MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 82ec33dd4f26eab172d8a0fc536751d12153a3f7175351da311a7059217c670e. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 82ec33dd4f26eab172d8a0fc536751d12153a3f7175351da311a7059217c670e
SHA3-384 hash: 3dec4cdd9a3b18ca70f6dc6a850e8b0d4b0f5ce9b87af0c9f26ff138950c5067f9b6a1702e5266e17ba5d359cef58a23
SHA1 hash: 595dbe1b488cb9257a68b259b090b324a152fe1f
MD5 hash: b4e504eb3a8364e1fae11260575fd46e
humanhash: potato-fanta-utah-early
File name:Quotation.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:507'904 bytes
First seen:2020-10-13 05:42:30 UTC
Last seen:2020-10-13 07:08:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:lfP65HsW7kFuG97mwIxeKg0xb5+aYVfpw2w2HlHQHE1YkN3r2YC2/am828uNUA:lOHVywgE5+aCbLHdQqYkNs4tW
Threatray 2'623 similar samples on MalwareBazaar
TLSH A5B4AEF1394E5869F7684271501A7CC3EA7E02CB1F5E8E0FBE8B824C4E11A4B5B9654F
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: m9746.mail.qiye.163.com
Sending IP: 220.181.97.46
From: 程权 <sales01@trace-lens.com>
Subject: RE:Request For Quotation(Urgent)
Attachment: PO_13102020.rar (contains "Quotation.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
95
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/70243/
Detection(s):
SecuriteInfo.com.ArtemisB4E504EB3A83.17348.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a file in the %temp% subdirectories
Creating a window
Creating a file
Creating a process from a recently created file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
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/489153
Signature
.NET source code contains very large array initializations
Allocates memory in foreign processes
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 297020 Sample: Quotation.exe Startdate: 13/10/2020 Architecture: WINDOWS Score: 100 34 Malicious sample detected (through community Yara rule) 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 Yara detected FormBook 2->38 40 4 other signatures 2->40 10 Quotation.exe 8 2->10         started        process3 file4 26 C:\Users\user\AppData\...\AddInProcess32.exe, PE32 10->26 dropped 28 C:\Users\user\AppData\...\Quotation.exe.log, ASCII 10->28 dropped 30 C:\Users\user\AppData\...\AgileDotNetRT.dll, PE32 10->30 dropped 32 C:\Users\user\AppData\Local\Temp\...\D.dll, PE32 10->32 dropped 48 Writes to foreign memory regions 10->48 50 Allocates memory in foreign processes 10->50 52 Tries to detect virtualization through RDTSC time measurements 10->52 54 Injects a PE file into a foreign processes 10->54 14 AddInProcess32.exe 10->14         started        signatures5 process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 14->56 58 Maps a DLL or memory area into another process 14->58 60 Sample uses process hollowing technique 14->60 62 2 other signatures 14->62 17 explorer.exe 14->17 injected process8 process9 19 raserver.exe 17->19         started        signatures10 42 Modifies the context of a thread in another process (thread injection) 19->42 44 Maps a DLL or memory area into another process 19->44 46 Tries to detect virtualization through RDTSC time measurements 19->46 22 cmd.exe 1 19->22         started        process11 process12 24 conhost.exe 22->24         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/82ec33dd4f26eab172d8a0fc536751d12153a3f7175351da311a7059217c670e/
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2020-10-13 04:03:02 UTC
AV detection:
24 of 28 (85.71%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qlwdhxkpe3vlc4wyud6fgz2r2eqvhi7xc5jvdwrrdjyfsil4m4ha._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
netwirerc
Create hunting rule
Similar samples:
0444972f4976d21a707c947f936ee857584f0dee44e795c6dc7cb86d9b28eddd
Formbook
3e8e7c9ebb8ae4bbb723e1974f176f8cb82ec0fb4e1890ee1f4feed08ae76058
Formbook
426ffa75739fe8c76f9b42c13944cbde5de6715394131f8e02fa83027de328f2
Formbook
5169448790953f95b005aedf779cc9cc9443ab52550650cbae197033d5c227e0
Formbook
767fc756f86db0b4de57b4ec14964f24af0e47eb23ba7fa1df6378bcf9986947
Formbook
914712c702b94abb26e0d1edbd54712d62a2fdb6cfbc9bd41ac8bcb84296358f
Formbook
bd959929f72ad78adfc193a1b6f3951a41cb2fd273e97680ca41030c7c4ad271
Formbook
d9600ffc9406d71c60b7eb036248230510c3b971a1de563ca7b8b57e822f7879
Formbook
e132699f63854eb3c66be165867f2cafc37d29a8a3a4ca3c4c6949ed42ddde95
Formbook
e85f434810652692f3e0a0738d9156899afcbd2bed42a6f328f0092d72a1db34
Formbook
+ 2'613 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-qafldlgch6/
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
Loads dropped DLL
Executes dropped EXE
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.xqxsm.com/mc5/
Unpacked files
SH256 hash:
82ec33dd4f26eab172d8a0fc536751d12153a3f7175351da311a7059217c670e
MD5 hash:
b4e504eb3a8364e1fae11260575fd46e
SHA1 hash:
595dbe1b488cb9257a68b259b090b324a152fe1f
Link:
https://www.unpac.me/results/783852c2-9923-4d3b-9423-f7c5fd3c9ff8/
SH256 hash:
19d9922060be89a70b76e5c0056e751f1baa5d41819235c92cf4f5d7668e1267
MD5 hash:
811864a0b06c529af894a7fec6ddbf47
SHA1 hash:
d35b82933eb06a6ec60e8cbbdb65eb6cdcaeb6d2
Link:
https://www.unpac.me/results/783852c2-9923-4d3b-9423-f7c5fd3c9ff8/
Parent samples :
afa2f55e149097f9b250142bbfd94d9d56d10649c96adb079fdb0dfdac7c6660
69e2ae11e1b5cbe120bf02301191a1cf05e87fc09b09d63bd782abbf3615d05d
0b778873c94f6bc89a40294c0e85a38ab82509260cd2a2e8b73d00c5c90e8757
7ddfa6f44a60f4b894321f6977f8121cfb371c3c61ac872c58ba61fd5ee13deb
SH256 hash:
e3f3f21f1da73f127615d0ce7f20b1159facd9b5015ef223de73dddbcdf1f59a
MD5 hash:
7a4f8f06291d4cff66c36c4963e2d0e6
SHA1 hash:
dfe8b19e175fb63bd891664e11e9f7fa646f4bf1
Link:
https://www.unpac.me/results/783852c2-9923-4d3b-9423-f7c5fd3c9ff8/
SH256 hash:
f8bee4108a324df32ad5a2ebafa6b7f411402a21e2598cf9db66486970f80fdd
MD5 hash:
a92da98ff6f5ae608503d074617bcc2a
SHA1 hash:
d3eafcccca011bb3a7a5ae52dd9704ceafcde472
Link:
https://www.unpac.me/results/783852c2-9923-4d3b-9423-f7c5fd3c9ff8/
SH256 hash:
62a1825efb0ef73cb3ffc9e6d2c502a249010eadf50ebbedd10345fb52681463
MD5 hash:
db043aa49891c4708d60e64c4db77029
SHA1 hash:
a6569bbc05b892a3649303fdca39419085489377
Link:
https://www.unpac.me/results/783852c2-9923-4d3b-9423-f7c5fd3c9ff8/
SH256 hash:
0ad35e9e0bef5ee8ed54ac6da9ea45302c7feb762bf15e7984a0c80d3f68a71a
MD5 hash:
dfb48ab1c8987ac0cb90f88da59237b0
SHA1 hash:
1d4d8ed33f9ff8ca38ea7ae0d213b4d1601b4f0d
Link:
https://www.unpac.me/results/783852c2-9923-4d3b-9423-f7c5fd3c9ff8/
SH256 hash:
1fd52a5183e1ef1f66b4d29f85738d5b729cf33ffa45369ff7b39551bd7e7d26
MD5 hash:
d28761c25a189606c4e354bf0795c43e
SHA1 hash:
21bcf332c6897b19443ca79dcb51ec2b96151580
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/783852c2-9923-4d3b-9423-f7c5fd3c9ff8/
Parent samples :
82ec33dd4f26eab172d8a0fc536751d12153a3f7175351da311a7059217c670e
333a258f45e7a8baaab72b1539859a00bca7309a8d641490329184977090b540
f89ea3eb5f2720e6194642d92ef8de19d90dcb0cf12c64bc42dd9aba0edfeb85
16a4855bceb4df02e0478cd72972a6e7f144f2278fedb239c2cb696cf6bf7199
SH256 hash:
1c64e7b33b061a9571ef2468f2067c1ed3a9f77e23d162f46038dcf4103621a3
MD5 hash:
edd87aa25b0827e371a7491933aff89d
SHA1 hash:
7cbe20a07e77dd5534b37764de90c73ad6720917
Link:
https://www.unpac.me/results/783852c2-9923-4d3b-9423-f7c5fd3c9ff8/
SH256 hash:
da04e452cc983a04fd99f2a39eab50bb671a158bc6af9c21ff4b501202e53780
MD5 hash:
b80336ec7ad38bd71940465fc4022a5e
SHA1 hash:
cfd0e10bdb0b4c76417e8ca77361f4321b09b247
Link:
https://www.unpac.me/results/783852c2-9923-4d3b-9423-f7c5fd3c9ff8/
Please 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/82ec33dd4f26eab172d8a0fc536751d12153a3f7175351da311a7059217c670e

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:Formbook
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information

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

Malspam

Formbook

rar f85a7ae9098a4bdfea5a23c0f250e0172ff199772ac1c47c78546a92da8a707c

Formbook

Executable exe 82ec33dd4f26eab172d8a0fc536751d12153a3f7175351da311a7059217c670e

(this sample)

  
Dropped by
MD5 ad26ce6ff3d5ef467fe1a617890251cb
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/70243/
  
Dropped by
SHA256 f85a7ae9098a4bdfea5a23c0f250e0172ff199772ac1c47c78546a92da8a707c

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