MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f1540e89eeb7046cd265d37ef63a6d282a1ff8a89875193ae775582e74205594. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f1540e89eeb7046cd265d37ef63a6d282a1ff8a89875193ae775582e74205594
SHA3-384 hash: c64304fa71c184420229d2d9ff193ebef37161f3c109ab900cf5ee02abae08cb9d521904bc6a2e14ce05675bedfa3413
SHA1 hash: cfa6ae5441f0c41d5d92e0fab0eb90b44e0d621e
MD5 hash: 01b0dffa7c000f4d55544eb38f8ab238
humanhash: beer-moon-papa-kilo
File name:REMITTANCE COPY.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'333'248 bytes
First seen:2021-09-20 05:32:15 UTC
Last seen:2021-09-20 13:01:34 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 12288:5pYu9DAwfA8sL+zAFIKGuGr54y6oe9xNY4XCQFY6MkP7r9r/+ppppppppppppppZ:5pYu5APdKzAFbGT6yz4XLFYfk1q
Threatray 9'363 similar samples on MalwareBazaar
TLSH T19B55EE298D1682F7C7EEC63CD06C4F9EDB62AC837A618F0E9881B6D6167770BD18444D
File icon (PE):PE icon
dhash icon d4c4c4d8ccd4f0cc (241 x AgentTesla, 65 x Loki, 41 x Formbook)
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
4
# of downloads :
204
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
REMITTANCE COPY.exe
Verdict:
Malicious activity
Analysis date:
2021-09-20 05:34:32 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/bdb5d49c-ae3f-40a2-acb0-53cd80f23110

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/189200/
Detection(s):
SecuriteInfo.com.Variant.Bulz.349164.18781.11734.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Launching a process
Launching cmd.exe command interpreter
DNS request
Possible injection to a system process
Unauthorized injection to a system process
Deleting of the original file
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d20d6a00-a51f-4be1-8985-7f20fa251f27
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/853741
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
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 virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 486172 Sample: REMITTANCE COPY.exe Startdate: 20/09/2021 Architecture: WINDOWS Score: 100 31 www.servpix.com 2->31 33 www.goodiste.com 2->33 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 6 other signatures 2->47 11 REMITTANCE COPY.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\...\REMITTANCE COPY.exe.log, ASCII 11->29 dropped 59 Injects a PE file into a foreign processes 11->59 15 REMITTANCE COPY.exe 11->15         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 Queues an APC in another process (thread injection) 15->67 18 explorer.exe 15->18 injected process9 dnsIp10 35 www.menuhaisan.com 51.79.243.138, 49821, 80 OVHFR Canada 18->35 37 www.stellarex.energy 66.96.162.146, 49818, 80 BIZLAND-SDUS United States 18->37 39 www.softwaresystemsolutions.com 156.240.151.189, 49820, 80 Africa-on-Cloud-ASZA Seychelles 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 22 cmmon32.exe 18->22         started        signatures11 process12 signatures13 51 Self deletion via cmd delete 22->51 53 Modifies the context of a thread in another process (thread injection) 22->53 55 Maps a DLL or memory area into another process 22->55 57 Tries to detect virtualization through RDTSC time measurements 22->57 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f1540e89eeb7046cd265d37ef63a6d282a1ff8a89875193ae775582e74205594/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-09-20 00:13:22 UTC
AV detection:
16 of 45 (35.56%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=6fka5cpow4cgzutf2n7pmotnfavb76fitb2rsoxhovmc45bakwka._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
485ad83319a3a7d9ad350442b92d97ff3900021a6cc49e745b3905beb1d5daa2
Formbook
5c8f31380d956958134331ea55e63835fd16ca1f02f4c81672b69db70bc97ab8
Formbook
647c043687621e012ac9c04a69fe8590198d8e8e369431723dc848436438939a
Formbook
66b02d69d4eff510190fb38504be6dcf9f94d28f14b0569c7d1cd36bfb78983d
Formbook
6931c7d4ab556ccd3cee7b8ddc9107f73551dd8cf5f293ec88d0ded26f52a9f6
Formbook
7b4c1bf9a15a419080fe02866aa26f162f79d5e01763c6af5915b07988556223
Formbook
cfdb27a9ff39bd1aa5a0a43fe6e272c269a311f5748d8a13b2e705f7d66f16bd
Formbook
eb41e6bf4948dda50007b3116c17c13361c81660cac092cfc7caef467deddafb
Formbook
f547d8d44d91b4d09f1323857e573c31a8cb0fb1ed949cc0f8c90f6ea807b23c
Formbook
+ 9'353 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:c2ue loader rat
Link:
https://tria.ge/reports/210920-f8v8asdaf3/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.heidevelop.xyz/c2ue/
Unpacked files
SH256 hash:
4fe5eccf2d183b9c91b135a9659155103c51b75cc28268407d735935383381e4
MD5 hash:
3b5dca5c0340a8ac46af819bae7eb71f
SHA1 hash:
ff288bc89fcef4be981bc620d5248db6d03d9090
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/54eeba12-8060-45b3-9707-ff5358e165d3/
Parent samples :
f1540e89eeb7046cd265d37ef63a6d282a1ff8a89875193ae775582e74205594
bf335484cc9fdfc68bda67acbe6eab1f65f0f7dd7043b3aff47b47201ca531c5
fc9f8f3e66f8ea09953b7b5eba261ff36eb9a78a5f92787eb879420ee3bad581
03b8b680955c5827b5f80ace4afb923c2a5714cbe1b9ca579ab6f197b8826bc6
8d536146e57d878eea148bc98170d2f7cad77ea57f0fbefedf3f3c0dcce40ac5
ed4ba3559a925d94bd2917dd5d4247d84e904b1e8423c21e40a0b9efc7b295d6
c7e4871bd8e22a0dfd8116206cff6631ca4a91857df75017b890768da0730041
a109f0b9407728fef1b41d766e8228085ee04661156d84ef543777bf311f450b
9748d96e1143a06277d9cc3e9398d366fe3fa21c4316b8134462c42a0020fe87
bdf00456287e3b458420249732255abf583ab0d6b5eb263f45d6ff329abdde93
SH256 hash:
1c0520b8fa2c9ec1fd1e3d9402af69f46a5545661e34391fa90fd74f1a7a5bea
MD5 hash:
44c0f176df13640ee7404f5c5aa831f3
SHA1 hash:
f53236d37b7e498f43d742e0f93163973f70c60a
Link:
https://www.unpac.me/results/54eeba12-8060-45b3-9707-ff5358e165d3/
SH256 hash:
43e38f251dbca9aa20f3470167e5427a7e7a7cdcd25f0b6b045ae8577cd3e345
MD5 hash:
f62ab5d3528d5a3b9e270ea1f9347868
SHA1 hash:
6a74e87711c615adbd9145f829a33f55b7e42dd6
Link:
https://www.unpac.me/results/54eeba12-8060-45b3-9707-ff5358e165d3/
SH256 hash:
748cb3af88cc4cfe2f221e330532b26c2cdd57664210d7d4433771c584f6a7c6
MD5 hash:
7d2ea7e356cc0e6a65ee18b5ddbb869a
SHA1 hash:
659e509ec240da41c361bcc222d17c9db5180456
Link:
https://www.unpac.me/results/54eeba12-8060-45b3-9707-ff5358e165d3/
SH256 hash:
f1540e89eeb7046cd265d37ef63a6d282a1ff8a89875193ae775582e74205594
MD5 hash:
01b0dffa7c000f4d55544eb38f8ab238
SHA1 hash:
cfa6ae5441f0c41d5d92e0fab0eb90b44e0d621e
Link:
https://www.unpac.me/results/54eeba12-8060-45b3-9707-ff5358e165d3/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.71
Link:
https://yomi.yoroi.company/submissions/f1540e89eeb7046cd265d37ef63a6d282a1ff8a89875193ae775582e74205594

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:dridex_halo_generated
Create hunting rule
Author:Halogen Generated Rule, Corsin Camichel
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 f1540e89eeb7046cd265d37ef63a6d282a1ff8a89875193ae775582e74205594

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/189200/

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