MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f8f4eff67e41a37a9c17e7d150261649c6981bdf3f930389694ae2277738d80f. 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: f8f4eff67e41a37a9c17e7d150261649c6981bdf3f930389694ae2277738d80f
SHA3-384 hash: b26ca6d2531cc909e21245ace142f4fb6f09e18eb823be57e358fa9e5cd7ae5459b7a02f29d73a2e218ca78433d440da
SHA1 hash: 87cf12e72237f51709217384c66da44819f516f3
MD5 hash: 57e52e54d0e1712a697f0f11c6f9ceef
humanhash: whiskey-mountain-romeo-low
File name:RFQDocuments DMS 148501 VILLAS AND INFRASTRUCTURE WORKS FOR PHASE 3B, 3B EXT. AND 3C.exe
Download: download sample
Signature Formbook
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File size:734'208 bytes
First seen:2022-06-02 08:24:36 UTC
Last seen:2022-06-02 08:24:36 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 12288:y6tCjYdPxSqsdWD4PkArYeIog5Rl/eKgIavNqNt7uvjUcyxG8P7LPb2vST7s:y7swLQkPkArYeVgx9m
TLSH T124F48D8C365C718EC45BCD328AE45C60EB6078BF671BD20794A316AE9E4DB87DF105B2
TrID 61.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.0% (.SCR) Windows screen saver (13101/52/3)
8.8% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter TeamDreier
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
318
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
RFQDocuments DMS 148501 VILLAS AND INFRASTRUCTURE WORKS FOR PHASE 3B, 3B EXT. AND 3C.exe
Verdict:
Malicious activity
Analysis date:
2022-06-01 09:15:52 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/757fb827-765f-45fa-ac35-8ee9b408777c

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/276277/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1361.4145.31579.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Creating a file
Searching for synchronization primitives
Launching cmd.exe command interpreter
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/629873f98f4ade68c4e93aac/reports/f5049092-0b6c-4d7f-9b7e-4d74d246d92a/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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/fe0b0a9e-0d4c-4c69-bc5c-473e28ab9c12
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1005579
Signature
Antivirus detection for URL or domain
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 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 submitted file
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
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 638074 Sample: RFQDocuments DMS 148501 VIL... Startdate: 02/06/2022 Architecture: WINDOWS Score: 100 32 Found malware configuration 2->32 34 Malicious sample detected (through community Yara rule) 2->34 36 Antivirus detection for URL or domain 2->36 38 7 other signatures 2->38 10 RFQDocuments DMS 148501 VILLAS AND INFRASTRUCTURE WORKS FOR PHASE 3B, 3B EXT. AND 3C.exe 3 2->10         started        process3 file4 30 RFQDocuments DMS 1...EXT. AND 3C.exe.log, ASCII 10->30 dropped 46 Writes to foreign memory regions 10->46 48 Injects a PE file into a foreign processes 10->48 14 RegSvcs.exe 10->14         started        17 RegSvcs.exe 10->17         started        signatures5 process6 signatures7 50 Modifies the context of a thread in another process (thread injection) 14->50 52 Maps a DLL or memory area into another process 14->52 54 Sample uses process hollowing technique 14->54 56 Queues an APC in another process (thread injection) 14->56 19 explorer.exe 14->19 injected 58 Tries to detect virtualization through RDTSC time measurements 17->58 process8 process9 21 wlanext.exe 19->21         started        signatures10 40 Modifies the context of a thread in another process (thread injection) 21->40 42 Maps a DLL or memory area into another process 21->42 44 Tries to detect virtualization through RDTSC time measurements 21->44 24 cmd.exe 1 21->24         started        26 explorer.exe 1 145 21->26         started        process11 process12 28 conhost.exe 24->28         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/f8f4eff67e41a37a9c17e7d150261649c6981bdf3f930389694ae2277738d80f/
Threat name:
ByteCode-MSIL.Trojan.Tnega
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Status:
Malicious
First seen:
2022-06-01 07:45:47 UTC
File Type:
PE (.Net Exe)
Extracted files:
24
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7d2o75t6igrxvhax47ivajqwjhdjqg67h6jqhcljjlrco5zy3ahq._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:a11e rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220602-ka911sedd7/
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:
30b29c25703618d59824bd26663a8c95766c5cf5b34ad7487d3b4c30df6ea15e
MD5 hash:
bb1b1c6e0face3071fce89c63f6e586a
SHA1 hash:
2bdc29c4c5a4aa9eb4590a71a81f5f1d52207a8c
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/ce0f9689-728b-44cf-83c9-22e4c4adca15/
Parent samples :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 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
Link:
https://www.unpac.me/results/ce0f9689-728b-44cf-83c9-22e4c4adca15/
SH256 hash:
0ff63d24f1d90f9826d87d414241bd3a55684b2c62dd4defafbafe4fb14b3919
MD5 hash:
b4d425b593799d05fc7a7a9620a1b959
SHA1 hash:
1ea908be5e6e59e9a3174dc95e38bb79fdd5cf1c
Link:
https://www.unpac.me/results/ce0f9689-728b-44cf-83c9-22e4c4adca15/
SH256 hash:
f8f4eff67e41a37a9c17e7d150261649c6981bdf3f930389694ae2277738d80f
MD5 hash:
57e52e54d0e1712a697f0f11c6f9ceef
SHA1 hash:
87cf12e72237f51709217384c66da44819f516f3
Link:
https://www.unpac.me/results/ce0f9689-728b-44cf-83c9-22e4c4adca15/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.71
Link:
https://yomi.yoroi.company/submissions/f8f4eff67e41a37a9c17e7d150261649c6981bdf3f930389694ae2277738d80f

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.

Malspam

Formbook

Executable exe f8f4eff67e41a37a9c17e7d150261649c6981bdf3f930389694ae2277738d80f

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/276277/

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