MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 934cdab74883aa6b38f53310f73ffd5b8c4a175fad14b9eb5c6873653242410b. 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: 18


Intelligence 18 IOCs YARA 2 File information Comments
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SHA256 hash: 934cdab74883aa6b38f53310f73ffd5b8c4a175fad14b9eb5c6873653242410b
SHA3-384 hash: 1816fef76ddf9e593592425e2937852793c1127a30f3abd21239ecca9c68050369f88d448a2a5d1a692115d33a822279
SHA1 hash: bea3ca7b073e5c153bdc4cc4be65492f5078233c
MD5 hash: e559abfd18526903b15e23a80267c721
humanhash: red-magnesium-ink-blue
File name:RFQ#505.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:482'169 bytes
First seen:2022-03-29 10:18:30 UTC
Last seen:2022-04-04 09:54:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 56a78d55f3f7af51443e58e0ce2fb5f6 (720 x GuLoader, 451 x Formbook, 295 x Loki)
ssdeep 12288:sNB39rXiZsJmar88ZTvdpFrNlX96ZvazacE:sNBprZLJ9KSmr
Threatray 14'696 similar samples on MalwareBazaar
TLSH T116A40198368FD527D8648FB21C35C46AA6799C349D79832F3310BB6C1F732E26636346
File icon (PE):PE icon
dhash icon e4e4e0e0d0f0f0d8 (1 x Formbook)
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
3
# of downloads :
291
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
ab.exe
Verdict:
Malicious activity
Analysis date:
2022-03-29 12:00:19 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/9c30fd8e-3dbd-40a6-a5f0-71b11aefe598

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/259114/
Detection(s):
Win.Dropper.Temonde-6571898-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Сreating synchronization primitives
Launching a process
Searching for synchronization primitives
Launching cmd.exe command interpreter
Reading critical registry keys
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
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/11984/overview
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control.exe overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/6242dd1b1f2042394849f08c/reports/763b5d12-63e1-4030-ae0b-38b36f4780ec/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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f8ee32ed-0a7c-4da7-bfb3-588b486eb566
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/966587
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
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)
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: CMSTP Execution Process Creation
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: 599076 Sample: RFQ#505.exe Startdate: 29/03/2022 Architecture: WINDOWS Score: 100 35 www.media-lan.store 2->35 55 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->55 57 Found malware configuration 2->57 59 Malicious sample detected (through community Yara rule) 2->59 61 4 other signatures 2->61 12 RFQ#505.exe 18 2->12         started        signatures3 process4 file5 33 C:\Users\user\AppData\Local\...\miaumuz.exe, PE32 12->33 dropped 15 miaumuz.exe 12->15         started        process6 signatures7 73 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 15->73 75 Tries to detect virtualization through RDTSC time measurements 15->75 77 Injects a PE file into a foreign processes 15->77 18 miaumuz.exe 15->18         started        process8 signatures9 47 Modifies the context of a thread in another process (thread injection) 18->47 49 Maps a DLL or memory area into another process 18->49 51 Sample uses process hollowing technique 18->51 53 Queues an APC in another process (thread injection) 18->53 21 explorer.exe 18->21 injected process10 dnsIp11 37 www.greydom.xyz 21->37 39 www.peblish.com 185.151.30.179, 49706, 80 TWENTYIGB United Kingdom 21->39 41 6 other IPs or domains 21->41 63 System process connects to network (likely due to code injection or exploit) 21->63 65 Performs DNS queries to domains with low reputation 21->65 25 cmstp.exe 12 21->25         started        signatures12 process13 dnsIp14 43 www.buraknet.com 25->43 45 buraknet.com 25->45 67 Modifies the context of a thread in another process (thread injection) 25->67 69 Maps a DLL or memory area into another process 25->69 71 Tries to detect virtualization through RDTSC time measurements 25->71 29 cmd.exe 1 25->29         started        signatures15 process16 process17 31 conhost.exe 29->31         started       
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/934cdab74883aa6b38f53310f73ffd5b8c4a175fad14b9eb5c6873653242410b/
Threat name:
Win32.Trojan.FormBook
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Status:
Malicious
First seen:
2022-03-29 10:19:11 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
25 of 42 (59.52%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=sngnvn2iqovgwohvgmipop75logeuf27vuklt224nbzwkmsciefq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0da36b7f7e4b44b640ab5769532fdd7599032ca2b1d6b57807ba48ad1fa76780
Formbook
10e843cb410f513e249db4c528625026ece0b840f9ccae2e3b8bc2aba8c7cb69
Formbook
2a4415721925c12ce8a80719697ffbda5daf88fe34804b0549bc5d5605790cdb
Formbook
75362f20dab8d57db3ade6427e647b0bc01d8345ccfa9781d5778877f04f7fb5
Formbook
8ddf9843afa2f66549fe02a8ddc9811c2ca231f3107340272879da1a782159f9
Formbook
a2c0c62a11f867cff9fe7cd1b2597c9a7bb1c268e18e35289d6f7afdb2adbdbc
Formbook
a871695c7312b67a4d3e5c3a41094a5c3824fcfa9f02ee67b2e0d21a0ba061d2
Formbook
c86f3a2110ed2a8498cf30d4ab88cf9ea18edc612835fe2b369e7596dafb802e
Formbook
deac58296321ec67026dc3de7275137fbdf1775e28fbd9e4d3bf528be7bc95ff
Formbook
+ 14'686 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:sj8q loader rat suricata
Link:
https://tria.ge/reports/220329-mchewshbgn/
Behaviour
Modifies data under HKEY_USERS
Modifies registry class
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Blocklisted process makes network request
Executes dropped EXE
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
6d0548df967b7390cfd5bcf0969bd64a4f4f682053e64336b7f698c45e6efbb7
MD5 hash:
8112b6330d54935ca1c897b73c02d32a
SHA1 hash:
4de0774399802342d005f395a7fd0ed8a7ad3d46
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/fc8da915-7ce8-4ba2-82f3-31511078e9c6/
Parent samples :
83e2d139b07165c8ee6bb9253d4a1df920ee6cebaa0d5bd16723848dc0c5613b
782df1aaa2744ba6a9efd5c9c05e16293e43a10093ab651866ceb009f977a9f6
350f69de23d0f180b69a85ef2b3a09195ebb95ac525d09082504d955f63f59e1
c86f3a2110ed2a8498cf30d4ab88cf9ea18edc612835fe2b369e7596dafb802e
a2c0c62a11f867cff9fe7cd1b2597c9a7bb1c268e18e35289d6f7afdb2adbdbc
439db5f69b49091964c335c5977bc6dbf8aa41398d0240410dfeb898add7dace
934cdab74883aa6b38f53310f73ffd5b8c4a175fad14b9eb5c6873653242410b
SH256 hash:
688ceb6b4d329bc583a5f1cc4031e4a2d0f44033a16e9fcb8d8b511d9256d0ec
MD5 hash:
2795ae8c93a55da2da1a80e37a719d3a
SHA1 hash:
7396d8298f429d7d870516c1bc04db219ba66728
Link:
https://www.unpac.me/results/fc8da915-7ce8-4ba2-82f3-31511078e9c6/
SH256 hash:
934cdab74883aa6b38f53310f73ffd5b8c4a175fad14b9eb5c6873653242410b
MD5 hash:
e559abfd18526903b15e23a80267c721
SHA1 hash:
bea3ca7b073e5c153bdc4cc4be65492f5078233c
Link:
https://www.unpac.me/results/fc8da915-7ce8-4ba2-82f3-31511078e9c6/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/934cdab74883/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/934cdab74883aa6b38f53310f73ffd5b8c4a175fad14b9eb5c6873653242410b

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:malware_Formbook_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information

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

Malspam

Formbook

Executable exe 934cdab74883aa6b38f53310f73ffd5b8c4a175fad14b9eb5c6873653242410b

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/259114/

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