MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 657bd12172568c696ae02af0948808a0f9ab30d77ed199abd0f3bdf08f5d0513. 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 5 File information Comments
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SHA256 hash: 657bd12172568c696ae02af0948808a0f9ab30d77ed199abd0f3bdf08f5d0513
SHA3-384 hash: 8d40918e5c8e51c118144d54e5c2de8bd230a79900aeb62749b2763b058de1ffaaf10c1352a022b191d6ac90f170a13e
SHA1 hash: d65e76d0c79ac6270d3136af438bc36a69c7efc2
MD5 hash: 53ab34043d225c7fca168ad1a7df31a8
humanhash: dakota-two-cola-oxygen
File name:Shipping Documents.exe
Download: download sample
Signature Formbook
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File size:1'347'584 bytes
First seen:2021-08-02 05:35:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:Hg4fV76DOqfx8Dgyfx8Dg7qWpA2jPjvVpVbErWG1mwDZffL:pV76b58Dgy58Dg71A2jPjtrbtG7ZX
Threatray 6'489 similar samples on MalwareBazaar
TLSH T1E555D09E3840DABBD65D27B55518D89042B9A804C227FBEF7E6231B233E1A794F14CF1
dhash icon b271e8e4d4ccf070 (22 x AgentTesla, 14 x Formbook, 11 x SnakeKeylogger)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
820
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Shipping Documents.exe
Verdict:
Malicious activity
Analysis date:
2021-08-02 05:48:02 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/05b885e5-e750-42ae-bc71-630c1e6a80b3

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/175677/
Detection(s):
SecuriteInfo.com.W32.MSIL_Kryptik.DLO.genEldorado.6045.536.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
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/e55642a4-c1d4-4d41-b59f-faf8a5e5aac6
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/825255
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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 submitted file
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 signatures2 2 Behavior Graph ID: 457670 Sample: Shipping Documents.exe Startdate: 02/08/2021 Architecture: WINDOWS Score: 100 37 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->37 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 7 other signatures 2->43 10 Shipping Documents.exe 3 2->10         started        process3 file4 27 C:\Users\user\...\Shipping Documents.exe.log, ASCII 10->27 dropped 13 Shipping Documents.exe 10->13         started        process5 signatures6 51 Modifies the context of a thread in another process (thread injection) 13->51 53 Maps a DLL or memory area into another process 13->53 55 Sample uses process hollowing technique 13->55 57 Queues an APC in another process (thread injection) 13->57 16 explorer.exe 13->16 injected process7 dnsIp8 29 komsah.com 103.97.141.221, 49775, 80 IDNIC-PTAMI-AS-IDPTApikMediaInovasiID Indonesia 16->29 31 www.hopematthewsrealtor.com 52.71.133.130, 49772, 80 AMAZON-AESUS United States 16->31 33 www.komsah.com 16->33 35 System process connects to network (likely due to code injection or exploit) 16->35 20 wscript.exe 16->20         started        signatures9 process10 signatures11 45 Modifies the context of a thread in another process (thread injection) 20->45 47 Maps a DLL or memory area into another process 20->47 49 Tries to detect virtualization through RDTSC time measurements 20->49 23 cmd.exe 1 20->23         started        process12 process13 25 conhost.exe 23->25         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/657bd12172568c696ae02af0948808a0f9ab30d77ed199abd0f3bdf08f5d0513/
Threat name:
ByteCode-MSIL.Spyware.Noon
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Status:
Malicious
First seen:
2021-08-02 01:11:11 UTC
AV detection:
16 of 46 (34.78%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mv55cilsk2ggs2xaflyjjcaiud42wmgxp3iztk6q6o67bd25aujq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
25839ba93d33dda960d99110ae98f42e89056233264f11d18b65727a79e4bd62
Formbook
5fc1f737492b4a7e01b1e2befa4e25b1a65c7a6a83b4ec419660d0c3c4894300
Formbook
66e06710b095c687448e0b08240a99f84dfbfc24882a2c8c9f5b165f58469d8f
Formbook
7c6393b4e86ea5cec49c0f814b17e4bb85aa447c19896037252a94ff6416ce1b
Formbook
83fed765d229173fedc6811b521cebdfcec3342713679a57d49188ba554c00fb
Formbook
851ee4f67cc28e3634b0062d77f62222d026c4e9674a894bcdd5b6c6e6bda376
Formbook
ac569d0ffa88503800f67906ffba34f7824578a486bc5b5a6538ab25126c4875
Formbook
d38491c76eda29b3135557f28eb4e2fa15ee55d54c15452f9221e82a5b489c5e
Formbook
e6a0f307c9bec6b31f0002726d75ae3d5ced8ffe3b6fce869fe12b8061f642d8
Formbook
+ 6'479 additional samples on MalwareBazaar
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/210802-1waamsb56n/
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 UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.shopjempress.com/amb6/
Unpacked files
SH256 hash:
71f132c314667ef1930a682f9a1211bd0cda9945f1abf9b596131c16d4e53f64
MD5 hash:
f21a7361b83c0e53c319d664dcc2d117
SHA1 hash:
7ace32622b3f693f294df7391fdd6af7a77bdda4
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/11a031d2-5a10-4e80-bdac-92ae7d10fc93/
Parent samples :
ac569d0ffa88503800f67906ffba34f7824578a486bc5b5a6538ab25126c4875
a65412a0b9de3677e7620b1fa5c115211fa9e6425584adc24985f89e8a234785
657bd12172568c696ae02af0948808a0f9ab30d77ed199abd0f3bdf08f5d0513
065252f5ed5475c89d2bff7389554a4695a85900a7a75eb98170c6a372b33ea0
4cc3c108df5e861d0fb0dcc7f4bcf8c7d717636204f5e0d242a316ce9475bf4a
SH256 hash:
cfef97ff706312dff4edd998aeee22f1283221631ebb0cc954bebbb701c1465c
MD5 hash:
a0f625a3d3348903f3c902f588c0e4f5
SHA1 hash:
20d1f0b74abe6f500e8c21119f55281926210ac0
Link:
https://www.unpac.me/results/11a031d2-5a10-4e80-bdac-92ae7d10fc93/
SH256 hash:
8c30f409c4cd0f6024943404d4f6bf5b7fabc32a470fdfd4e4c02ba086222674
MD5 hash:
05dc4324878a8973200fabc48ace5557
SHA1 hash:
05fb7e71e123b6d1b0054d5ec8364571903626ab
Link:
https://www.unpac.me/results/11a031d2-5a10-4e80-bdac-92ae7d10fc93/
SH256 hash:
657bd12172568c696ae02af0948808a0f9ab30d77ed199abd0f3bdf08f5d0513
MD5 hash:
53ab34043d225c7fca168ad1a7df31a8
SHA1 hash:
d65e76d0c79ac6270d3136af438bc36a69c7efc2
Link:
https://www.unpac.me/results/11a031d2-5a10-4e80-bdac-92ae7d10fc93/
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/657bd12172568c696ae02af0948808a0f9ab30d77ed199abd0f3bdf08f5d0513

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
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
Create hunting rule
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 657bd12172568c696ae02af0948808a0f9ab30d77ed199abd0f3bdf08f5d0513

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/175677/

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