MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4636055b5170ddb11d94a466c0c93e57ad40caf68a036274bdf2ded620a22bce. 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: 4636055b5170ddb11d94a466c0c93e57ad40caf68a036274bdf2ded620a22bce
SHA3-384 hash: a081e5ac99436a0322375bee0f7f6061a659537e1f660f08699e1a7732ed40445c6c8453b9695179b9e8edd619432aa9
SHA1 hash: b6a127c31b3657513919d83a11a26fcb107634e7
MD5 hash: 27fe9f83394672568c2277f40bc949a7
humanhash: india-comet-foxtrot-cardinal
File name:Remittance Scan DOC-2029293#PI207-048.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:742'912 bytes
First seen:2020-10-19 06:29:53 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:X85NFnI7qMNKZYtIxwQKLTPrv4+MwMh1E451aoHLD2N/jjp7PYcbY+kMexoLcxq5:XiFnI7vKNxwQ4PXY1E6gtPDcFPIqWN
Threatray 2'520 similar samples on MalwareBazaar
TLSH 25F49E1516851F58F07DA7729260049083F6BD03CB69C90FBDD93ADD2E32F82C767A9A
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: geodis.com
Sending IP: 83.149.106.6
From: Nemanja Mijatovic <nemanja.mijatovic@geodis.com>
Subject: RE: Transfer Remittance (PI207-048)
Attachment: Remittance Scan DOC-2029293PI207-048.gz (contains "Remittance Scan DOC-2029293#PI207-048.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
80
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/72723/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Using the Windows Management Instrumentation requests
Creating a file
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/494865
Signature
.NET source code contains potential unpacker
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
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 signatures2 2 Behavior Graph ID: 299887 Sample: Remittance Scan DOC-2029293... Startdate: 19/10/2020 Architecture: WINDOWS Score: 100 36 Malicious sample detected (through community Yara rule) 2->36 38 Multi AV Scanner detection for submitted file 2->38 40 Yara detected AntiVM_3 2->40 42 6 other signatures 2->42 10 Remittance Scan DOC-2029293#PI207-048.exe 3 2->10         started        process3 file4 28 Remittance Scan DO...3#PI207-048.exe.log, ASCII 10->28 dropped 52 Injects a PE file into a foreign processes 10->52 14 Remittance Scan DOC-2029293#PI207-048.exe 10->14         started        signatures5 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 Queues an APC in another process (thread injection) 14->60 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.thaliasoap.com 119.28.6.251, 49762, 80 TENCENT-NET-AP-CNTencentBuildingKejizhongyiAvenueCN China 17->30 32 jejupassive.com 202.31.187.154, 49761, 80 INAMES-AS-KRINAMESKR Korea Republic of 17->32 34 5 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 raserver.exe 17->21         started        signatures10 process11 signatures12 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48 50 Tries to detect virtualization through RDTSC time measurements 21->50 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4636055b5170ddb11d94a466c0c93e57ad40caf68a036274bdf2ded620a22bce/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-10-18 23:50:05 UTC
AV detection:
20 of 29 (68.97%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=iy3akw2rodo3chmuurtmbsj6k6wubsxwribwe5f56lpnmifcfpha._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
6841a00603c067163259e142990659c0217ded69e2895d187fa65f9439034c7f
Formbook
6bb732e1c22295b2fa6970a286225d14bd7c6fabef714f9b20c3a622bb8e7645
Formbook
767fc756f86db0b4de57b4ec14964f24af0e47eb23ba7fa1df6378bcf9986947
Formbook
77e828d113038623ccfca7e111b60675fd36ea404545f8ce828d7f8505244f0d
Formbook
805a071c8e38fca4e3602881ff33ac7a2afba65bb61cd7adda873950bf2779cb
Formbook
8df5752017d7f083ddad62b8423ea7109c830dbcdca3fff0ee7aee8d149fdeda
Formbook
9abd8b37403ea5e7b381e0644acc6655dc01efc4be1edf69992c5a68c33eff1f
Formbook
bdad93534a202f7d3c2f102dc39093fa12a32f5de82c76a5fb41a94e1748d99e
Formbook
d325c45529e7211242f65cabe3549dd635a23fc43b48c2b2a64ccff8d54c1ee2
Formbook
fc6c24e17bd06e27dcc1ac019e4080d4a1a2f10459f74c17b9bb19fb8ba6e442
Formbook
+ 2'510 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
rat evasion trojan spyware stealer family:formbook
Link:
https://tria.ge/reports/201019-fy1ry6jejs/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Deletes itself
Looks for VMWare Tools registry key
Formbook Payload
Looks for VirtualBox Guest Additions in registry
Formbook
Malware Config
C2 Extraction:
http://www.stocksmusic.com/svh9/
Unpacked files
SH256 hash:
4636055b5170ddb11d94a466c0c93e57ad40caf68a036274bdf2ded620a22bce
MD5 hash:
27fe9f83394672568c2277f40bc949a7
SHA1 hash:
b6a127c31b3657513919d83a11a26fcb107634e7
Link:
https://www.unpac.me/results/395a039e-339d-4f61-b44b-9ec70b1d5ebf/
SH256 hash:
785b77ad3e5e09bdfe734a33090122a2857287cb8b674ddd3b592ac8b3c0ae30
MD5 hash:
72a17817a52346b6482319cb6d0f424f
SHA1 hash:
006ee9799d35709b9bffcf4a7bf34c3985c2c2fd
Link:
https://www.unpac.me/results/395a039e-339d-4f61-b44b-9ec70b1d5ebf/
SH256 hash:
1a039c84f9bb85cab8816026bc1c2e43de23a15e15d7ee6cf1e20c16d0bd213b
MD5 hash:
b617d7efae8737f906a8e7a8ef6a05cd
SHA1 hash:
14aeeeccbc9ff20a76fa2451c21f36cfb1ba03fb
Link:
https://www.unpac.me/results/395a039e-339d-4f61-b44b-9ec70b1d5ebf/
SH256 hash:
bac5797bde4b2810766a40d95bcdb825ac5b395fcbadd139daa19a44a6cdc049
MD5 hash:
a92cc1f6e0a2742350dfda6726db14c0
SHA1 hash:
e5404e3ed46498deb8ad8966a774540c2b8e9c1e
Link:
https://www.unpac.me/results/395a039e-339d-4f61-b44b-9ec70b1d5ebf/
SH256 hash:
6f94293ee4fd232ab9a718524dafc6068c8e143682998d2c5b819f4781755c44
MD5 hash:
b8952fb67027e5ed046bb67b33bb5101
SHA1 hash:
36d4732fbbb20f6421c8abc627ed55bbdc1e3fde
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/395a039e-339d-4f61-b44b-9ec70b1d5ebf/
Parent samples :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 note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/4636055b5170ddb11d94a466c0c93e57ad40caf68a036274bdf2ded620a22bce

File information

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

Malspam

Formbook

gz 1ff844f0e99fd7407c1a1e50f37b81384a77994afe372cffd701c6511c1151af

Formbook

Executable exe 4636055b5170ddb11d94a466c0c93e57ad40caf68a036274bdf2ded620a22bce

(this sample)

  
Dropped by
MD5 df72169511b0f4ffdd8569958e958e20
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 1ff844f0e99fd7407c1a1e50f37b81384a77994afe372cffd701c6511c1151af
Cape
Cape
https://www.capesandbox.com/analysis/72723/

Comments