MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fd86ed836eaae451df45e757be525d3c9260d72e0c8af2eb85f1832a8499eac1. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fd86ed836eaae451df45e757be525d3c9260d72e0c8af2eb85f1832a8499eac1
SHA3-384 hash: 76ead3a069425f6a849b8df0cbd4c8d4faa681ddff2698404e5dd041223bf5bea6b5ec0c0ba15e3f54fd5b28fcf64d21
SHA1 hash: 3b9a060bb64b880595287fcc300d4b5513acb879
MD5 hash: c348f7fa655d92a8af86e74aa75821e6
humanhash: indigo-oregon-mountain-venus
File name:vsl_rfq01209800122.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:255'553 bytes
First seen:2022-01-25 09:28:14 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:owiGyFiYH4Josthtem1GPu0gueQDhCX/0tkYUVet/rZ:kFiegtHhIPu0/tDhvUSTZ
Threatray 13'054 similar samples on MalwareBazaar
TLSH T10144130D75D8C4ABC99926B310ABDF52D3FBCB042A96074B13909F56B43B1C5D27638B
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
149
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
vsl_rfq01209800122.exe
Verdict:
Malicious activity
Analysis date:
2022-01-25 09:34:18 UTC
Tags:
installer trojan formbook stealer
Link:
https://app.any.run/tasks/5d808550-34a0-4d27-87f4-fd06bea504d8

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/222265/
Detection(s):
SecuriteInfo.com.FakeAV.CXA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a file
Unauthorized injection to a recently created process
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Searching for synchronization primitives
DNS request
Sending a custom TCP request
Sending an HTTP GET request
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/61efc2e10f8c757253e61684/reports/0e9ba1f2-34a2-43d9-a074-52e7b35dfa91/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/0f36c289-7d57-4f3d-86da-c474525b2c09
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/926908
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 submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Suspicious Rundll32 Without Any CommandLine Params
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: 559392 Sample: vsl_rfq01209800122.exe Startdate: 25/01/2022 Architecture: WINDOWS Score: 100 34 www.alemdogarimpo.com 2->34 36 www.speclove.com 2->36 38 2 other IPs or domains 2->38 50 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->50 52 Found malware configuration 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 7 other signatures 2->56 11 vsl_rfq01209800122.exe 19 2->11         started        signatures3 process4 file5 32 C:\Users\user\AppData\Local\...\rgyunbk.dll, PE32 11->32 dropped 68 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 11->68 70 Tries to detect virtualization through RDTSC time measurements 11->70 72 Injects a PE file into a foreign processes 11->72 15 vsl_rfq01209800122.exe 11->15         started        signatures6 process7 signatures8 74 Modifies the context of a thread in another process (thread injection) 15->74 76 Maps a DLL or memory area into another process 15->76 78 Sample uses process hollowing technique 15->78 80 Queues an APC in another process (thread injection) 15->80 18 explorer.exe 15->18 injected process9 signatures10 46 System process connects to network (likely due to code injection or exploit) 18->46 48 Performs DNS queries to domains with low reputation 18->48 21 rundll32.exe 18->21         started        process11 signatures12 58 Self deletion via cmd delete 21->58 60 Modifies the context of a thread in another process (thread injection) 21->60 62 Maps a DLL or memory area into another process 21->62 64 Tries to detect virtualization through RDTSC time measurements 21->64 24 explorer.exe 5 152 21->24         started        28 cmd.exe 1 21->28         started        process13 dnsIp14 40 www.cucumboy.com 37.9.175.157, 49859, 80 WEBSUPPORT-SRO-SK-ASSK Slovakia (SLOVAK Republic) 24->40 42 superfoodsnederland.com 81.169.145.156, 49833, 80 STRATOSTRATOAGDE Germany 24->42 44 19 other IPs or domains 24->44 66 System process connects to network (likely due to code injection or exploit) 24->66 30 conhost.exe 28->30         started        signatures15 process16
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/fd86ed836eaae451df45e757be525d3c9260d72e0c8af2eb85f1832a8499eac1/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-01-25 09:29:10 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=7wdo3a3ovlsfdx2f45l34us5hsjgbvzobsfpf24f6gbsvbez5laq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
081be32fe752d7e270c45f1d7a71889aa4452a590963da8dd75e3f26861ddba8
Formbook
4d905d988ba707e76ad18d72f16b931c1868e3ad4be521bf6142d6b9acf5b28f
Formbook
502303edd5a9de57b3667146e84f15fc4957242ca2ef8f75f5e503946c452ee2
Formbook
5bb063ee2622e4f4e0d61535b8ddc6acd3e5674d4ef098bb4b595f1bb61b847e
Formbook
71bad0685e5b2447a8dcdc960ee2930ad5ec4910d5d449040fb52cb9754df2a2
Formbook
73f458d7e38ab748b7b7d3b3e680db9eb08d845c1b1b7c935a6ee453d8f03358
Formbook
75e51d5e7662ad2c7ee23822ebf5246ce2d3257734ef87883f57bbcffe13c5d2
Formbook
d1a716b9f2d3c4be4527b077dd5da726ffb4008935c7223116a3aa64b4f5f8f0
Formbook
deac58296321ec67026dc3de7275137fbdf1775e28fbd9e4d3bf528be7bc95ff
Formbook
+ 13'044 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:igwa loader rat suricata
Link:
https://tria.ge/reports/220125-lfzmxadaek/
Behaviour
Enumerates system info in registry
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
25bba27f31d8b5e3a1332768f47db4f74ce9148611a3aa4c2bfe5f3c5258bb38
MD5 hash:
dad43446a578a53bc90250a656a1ee2a
SHA1 hash:
29510706a2baa37c3b578e85827a2ad1800b8932
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/4dd488f6-2c52-409c-97be-37f170945e30/
Parent samples :
d1a716b9f2d3c4be4527b077dd5da726ffb4008935c7223116a3aa64b4f5f8f0
73f458d7e38ab748b7b7d3b3e680db9eb08d845c1b1b7c935a6ee453d8f03358
3f76d69c552a61ab3d1207fb64ac3aecf812e98f99c5413a9472d59859c38077
fd86ed836eaae451df45e757be525d3c9260d72e0c8af2eb85f1832a8499eac1
2e3edcdf1ab052a2e0fbd8ffdaf213876b3571b23ff74f5e157ce24a1155be81
ea928c88deed19528dead0fc786936f6ac102f94905ce1bff6df678b7c560726
SH256 hash:
84c4f3dcd65df355ed10044404c126697b8c1e55a9b1c37e4b43b35c77ae10a1
MD5 hash:
102bdaa73ca322fbf4ceca5a598869f7
SHA1 hash:
b88c98aba6bc55637782a9e78a49ca3f32ef150c
Link:
https://www.unpac.me/results/4dd488f6-2c52-409c-97be-37f170945e30/
SH256 hash:
fd86ed836eaae451df45e757be525d3c9260d72e0c8af2eb85f1832a8499eac1
MD5 hash:
c348f7fa655d92a8af86e74aa75821e6
SHA1 hash:
3b9a060bb64b880595287fcc300d4b5513acb879
Link:
https://www.unpac.me/results/4dd488f6-2c52-409c-97be-37f170945e30/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/fd86ed836eaa/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.33
Link:
https://yomi.yoroi.company/submissions/fd86ed836eaae451df45e757be525d3c9260d72e0c8af2eb85f1832a8499eac1

File information

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

Malspam

Formbook

Executable exe fd86ed836eaae451df45e757be525d3c9260d72e0c8af2eb85f1832a8499eac1

(this sample)

  
Dropped by
Formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/222265/

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