MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 64b041387c3c512a5b43c2a1d811b35f18f4d537c522dafb7b3e736912907426. 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: 64b041387c3c512a5b43c2a1d811b35f18f4d537c522dafb7b3e736912907426
SHA3-384 hash: 927485fc23386e6945c67833d2045e1163e2b93a61de3c7fdfcdbc57c30f63492f811c47606aa36e02030f4fbefa8226
SHA1 hash: dbbc4011685d364691ad33c3f0dd9e00f3a45792
MD5 hash: a86077cd62754805e944847a8b1aa517
humanhash: music-hot-six-mobile
File name:Payment Advice.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:676'864 bytes
First seen:2021-10-12 12:18:26 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 12288:5j9+hvnUi0k7EU29NE9CO95RCTssx6yeh5PLSkZ:HGvUiL7DBb4TsLyeh5PL
Threatray 10'352 similar samples on MalwareBazaar
TLSH T1CBE4C03439EE4059F272BF366ED5B19D9F6EBEB22513841E2152730A0632B81CDB153E
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
189
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Payment Advice.exe
Verdict:
Malicious activity
Analysis date:
2021-10-12 12:23:55 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/a6dc7cba-c477-4eac-ab7f-c7b013f34c4a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/196937/
Detection(s):
SecuriteInfo.com.BackDoor.SpyBotNET.25-2.UNOFFICIAL
Create hunting rule

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/61657d371c2d58ba740321a3/reports/4218ffaf-1142-47d5-a549-71e484df0ca2/overview
Result
Verdict:
MALICIOUS
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d72345b1-a043-4879-9990-dba52f6ce191
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/868639
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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: 501067 Sample: Payment Advice.exe Startdate: 12/10/2021 Architecture: WINDOWS Score: 100 28 www.wolkeverts.quest 2->28 30 www.rjrctr.com 2->30 50 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->50 52 Found malware configuration 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 9 other signatures 2->56 10 Payment Advice.exe 3 2->10         started        signatures3 process4 file5 26 C:\Users\user\...\Payment Advice.exe.log, ASCII 10->26 dropped 13 Payment Advice.exe 10->13         started        process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 13->58 60 Maps a DLL or memory area into another process 13->60 62 Sample uses process hollowing technique 13->62 64 Queues an APC in another process (thread injection) 13->64 16 cmmon32.exe 13->16         started        19 explorer.exe 13->19 injected process8 dnsIp9 38 Self deletion via cmd delete 16->38 40 Modifies the context of a thread in another process (thread injection) 16->40 42 Maps a DLL or memory area into another process 16->42 44 Tries to detect virtualization through RDTSC time measurements 16->44 22 cmd.exe 1 16->22         started        32 www.calvetpau.store 64.98.145.30, 49850, 80 TUCOWS-3CA Canada 19->32 34 ritotvmount.xyz 68.65.122.53, 49852, 80 NAMECHEAP-NETUS United States 19->34 36 9 other IPs or domains 19->36 46 System process connects to network (likely due to code injection or exploit) 19->46 48 Performs DNS queries to domains with low reputation 19->48 signatures10 process11 process12 24 conhost.exe 22->24         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/64b041387c3c512a5b43c2a1d811b35f18f4d537c522dafb7b3e736912907426/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2021-10-12 00:30:03 UTC
AV detection:
25 of 45 (55.56%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=msyecod4hrisuw2dykq5qentl4mpjvjxyurnv633hzzwseuqoqta._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1f26dff77c5abe47b2f1ec6360396fef9b66c18fa7c76629568de2089bc7052f
Formbook
22ccfaaf35443526ee17c510270e538f8e1289b85963007ea711132094b25d33
Formbook
2cc70aab4d932d3dfce1498801d6838e967e4ddebe3a06372e8ed2e7f86792f2
Formbook
5d5aa4f1afaa9dd98bc1317f5b8e190cf21130d465da575fac9d4fbc6b3fb3af
Formbook
64e3a0f2298f21833eb7a9c51aa0b2b8d3354bdcefb0156bb34371e3163d8b3d
Formbook
b9b0ce10496a723998fd40bd2662d231e6135c465000d319b708736570d0bd09
Formbook
c1426732f06b03f0d2f0b2afd275bcd17ceb24d16174db630e10fab4fee09f04
Formbook
cf3038247c7a2a5779f655fdf594bdad56b22d198b6edb1c3197b84d9c4f153a
Formbook
da641202fb53638f3aad2bda8a87d215855cf03aa658637e3dd70dbe5c3c47fd
Formbook
e4f8b98f8e13c39a8a37fe7f2ac39f76790ae154a1a47941d889c663675e970e
Formbook
+ 10'342 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:i6rd loader rat
Link:
https://tria.ge/reports/211012-pg6z6acch5/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.csuiteweekly.com/i6rd/
Unpacked files
SH256 hash:
9e5bd31267238626e10ae94a4a941e4cf311ee526bd5fd2b7687920ad7bb8415
MD5 hash:
eff3153f9b76eb389f4d13fb4ca7e027
SHA1 hash:
2f5901496bd2b9a16b4eaadf03d049f872021ed5
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/888d9921-45b0-4a5b-97b6-a97b0a976c98/
Parent samples :
e4f8b98f8e13c39a8a37fe7f2ac39f76790ae154a1a47941d889c663675e970e
2cc70aab4d932d3dfce1498801d6838e967e4ddebe3a06372e8ed2e7f86792f2
64b041387c3c512a5b43c2a1d811b35f18f4d537c522dafb7b3e736912907426
fef0d9949f8b44101a68d301a7377636ae04b52da579fd0850d4cd91b124bbe7
SH256 hash:
d434e7cb4105d7e760a39a1a8a1306338b00fbd6507025d53e4c44ede73d3788
MD5 hash:
6613b992e916924c3f38a179bb9866ab
SHA1 hash:
cd5741f4d0a4685c5fd9c9e2e708bbf33ec1691a
Link:
https://www.unpac.me/results/888d9921-45b0-4a5b-97b6-a97b0a976c98/
SH256 hash:
b49d6c91b58a65bd85a8e2c53d829ead6c6b8ed84006524a57bbf9ed6a29760e
MD5 hash:
5ea149833a4cbc34f0347b0e1fbe7f47
SHA1 hash:
02938d51553b01c1906bdeeea5fb5506cb8ce212
Link:
https://www.unpac.me/results/888d9921-45b0-4a5b-97b6-a97b0a976c98/
SH256 hash:
64b041387c3c512a5b43c2a1d811b35f18f4d537c522dafb7b3e736912907426
MD5 hash:
a86077cd62754805e944847a8b1aa517
SHA1 hash:
dbbc4011685d364691ad33c3f0dd9e00f3a45792
Link:
https://www.unpac.me/results/888d9921-45b0-4a5b-97b6-a97b0a976c98/
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/64b041387c3c512a5b43c2a1d811b35f18f4d537c522dafb7b3e736912907426

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
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
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 64b041387c3c512a5b43c2a1d811b35f18f4d537c522dafb7b3e736912907426

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/196937/

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