MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 af9f5fc2070bf3a071ac2bc1f6de6af704d4c5d7f16f1f9d03086a176431064c. 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 4 File information Comments
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SHA256 hash: af9f5fc2070bf3a071ac2bc1f6de6af704d4c5d7f16f1f9d03086a176431064c
SHA3-384 hash: a5dfc5a93d45c38f6d3d8599b19833b6e41d2162bdda948620da5a2e3d21bd6f36df084c0f5c161014f69bc0f49877c9
SHA1 hash: bbdb3359aae363e490946bc778023519dfd08fcb
MD5 hash: b65dd373a3b80bc48f29a47ccb785af4
humanhash: west-mango-thirteen-jersey
File name:b65dd373a3b80bc48f29a47ccb785af4.exe
Download: download sample
Signature Formbook
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File size:274'788 bytes
First seen:2022-04-14 11:25:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 3abe302b6d9a1256e6a915429af4ffd2 (271 x GuLoader, 38 x Formbook, 25 x Loki)
ssdeep 3072:z030XCIscLlj+cwb/65qMgtB4Iz0oiBQqgXTHdw3gupGJWYbr18Y3l3GdfGIgQCT:zjg/iI4ZoiGqgh1u0JffVWZGI2k0v/
TLSH T16E44123A69F7D0F3E785077248BADBF8C3BE97301671B59F130C5E66523808248596AB
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
287
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
b65dd373a3b80bc48f29a47ccb785af4.exe
Verdict:
Malicious activity
Analysis date:
2022-04-14 11:27:32 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/d7e8d6e5-3db5-4a28-9916-ffc1c6c72e65

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/263696/
Detection(s):
SecuriteInfo.com.Variant.Jaik.63881.19558.22897.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/13863/overview
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control.exe overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/625804d9ffe27d5119cd8468/reports/3c753497-c7f6-4401-bf75-3c2952b54689/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:
Generic Malware
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c2fe9fa7-ce4b-419e-9db2-0c2c5f80dab0
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/976780
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found 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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 609263 Sample: fQfvNRfuf1.exe Startdate: 14/04/2022 Architecture: WINDOWS Score: 100 36 www.essaysparlor.com 2->36 38 www.miaglam.com 2->38 48 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->48 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 5 other signatures 2->54 12 fQfvNRfuf1.exe 18 2->12         started        signatures3 process4 file5 34 C:\Users\user\AppData\Local\Temp\ytcxww.exe, PE32 12->34 dropped 15 ytcxww.exe 1 12->15         started        process6 signatures7 62 Multi AV Scanner detection for dropped file 15->62 64 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 15->64 66 Tries to detect virtualization through RDTSC time measurements 15->66 68 Injects a PE file into a foreign processes 15->68 18 ytcxww.exe 15->18         started        21 conhost.exe 15->21         started        process8 signatures9 40 Modifies the context of a thread in another process (thread injection) 18->40 42 Maps a DLL or memory area into another process 18->42 44 Sample uses process hollowing technique 18->44 46 Queues an APC in another process (thread injection) 18->46 23 explorer.exe 18->23 injected process10 process11 25 explorer.exe 23->25         started        signatures12 56 Modifies the context of a thread in another process (thread injection) 25->56 58 Maps a DLL or memory area into another process 25->58 60 Tries to detect virtualization through RDTSC time measurements 25->60 28 cmd.exe 1 25->28         started        30 explorer.exe 1 138 25->30         started        process13 process14 32 conhost.exe 28->32         started       
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/af9f5fc2070bf3a071ac2bc1f6de6af704d4c5d7f16f1f9d03086a176431064c/
Threat name:
Win32.Trojan.FormBook
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Status:
Malicious
First seen:
2022-04-14 02:59:18 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
24 of 41 (58.54%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=v6pv7qqhbpz2a4nmfpa7nxtk64cnjrox6fxr7hidbbvbozbrazga._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
xloader
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Score:
  10/10
Tags:
family:formbook family:xloader campaign:ud5f loader persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/220414-nke56shha3/
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
Enumerates physical storage devices
Program crash
Drops file in Program Files directory
Suspicious use of SetThreadContext
Loads dropped DLL
Reads user/profile data of web browsers
Adds policy Run key to start application
Executes dropped EXE
Xloader Payload
Formbook
Xloader
Unpacked files
SH256 hash:
cf67ed89b1ad5002a948232de75f9cc28bc8dab6eb609a93ef254557ca4a5a48
MD5 hash:
20d4c91137cd70ee101d7c25274cceff
SHA1 hash:
37f85eee3785fc323de9546f3f1034c80fc24ef0
Link:
https://www.unpac.me/results/ea5a2462-9d58-47e7-8007-8a9ed8443364/
Parent samples :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 hash:
115132c5101bdfa32c0e74f81cb51ee5d8a8304ca3cd6d24668ba2f7a9eb0ef9
MD5 hash:
1461435f8e1f37230c864643b91de6b0
SHA1 hash:
4a86524fca2645d9e13447d3bddf7b15cb3f8bb2
Link:
https://www.unpac.me/results/ea5a2462-9d58-47e7-8007-8a9ed8443364/
SH256 hash:
af9f5fc2070bf3a071ac2bc1f6de6af704d4c5d7f16f1f9d03086a176431064c
MD5 hash:
b65dd373a3b80bc48f29a47ccb785af4
SHA1 hash:
bbdb3359aae363e490946bc778023519dfd08fcb
Link:
https://www.unpac.me/results/ea5a2462-9d58-47e7-8007-8a9ed8443364/
Malware family:
XLoader
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/af9f5fc2070b/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.18
Link:
https://yomi.yoroi.company/submissions/af9f5fc2070bf3a071ac2bc1f6de6af704d4c5d7f16f1f9d03086a176431064c

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:crime_win32_ransom_avaddon_1
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Author:@VK_Intel
Description:Detects Avaddon ransomware
Reference:https://twitter.com/VK_Intel/status/1300944441390370819
Rule name:Ins_NSIS_Buer_Nov_2020_1
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Author:Arkbird_SOLG
Description:Detect NSIS installer used for Buer loader
Rule name:malware_Formbook_strings
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Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:win_formbook_auto
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Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Formbook

Executable exe af9f5fc2070bf3a071ac2bc1f6de6af704d4c5d7f16f1f9d03086a176431064c

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2144805/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/263696/

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