MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 62caaba34203175af55b13e862c3a185257dd2ca3d0727e88ff912d1a1829b32. 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 3 File information Comments
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SHA256 hash: 62caaba34203175af55b13e862c3a185257dd2ca3d0727e88ff912d1a1829b32
SHA3-384 hash: a69a7d2f5dcf228534a227400ced56c46231acea3972a9ee95ae35b0d07bdcf5545112fe67c8a903348897408c24736a
SHA1 hash: 29d4db65f4bcb47cc09cf3728605ccc4352268e9
MD5 hash: 11f26060d055cbd347628e3f527a5ead
humanhash: paris-spaghetti-quebec-enemy
File name:ixx1BxRUSVDETaU.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:929'792 bytes
First seen:2022-07-11 10:29:10 UTC
Last seen:2022-07-12 09:38:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:0/NQcAVthTh0eY2m7N/c0+hanrtygrYs:0WcAdjY266an5Ys
TLSH T13115E1CEE054E990E126053C35BEE3D451B1AC7AC9DC7DCEB9A1703D4AF0977242A6CA
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon f0ccf096c8f2ccf0 (15 x AgentTesla, 7 x Formbook, 5 x Loki)
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
3
# of downloads :
256
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
ixx1BxRUSVDETaU.exe
Verdict:
Malicious activity
Analysis date:
2022-07-11 19:32:39 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/01c6f3c8-441d-47dd-82d2-4e75ad7d4e76

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/286165/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.27028.11001.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62cbfbae22051a09ca717662/reports/b773f233-6008-4233-9062-fe6cdbd58874/overview
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/bfc11ea3-c2fc-4f6c-8251-4d78c6178233
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1028435
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Benign windows process drops PE files
C2 URLs / IPs found in malware configuration
Creates an undocumented autostart registry key
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
Performs DNS queries to domains with low reputation
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 detect virtualization through RDTSC time measurements
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: 660932 Sample: ixx1BxRUSVDETaU.exe Startdate: 11/07/2022 Architecture: WINDOWS Score: 100 43 Snort IDS alert for network traffic 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Antivirus detection for URL or domain 2->47 49 9 other signatures 2->49 10 ixx1BxRUSVDETaU.exe 3 2->10         started        process3 file4 35 C:\Users\user\...\ixx1BxRUSVDETaU.exe.log, ASCII 10->35 dropped 65 Tries to detect virtualization through RDTSC time measurements 10->65 67 Injects a PE file into a foreign processes 10->67 14 ixx1BxRUSVDETaU.exe 10->14         started        17 ixx1BxRUSVDETaU.exe 10->17         started        signatures5 process6 signatures7 69 Modifies the context of a thread in another process (thread injection) 14->69 71 Maps a DLL or memory area into another process 14->71 73 Sample uses process hollowing technique 14->73 75 Queues an APC in another process (thread injection) 14->75 19 explorer.exe 6 14->19 injected process8 dnsIp9 37 www.bittorrentsearchweb.org 103.224.182.210, 49802, 80 TRELLIAN-AS-APTrellianPtyLimitedAU Australia 19->37 39 www.barcanepal.org 103.224.212.222, 49852, 80 TRELLIAN-AS-APTrellianPtyLimitedAU Australia 19->39 41 21 other IPs or domains 19->41 31 C:\Users\user\AppData\...\xhjhefwhjjc.exe, PE32 19->31 dropped 33 C:\Program Files (x86)\...\xhjhefwhjjc.exe, PE32 19->33 dropped 51 System process connects to network (likely due to code injection or exploit) 19->51 53 Benign windows process drops PE files 19->53 55 Performs DNS queries to domains with low reputation 19->55 24 rundll32.exe 1 13 19->24         started        file10 signatures11 process12 signatures13 57 Creates an undocumented autostart registry key 24->57 59 Tries to steal Mail credentials (via file / registry access) 24->59 61 Tries to harvest and steal browser information (history, passwords, etc) 24->61 63 3 other signatures 24->63 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/62caaba34203175af55b13e862c3a185257dd2ca3d0727e88ff912d1a1829b32/
Threat name:
ByteCode-MSIL.Trojan.FormBook
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Status:
Malicious
First seen:
2022-07-11 09:12:40 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=mlfkxi2camlvv5k3cpugfq5bqusx3uwkhudsp2ep7ejndimctmza._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
xloader
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Score:
  10/10
Tags:
family:formbook family:xloader loader persistence rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220711-mjs5zagcdl/
Behaviour
Gathers network information
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
Drops file in Program Files directory
Suspicious use of SetThreadContext
Checks computer location settings
Deletes itself
Adds policy Run key to start application
Xloader payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
603d5301ad65ee1cf6e4917210b68da9d03ae786b6ca261c96d41bf84b93d189
MD5 hash:
fc325391141114a6a3927705153f69a3
SHA1 hash:
b24ebe35d751dbfcc1581525ec2adf96d8352f4f
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/37439da7-9845-4319-af23-160b9b787b90/
Parent samples :
4ece28a4229d41e763203acb8c66af294e5461b01de2c4e25daddab193dfe554
62caaba34203175af55b13e862c3a185257dd2ca3d0727e88ff912d1a1829b32
d7afd3ad1e23e16cb3c91351ce752984c0753cdf201bf2bbd3f9383a5f0ca760
3b35af72357dd7a40e3f4d878b05f21d99aee95ffa0b016465158723b4cd1e15
620279f8e14ad756e7d8e1e4442096ec53b47a927a25679c27781f1d9788244c
416f6e84e0825f1dd9aa5e80205c8b5f357dd1fd5e30add9f8dc2607a5d3b0f4
SH256 hash:
b7745058f84dd3f09548aa49a1da403d7201a518dad42b7c6b0f60db76a4d21f
MD5 hash:
25548c551385b7af496af747ddf63bd2
SHA1 hash:
4bf66a8a679995f6036c1f970acea647a6931db8
Link:
https://www.unpac.me/results/37439da7-9845-4319-af23-160b9b787b90/
SH256 hash:
0fae1855c65d635d55e5f6aa450d8c9f3bd63c5cb4ef8e7d6947757b6c4a812e
MD5 hash:
51b3e4f94acfd5f6febdeda4f4e09db3
SHA1 hash:
c526c72601e747287c80aebb4357e6091aa2a960
Link:
https://www.unpac.me/results/37439da7-9845-4319-af23-160b9b787b90/
SH256 hash:
2cf7b8ae86d97cf08d563e1ac7963139153a64852bf6e5b253594c2cfa0df827
MD5 hash:
200c708189f39bbcdd6f2153642d9559
SHA1 hash:
875350b78804a36454b3678e1aaef02b22ee3bfd
Link:
https://www.unpac.me/results/37439da7-9845-4319-af23-160b9b787b90/
SH256 hash:
883b63ef84c6b1cc09687962beca56e4f4b7960df7c5459e29998befaa3ccf15
MD5 hash:
ecb3f27eb8279c51608c8ea8f8050655
SHA1 hash:
82385d75444ab5fccacf37e2746c7dce73faa7f3
Link:
https://www.unpac.me/results/37439da7-9845-4319-af23-160b9b787b90/
SH256 hash:
62caaba34203175af55b13e862c3a185257dd2ca3d0727e88ff912d1a1829b32
MD5 hash:
11f26060d055cbd347628e3f527a5ead
SHA1 hash:
29d4db65f4bcb47cc09cf3728605ccc4352268e9
Link:
https://www.unpac.me/results/37439da7-9845-4319-af23-160b9b787b90/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/62caaba34203/report/overview.html
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/62caaba34203175af55b13e862c3a185257dd2ca3d0727e88ff912d1a1829b32

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:meth_get_eip
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Author:Willi Ballenthin
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 62caaba34203175af55b13e862c3a185257dd2ca3d0727e88ff912d1a1829b32

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/286165/

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