MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 caae4001f524c83a5c3c3b7f7a56d3344d9de742eadbfc54bf3e7fda14354392. 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: 9


Intelligence 9 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: caae4001f524c83a5c3c3b7f7a56d3344d9de742eadbfc54bf3e7fda14354392
SHA3-384 hash: 8a4c1b6ffdf8e2a22943faf852f2b52e20ede208c0eb44970270e35a96e5b92cbc5fdde57239e8fd5128f732c9a7301c
SHA1 hash: bf6ebacce4db1d624c19d8ae8b49776259be1b47
MD5 hash: 0722600c8d39691ea633194c3cb38e67
humanhash: apart-violet-vermont-steak
File name:Shipment Approval.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:901'632 bytes
First seen:2020-11-05 09:13:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:KMsvTHvZ50yOu00hJc+QitprrTZ78+Thsf:MrHvXK0hJBQ0VR75w
Threatray 2'863 similar samples on MalwareBazaar
TLSH 6915AFFAA282EA6AC80F043FF44B256193D9DF1E99FC504653C5F119137C6CE66AC48B
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: madengine.com
Sending IP: 103.141.138.124
From: Muhammad Billal Hossain <billal@madengine.com>
Subject: RE: SHIPMENT BOOKING
Attachment: Shipment Approval.r03 (contains "Shipment Approval.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
88
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/83132/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file
Launching cmd.exe command interpreter
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/521126
Signature
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
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
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 309661 Sample: Shipment Approval.exe Startdate: 05/11/2020 Architecture: WINDOWS Score: 100 36 www.kennethjtackett.com 2->36 40 Malicious sample detected (through community Yara rule) 2->40 42 Multi AV Scanner detection for submitted file 2->42 44 Yara detected AntiVM_3 2->44 46 4 other signatures 2->46 11 Shipment Approval.exe 3 2->11         started        signatures3 process4 file5 28 C:\Users\user\...\Shipment Approval.exe.log, ASCII 11->28 dropped 14 RegSvcs.exe 11->14         started        process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 14->54 56 Maps a DLL or memory area into another process 14->56 58 Sample uses process hollowing technique 14->58 60 2 other signatures 14->60 17 explorer.exe 14->17 injected process8 dnsIp9 30 worldstream.online 156.67.213.64, 49740, 80 AS-HOSTINGERLT Cyprus 17->30 32 www.worldstream.online 17->32 34 2 other IPs or domains 17->34 38 System process connects to network (likely due to code injection or exploit) 17->38 21 wlanext.exe 17->21         started        signatures10 process11 signatures12 48 Modifies the context of a thread in another process (thread injection) 21->48 50 Maps a DLL or memory area into another process 21->50 52 Tries to detect virtualization through RDTSC time measurements 21->52 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/caae4001f524c83a5c3c3b7f7a56d3344d9de742eadbfc54bf3e7fda14354392/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2020-11-05 04:32:20 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zkxeaapveteduxb4hn7xuvwtgrgz3z2c5ln7yvf7hz75ufbvioja._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
020f6782cf76a5a4f0fc561da8c503892094137b8e5df112005a31885cdc89ef
Formbook
1fc8a3262a1c12fd2ec5ffded3e5b8f83a14ebcbb1313e73900534ae42cc1ef8
Formbook
3afb9252d528d667bbdf62a3e7a235615ad0814911ca4690505822cbda24c380
Formbook
5007dc70fdff0e6a544f49c91da3ce378772cb397cdbb0bb3af33f4acb714add
Formbook
93a0f97c3198a1ba4fafeb2c5fd7bd44f425cc5c9ad126880128d1ec22cc22ec
Formbook
967b55e37db72cbc0f7744c0d09f655b1bd9692a75931ba6879130a2c31c41f5
Formbook
9b9d8f51a8cf586b0380629f644676e0dce350466b06224523e01db393522339
Formbook
be72c8c90c28b859a4b8af90ba67adab143cd9c97e28d8c1b1ab7d93e01e48a8
Formbook
c611c4446e4604531e8e096508422fd01b23d26c424f9625d049e7edaf4f566a
Formbook
e50ecaa156dcdcfd9144e660470385da6d44e5b1734fd44415cea067fd8b4417
Formbook
+ 2'853 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/201105-cl5bh7km96/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of UnmapMainImage
Modifies service
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.premium-vitality.com/nko/
Unpacked files
SH256 hash:
caae4001f524c83a5c3c3b7f7a56d3344d9de742eadbfc54bf3e7fda14354392
MD5 hash:
0722600c8d39691ea633194c3cb38e67
SHA1 hash:
bf6ebacce4db1d624c19d8ae8b49776259be1b47
Link:
https://www.unpac.me/results/caebba02-1c04-4182-99e3-7692e2fbe283/
SH256 hash:
31ce938626ccfb399fe1696710caf46d7ae9eb598b9d7d2aad719b594658469b
MD5 hash:
0aebe46040ceb011e78506d4985fe3de
SHA1 hash:
218ac1e7b14a66c604ec3042f8486bed9cd4c2c1
Link:
https://www.unpac.me/results/caebba02-1c04-4182-99e3-7692e2fbe283/
SH256 hash:
5c09e7a6769060ea15fb11954c775cf190561d4e2021442e42553276d980c084
MD5 hash:
fe8204249f03667c28a1cb7a300f892a
SHA1 hash:
7e1979e7cab51ae6260c79b21b38d0431b785fbf
Link:
https://www.unpac.me/results/caebba02-1c04-4182-99e3-7692e2fbe283/
SH256 hash:
f5ef937687151af5127054455ff8ddeedba52a73b0da68008f8d2eaa2ba21ee4
MD5 hash:
77b5122a7d7f2d81efc2818c1e089ee2
SHA1 hash:
af448725effefb8ab50cba5fc3775e11effd8569
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/caebba02-1c04-4182-99e3-7692e2fbe283/
Parent samples :
5007dc70fdff0e6a544f49c91da3ce378772cb397cdbb0bb3af33f4acb714add
967b55e37db72cbc0f7744c0d09f655b1bd9692a75931ba6879130a2c31c41f5
e50ecaa156dcdcfd9144e660470385da6d44e5b1734fd44415cea067fd8b4417
798fa0661cf2b36f6d0a4442ad217f36549a3398b7c7a885c683de0b8899b237
020f6782cf76a5a4f0fc561da8c503892094137b8e5df112005a31885cdc89ef
caae4001f524c83a5c3c3b7f7a56d3344d9de742eadbfc54bf3e7fda14354392
f50e15e064da178ab886f00bed99a6a96ae3574e5cdd70a08991788818038d11
Please note that we are no longer able to provide a coverage score for Virus Total.

File information

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

Malspam

Formbook

r03 891decb763d0d03a7a486e0c8dccc1323b00153dc4b3df1e8172cc1f3c298844

Formbook

Executable exe caae4001f524c83a5c3c3b7f7a56d3344d9de742eadbfc54bf3e7fda14354392

(this sample)

  
Dropped by
MD5 9fd14e9c12ef9fbea44e175a6418fb64
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/83132/
  
Dropped by
SHA256 891decb763d0d03a7a486e0c8dccc1323b00153dc4b3df1e8172cc1f3c298844

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