MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e1589588b95e03844e0f5ccae574e722d68351c867b8535cd3df9467d381cdbb. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments 1
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SHA256 hash: e1589588b95e03844e0f5ccae574e722d68351c867b8535cd3df9467d381cdbb
SHA3-384 hash: 5b3d521bcd477ba2214b391d1500cab823802e62fb4ba1c1994697dba84f0110ff56e4662a2a947ffa41d8063885496a
SHA1 hash: b3b4a8cc0996a25324c2252bcdbccb89b6189986
MD5 hash: 96a57f972a1b847e6a6115ca4733d85e
humanhash: shade-march-burger-tennessee
File name:96a57f972a1b847e6a6115ca4733d85e
Download: download sample
Signature Formbook
Create hunting rule
File size:944'640 bytes
First seen:2022-03-14 20:14:55 UTC
Last seen:2022-03-14 22:41:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:GaB3dPPLu05qqcusFrQRUfV0GqNgAOOQbPLz39hzA:GaB3NPLuwqqcr/tgWRb1hzA
Threatray 15'181 similar samples on MalwareBazaar
TLSH T1E215E1A03E197FD2E5399BF4006B466E83F3296A2F13D53A1FF02DCB041EF119566A16
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
181
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/250429/
Detection(s):
SecuriteInfo.com.Trojan.Siggen17.25309.23283.16220.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Creating a file
Launching cmd.exe command interpreter
Forced shutdown of a system process
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated packed replace.exe update.exe
Link:
https://www.filescan.io/uploads/622fa251dfdfa8501c9fd082/reports/2d2ae163-a929-4c03-990f-3dd4f3068846/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/4b2a8430-754f-41d5-a640-0ab8aa793985
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/956520
Signature
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Suspicious Add Scheduled Task From User AppData Temp
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 589002 Sample: lrWXxJX7nD Startdate: 14/03/2022 Architecture: WINDOWS Score: 100 44 www.duplocreativo.com 2->44 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Antivirus detection for URL or domain 2->50 52 10 other signatures 2->52 10 lrWXxJX7nD.exe 7 2->10         started        signatures3 process4 file5 36 C:\Users\user\AppData\RoamingurFDlYb.exe, PE32 10->36 dropped 38 C:\Users\...urFDlYb.exe:Zone.Identifier, ASCII 10->38 dropped 40 C:\Users\user\AppData\Local\...\tmp6473.tmp, XML 10->40 dropped 42 C:\Users\user\AppData\...\lrWXxJX7nD.exe.log, ASCII 10->42 dropped 60 Uses schtasks.exe or at.exe to add and modify task schedules 10->60 62 Writes to foreign memory regions 10->62 64 Allocates memory in foreign processes 10->64 66 2 other signatures 10->66 14 RegSvcs.exe 10->14         started        17 RegSvcs.exe 10->17         started        19 powershell.exe 25 10->19         started        21 2 other processes 10->21 signatures6 process7 signatures8 68 Modifies the context of a thread in another process (thread injection) 14->68 70 Maps a DLL or memory area into another process 14->70 72 Sample uses process hollowing technique 14->72 74 Queues an APC in another process (thread injection) 14->74 23 chkdsk.exe 14->23         started        26 explorer.exe 14->26 injected 76 Tries to detect virtualization through RDTSC time measurements 17->76 28 conhost.exe 19->28         started        30 conhost.exe 21->30         started        process9 signatures10 54 Modifies the context of a thread in another process (thread injection) 23->54 56 Maps a DLL or memory area into another process 23->56 58 Tries to detect virtualization through RDTSC time measurements 23->58 32 cmd.exe 1 23->32         started        process11 process12 34 conhost.exe 32->34         started       
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/e1589588b95e03844e0f5ccae574e722d68351c867b8535cd3df9467d381cdbb/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-03-14 11:38:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
21 of 27 (77.78%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
085716dfefcb862a1677484242f5e03be402875e1752717a9e9f6ce346120ea4
Formbook
15e4f50b213a1cc5545dd4a173eabfed7f2ea6019117fdc374ef1514632bdb55
Formbook
48f6e66bd79f4963bd12037988a93f1708a63e4caa7e17a0ba7cc11fdb90076b
Formbook
9b989810b625c75d2d669edbb692f4bfd55684f71f3c082e80609ee68e4fe06f
Formbook
c8781b8dca56fa093b3df95c16360b2dc381eadb10b4f9055e11b39f34284749
Formbook
dce5f044b1f4396f33c3574667169dcbdeb3aebb037c9f53d7a8c38e095f576d
Formbook
e146d9fee7645fc19d995f9d018cac7d0070acf5399128b8435e8532df423921
Formbook
e321bd433e6e630bb69b21c80533446717274fd02eb74e74670934f5cc7e145c
Formbook
+ 15'171 additional samples on MalwareBazaar
Result
Malware family:
xloader
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Score:
  10/10
Tags:
family:xloader campaign:e3b2 loader rat
Link:
https://tria.ge/reports/220314-y1k2gabhh3/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Xloader Payload
Xloader
Unpacked files
SH256 hash:
5b7da029d64cea05a37737af6d68281d089430389f07168b6d4caa83792cc675
MD5 hash:
6cd61188afd9a9597b61c5431eee062d
SHA1 hash:
3e580950318104d6db7f4fe9e4ba26c4a88d4a0a
Link:
https://www.unpac.me/results/04a05738-57a2-4e9b-a712-b9771b660aeb/
SH256 hash:
9946b936919a870d5b38035f364a3b92bbed755c982dcc604bdcc5906a453293
MD5 hash:
d04965ea072e61e9c0fa11cb4c110cd8
SHA1 hash:
8c536ec10c0cb3b81afdd3cf67b5d1ea2c18c699
Link:
https://www.unpac.me/results/04a05738-57a2-4e9b-a712-b9771b660aeb/
SH256 hash:
7bec9ede0248a7b8c85b18fce3ea20a609c8ec9d4b03f883b845ec6602330004
MD5 hash:
ba5f4469734b2796fef371ae21e04f1d
SHA1 hash:
fa97e828b36a7108850304e9a7c7ee78ae214379
Link:
https://www.unpac.me/results/04a05738-57a2-4e9b-a712-b9771b660aeb/
SH256 hash:
47961333cfc58da6077f142c814eb29fd3255aa4aae376203343a54c405d4dbb
MD5 hash:
ec3aa8521ef8038bcd6159baea11e65a
SHA1 hash:
15ef4bbc7160dc228de0ffeb21440eb20473265d
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/04a05738-57a2-4e9b-a712-b9771b660aeb/
Parent samples :
98b2ac6e4cdb537c352e38576d8506017a03acd5ef9dc62ffe20e893b0f05a73
f024c838fba1619082aacb508ffec28e994d1a918b680d1ec2b7681ad3a46433
e1589588b95e03844e0f5ccae574e722d68351c867b8535cd3df9467d381cdbb
739e94a41234bd028fae27705c6d0ff5d8d9925068384bcdfe4cdecc1fb36e4f
8fb567155619feef229141bb4a87119700061289822b50e682534a2051c5a4f8
SH256 hash:
e1589588b95e03844e0f5ccae574e722d68351c867b8535cd3df9467d381cdbb
MD5 hash:
96a57f972a1b847e6a6115ca4733d85e
SHA1 hash:
b3b4a8cc0996a25324c2252bcdbccb89b6189986
Link:
https://www.unpac.me/results/04a05738-57a2-4e9b-a712-b9771b660aeb/
Malware family:
XLoader
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/e1589588b95e/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/e1589588b95e03844e0f5ccae574e722d68351c867b8535cd3df9467d381cdbb

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.

Web download

Formbook

Executable exe e1589588b95e03844e0f5ccae574e722d68351c867b8535cd3df9467d381cdbb

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/250429/
  
URLhaus
https://urlhaus.abuse.ch/url/2096967/

Comments


Avatar
zbet commented on 2022-03-14 20:14:57 UTC

url : hxxp://198.23.213.16/554/vbc.exe