MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4cab4abfd098f791a77bec161ec5a76ab3b1ef47dc046d9364d48b57065e15e6. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4cab4abfd098f791a77bec161ec5a76ab3b1ef47dc046d9364d48b57065e15e6
SHA3-384 hash: 8d013d4327c8e35c51e09e6196b1b04b149c917fe68a94489190b07866f9b546c21250c386b7edaa81d2d1d6b90c9480
SHA1 hash: 9ca208f1521a4084dc8a42d2d15bb7042fb4908d
MD5 hash: 58cfd059a978b791e714908c0f62f155
humanhash: eighteen-december-mirror-sink
File name:SHIPPING INVOICEpdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:855'040 bytes
First seen:2021-01-06 16:09:59 UTC
Last seen:2021-01-06 18:08:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:fGTp/nK/tomavyUW0fWaVWADzslLwg5coCgLtJ79ME:fGl/K/Gt9UAvgwg5vp
Threatray 3'316 similar samples on MalwareBazaar
TLSH D505BE21A7572B99E03CABFA59AC914163F1E44AC339EFBF7CD650DA0455F008AF1932
Reporter abuse_ch
Tags:DHL exe FormBook


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: elcon-in.com
Sending IP: 185.222.57.189
From: dhl express<Accountant@elcon-in.com>
Subject: DHL BILL OF LADING SHIPPING INVOICE DOCUMENTS
Attachment: SHIPPING INVOICEpdf.z (contains "SHIPPING INVOICEpdf.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
221
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SHIPPING INVOICEpdf.exe
Verdict:
Malicious activity
Analysis date:
2021-01-06 16:39:49 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/fbc73d42-8c54-413e-96fc-48782f57b0cc

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/110748/
Detection(s):
SecuriteInfo.com.Artemis58CFD059A978.28995.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Launching cmd.exe command interpreter
Enabling autorun by creating a file
Unauthorized injection to a system process
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/575248
Signature
.NET source code contains potential unpacker
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
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
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 336688 Sample: SHIPPING INVOICEpdf.exe Startdate: 06/01/2021 Architecture: WINDOWS Score: 100 43 www.abrapampacr.com 2->43 45 abrapampacr.com 2->45 53 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->53 55 Found malware configuration 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 11 other signatures 2->59 11 SHIPPING INVOICEpdf.exe 7 2->11         started        signatures3 process4 file5 35 C:\Users\user\AppData\Roaming\zEhXwNXWi.exe, PE32 11->35 dropped 37 C:\Users\...\zEhXwNXWi.exe:Zone.Identifier, ASCII 11->37 dropped 39 C:\Users\user\AppData\Local\...\tmp79E5.tmp, XML 11->39 dropped 41 C:\Users\user\...\SHIPPING INVOICEpdf.exe.log, ASCII 11->41 dropped 63 Injects a PE file into a foreign processes 11->63 15 SHIPPING INVOICEpdf.exe 11->15         started        18 schtasks.exe 1 11->18         started        20 SHIPPING INVOICEpdf.exe 11->20         started        signatures6 process7 signatures8 71 Modifies the context of a thread in another process (thread injection) 15->71 73 Maps a DLL or memory area into another process 15->73 75 Sample uses process hollowing technique 15->75 77 Queues an APC in another process (thread injection) 15->77 22 explorer.exe 15->22 injected 26 conhost.exe 18->26         started        process9 dnsIp10 47 kke789.com 104.194.8.194, 49746, 80 RELIABLESITEUS United States 22->47 49 amazonshopcustomer.info 34.102.136.180, 49745, 80 GOOGLEUS United States 22->49 51 5 other IPs or domains 22->51 61 System process connects to network (likely due to code injection or exploit) 22->61 28 colorcpl.exe 22->28         started        signatures11 process12 signatures13 65 Modifies the context of a thread in another process (thread injection) 28->65 67 Maps a DLL or memory area into another process 28->67 69 Tries to detect virtualization through RDTSC time measurements 28->69 31 cmd.exe 1 28->31         started        process14 process15 33 conhost.exe 31->33         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4cab4abfd098f791a77bec161ec5a76ab3b1ef47dc046d9364d48b57065e15e6/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2021-01-06 16:10:10 UTC
AV detection:
11 of 28 (39.29%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jsvuvp6qtd3zdj335qlb5rnhnkz3d32h3qcg3e3e2sfvobs6cxta._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0f72ef00ac57fe6c45d309595fd9524682e1821cb932d60f2b3e4658f763e04e
Formbook
5cf8e944ea54195e221343dec2bb3728c5faecc2b55be781b597503a7ae2fd39
Formbook
625f7252c720ee24a5c784de6b660e72acf1686931f18b6dcb68cf891201002e
Formbook
62e4849bf2b02dd9508f6db60bc9f0d0e982ddfb607b9816e4a777c8cf5542ec
Formbook
6a552b03353efc74c7871b59d8844ee8990a224de336ca893e1b74d10cd4b16b
Formbook
a2267c6724ab4e4a965938b0ee2c926ffa2df8b81ed582c1424d224f35eec2e0
Formbook
d0c990414b2cde20ae0d9626766663a2287a454121786158644123abf5870d89
Formbook
fb12f7fd941118a189b835a29b6e49bd10da3e89ba8c1953cc96e5d1a2624cde
Formbook
fddfec9969308b3c56c582a490eae81ff859a962f055bbef69447e8e50ba317c
Formbook
fec73f9e948fb30fe01a715018c44268d64baead13d519e8e0065a844584f920
Formbook
+ 3'306 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210106-qzrkmbg49e/
Behaviour
Creates scheduled task(s)
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.maggiesdelibellyllc.com/th7/
Unpacked files
SH256 hash:
4cab4abfd098f791a77bec161ec5a76ab3b1ef47dc046d9364d48b57065e15e6
MD5 hash:
58cfd059a978b791e714908c0f62f155
SHA1 hash:
9ca208f1521a4084dc8a42d2d15bb7042fb4908d
Link:
https://www.unpac.me/results/f59ee0c5-ae9f-4eca-a850-2456c59d2157/
SH256 hash:
e74026e8d077bc537a91920c65e8b0b9dedc05df905a3c4ed621268874a84c77
MD5 hash:
ebc27b161ca4ef153263b63952c8f9f8
SHA1 hash:
5393ef86f84a2fe03f450df95e1360faeee06502
Link:
https://www.unpac.me/results/f59ee0c5-ae9f-4eca-a850-2456c59d2157/
SH256 hash:
78cc69e2bac1d1082fdcd12ab9f73c8fbe177d4c77c3741a1f675afc19fde7df
MD5 hash:
0d89407b450dd157f3eac8a3a3850a07
SHA1 hash:
ae3cd291f2a022360896d4fae4f005f2b50a8364
Link:
https://www.unpac.me/results/f59ee0c5-ae9f-4eca-a850-2456c59d2157/
SH256 hash:
8c80c8066414a0ae27954340dfefdcb5edf53bf4f3e272466f9cb16a32920a32
MD5 hash:
a46ae6e73af445c85d1f7291111ba7ff
SHA1 hash:
9afff7441e4185042d19300530255694fff6e8d7
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/f59ee0c5-ae9f-4eca-a850-2456c59d2157/
Parent samples :
da2b43b42246980530438667562ee8d128b2b748e817c03519157f9ba7a67ca2
426606d359e196a3ca9c9c0c82acb7b98673090af4d846ddf4a5192b271a6569
470d8938f9eedf84f9f75a9862f09d98bd0c9d265ede33a2f0983a5c26d17a7f
f0cc41f0a0ef330ace0f27bc22fc662d9bc5ddba3955f48ba6199bab268a59da
00f87217db6ce0a8cdff2047e69f74165e70f3a3a2132d0465217bf27e557776
4cab4abfd098f791a77bec161ec5a76ab3b1ef47dc046d9364d48b57065e15e6
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/4cab4abfd098f791a77bec161ec5a76ab3b1ef47dc046d9364d48b57065e15e6

File information

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

Malspam

Formbook

z 573da45ead0311437cbb539e9a17f083c6ce62ecebcfb655006d7e052e80646d

Formbook

Executable exe 4cab4abfd098f791a77bec161ec5a76ab3b1ef47dc046d9364d48b57065e15e6

(this sample)

  
Dropped by
MD5 520b797324eb307753b3871aa4fac2d9
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 573da45ead0311437cbb539e9a17f083c6ce62ecebcfb655006d7e052e80646d
Cape
Cape
https://www.capesandbox.com/analysis/110748/

Comments