MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 45fad79d5665cbad096d1029eb228bdca999352958c393d08e2813787fc2dcb0. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 45fad79d5665cbad096d1029eb228bdca999352958c393d08e2813787fc2dcb0
SHA3-384 hash: f27308888edeb1a8564b306005e43aa4c5340d3c3ff56c5a2341c0515773a62e85ca9dcc9bdcd5ece3885802b37b1a89
SHA1 hash: ef1bd1e7dcd9633244c3e9bcaeef190ff8eab47d
MD5 hash: 277b8bac14e09015d53ad66c97e272a0
humanhash: nuts-seventeen-white-burger
File name:Remittance.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'373'696 bytes
First seen:2021-08-12 11:56:42 UTC
Last seen:2021-08-12 13:09:30 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:SCpc6JmEOMCQryZ/3Mc64rc2JH9EY9n7MKScl8qRi7ggQDmH7PQ6H+Uy1Susr8Mk:LJ0MCiyHfc2bEYt7x83EOMZZS5R0
Threatray 7'696 similar samples on MalwareBazaar
TLSH T156554C3D19B92637C065C6758AE1C81BF0409CAF35D9E97E94C29F26C2D2B5335832EE
dhash icon 9a07d41c0d2a6a78 (5 x Formbook)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
312
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Remittance.exe
Verdict:
Malicious activity
Analysis date:
2021-08-12 12:18:18 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/f83d7c01-16af-4905-bf01-bf928f1716e6

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/178697/
Detection(s):
SecuriteInfo.com.Trojan.Siggen14.59996.2897.2933.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
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/337be42c-250e-4588-97e4-27ee37027f34
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/831723
Signature
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
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
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: 464155 Sample: Remittance.exe Startdate: 12/08/2021 Architecture: WINDOWS Score: 100 31 www.elecreator.com 2->31 33 elecreator.com 2->33 35 www.4tongzhi.com 2->35 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 6 other signatures 2->49 11 Remittance.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\Remittance.exe.log, ASCII 11->29 dropped 61 Tries to detect virtualization through RDTSC time measurements 11->61 63 Injects a PE file into a foreign processes 11->63 15 Remittance.exe 11->15         started        signatures6 process7 signatures8 65 Modifies the context of a thread in another process (thread injection) 15->65 67 Maps a DLL or memory area into another process 15->67 69 Sample uses process hollowing technique 15->69 71 Queues an APC in another process (thread injection) 15->71 18 explorer.exe 15->18 injected process9 dnsIp10 37 www.oneonecity.xyz 150.95.255.38, 49720, 80 INTERQGMOInternetIncJP Japan 18->37 39 digitalschool-ug.com 144.76.181.177, 49718, 80 HETZNER-ASDE Germany 18->39 41 10 other IPs or domains 18->41 51 System process connects to network (likely due to code injection or exploit) 18->51 53 Performs DNS queries to domains with low reputation 18->53 22 mstsc.exe 18->22         started        signatures11 process12 signatures13 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:
n/a
Link:
https://mwdb.cert.pl/sample/45fad79d5665cbad096d1029eb228bdca999352958c393d08e2813787fc2dcb0/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2021-08-12 09:16:39 UTC
AV detection:
21 of 28 (75.00%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ix5nphkwmxf22clncau6wiul3suzsnjjldbzhueofajxq76c3sya._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1c2c212dbad3b81d9c6225c3a9f9f6211b10782d228a090f9aa4f038b0270663
Formbook
257432b5ffbd5ae253f6be351f71f968d407f15e7f5ea78d7b613c7d663eba9c
Formbook
25ccba7b1faefe85e035fb10cf4bc3c72096640699e19ec1c024c7332c213b58
Formbook
49217eb71ec8276e6fdb8573c02691fa5b9de9cb14be7b82c4ec6570f78fcfdf
Formbook
59376f91fb0637be9672bb23efc91acf2ef949826c74dfb927146f9799eecd08
Formbook
77f75ced9cfdb9bff40e705aaced15795f123e460db0fcb97463e0515aaf8af1
Formbook
abb1db77386f0eb3cd2c68603ee8817d6d1015287422182845345dad70503564
Formbook
ba02b1ff767d07fbcd13529b70ce92a08238ef31bdfc4058b23023fc8176d26b
Formbook
f5a2547fc06aeb5416ee308668f2091e0e21c07b57aa6f4e5db47e06e6899a73
Formbook
+ 7'686 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:udew loader rat suricata
Link:
https://tria.ge/reports/210812-7a8z1vrdfa/
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
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.agendno.com/udew/
Unpacked files
SH256 hash:
80f7b7c57be9775e942dc1fdb612d0bdd9e224fed1da78074739e1fdbde70f76
MD5 hash:
98bb00c28c08334a52adae5c732d96a2
SHA1 hash:
94fa243ab9dafd234f072a6952adc50af823d904
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/9b4c5ecd-885a-407a-a902-506824049782/
Parent samples :
45fad79d5665cbad096d1029eb228bdca999352958c393d08e2813787fc2dcb0
c35dc511756121de1ea79ead44b8d25157d6356bc5a59c2ff530a60b2c444bec
6134f857a84f2686c84d2d2273be977eafa19b97acdc16532e4b206d62f51e28
4c5ba895d47529032c749f81ae5f8ffba7fab5493a2bd33f699c0d05aabfa080
818c1b58ed2f90509db1681fdad87813f57f12e744dd2adefec617617166e612
SH256 hash:
33ac6b8012ce739e72022086b5d39b7fc030c20fa72988f76957685509d5c041
MD5 hash:
83f8ae95a7e6f016f6b00482588086e6
SHA1 hash:
70392939d6d60a913b51084ec1d98eaae8ca4868
Link:
https://www.unpac.me/results/9b4c5ecd-885a-407a-a902-506824049782/
SH256 hash:
feb2bd0ca8c4aca7f6c36e233d6b59ca52a5c27c01582e153a2eee43c552c1ba
MD5 hash:
60a7ce3911b3192d8876ccf0cffa17f7
SHA1 hash:
2a174c1ac373680bc339d8258cdcc1157ad1d4b2
Link:
https://www.unpac.me/results/9b4c5ecd-885a-407a-a902-506824049782/
SH256 hash:
45fad79d5665cbad096d1029eb228bdca999352958c393d08e2813787fc2dcb0
MD5 hash:
277b8bac14e09015d53ad66c97e272a0
SHA1 hash:
ef1bd1e7dcd9633244c3e9bcaeef190ff8eab47d
Link:
https://www.unpac.me/results/9b4c5ecd-885a-407a-a902-506824049782/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/45fad79d5665/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.81
Link:
https://yomi.yoroi.company/submissions/45fad79d5665cbad096d1029eb228bdca999352958c393d08e2813787fc2dcb0

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 45fad79d5665cbad096d1029eb228bdca999352958c393d08e2813787fc2dcb0

(this sample)

  
Dropped by
null
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/178697/

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