MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 881100c6150cdd242daa1eddaf33aaa6069cf22fa401d02a51f5994be17c49c3. 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: 15


Intelligence 15 IOCs YARA 3 File information Comments
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SHA256 hash: 881100c6150cdd242daa1eddaf33aaa6069cf22fa401d02a51f5994be17c49c3
SHA3-384 hash: e7b44e7c4293647ecf45af14cd487664da347450ded039a691e883acd276b3e8060e800a8748962591f0207a9f35dcf6
SHA1 hash: f166d6adfd2c7e369948252546d2113a7ee07224
MD5 hash: 25f5c52cdda04e1e029d2326e29ca8d5
humanhash: salami-steak-blue-idaho
File name:New Offer to Thalassa Imports nv-sa._200317.xlsx.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:611'840 bytes
First seen:2021-11-02 08:04:02 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'750 x AgentTesla, 19'656 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 6144:0UvIl1zgaXTuoDj87dSS0ReAaCf7Wd2NMV0w4InaRegnNg/llfjlj20dJ1rd:EXTlJS0gWat4IaRewNsjp24B
Threatray 11'109 similar samples on MalwareBazaar
TLSH T18FD47D83B54C8151E4777B78A37DD81003632D9FAA24D5CC2B1CFDB7A6B2A831E1D94A
File icon (PE):PE icon
dhash icon 00e0d8d8c4c6e0e8 (1 x Formbook, 1 x AveMariaRAT)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
97
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
New Offer to Thalassa Imports nv-sa._200317.xlsx.exe
Verdict:
Malicious activity
Analysis date:
2021-11-02 08:07:49 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/1a74a0da-f44a-4e8f-aa6b-5893591f934f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/201350/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.47300229.15364.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/6180f0f7bf51178dbe480eb7/reports/89453e6e-355e-4d5c-9f40-c3d4c6b9af0c/overview
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/099b3e34-01c1-4859-8539-52b0f992e86a
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/881052
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Sigma detected: CMSTP Execution Process Creation
Sigma detected: Suspicious Double Extension
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 AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 513486 Sample: New Offer to Thalassa Impor... Startdate: 02/11/2021 Architecture: WINDOWS Score: 100 31 www.deals4me.store 2->31 33 custom-proxy.leadpages.net 2->33 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus detection for URL or domain 2->45 47 9 other signatures 2->47 11 New Offer to Thalassa Imports nv-sa._200317.xlsx.exe 3 2->11         started        signatures3 process4 file5 29 New Offer to Thala...200317.xlsx.exe.log, ASCII 11->29 dropped 61 Injects a PE file into a foreign processes 11->61 15 New Offer to Thalassa Imports nv-sa._200317.xlsx.exe 11->15         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 15->63 65 Maps a DLL or memory area into another process 15->65 67 Sample uses process hollowing technique 15->67 69 Queues an APC in another process (thread injection) 15->69 18 explorer.exe 15->18 injected process9 dnsIp10 35 silvanaribeirocake.com 185.225.208.56, 49827, 80 UK2NET-ASGB Germany 18->35 37 www.tefatistmus.quest 37.123.118.150, 49830, 80 UK2NET-ASGB United Kingdom 18->37 39 10 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 51 Performs DNS queries to domains with low reputation 18->51 22 cmstp.exe 18->22         started        signatures11 process12 signatures13 53 Self deletion via cmd delete 22->53 55 Modifies the context of a thread in another process (thread injection) 22->55 57 Maps a DLL or memory area into another process 22->57 59 Tries to detect virtualization through RDTSC time measurements 22->59 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/881100c6150cdd242daa1eddaf33aaa6069cf22fa401d02a51f5994be17c49c3/
Threat name:
ByteCode-MSIL.Spyware.Noon
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Status:
Malicious
First seen:
2021-11-02 08:04:08 UTC
AV detection:
6 of 45 (13.33%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=raiqbrqvbtosilnkd3o26m5kuydjz4rpuqa5aksr6wmuxyl4jhbq._file
Verdict:
malicious
Label(s):
formbook
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Similar samples:
0aeac649d2d859f9f98e5545017913ed1e3270ba4d46602c2cac3adbe03dea40
Formbook
1d07ba3818460950a41107248ebad65eea18efc3c151aa275be107732f3625d6
Formbook
5c8f31380d956958134331ea55e63835fd16ca1f02f4c81672b69db70bc97ab8
Formbook
877727126dd647bbd23c00721d01b1bbe752a01f1943f89a35f3ba7c908f1a48
Formbook
a325ff051ebc1d366533e22fba4a75a4c0b183a28457ed2fea0841f68da06334
Formbook
aa768c2c6e6e99313d1de9367ad2b894ce051ae3ce3ed1aeedc806ab8b0a0f80
Formbook
b9b0ce10496a723998fd40bd2662d231e6135c465000d319b708736570d0bd09
Formbook
c1426732f06b03f0d2f0b2afd275bcd17ceb24d16174db630e10fab4fee09f04
Formbook
d3c68ebad6229b1da92061291639f9b48e3f76fd4c524a9850b4fbb311e180f8
Formbook
e059ab9141d67e0b2e9eb83d34ba88e480f7091bcd97b78466386a17b44a235e
Formbook
+ 11'099 additional samples on MalwareBazaar
Result
Malware family:
xloader
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Score:
  10/10
Tags:
family:xloader campaign:pufi loader rat suricata
Link:
https://tria.ge/reports/211102-jyaqdshabq/
Behaviour
Gathers network information
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
Deletes itself
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.homestechs.com/pufi/
Unpacked files
SH256 hash:
030b76a471a4dbfb81e15520ccca3ab68572006cbd781c863d6d72e6b19ad88c
MD5 hash:
267b2956ead250f2bb93d55e08eb036f
SHA1 hash:
8bdeef8d2091296b2a652fdd6134c141b44e1b5d
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/e1a2ba0f-7525-4d03-9f45-99dad07d4df3/
Parent samples :
f1f2892cd08386e6af2477ff8340a60afb66ac66509e660c76818ea721c7fe6a
877727126dd647bbd23c00721d01b1bbe752a01f1943f89a35f3ba7c908f1a48
e059ab9141d67e0b2e9eb83d34ba88e480f7091bcd97b78466386a17b44a235e
1d07ba3818460950a41107248ebad65eea18efc3c151aa275be107732f3625d6
881100c6150cdd242daa1eddaf33aaa6069cf22fa401d02a51f5994be17c49c3
8f06ef3fb5b077f1d8c9b9ff9ac36a5d019c8c829fc7374dbf03a407793ca29f
SH256 hash:
7ec7c47de5927351c7035f8657a2dd91c42fd6ed6e4da309e34b87ef0b0ba785
MD5 hash:
171a2669225911b41301096cd9dcf19f
SHA1 hash:
dc25f1f69faec5174e489a0d1a18cf14cf7fd1b5
Link:
https://www.unpac.me/results/e1a2ba0f-7525-4d03-9f45-99dad07d4df3/
SH256 hash:
6fd426324d7dc8bb41447e8c4b8c9b8a8534861d6e90077227faf36091030a7d
MD5 hash:
24f24634df9337292e6a445d32b80e4a
SHA1 hash:
65335585da67001be3486d475452d0f90c857c97
Link:
https://www.unpac.me/results/e1a2ba0f-7525-4d03-9f45-99dad07d4df3/
SH256 hash:
881100c6150cdd242daa1eddaf33aaa6069cf22fa401d02a51f5994be17c49c3
MD5 hash:
25f5c52cdda04e1e029d2326e29ca8d5
SHA1 hash:
f166d6adfd2c7e369948252546d2113a7ee07224
Link:
https://www.unpac.me/results/e1a2ba0f-7525-4d03-9f45-99dad07d4df3/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/881100c6150c/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/881100c6150cdd242daa1eddaf33aaa6069cf22fa401d02a51f5994be17c49c3

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
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Rule name:Skystars_Malware_Imphash
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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 881100c6150cdd242daa1eddaf33aaa6069cf22fa401d02a51f5994be17c49c3

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/201350/

Comments