MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 63a24a782f2d4f31f57886852f84eda1eea782ab040cebb37d9325c8da6f2b93. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments
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SHA256 hash: 63a24a782f2d4f31f57886852f84eda1eea782ab040cebb37d9325c8da6f2b93
SHA3-384 hash: 201225504a946a2ed7593cbd7dda76b8b7e72bc8909d86712fd914bef6216f2ed2738b7aefa742bc83bba047529a157d
SHA1 hash: fb1dadcf5db663bde803637b2565dbb44d6b0a99
MD5 hash: dc971c7e49e988c85c5378b82af266fc
humanhash: mobile-jersey-december-autumn
File name:FedEx Receipt.exe
Download: download sample
Signature Formbook
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File size:278'040 bytes
First seen:2022-06-20 09:24:58 UTC
Last seen:2022-06-20 10:47:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'664 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:gxGpg1XmyFFW7DMysqizjxbsyxEmaV1s5hPeTAIpVpse3kTf:gwyD9yDAjpsNXVncIpVpZ3k
TLSH T16744E03E3794CF00C1A9A971C8DB492813F4EECF397196967F5A356D1A833A36E4858C
TrID 52.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
22.4% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
7.5% (.EXE) Win64 Executable (generic) (10523/12/4)
4.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
253
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/281513/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.16801.24721.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
75%
Tags:
obfuscated overlay packed
Link:
https://www.filescan.io/uploads/62b03d2ff4dd1ffb77a37e39/reports/ef0b0634-f1cf-4594-87f7-d4b3b1ae61cd/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/66003e15-5fa5-458f-b5be-1f817f2725e7
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1016189
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code references suspicious native API functions
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Initial sample is a PE file and has a suspicious name
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
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
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 648681 Sample: FedEx Receipt.exe Startdate: 20/06/2022 Architecture: WINDOWS Score: 100 37 Snort IDS alert for network traffic 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 Antivirus detection for URL or domain 2->41 43 7 other signatures 2->43 10 FedEx Receipt.exe 1 2->10         started        process3 file4 27 C:\Users\user\...\FedEx Receipt.exe.log, ASCII 10->27 dropped 13 cvtres.exe 10->13         started        process5 signatures6 51 Modifies the context of a thread in another process (thread injection) 13->51 53 Maps a DLL or memory area into another process 13->53 55 Sample uses process hollowing technique 13->55 57 2 other signatures 13->57 16 explorer.exe 13->16 injected process7 dnsIp8 29 www.vang88.club 64.56.72.187, 49773, 80 PERFECT-INTERNATIONALUS United States 16->29 31 craretsness.com 81.7.8.73, 80 ISPPRO-ASISPPRO-AScoversthenetworksofISPproDE Germany 16->31 33 4 other IPs or domains 16->33 35 System process connects to network (likely due to code injection or exploit) 16->35 20 raserver.exe 16->20         started        signatures9 process10 signatures11 45 Modifies the context of a thread in another process (thread injection) 20->45 47 Maps a DLL or memory area into another process 20->47 49 Tries to detect virtualization through RDTSC time measurements 20->49 23 cmd.exe 1 20->23         started        process12 process13 25 conhost.exe 23->25         started       
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/63a24a782f2d4f31f57886852f84eda1eea782ab040cebb37d9325c8da6f2b93/
Threat name:
ByteCode-MSIL.Trojan.FormBook
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Status:
Malicious
First seen:
2022-06-20 09:25:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=moreu6bpfvhtd5lyq2cs7bhnuhxkpavlaqgoxm35sms4rwtpfojq._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:k0dn loader persistence rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220620-ldly2aebg3/
Behaviour
Gathers network information
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
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Adds policy Run key to start application
Executes dropped EXE
Xloader Payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
eb1bc8ce5d20bc63003be8e9bf7a01185040f631e988f2574346936542fb0b08
MD5 hash:
4fbadbe3906d6d029a770616e042a91b
SHA1 hash:
e28889864400b184a9e11c4e365899e2d9f0c7f2
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/fe04634b-e9b6-4351-aac5-f45f96bd9b0d/
Parent samples :
444785a229ad49a95ce3ac8e0b1e0485fb7dce76d521331397702cdfae648607
63a24a782f2d4f31f57886852f84eda1eea782ab040cebb37d9325c8da6f2b93
6f953b35fe9f1aa984e06446bc6353ecf594c6dbe11e7b07be43bd6e0eb8ad9a
0fcd6e9b28b7605ca9775462603f308e1a598528ff0674e297d66253619f42f4
1623f32f1937aa2290ac5c0cd3c132be192d4fad1782768bf1b705272e245ca5
abaea9c3b27ce7b16be954313ac278a2858afdec6e8baa408e6a6944e30ee4a0
SH256 hash:
28a98d011eb9d2e8f647ecbdca78929f3954d24f8f4ed08985c4c06b944c27dc
MD5 hash:
c09a1ed40d431c8135eb0d90286e7774
SHA1 hash:
3d2189b7811c23c96f9f5eff94b8606d98649db5
Link:
https://www.unpac.me/results/fe04634b-e9b6-4351-aac5-f45f96bd9b0d/
SH256 hash:
63a24a782f2d4f31f57886852f84eda1eea782ab040cebb37d9325c8da6f2b93
MD5 hash:
dc971c7e49e988c85c5378b82af266fc
SHA1 hash:
fb1dadcf5db663bde803637b2565dbb44d6b0a99
Link:
https://www.unpac.me/results/fe04634b-e9b6-4351-aac5-f45f96bd9b0d/
Malware family:
XLoader
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/63a24a782f2d/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/63a24a782f2d4f31f57886852f84eda1eea782ab040cebb37d9325c8da6f2b93

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:exploit_any_poppopret
Create hunting rule
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
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 63a24a782f2d4f31f57886852f84eda1eea782ab040cebb37d9325c8da6f2b93

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/281513/

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