MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d17dc5760a94c6a8d85b462dfe3cfdf40917e670513dadd5fd5eeaa9941106af. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments
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SHA256 hash: d17dc5760a94c6a8d85b462dfe3cfdf40917e670513dadd5fd5eeaa9941106af
SHA3-384 hash: 109ccdd37f20850b5a9d775f4aacab2a4790258597b9bb88c99ff0e2ae43e52927a905185ccba24b5f1551d85de9ca5d
SHA1 hash: b4193534f86bfd3e1a46530b3b129249eb463495
MD5 hash: a8e3b5b211ec454517c8d8fc7b0739e4
humanhash: violet-cat-nineteen-social
File name:REQUEST FOR QUOTATION (2).exe
Download: download sample
Signature Formbook
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File size:496'640 bytes
First seen:2021-10-18 12:48:53 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'614 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:ic5qnIgx6xXb6O9O+9kwLuHBPNTTPNl7qpNVDD4jzhA9lJpUxvAxfkIYV:iDzwJWOhRkBVXNhq7NDW4pUxIcV
Threatray 10'586 similar samples on MalwareBazaar
TLSH T182B41245F744861BCE2907B060B39AB80376BC797EB0DB9E5ED930B90F737820926567
File icon (PE):PE icon
dhash icon 21070d0101050103 (1 x Formbook)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
167
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/198205/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.17696.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/616d6d469a5a1e91c5c3d281/reports/520b1922-9f26-4e74-968b-8fff6f65f0f2/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/0131b9a3-6a5e-419f-8098-d664ece11059
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/872312
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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
Self deletion via cmd delete
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 504740 Sample: REQUEST FOR QUOTATION (2).exe Startdate: 18/10/2021 Architecture: WINDOWS Score: 100 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 Multi AV Scanner detection for dropped file 2->48 50 11 other signatures 2->50 9 REQUEST FOR QUOTATION (2).exe 7 2->9         started        process3 file4 30 C:\Users\user\AppData\Roaming\uAWjkCh.exe, PE32 9->30 dropped 32 C:\Users\user\...\uAWjkCh.exe:Zone.Identifier, ASCII 9->32 dropped 34 C:\Users\user\AppData\Local\...\tmp384B.tmp, XML 9->34 dropped 36 C:\...\REQUEST FOR QUOTATION (2).exe.log, ASCII 9->36 dropped 64 Injects a PE file into a foreign processes 9->64 13 REQUEST FOR QUOTATION (2).exe 9->13         started        16 schtasks.exe 1 9->16         started        signatures5 process6 signatures7 66 Modifies the context of a thread in another process (thread injection) 13->66 68 Maps a DLL or memory area into another process 13->68 70 Sample uses process hollowing technique 13->70 72 Queues an APC in another process (thread injection) 13->72 18 raserver.exe 13->18         started        21 explorer.exe 13->21 injected 24 conhost.exe 16->24         started        process8 dnsIp9 52 Self deletion via cmd delete 18->52 54 Modifies the context of a thread in another process (thread injection) 18->54 56 Maps a DLL or memory area into another process 18->56 58 Tries to detect virtualization through RDTSC time measurements 18->58 26 cmd.exe 1 18->26         started        38 www.deadlyartzjv.xyz 21->38 40 www.chamonix-cars.club 21->40 42 webredir.vip.gandi.net 217.70.184.50, 49799, 80 GANDI-ASDomainnameregistrar-httpwwwgandinetFR France 21->42 60 System process connects to network (likely due to code injection or exploit) 21->60 62 Performs DNS queries to domains with low reputation 21->62 signatures10 process11 process12 28 conhost.exe 26->28         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/d17dc5760a94c6a8d85b462dfe3cfdf40917e670513dadd5fd5eeaa9941106af/
Threat name:
ByteCode-MSIL.Trojan.AgenteslaPacker
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Status:
Malicious
First seen:
2021-10-18 10:12:13 UTC
AV detection:
17 of 27 (62.96%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=2f64k5qkstdkrwc3iyw74ph56qerpztqke623vp5l3vktfara2xq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
043b45f9d94820186d7324c5f6e0fd7661de15ad29104fd43294e2f3839efa06
Formbook
38c29f9b66d8b8d0b605a7d6fe3e885dc9f3e4e22ca226c83cddb3004332bf2a
Formbook
4c5887639c1dfcc0349690d98e9c8034029a6fa2f2e6bdbba96371bf23ce3301
Formbook
55ed65b48cb66c266459b4bbe35faecbc6c7737a1d89d9df884152c292b4b762
Formbook
5cbb6ffeafe0a54df3243d3c730168b51e8cf6750cf9355b164c2dd554af609e
Formbook
76cd5f994be53f3f24e2b2018263b9ab582e84870ee8d24f38c6d11adae3688c
Formbook
807ddfd4b164d8e8bb8e0fdc0976db33ae55b021aa7917848a35963c6a4846aa
Formbook
aea2232a122d01c07c5d7e6a10ceef2d2ffa58c10812f95f965f17aa78e82efa
Formbook
b66060a214c372ff66b8917fee39b5cb6c82972cf7cdfcd64b9ae4b7b7e01bf7
Formbook
+ 10'576 additional samples on MalwareBazaar
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:cb2k rat spyware stealer trojan
Link:
https://tria.ge/reports/211018-p2dt4sdeh6/
Behaviour
Creates scheduled task(s)
Gathers network information
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
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.freegovphoneservice.com/cb2k/
Unpacked files
SH256 hash:
54b147c8a3e43303b25af1475549fdb5a1bba57835dbca9065cafffba2fe4b12
MD5 hash:
69f705df10c6a3c04a643b2143fb7e0e
SHA1 hash:
b19cd2c532773cbc1de484c4f36c0894e2906b19
Detections:
win_formbook_g0
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win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/2fd78442-d9e3-422f-a489-65495c9d39db/
Parent samples :
d17dc5760a94c6a8d85b462dfe3cfdf40917e670513dadd5fd5eeaa9941106af
f358d592a02990a899bc4ca7c35804529237cbffac5dcabb3e7e3916a79afbb4
SH256 hash:
7b4ba24781e21b310e2749bc2f7a80b9670a4198a54d26e42079a6a1c1be6ae7
MD5 hash:
7b77d210bf6b00fd8ee8187198852052
SHA1 hash:
7f78d6294a269349fc9a49ad3c8ccb3c3d2665b4
Link:
https://www.unpac.me/results/2fd78442-d9e3-422f-a489-65495c9d39db/
SH256 hash:
5a724d71ae961c3f387e3a8b74a27c2635917a2ac439c459ba1fe5ce9a9738f1
MD5 hash:
01479eb7621f2f4240692e1d8e8db391
SHA1 hash:
4506bd473675af89f569f39db340112d59a50cc0
Link:
https://www.unpac.me/results/2fd78442-d9e3-422f-a489-65495c9d39db/
SH256 hash:
d17dc5760a94c6a8d85b462dfe3cfdf40917e670513dadd5fd5eeaa9941106af
MD5 hash:
a8e3b5b211ec454517c8d8fc7b0739e4
SHA1 hash:
b4193534f86bfd3e1a46530b3b129249eb463495
Link:
https://www.unpac.me/results/2fd78442-d9e3-422f-a489-65495c9d39db/
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/d17dc5760a94c6a8d85b462dfe3cfdf40917e670513dadd5fd5eeaa9941106af

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:pe_imphash
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Rule name:pe_imphash
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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 d17dc5760a94c6a8d85b462dfe3cfdf40917e670513dadd5fd5eeaa9941106af

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/198205/

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