MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7791cb00900b2cedf11970c8f42064656b58c61721b9c230fc0ab15af40479d1. 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 File information Comments
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SHA256 hash: 7791cb00900b2cedf11970c8f42064656b58c61721b9c230fc0ab15af40479d1
SHA3-384 hash: 20bb5e4516d0e50e88fd1a9d5f9fb48af3bad0b96e6420875e35431f1c4a4a2405dae9ce8bb66d55a396e41e461f28e8
SHA1 hash: a414b5d924f7ee2bf1de38cdd04fdbe62a04c411
MD5 hash: 922b85fda90aeb6b6b23aa0d1847794f
humanhash: lemon-maryland-mexico-finch
File name:922b85fda90aeb6b6b23aa0d1847794f.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:345'212 bytes
First seen:2022-02-24 18:09:09 UTC
Last seen:2022-02-24 19:53:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla)
ssdeep 6144:TxD5l3BStMDjg4TN0mV56EuL80ohoxjyGHNFRG9vI7:NcSYqOGHuLTk8jNHNzG9vI7
TLSH T14374230C24C4DCB7F54182B959F769D9E37FDA082260255F7F38DFB529220A74638B2A
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 :
2
# of downloads :
236
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DUM 70-779 D.xlsx
Verdict:
Malicious activity
Analysis date:
2022-02-25 03:42:32 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader trojan formbook stealer
Link:
https://app.any.run/tasks/fd1d6c9f-3e30-4b03-82c3-37fbe7993b50

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/244409/
Detection(s):
SecuriteInfo.com.Trojan.Siggen17.14629.20042.3943.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Searching for synchronization primitives
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
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control.exe overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/6217ca003b743d74eee73afd/reports/bb8e10ef-f7f9-48f2-903c-b84db19cc7d2/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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/10b6c293-ca85-4dd0-8417-a598cc6a4ab0
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/945953
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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 dropped file
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
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 578442 Sample: hEEXrQcVXC.exe Startdate: 24/02/2022 Architecture: WINDOWS Score: 100 34 www.599-63rdstreet.com 2->34 50 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->50 52 Multi AV Scanner detection for domain / URL 2->52 54 Found malware configuration 2->54 56 5 other signatures 2->56 12 hEEXrQcVXC.exe 18 2->12         started        signatures3 process4 file5 32 C:\Users\user\AppData\Local\...\ayespaml.exe, PE32 12->32 dropped 15 ayespaml.exe 12->15         started        process6 signatures7 68 Multi AV Scanner detection for dropped file 15->68 70 Tries to detect virtualization through RDTSC time measurements 15->70 18 ayespaml.exe 15->18         started        process8 signatures9 42 Modifies the context of a thread in another process (thread injection) 18->42 44 Maps a DLL or memory area into another process 18->44 46 Sample uses process hollowing technique 18->46 48 Queues an APC in another process (thread injection) 18->48 21 explorer.exe 18->21 injected process10 dnsIp11 36 www.bisbenefits.solutions 15.197.142.173, 49693, 80 TANDEMUS United States 21->36 38 www.evengl.com 154.216.111.154, 49699, 80 POWERLINE-AS-APPOWERLINEDATACENTERHK Seychelles 21->38 40 8 other IPs or domains 21->40 58 System process connects to network (likely due to code injection or exploit) 21->58 60 Performs DNS queries to domains with low reputation 21->60 25 wlanext.exe 21->25         started        signatures12 process13 signatures14 62 Modifies the context of a thread in another process (thread injection) 25->62 64 Maps a DLL or memory area into another process 25->64 66 Tries to detect virtualization through RDTSC time measurements 25->66 28 cmd.exe 1 25->28         started        process15 process16 30 conhost.exe 28->30         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/7791cb00900b2cedf11970c8f42064656b58c61721b9c230fc0ab15af40479d1/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-02-24 08:28:10 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=o6i4waeqbmwo34izodepiidemvvvrrqxeg44emh4bkyvv5aephiq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:p2a5 loader rat suricata
Link:
https://tria.ge/reports/220224-wr2xhsegbr/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE Possible Compromised Host AnubisNetworks Sinkhole Cookie Value Snkz
Unpacked files
SH256 hash:
7995f55de84308551efa85db5fb6490b6c56de6ef8c5ab3be213f691c66fe061
MD5 hash:
5895ec222ad01e68b76fa0b9c684f52c
SHA1 hash:
f2c321ca1b8e32975ea8f1614113669442c32b9a
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/4ae29a8e-38a0-4cdc-ae6b-b782f6773262/
Parent samples :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 hash:
2191322014e9ce6e498167caf46c1e2bc2caa4d8853a81c00fbbb3b90e040e52
MD5 hash:
d401bb167b8a075f67959b413f8d4794
SHA1 hash:
33bd6a4fd3b616e31dbc94c8a9779f517e1334b6
Link:
https://www.unpac.me/results/4ae29a8e-38a0-4cdc-ae6b-b782f6773262/
SH256 hash:
7791cb00900b2cedf11970c8f42064656b58c61721b9c230fc0ab15af40479d1
MD5 hash:
922b85fda90aeb6b6b23aa0d1847794f
SHA1 hash:
a414b5d924f7ee2bf1de38cdd04fdbe62a04c411
Link:
https://www.unpac.me/results/4ae29a8e-38a0-4cdc-ae6b-b782f6773262/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/7791cb00900b/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/7791cb00900b2cedf11970c8f42064656b58c61721b9c230fc0ab15af40479d1

File information

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

Web download

Formbook

Executable exe 7791cb00900b2cedf11970c8f42064656b58c61721b9c230fc0ab15af40479d1

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/244409/
  
URLhaus
https://urlhaus.abuse.ch/url/2057264/
  
Delivery method
Distributed via web download

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