MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c5a3dbe60ff325c179eaccd5731fac2bf328022dca3c42ad847108dadf54481b. 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: 10


Intelligence 10 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c5a3dbe60ff325c179eaccd5731fac2bf328022dca3c42ad847108dadf54481b
SHA3-384 hash: 078d5f69841e2285b35c6567dac0516bdd8b252da20c7397d6c89c1ad63b243bfc25ee79e4ae29e5e2b5c220ab161e15
SHA1 hash: b211946b881d2007b655e1bd90c32ead37d502e6
MD5 hash: e512bda76827c64c60fea66c7a231b3e
humanhash: fifteen-idaho-victor-zulu
File name:New Purchase Order 501,689$.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:709'632 bytes
First seen:2020-10-13 10:38:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:PXcrPSw8RfZXJVFBMy0WF450nSppAV5Yc3KnEiHr7KgX9JE9dwUqr1aZz4Nvg:qyrF5lFpnS/A3KJr7xviqr1a
Threatray 2'429 similar samples on MalwareBazaar
TLSH 2EE4013522AF5B46E27BA3F90621800027F93E1B5022F25DEED279CF697AF404655F93
Reporter abuse_ch
Tags:exe FormBook GMX


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: mout-xforward.gmx.com
Sending IP: 82.165.159.131
From: Gabriella Danisi <GabriellaDanisingam@planetmail.com>
Subject: Re: Purchase Order Details
Attachment: New Purchase Order 501,689.rar (contains "New Purchase Order 501,689$.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
98
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/70387/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.3009.11616.14896.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a file
Launching cmd.exe command interpreter
Forced shutdown of a system process
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/489534
Signature
.NET source code contains potential unpacker
Binary contains a suspicious time stamp
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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)
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
Writes to foreign memory regions
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 297214 Sample: New Purchase Order 501,689$.exe Startdate: 13/10/2020 Architecture: WINDOWS Score: 100 32 www.paultoon.com 2->32 40 Malicious sample detected (through community Yara rule) 2->40 42 Yara detected AntiVM_3 2->42 44 Yara detected FormBook 2->44 46 4 other signatures 2->46 11 New Purchase Order 501,689$.exe 3 2->11         started        signatures3 process4 signatures5 56 Writes to foreign memory regions 11->56 58 Injects a PE file into a foreign processes 11->58 14 RegSvcs.exe 11->14         started        17 RegSvcs.exe 11->17         started        19 RegSvcs.exe 11->19         started        process6 signatures7 60 Modifies the context of a thread in another process (thread injection) 14->60 62 Maps a DLL or memory area into another process 14->62 64 Sample uses process hollowing technique 14->64 66 Queues an APC in another process (thread injection) 14->66 21 explorer.exe 14->21 injected 68 Tries to detect virtualization through RDTSC time measurements 17->68 process8 dnsIp9 34 touchtoby.xyz 93.89.226.17, 49753, 80 TR-FBSTR Turkey 21->34 36 www.wed0888.com 185.206.20.133, 49750, 80 QUICKPACKETUS United States 21->36 38 11 other IPs or domains 21->38 48 System process connects to network (likely due to code injection or exploit) 21->48 25 msiexec.exe 21->25         started        signatures10 process11 signatures12 50 Modifies the context of a thread in another process (thread injection) 25->50 52 Maps a DLL or memory area into another process 25->52 54 Tries to detect virtualization through RDTSC time measurements 25->54 28 cmd.exe 1 25->28         started        process13 process14 30 conhost.exe 28->30         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c5a3dbe60ff325c179eaccd5731fac2bf328022dca3c42ad847108dadf54481b/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-10-13 03:42:10 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ywr5xzqp6ms4c6pkztkxgh5mfpzsqarnzi6eflmeoeenvx2ujanq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
00c31ece69362a5cccc665bc1d57b48240d5bf53cbb159cb72b26454849e798e
Formbook
1277fb7fda4e11d5c61a6c07df4af7712070f01e002d54683c879c23e739519f
Formbook
215d70c6d51b2b66a89f0c3a6ea7f5ccf2801b57dd1709b2ff935b518ce40ca2
Formbook
2f643214a404b795accc39e864fa47ec2894ba8d87b85f28d4521a7520bf0888
Formbook
7743197c71f1c9ae348ca9d594840701835941008ea784deef3eec32b3bc734b
Formbook
7d7edb74ec4a4b30b75d0337169be83d230a384ba2bb9597c626aaeadbef8048
Formbook
88d485f91575565bbb932071c23911a6899478490ab2b729bc96bbd19327b2c0
Formbook
914b9ec48f15df901f689ee02624b6b164a57ee6dc6383f7770e432f92faa337
Formbook
9528c2cff0a659892959e295c2a7e9661a9dcee51bc2e3015e73b4d25b37f135
Formbook
9c8e3d4b3014cedaf81092ca9e167bd16ae98e2905e3a7e0ae154b26c387de14
Formbook
+ 2'419 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
rat trojan spyware stealer family:formbook
Link:
https://tria.ge/reports/201013-xsalrzpp8x/
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 SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.touchtoby.xyz/eao/
Unpacked files
SH256 hash:
c5a3dbe60ff325c179eaccd5731fac2bf328022dca3c42ad847108dadf54481b
MD5 hash:
e512bda76827c64c60fea66c7a231b3e
SHA1 hash:
b211946b881d2007b655e1bd90c32ead37d502e6
Link:
https://www.unpac.me/results/d7c368db-5bf3-4f6d-b6f6-1411bc9a3031/
SH256 hash:
9ccc8c3551d1f72b471179518b78253a15e671632d163dbe83a2b1c305215176
MD5 hash:
b98d779193fdc0181efb091b536790c1
SHA1 hash:
5f252e0cf3f7ae4286624c27721dbfaed16db675
Link:
https://www.unpac.me/results/d7c368db-5bf3-4f6d-b6f6-1411bc9a3031/
SH256 hash:
607f04646c9f16f7c23fa69d4b8f660fc7c44d40e4f73a0c70a2b315debdaa8b
MD5 hash:
a90baadadf904455325f7bc787185c7b
SHA1 hash:
7d833bb819d638008c98be469b05db2feaf201cd
Link:
https://www.unpac.me/results/d7c368db-5bf3-4f6d-b6f6-1411bc9a3031/
SH256 hash:
efd0f2abc20fb62394f63208f97c501d0feb625b3e69fa6e177d9dd0d3c7a4c8
MD5 hash:
0ce63e59a69c42e59a610c2d774f852e
SHA1 hash:
0f001b240d96471f0ccac3ce1369122476370163
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/d7c368db-5bf3-4f6d-b6f6-1411bc9a3031/
Parent samples :
9528c2cff0a659892959e295c2a7e9661a9dcee51bc2e3015e73b4d25b37f135
215d70c6d51b2b66a89f0c3a6ea7f5ccf2801b57dd1709b2ff935b518ce40ca2
7743197c71f1c9ae348ca9d594840701835941008ea784deef3eec32b3bc734b
c5a3dbe60ff325c179eaccd5731fac2bf328022dca3c42ad847108dadf54481b
557e3c6a577287caee9f2224e8ef8455d4501f7d99c4ae818dd4d8aa268ed495
da625c254e8607b0fdcde2ec95e4ecfd1822cfe736d3d9d48c5795e928fb6b7f
27c9bdfa6cc8c9343b507ee1df148482028afcabda152e356feabd28ecd67eb5
31a90420f266f02ae50a6a3603ea81461fa26baae094e00448aadc569c8f7dad
21ac6b3466ff131a75cea134baddd37412fa73bb5b8697aad76a719346a14648
95cf775c4ff8b1fbaa88f99cf6148cfae8116b5258169dc1bf0dbae42a60f1f1
1aa1c6c264025cc567e70f6ca867a0c6618bd2eb2ec3312730c68a41c0d7e076
a5101910da7817c72ebc45da2ee45900f306a86edc039c9072f6c1e890da6628
d5600a0e6b9fcb8482f7ebd1fedf3f814fbabbbec89773ad612da18385fb5a3b
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/c5a3dbe60ff325c179eaccd5731fac2bf328022dca3c42ad847108dadf54481b

File information

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

Malspam

Formbook

rar 2e5b5f2b76e4517a13a454f8c27bfc08854fc49ce836693902c20b8c1d173498

Formbook

Executable exe c5a3dbe60ff325c179eaccd5731fac2bf328022dca3c42ad847108dadf54481b

(this sample)

  
Dropped by
MD5 b6db01a7df5959892721a01ff6639eec
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/70387/
  
Dropped by
SHA256 2e5b5f2b76e4517a13a454f8c27bfc08854fc49ce836693902c20b8c1d173498

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