MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3eca58af30a24d1b5697c4079be161499ec28e5ec399738619c640633b6d1781. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments
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SHA256 hash: 3eca58af30a24d1b5697c4079be161499ec28e5ec399738619c640633b6d1781
SHA3-384 hash: 2d5ee79e812971377d6f505c9ea945250ed6b0fd552174dbcd157f45436dd51f8b9a601a863cde44c16d9103c11f24c4
SHA1 hash: f3c3b734bdbc4cdf9c4b0990afb153cbbb74f48f
MD5 hash: 858f453d121bf6f774c58adcdf6a4872
humanhash: sink-friend-cat-eighteen
File name:Ref8810998235 Auto System Generated Order Form 061022.exe
Download: download sample
Signature Formbook
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File size:983'040 bytes
First seen:2022-10-08 16:27:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:+HWQIR/4veDMuqkE3f5AaKFeXc7SRXqpPHSRthPcLv1SSxTG45O:1r4veYX5BK4s7aGSRzcz1SW6
Threatray 16'577 similar samples on MalwareBazaar
TLSH T19225D03606D6C60BD4162378CDE2D3F0AFE86EA5A272C3474FE9BC6FF4571A66A00544
TrID 49.6% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
21.2% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
8.9% (.SCR) Windows screen saver (13101/52/3)
7.1% (.EXE) Win64 Executable (generic) (10523/12/4)
4.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
File icon (PE):PE icon
dhash icon ec82e8e8eab2ced8 (17 x SnakeKeylogger, 9 x Loki, 9 x AgentTesla)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
379
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Ref8810998235 Auto System Generated Order Form 061022.exe
Verdict:
Malicious activity
Analysis date:
2022-10-07 07:10:55 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/df56f8fd-1ed0-4991-8c03-80b3d82482ba

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/317934/
Detection(s):
Porcupine.Unclassified.26548.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
67%
Tags:
packed
Link:
https://www.filescan.io/uploads/6341a5140d3d21420ccacdf6/reports/c5247667-556a-4a44-b10d-26670f43cf4c/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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8b33711f-953e-4628-98db-4d1f167ca326
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1086330
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Deletes itself after installation
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)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
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 harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 718887 Sample: Ref8810998235 Auto System G... Startdate: 08/10/2022 Architecture: WINDOWS Score: 100 32 Snort IDS alert for network traffic 2->32 34 Malicious sample detected (through community Yara rule) 2->34 36 Antivirus detection for URL or domain 2->36 38 8 other signatures 2->38 8 Ref8810998235 Auto System Generated Order Form 061022.exe 3 2->8         started        process3 file4 24 Ref8810998235 Auto...Form 061022.exe.log, ASCII 8->24 dropped 50 Injects a PE file into a foreign processes 8->50 12 Ref8810998235 Auto System Generated Order Form 061022.exe 8->12         started        15 Ref8810998235 Auto System Generated Order Form 061022.exe 8->15         started        signatures5 process6 signatures7 52 Modifies the context of a thread in another process (thread injection) 12->52 54 Maps a DLL or memory area into another process 12->54 56 Sample uses process hollowing technique 12->56 58 Queues an APC in another process (thread injection) 12->58 17 explorer.exe 12->17 injected process8 dnsIp9 26 www.gobeautyfitness-d.space 64.190.63.111, 49704, 49705, 49706 NBS11696US United States 17->26 28 www.sandiancin.info 199.192.31.144, 49708, 49709, 49710 NAMECHEAP-NETUS United States 17->28 30 2 other IPs or domains 17->30 40 System process connects to network (likely due to code injection or exploit) 17->40 21 cmstp.exe 13 17->21         started        signatures10 process11 signatures12 42 Tries to steal Mail credentials (via file / registry access) 21->42 44 Tries to harvest and steal browser information (history, passwords, etc) 21->44 46 Deletes itself after installation 21->46 48 2 other signatures 21->48
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3eca58af30a24d1b5697c4079be161499ec28e5ec399738619c640633b6d1781/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-10-06 05:55:45 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=h3ffrlzqujgrwvuxyqdzxylbjgpmfds6yomxhbqzyzaggo3nc6aq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
2e6b14e41b3f871355635c7427cb1531a9b61a37e137f90a590d21eab7648f2f
Formbook
2fc9bef4467f94362f4860fa9f501640b8a0964154fe5f2d8200f3d67b825b79
Formbook
3d9766bbf57730b0aa1d3d43a8ce30d7f7b0798b82f32d235a06af5cdbb6ab6c
Formbook
4072ef77c0ab086cc41e0e997d147b0bf5e8473db4c34eaa4a9024fc7207c18c
Formbook
649e67dfa9829d849ab0e2e5dd9c40702dbb89cf5a8a02ad111c5f2df79c411f
Formbook
939449a87190abf31d57482abe60fe159bd807abf7716daae0f0b3e217dba0d1
Formbook
b6f12247c9a7928280fc2f83e19792f3f3f099a9437d493877e59df36bd46a28
Formbook
d2f322cb15f591ef314eda3cb164f8ab0ca0048f89c8694cf9bc6ca39a2785fb
Formbook
f281fed414237c484d936802d8bc112995ba6df5c9485207a284b8fc31edf2e6
Formbook
+ 16'567 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:r83r rat spyware stealer trojan
Link:
https://tria.ge/reports/221008-tynmcsfbck/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/eaa5239a-f84b-49a6-abe1-23c62b04f903
Unpacked files
SH256 hash:
87450a9582b6c3dc190d5994101541e3e724299f37f77e6d3aa97a9a52f06475
MD5 hash:
848aa9ed8ecd57df81cda08602488407
SHA1 hash:
f6656bbfa9b64526fa12aa5ccb3d78c10f8c07d5
Detections:
XLoader
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/7692361d-a274-4016-b0d4-6c3a993cb21c/
Parent samples :
80321be28c272c05b337728c4098daf4ed9906160441c5cbcb57ca184d823a07
065b61d4c2dab941887441c1bd0c9028cb3f8bdaa3639f376e2dd5845c3984a4
cc8fab47732be49333428c71d3c6dfa04663cb9bb2bc388f0dbb2c303e067150
832ba5363bd145bbcc01871bf79726fe7d4cfe90d9f93d9cca64598887c91d38
3d9766bbf57730b0aa1d3d43a8ce30d7f7b0798b82f32d235a06af5cdbb6ab6c
3eca58af30a24d1b5697c4079be161499ec28e5ec399738619c640633b6d1781
SH256 hash:
ee9bbe8057d0c02d75ab7fee9bf71a0a687d091d7f7655018a94e8e9e9637a75
MD5 hash:
2f82a989a039d4ada0c6c1084f090991
SHA1 hash:
bb13280fb51da99e2cf266150498291afd25ab11
Link:
https://www.unpac.me/results/7692361d-a274-4016-b0d4-6c3a993cb21c/
SH256 hash:
835dc51920497c8a296d165bf622cb1626ae0ec94f01d9dfb26dd684268e7c40
MD5 hash:
40ebbf774390a54608f4f6864cb8ab67
SHA1 hash:
d48dc4ca33379014210560271fc20267b4aaa41a
Link:
https://www.unpac.me/results/7692361d-a274-4016-b0d4-6c3a993cb21c/
SH256 hash:
f17d16ca85834eb8f10bc0f3a800fb7703915ea7687bdfb298435b8d6977083d
MD5 hash:
38bab85340be382c02b43de586d7d4ed
SHA1 hash:
cf478862e838408a804b7a06c0dd7a08c14db31f
Link:
https://www.unpac.me/results/7692361d-a274-4016-b0d4-6c3a993cb21c/
SH256 hash:
5fbdcb76c77563ed3d729fdca3396169c54443253001cf9b1b6b75a0f75cdcb4
MD5 hash:
629c31e71cfa6aab7a62bef45298816c
SHA1 hash:
932da9270d08d3b97ad1fb75e3d3180481f91096
Link:
https://www.unpac.me/results/7692361d-a274-4016-b0d4-6c3a993cb21c/
SH256 hash:
e20ec8f3c957bcb6a194ef688bae8af2015cfffb20e7baf8b2114d7b70ade4ee
MD5 hash:
35cb29046968faca7f3f3b4463449b6c
SHA1 hash:
088c8c30ec1bece0a4b5bbfe3982b073f8b95598
Link:
https://www.unpac.me/results/7692361d-a274-4016-b0d4-6c3a993cb21c/
SH256 hash:
3eca58af30a24d1b5697c4079be161499ec28e5ec399738619c640633b6d1781
MD5 hash:
858f453d121bf6f774c58adcdf6a4872
SHA1 hash:
f3c3b734bdbc4cdf9c4b0990afb153cbbb74f48f
Link:
https://www.unpac.me/results/7692361d-a274-4016-b0d4-6c3a993cb21c/
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/3eca58af30a24d1b5697c4079be161499ec28e5ec399738619c640633b6d1781

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: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 3eca58af30a24d1b5697c4079be161499ec28e5ec399738619c640633b6d1781

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/317934/

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