MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cd4c3c2bd35873b1645f1c991feb8c9bd6a0e920b64075114c26ea8e74a4c1c4. 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: 12


Intelligence 12 IOCs YARA File information Comments
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SHA256 hash: cd4c3c2bd35873b1645f1c991feb8c9bd6a0e920b64075114c26ea8e74a4c1c4
SHA3-384 hash: 676f48b1d6ca8c5b45924e85ad557f1ea54749a2159bf0e828fe8b6307845e48226d85a01f7c0b5b10d0a5ac5630c9a0
SHA1 hash: 3d1beb573a7040b35b0783c2215d1f4ce674e1a8
MD5 hash: bc8aa22ea84d7c15414faa6e52baf2f6
humanhash: three-high-crazy-tennessee
File name:bc8aa22ea84d7c15414faa6e52baf2f6.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:419'592 bytes
First seen:2022-02-18 11:05:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 099c0646ea7282d232219f8807883be0 (476 x Formbook, 210 x Loki, 107 x AgentTesla)
ssdeep 6144:dwxGb4PqdSmqF8KKIznV9XY342S+8Ra9uqJpVoHEUjtOw9o+qcuO650:2Gb4PqdS01I7V9o3i1MuIVd2ON+5J6m
Threatray 13'443 similar samples on MalwareBazaar
TLSH T14A94F193B3EBC85DCBCD92710C52D6991AE92E021D70562EBF103F9FB97421702DAA53
File icon (PE):PE icon
dhash icon b2b0f2616861c8e0 (1 x Formbook)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
242
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/242511/
Detection(s):
SecuriteInfo.com.FakeAV.CXA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Searching for the window
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Searching for synchronization primitives
Reading critical registry keys
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
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/25aaf996-2079-4e21-8e23-a3ec720e10c6
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/942143
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 domain / URL
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
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)
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Uses netstat to query active network connections and open ports
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 574618 Sample: 85cqP99gWK.exe Startdate: 18/02/2022 Architecture: WINDOWS Score: 100 36 www.holyhirschsprungs.com 2->36 38 www.hempgotas.com 2->38 40 hempgotas.com 2->40 56 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->56 58 Multi AV Scanner detection for domain / URL 2->58 60 Found malware configuration 2->60 62 6 other signatures 2->62 12 85cqP99gWK.exe 19 2->12         started        signatures3 process4 file5 34 C:\Users\user\AppData\...\nbutivrxkc.exe, PE32 12->34 dropped 15 nbutivrxkc.exe 1 12->15         started        process6 signatures7 76 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 15->76 78 Tries to detect virtualization through RDTSC time measurements 15->78 80 Injects a PE file into a foreign processes 15->80 18 nbutivrxkc.exe 15->18         started        21 conhost.exe 15->21         started        process8 signatures9 48 Modifies the context of a thread in another process (thread injection) 18->48 50 Maps a DLL or memory area into another process 18->50 52 Sample uses process hollowing technique 18->52 54 Queues an APC in another process (thread injection) 18->54 23 explorer.exe 18->23 injected process10 dnsIp11 42 www.3a5hlv.icu 45.139.238.63, 49790, 80 TEAM-HOSTASRU Russian Federation 23->42 44 shops.myshopify.com 23.227.38.74, 49812, 80 CLOUDFLARENETUS Canada 23->44 46 10 other IPs or domains 23->46 64 System process connects to network (likely due to code injection or exploit) 23->64 66 Performs DNS queries to domains with low reputation 23->66 68 Uses netstat to query active network connections and open ports 23->68 27 NETSTAT.EXE 23->27         started        signatures12 process13 signatures14 70 Modifies the context of a thread in another process (thread injection) 27->70 72 Maps a DLL or memory area into another process 27->72 74 Tries to detect virtualization through RDTSC time measurements 27->74 30 cmd.exe 1 27->30         started        process15 process16 32 conhost.exe 30->32         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/cd4c3c2bd35873b1645f1c991feb8c9bd6a0e920b64075114c26ea8e74a4c1c4/
Threat name:
Win32.Trojan.SpyNoon
Create hunting rule
Status:
Malicious
First seen:
2022-02-18 08:26:56 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
18 of 42 (42.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zvgdyk6tlbz3czc7dsmr724mtplkb2jawzahkekme3vi45feyhca._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
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Formbook
70b13c456bfbaa2220b8f773273c5e203ffdc7cad7461c1c91ee3bffa4631635
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7cbd8cc35b03d65491ad01b6a44b84dc047e6663189554201c24dbfbeb81473c
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826837df6dde8385f31f1a25df7ebdf946b9519af3142bfb87d4b9196f3822f1
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8c4f6fdac7ad099e36f33ba17cb2f7439dc95916f4013b652f464c866fe88fdc
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a6e23730cd711af23e7900cbabb871b668d37a74dda0c97d63f3303167861cf5
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b7cf8d9d8db4c5eaf796d35251bfc2b24f34c2c77d2ca82a1ebf470323c0894f
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Formbook
+ 13'433 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:ahc8 loader rat suricata
Link:
https://tria.ge/reports/220218-m7d1ysdcel/
Behaviour
Checks processor information in registry
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
4ba151c67b778cd34dd861762d9474946f039c9d066ca04849a7b994bcc6460c
MD5 hash:
97baeeaab7313c74dfd7643c626f7dc5
SHA1 hash:
5419e7ebaabdf884bd2bde82b0aaee7b2cedb84f
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/1856ddf1-aa15-4103-8f85-de91a1e9fba7/
Parent samples :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 hash:
8bd46909b3b4c292f7d35ada0756cca34fb39047c0065f8f6f96191a8c35eec0
MD5 hash:
7bc8aed6c1675063724c2d8e638ff0dd
SHA1 hash:
51b525db185e226265c14b129eaecac6726284be
Link:
https://www.unpac.me/results/1856ddf1-aa15-4103-8f85-de91a1e9fba7/
SH256 hash:
cd4c3c2bd35873b1645f1c991feb8c9bd6a0e920b64075114c26ea8e74a4c1c4
MD5 hash:
bc8aa22ea84d7c15414faa6e52baf2f6
SHA1 hash:
3d1beb573a7040b35b0783c2215d1f4ce674e1a8
Link:
https://www.unpac.me/results/1856ddf1-aa15-4103-8f85-de91a1e9fba7/
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/cd4c3c2bd35873b1645f1c991feb8c9bd6a0e920b64075114c26ea8e74a4c1c4

File information

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

Web download

Formbook

Executable exe cd4c3c2bd35873b1645f1c991feb8c9bd6a0e920b64075114c26ea8e74a4c1c4

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2045122/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/242511/

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