e0a0273d33e0f07500abc909eb5d9dad6524b588

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/386948/

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