MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 38e4be0b1612a87858ee40b6c9eebd264d02e4488a34c3f1269ca385b01d1b20. 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 4 File information Comments
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SHA256 hash: 38e4be0b1612a87858ee40b6c9eebd264d02e4488a34c3f1269ca385b01d1b20
SHA3-384 hash: 3ef6043d4e1739c129dfd84d1f9940f85c216739c7d2de8094b2fcaf6193cd1015899a4ebbd3aaa021b8d50bd483f305
SHA1 hash: f8f7be9f46f84b95e1f70ae85c177e28a0d80590
MD5 hash: 6fcfd40e4d1acc3866b1751f84aee568
humanhash: rugby-yankee-kansas-artist
File name:Vt03edQseah3iHM.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:590'336 bytes
First seen:2021-07-30 07:09:52 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:UPAtycUBlAtsYoLL/NXG1+h6jzLnEQwSl7ZkZHOO:ZknBlYoXNcRH4Qwm1UHB
Threatray 7'069 similar samples on MalwareBazaar
TLSH T146C4E0A92604DE57C27C88B9C481A5F043F28C3AE550E78BBDD53DAAB7F136007065EB
dhash icon 4549494d4d2b714d (7 x Formbook, 6 x AgentTesla, 3 x NanoCore)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
575
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Vt03edQseah3iHM.exe
Verdict:
Malicious activity
Analysis date:
2021-07-30 07:11:28 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/dbcafbbb-e591-4585-9818-7126146743a6

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/175218/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9439b00c-15e9-40e7-be8a-400ccf7b2e66
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/824309
Signature
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
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 domain / URL
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Suspicious Process Start Without DLL
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
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: 456718 Sample: Vt03edQseah3iHM.exe Startdate: 30/07/2021 Architecture: WINDOWS Score: 100 42 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->42 44 Multi AV Scanner detection for domain / URL 2->44 46 Found malware configuration 2->46 48 9 other signatures 2->48 9 Vt03edQseah3iHM.exe 3 2->9         started        process3 file4 26 C:\Users\user\...\Vt03edQseah3iHM.exe.log, ASCII 9->26 dropped 50 Writes to foreign memory regions 9->50 52 Injects a PE file into a foreign processes 9->52 13 RegSvcs.exe 9->13         started        signatures5 process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 13->54 56 Maps a DLL or memory area into another process 13->56 58 Sample uses process hollowing technique 13->58 60 2 other signatures 13->60 16 control.exe 13->16         started        19 explorer.exe 13->19 injected process8 dnsIp9 34 Modifies the context of a thread in another process (thread injection) 16->34 36 Maps a DLL or memory area into another process 16->36 38 Tries to detect virtualization through RDTSC time measurements 16->38 22 cmd.exe 1 16->22         started        28 ecorner.online 68.65.123.125, 49742, 80 NAMECHEAP-NETUS United States 19->28 30 ghs.google.com 216.58.215.243, 49744, 80 GOOGLEUS United States 19->30 32 6 other IPs or domains 19->32 40 System process connects to network (likely due to code injection or exploit) 19->40 signatures10 process11 process12 24 conhost.exe 22->24         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/38e4be0b1612a87858ee40b6c9eebd264d02e4488a34c3f1269ca385b01d1b20/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-07-28 10:14:32 UTC
AV detection:
20 of 27 (74.07%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=hdsl4cywckuhqwhoic3mt3v5ezgqfzciri2mh4jgtsrylma5dmqa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
06e6b50f2a956f1fff285d4717f7dc33af56f8f08255f744cbd0eba9b0fe82e9
Formbook
2d7aac32ea8a8329262ead70ec2f030c1a4061e4edafdf03e605bb9ce606836e
Formbook
3a4677dc6f14f38983af15458b11d5f92e71dea8d5cd0e5b263c50d211a72621
Formbook
4cf933c9f31b4e3dae8002043c64a401f91a228adeadfbca9b172b3333f1be6b
Formbook
e59a1d022c6c4f0cc7d23689004e65ea7f1f940adef98cf891a008dd9d7f66d9
Formbook
+ 7'059 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat suricata
Link:
https://tria.ge/reports/210730-c24ebhdetj/
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 UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Blocklisted process makes network request
CustAttr .NET packer
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.panyu-qqbaby.com/weni/
Unpacked files
SH256 hash:
6f54cee217deaf54bd3f9c1a2169f437a7eee29309f87232ce46032eca3b1363
MD5 hash:
550970889e4325645c8671d69bf96a91
SHA1 hash:
35673655771636cd80db6fcc2714bee15d6156b1
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/f5b354ad-d506-48d6-bb42-6dddf9bf2886/
Parent samples :
4cf933c9f31b4e3dae8002043c64a401f91a228adeadfbca9b172b3333f1be6b
2d7aac32ea8a8329262ead70ec2f030c1a4061e4edafdf03e605bb9ce606836e
3a4677dc6f14f38983af15458b11d5f92e71dea8d5cd0e5b263c50d211a72621
e59a1d022c6c4f0cc7d23689004e65ea7f1f940adef98cf891a008dd9d7f66d9
06e6b50f2a956f1fff285d4717f7dc33af56f8f08255f744cbd0eba9b0fe82e9
38e4be0b1612a87858ee40b6c9eebd264d02e4488a34c3f1269ca385b01d1b20
ec5f4dcc08f293334a46654b279444c6c128608c6af38a4139a5b28503954219
6c60876d91087cbd176ff5419577f2b3315b2d3a9d9c6d11a06b95ea10d5311f
b07a33b6e6d8007b04f1f4a78cd8be773506bbf6b60ed0227665188d57e82a15
77d33d0e8b91781213a971ebc2e6abe4191bf2c28ff0ede19b07db092f590dff
06d062adc4478b2c95f98fec038fe559eff9fa60ce98d05d257f37c00a9026d6
4ca6a48021d7d442d9311b158691b1f219576d7d37a99f64741463659903ad4c
SH256 hash:
e8b5e3e0a03898987f2523d0a805262046e16eed94a88d12332dc3d21055f45d
MD5 hash:
eaf1b8d61647b4708a7302182adbeade
SHA1 hash:
7d5b90c50b4bcce107e26d995f997c553b8b3993
Link:
https://www.unpac.me/results/f5b354ad-d506-48d6-bb42-6dddf9bf2886/
SH256 hash:
97d2fa1d01b2f9a2199896e05e0cf60c14a9f41ef2d72e15fbb862b7afa08438
MD5 hash:
68463851c0e6fe7a254c99fae763d454
SHA1 hash:
4587a5371d88c296a0184fe47ee0c5245b187127
Link:
https://www.unpac.me/results/f5b354ad-d506-48d6-bb42-6dddf9bf2886/
SH256 hash:
f4b6391b89a756b254ec8950efe307334f5c20566eb09fcc9f8d7eb16e2c83eb
MD5 hash:
1825c7bd808defb4e60e30e88452f422
SHA1 hash:
419e9ad5db7521766502132f10d09cc380cdfdef
Link:
https://www.unpac.me/results/f5b354ad-d506-48d6-bb42-6dddf9bf2886/
SH256 hash:
38e4be0b1612a87858ee40b6c9eebd264d02e4488a34c3f1269ca385b01d1b20
MD5 hash:
6fcfd40e4d1acc3866b1751f84aee568
SHA1 hash:
f8f7be9f46f84b95e1f70ae85c177e28a0d80590
Link:
https://www.unpac.me/results/f5b354ad-d506-48d6-bb42-6dddf9bf2886/
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/38e4be0b1612a87858ee40b6c9eebd264d02e4488a34c3f1269ca385b01d1b20

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
Create hunting rule
Author:@VK_Intel
Description:Detects Avaddon ransomware
Reference:https://twitter.com/VK_Intel/status/1300944441390370819
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
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.

Malspam

Formbook

Executable exe 38e4be0b1612a87858ee40b6c9eebd264d02e4488a34c3f1269ca385b01d1b20

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/175218/

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