MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 da703b5ad14eeb56ad1efee3f4693993dbd4db55fda64631c4b43751a154f284. 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: da703b5ad14eeb56ad1efee3f4693993dbd4db55fda64631c4b43751a154f284
SHA3-384 hash: c29936e25ee3da752f08322ce1d17a7631b76ec529cbd1849c8ebc65610db22a8e4fa7b1ff17cd18bea713475a6c6a06
SHA1 hash: 376276cac5d16666de099f0c5dd0298cbc5d32de
MD5 hash: de5fe775da646c66dfdc5a0c222e9ed9
humanhash: utah-network-pasta-muppet
File name:pay.exe
Download: download sample
Signature Formbook
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File size:662'528 bytes
First seen:2022-05-30 07:44:17 UTC
Last seen:2022-05-30 13:16:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:9fZtXURpXQ5XKBMvYQe9YBpOFhfMhYtJvk1xvOYueQ+3xgJ+43Zls:T94A5XiMV5cJM1hOYukyj
TLSH T143E402297A99CF62D4982975C0D3403453F2A99BE272C3CA7FC926D30F41795CDCA78A
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 00ccf096ccc0d400 (21 x FormBook, 18 x AgentTesla, 11 x SnakeKeylogger)
Reporter pr0xylife
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
267
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
pay.exe
Verdict:
Malicious activity
Analysis date:
2022-05-30 07:49:53 UTC
Tags:
formbook
Link:
https://app.any.run/tasks/8f6b1e0c-d858-42ec-9a2a-e9941c94c438

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/275399/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.31345.9498.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching cmd.exe command interpreter
Creating a window
Сreating synchronization primitives
Launching a process
Creating a file
Searching for synchronization primitives
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control.exe obfuscated packed replace.exe
Link:
https://www.filescan.io/uploads/629476023ec49f83a6da3362/reports/f3e456c1-d974-4f42-a118-216f1d140978/overview
Result
Verdict:
UNKNOWN
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7d8187d3-0022-462a-8455-646fbaf6fd60
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1003516
Signature
.NET source code contains method to dynamically call methods (often used by packers)
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 636011 Sample: pay.exe Startdate: 30/05/2022 Architecture: WINDOWS Score: 100 30 www.exec-code.net 2->30 32 Found malware configuration 2->32 34 Malicious sample detected (through community Yara rule) 2->34 36 Yara detected AntiVM3 2->36 38 5 other signatures 2->38 11 pay.exe 3 2->11         started        signatures3 process4 file5 28 C:\Users\user\AppData\Local\...\pay.exe.log, ASCII 11->28 dropped 14 MSBuild.exe 11->14         started        process6 signatures7 46 Modifies the context of a thread in another process (thread injection) 14->46 48 Maps a DLL or memory area into another process 14->48 50 Sample uses process hollowing technique 14->50 52 2 other signatures 14->52 17 explorer.exe 14->17 injected process8 process9 19 systray.exe 17->19         started        signatures10 40 Modifies the context of a thread in another process (thread injection) 19->40 42 Maps a DLL or memory area into another process 19->42 44 Tries to detect virtualization through RDTSC time measurements 19->44 22 cmd.exe 1 19->22         started        24 explorer.exe 1 139 19->24         started        process11 process12 26 conhost.exe 22->26         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/da703b5ad14eeb56ad1efee3f4693993dbd4db55fda64631c4b43751a154f284/
Threat name:
ByteCode-MSIL.Trojan.FormBook
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Status:
Malicious
First seen:
2022-05-30 07:45:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3jydwwwrj3vvnli673r7i2jzspn5jw2v7wtemmoewq3vdiku6kca._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:v05y rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220530-jldxaafgb6/
Behaviour
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
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
aa9395a32411b61c7d13fc95a27bf035add9f4e09e8e82f99a0c3e4a962bf0bf
MD5 hash:
a127a3c4f8240f81c76e3fa52ce2428a
SHA1 hash:
9c9bb9eb34e321cbfe3937ae2e25a832d214cbb4
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/2eae8f6d-8cb2-454d-8a95-e016d48caf29/
Parent samples :
da703b5ad14eeb56ad1efee3f4693993dbd4db55fda64631c4b43751a154f284
eeabe3129e3e52ef1f5fe98b73c375ee55ea1163ba441421234951f514fd1d89
b479031f60b7199b24937d75aed26bc7bab0c3a20a8f79cd18d89a69c8ba8fe1
4930c3f5a795efda4d972d34a905acd87d6b42ce7bd2b2652460390cb9464126
cfd8b4f2e9615b208c5ae2057b83e3e783ae4bacf9dfc9d8420b603adc14da6c
0a5f25e1dfa430c53c1fc30aee1c143ee51f947147b467c1069c7a541676c208
SH256 hash:
840be1d54ac08fdec3556b93ff92af7e2f6d7c909a7606c59c5ac777670e2742
MD5 hash:
cc4a8210cb3e6146e928003944c15fbf
SHA1 hash:
e218e2b2a8c8e204c19d6cc6aec987b87544d566
Link:
https://www.unpac.me/results/2eae8f6d-8cb2-454d-8a95-e016d48caf29/
SH256 hash:
61861f8273140386af6b0fb5638ad3f021ab5a6669fa2db01b260d9165e53d9d
MD5 hash:
096b8c57cfd3f80bc706531587511d3a
SHA1 hash:
77e28a80d766bf58795d47f356f22bbb029346d2
Link:
https://www.unpac.me/results/2eae8f6d-8cb2-454d-8a95-e016d48caf29/
SH256 hash:
e96c7e434be6b6c4dcd79c518de41090dce04c0b9be4c7055b87a79aa5925966
MD5 hash:
e2159a1243445c55ab573e65235b7664
SHA1 hash:
4ac967a4a50ea8152a8d8b39b6ff872d9bea2b67
Link:
https://www.unpac.me/results/2eae8f6d-8cb2-454d-8a95-e016d48caf29/
SH256 hash:
91373e3e80b1020bb97081a72b94f7104fda957ea0c162cd9eb99836d697fc0f
MD5 hash:
b2009df128a51c0b4a166bdfd088f3cf
SHA1 hash:
0b6a07700ba1484867f8d62a55b8f5a4cd2be8fb
Link:
https://www.unpac.me/results/2eae8f6d-8cb2-454d-8a95-e016d48caf29/
SH256 hash:
da703b5ad14eeb56ad1efee3f4693993dbd4db55fda64631c4b43751a154f284
MD5 hash:
de5fe775da646c66dfdc5a0c222e9ed9
SHA1 hash:
376276cac5d16666de099f0c5dd0298cbc5d32de
Link:
https://www.unpac.me/results/2eae8f6d-8cb2-454d-8a95-e016d48caf29/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/da703b5ad14e/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/da703b5ad14eeb56ad1efee3f4693993dbd4db55fda64631c4b43751a154f284

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
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Rule name:Skystars_Malware_Imphash
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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 da703b5ad14eeb56ad1efee3f4693993dbd4db55fda64631c4b43751a154f284

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/275399/
  
URLhaus
https://urlhaus.abuse.ch/url/2217024/
  
Delivery method
Distributed via web download

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