MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bb674117be9903b620655b4fbf844c37d14e4d28a66497e2fe70d4f6e9d31682. 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 5 File information Comments
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SHA256 hash: bb674117be9903b620655b4fbf844c37d14e4d28a66497e2fe70d4f6e9d31682
SHA3-384 hash: 6f6d4f16fc7bbd519c693e0f96d0ca8deb537c60b8daaa853f3dd8d09205bbd886657e433aafc5015ff3c15d9a9aae6c
SHA1 hash: 4f2542c6b5bf84493fe2658216ddacdcd4a5c5f3
MD5 hash: ad1cfd5544a656e143d7e4eeacbebf6b
humanhash: blue-bakerloo-fourteen-alanine
File name:PO-04112022.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'085'440 bytes
First seen:2022-04-11 06:53:55 UTC
Last seen:2022-04-11 08:07:16 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 24576:ABxdBqCebfeuXVgOG2oE9SwOqNUyLywm0y6ZTg:mxdBqCafeEVMZEnOquyGT0BZTg
Threatray 14'815 similar samples on MalwareBazaar
TLSH T10135F1616B665683F2F9263040AAEAB172F131854237F3ADBC88C2357FD12C5D6513EE
File icon (PE):PE icon
dhash icon 70ccb26969b2cc71 (35 x AgentTesla, 13 x Formbook, 2 x SnakeKeylogger)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
224
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/262514/
Detection(s):
SecuriteInfo.com.Trojan.MSIL.Noon.lc.27753.4804.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Searching for synchronization primitives
DNS request
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/6253d09004b81dabe27d6a39/reports/7d03c8ca-6f44-4129-a0fe-b993fb0286c5/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/167075da-bc35-4c73-bccf-3f4ac5422245
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/974280
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Antivirus detection for URL or domain
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Sigma detected: CMSTP Execution Process Creation
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 606766 Sample: PO-04112022.exe Startdate: 11/04/2022 Architecture: WINDOWS Score: 100 30 Found malware configuration 2->30 32 Malicious sample detected (through community Yara rule) 2->32 34 Antivirus detection for URL or domain 2->34 36 9 other signatures 2->36 10 PO-04112022.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...\PO-04112022.exe.log, ASCII 10->28 dropped 46 Tries to detect virtualization through RDTSC time measurements 10->46 48 Injects a PE file into a foreign processes 10->48 14 PO-04112022.exe 10->14         started        signatures5 process6 signatures7 50 Modifies the context of a thread in another process (thread injection) 14->50 52 Maps a DLL or memory area into another process 14->52 54 Sample uses process hollowing technique 14->54 56 Queues an APC in another process (thread injection) 14->56 17 explorer.exe 14->17 injected process8 process9 19 cmstp.exe 17->19         started        signatures10 38 Self deletion via cmd delete 19->38 40 Modifies the context of a thread in another process (thread injection) 19->40 42 Maps a DLL or memory area into another process 19->42 44 Tries to detect virtualization through RDTSC time measurements 19->44 22 cmd.exe 1 19->22         started        24 explorer.exe 146 19->24         started        process11 process12 26 conhost.exe 22->26         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bb674117be9903b620655b4fbf844c37d14e4d28a66497e2fe70d4f6e9d31682/
Threat name:
ByteCode-MSIL.Trojan.FormBook
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Status:
Malicious
First seen:
2022-04-11 04:21:20 UTC
File Type:
PE (.Net Exe)
Extracted files:
80
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xntucf56teb3midflnh37bcmg7iu4tjiuzsjpyx6odkpn2otc2ba._file
Verdict:
malicious
Label(s):
formbook
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Similar samples:
343b4b05edd43bc8d86028dd220067dd99d435689cb815812d2db77875166b4d
Formbook
3e302b7a1b7d9862a5917a03e08205d8016cb2974566725e16926f4e6cff9c6b
Formbook
48b9bb721ab60fa9fc9feecef6c4e513b4bfc2049c72f187bdea927b20aa3898
Formbook
5645d9e38c998f5db43ae93e35339d7dca0a96b81f806b370624e7410e2eea0a
Formbook
94384e9eb5a340cf1d261e7a752e4b7c189857a9815629fe38bfaf7052bd5829
Formbook
9d6b789a2ad972a6aabefaad543608e0608f6c94b127eceee7b441bace6b7958
Formbook
c46f804f0a1b6899f11e3360a430d67a4bde7c7d677cc718b344753d1318636a
Formbook
fa41d632cd7c8ed80982c6cfa90e964e086ec9c0c78344e76f8f62d9343941d9
Formbook
+ 14'805 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:ioxf loader rat suricata
Link:
https://tria.ge/reports/220411-hn73gabbfn/
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 WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
ad53acae071367ed26937b96492c12c2a9f78390eab755a424431b516908a634
MD5 hash:
7a7a0f11b730ba5f5ee0fcfb39f37236
SHA1 hash:
a1709817e2f25f48dafbe63ae1cae130e69e2d1d
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/5d239d48-2e92-4dc5-9cd0-9776f617042c/
Parent samples :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 hash:
9894534df3da22e1d456b9ac23a70acda4cc968d9d918c8014f8992c95e5ce7d
MD5 hash:
ed25e458fb20f2d184ae28a973a76044
SHA1 hash:
c7b146852c7c7841561ca32e786c42146cb4a0f9
Link:
https://www.unpac.me/results/5d239d48-2e92-4dc5-9cd0-9776f617042c/
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
Link:
https://www.unpac.me/results/5d239d48-2e92-4dc5-9cd0-9776f617042c/
SH256 hash:
bb674117be9903b620655b4fbf844c37d14e4d28a66497e2fe70d4f6e9d31682
MD5 hash:
ad1cfd5544a656e143d7e4eeacbebf6b
SHA1 hash:
4f2542c6b5bf84493fe2658216ddacdcd4a5c5f3
Link:
https://www.unpac.me/results/5d239d48-2e92-4dc5-9cd0-9776f617042c/
Malware family:
XLoader
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/bb674117be99/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.71
Link:
https://yomi.yoroi.company/submissions/bb674117be9903b620655b4fbf844c37d14e4d28a66497e2fe70d4f6e9d31682

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:pe_imphash
Create hunting rule
Rule name:quakbot_halo_generated
Create hunting rule
Author:Halogen Generated Rule, Corsin Camichel
Rule name:silentbuilder_halo_generated
Create hunting rule
Author:Halogen Generated Rule, Corsin Camichel
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 bb674117be9903b620655b4fbf844c37d14e4d28a66497e2fe70d4f6e9d31682

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/262514/

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