MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b36891ab4a7fa6be1680a65614dd5551a3fa8a89052c381a954601eedd82e62c. 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: 17


Intelligence 17 IOCs YARA 2 File information Comments
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SHA256 hash: b36891ab4a7fa6be1680a65614dd5551a3fa8a89052c381a954601eedd82e62c
SHA3-384 hash: 9203fad3dcc1c6e7f4134d257cb42bb105d826fe15c84f5085de01833f7692dfcdc3b4b4a2388f39f0c2e9f61c502eee
SHA1 hash: 8dbc988c06f51cce14e4cc95717241fb1521fac6
MD5 hash: 33899614b3fe24bc02dfb4c1f84dabdc
humanhash: social-papa-fruit-oven
File name:f5G3iGDs25iJjZE.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'138'688 bytes
First seen:2022-03-17 11:59:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:e369+QVIUFEGtlpB97PpFf0esxYZFZfAn7MKycMxS:e3WHu7SlpP0esxYZf4ngKYS
Threatray 12'999 similar samples on MalwareBazaar
TLSH T1833523197BF49A26E1AF57F5E05309948FF4314A6107D79EEE82B4E40C637C80A2F16B
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
205
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
f5G3iGDs25iJjZE.exe
Verdict:
Malicious activity
Analysis date:
2022-03-18 03:24:06 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/d1eaac28-542b-4057-b11e-7286de655c94

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/251873/
Detection(s):
SecuriteInfo.com.Trojan.Siggen17.26954.10773.21839.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control.exe fareit keylogger obfuscated packed replace.exe shell32.dll
Link:
https://www.filescan.io/uploads/623322ca0cd58dbd92ae2843/reports/5109feb4-babd-4206-9902-1293ff299a7f/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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/827ef2ed-651e-4de7-b76d-7c605ea913c7
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/958650
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
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 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)
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: 591133 Sample: f5G3iGDs25iJjZE.exe Startdate: 17/03/2022 Architecture: WINDOWS Score: 100 31 www.wefundprojects.com 2->31 33 www.supplementstoreryp.com 2->33 35 7 other IPs or domains 2->35 37 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->37 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 9 other signatures 2->43 11 f5G3iGDs25iJjZE.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\...\f5G3iGDs25iJjZE.exe.log, ASCII 11->29 dropped 53 Tries to detect virtualization through RDTSC time measurements 11->53 55 Injects a PE file into a foreign processes 11->55 15 f5G3iGDs25iJjZE.exe 11->15         started        signatures6 process7 signatures8 57 Modifies the context of a thread in another process (thread injection) 15->57 59 Maps a DLL or memory area into another process 15->59 61 Sample uses process hollowing technique 15->61 63 Queues an APC in another process (thread injection) 15->63 18 explorer.exe 15->18 injected process9 process10 20 msdt.exe 18->20         started        23 autoconv.exe 18->23         started        signatures11 45 Self deletion via cmd delete 20->45 47 Modifies the context of a thread in another process (thread injection) 20->47 49 Maps a DLL or memory area into another process 20->49 51 Tries to detect virtualization through RDTSC time measurements 20->51 25 cmd.exe 1 20->25         started        process12 process13 27 conhost.exe 25->27         started       
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/b36891ab4a7fa6be1680a65614dd5551a3fa8a89052c381a954601eedd82e62c/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-03-17 12:07:03 UTC
File Type:
PE (.Net Exe)
Extracted files:
29
AV detection:
20 of 27 (74.07%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wnujdk2kp6tl4fuauzlbjxkvkgr7vcujauwdqguviya65xmc4ywa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
085716dfefcb862a1677484242f5e03be402875e1752717a9e9f6ce346120ea4
Formbook
2a4415721925c12ce8a80719697ffbda5daf88fe34804b0549bc5d5605790cdb
Formbook
2ceae7d4227b3dc96253c77943851ebb41fab14f6f07af4dadca597f82ebda67
Formbook
4892e9b8ed5aa57661e3a1fd4bc2d48570cd416af12ab88bbade473ede45c1ed
Formbook
780e7dce2d7bd0d03577dcfaf9f2c52a6cb755e1efb3213516c3159a2a324f3a
Formbook
7bd7078e492274101be1289e00a8c17c84a33a836257fe5038149d9e7ab3564e
Formbook
943206c8028ed79aa0aafefa101ffa5d3034cf92b82f705556f12cf0a7eb5a5c
Formbook
d8842d4c311c9e35f77ef0ee038f34061be70a55b38f949e0624d32e5a6a4212
Formbook
d89f28603b8948dd7217e42366328a6e9bd05d59e5de67a4c39f207f8a520d43
Formbook
+ 12'989 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:wdc8 loader rat
Link:
https://tria.ge/reports/220317-n6d51adcg8/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Unpacked files
SH256 hash:
d3ca3783db4188399ea2066aa9ca230c85a75bd547346b1d112219ca65a64bf9
MD5 hash:
5bf0df3cfd245af38deaef08677615a8
SHA1 hash:
a7b2107c1db7306089a298406d032456f3a302b3
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/dfaa9892-db44-4236-9e63-28d516a2daf6/
Parent samples :
4ba337aa0663470b85d2b1b97713a219ea8c5d7ee7f5795dfc9017ae2b123e47
e34c0a8218be6d3783e8cd61b8040b6b39004ad34e68c1cdb2f123b636e6b274
1b9a70f1049fb47db190512121def425ec88c6f007a70308ac63c4549ae78f77
2ceae7d4227b3dc96253c77943851ebb41fab14f6f07af4dadca597f82ebda67
fef3c1fc57689534161dd663bf1cb63d3f728dc87cad1eca4ea1780ff889d056
3356a1d5d011f9117000a3f5326a8eecc0fc0d9ba156af4f634891b19c63773b
d976d19fe98e25ad6fd2c13d26f7e46311feb08952a5913d00231806d6277c78
852d04f44d46f2a8f75ca8827232765a90c172da5f2e7d84acc919c41bc73856
9d144168607d4e6808be108cf349da625b911307dabab1ea645381a5473deb03
a70a717458c5147a02dca62c03c58d2e11e165180e683fa4755c719e6f9ad9c5
b36891ab4a7fa6be1680a65614dd5551a3fa8a89052c381a954601eedd82e62c
2bb47abc0ec7e4e48aa80d53e19056c6adbef6b1392b3816aa335364325870fb
02ad8318feb2f8ce745e2cefa321f18d19b7ad72085664371033fada68bd6b91
3b326d59a151e3500563ad4ce6c86228508d9295f54e71c8160aec088752c994
bb7f87209e05364542dc6536f26af0580d4b10a1d376abbc7ebd531c1d1ee046
SH256 hash:
566b551e22d3a13a44b5b55ee2ff52c2d5985a9da159e1f84e1fcc0c79ff97c1
MD5 hash:
08abb9e2853cd267da356de8d1b924ca
SHA1 hash:
da5eca2e78205dfb66bee46ac0157ad455722eb1
Link:
https://www.unpac.me/results/dfaa9892-db44-4236-9e63-28d516a2daf6/
SH256 hash:
f340f7dd0cfddb620da4ec6d875d86c4975945b3811e35df78fbe83425a055a0
MD5 hash:
1404e7a6d5a019e1d377da088750080f
SHA1 hash:
c8779974c37df14f181cf6f5045d3c133c07a929
Link:
https://www.unpac.me/results/dfaa9892-db44-4236-9e63-28d516a2daf6/
SH256 hash:
6ff21c090296e9fd3ec2b17e03e184e2396adf4013b2a4f4c9dea5bd7aff38f7
MD5 hash:
7c3fb3e3d91e338ae917c4cb46895e71
SHA1 hash:
ba577b8ccb3c6bbc5e9e3a838aec98859cd4dbaa
Link:
https://www.unpac.me/results/dfaa9892-db44-4236-9e63-28d516a2daf6/
SH256 hash:
b36891ab4a7fa6be1680a65614dd5551a3fa8a89052c381a954601eedd82e62c
MD5 hash:
33899614b3fe24bc02dfb4c1f84dabdc
SHA1 hash:
8dbc988c06f51cce14e4cc95717241fb1521fac6
Link:
https://www.unpac.me/results/dfaa9892-db44-4236-9e63-28d516a2daf6/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/b36891ab4a7f/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/b36891ab4a7fa6be1680a65614dd5551a3fa8a89052c381a954601eedd82e62c

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
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 b36891ab4a7fa6be1680a65614dd5551a3fa8a89052c381a954601eedd82e62c

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/251873/

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