MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 92c90d735148f7fd056e2d53bf44239f3fdab6b029e78d3ed6077d9c7f40aef2. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 92c90d735148f7fd056e2d53bf44239f3fdab6b029e78d3ed6077d9c7f40aef2
SHA3-384 hash: d4d599f1004e96433ccc84f2721cd0a334bb08ea6f3151d8ba936940cd35587f1112be2b33f791722f64005cc8565084
SHA1 hash: 4e188e851f36fe716494fc805039b4f30f0b3c96
MD5 hash: 3b2d25157b1d79ec200db1564b696bc8
humanhash: early-gee-north-georgia
File name:3b2d25157b1d79ec200db1564b696bc8.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:502'272 bytes
First seen:2021-09-27 08:32:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'647 x AgentTesla, 19'450 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:jdfIF/OrA6AxkIU/wkBXN7i0+BiS817uqJ/sCkTiDV:jdIFEE8Ykxwa99kTi
Threatray 9'650 similar samples on MalwareBazaar
TLSH T19DB4E02DA07CEB1ECECFC2BBB0511A1D6948E5C2B389C544AB9750F4A65CB7A07458CF
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
172
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
3b2d25157b1d79ec200db1564b696bc8.exe
Verdict:
Suspicious activity
Analysis date:
2021-09-27 08:40:05 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/29e53ef0-2a3a-464a-96df-bd266b6b48ec

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/191976/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1048-2.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3501f6dd-c4d5-40e4-a824-aa839b3f5db6
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/858816
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 491243 Sample: OxUI6LX15W.exe Startdate: 27/09/2021 Architecture: WINDOWS Score: 100 31 www.sweetsiri.com 2->31 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 7 other signatures 2->45 11 OxUI6LX15W.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\OxUI6LX15W.exe.log, ASCII 11->29 dropped 57 Tries to detect virtualization through RDTSC time measurements 11->57 15 OxUI6LX15W.exe 11->15         started        signatures6 process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 15->59 61 Maps a DLL or memory area into another process 15->61 63 Sample uses process hollowing technique 15->63 65 Queues an APC in another process (thread injection) 15->65 18 explorer.exe 15->18 injected process9 dnsIp10 33 www.lanyard-for-keys.com 18->33 35 www.deliciten.com 18->35 37 deliciten.com 34.98.99.30, 49815, 80 GOOGLEUS United States 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 help.exe 18->22         started        signatures11 process12 signatures13 49 Self deletion via cmd delete 22->49 51 Modifies the context of a thread in another process (thread injection) 22->51 53 Maps a DLL or memory area into another process 22->53 55 Tries to detect virtualization through RDTSC time measurements 22->55 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/92c90d735148f7fd056e2d53bf44239f3fdab6b029e78d3ed6077d9c7f40aef2/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-09-27 08:32:15 UTC
AV detection:
17 of 45 (37.78%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
043b45f9d94820186d7324c5f6e0fd7661de15ad29104fd43294e2f3839efa06
Formbook
2ac830fd4c5c4c3522b5cb9983edc13f2580b932875bc9daeb02633b8829fb3b
Formbook
49d82a6b19fe35893b419696bace48db225826ccfa73da61ca22f59f7f045406
Formbook
4c5887639c1dfcc0349690d98e9c8034029a6fa2f2e6bdbba96371bf23ce3301
Formbook
581490b0a14adee57f1862645ccf257d1db7720d31ba7a8b58756f1a11672223
Formbook
6bb763ffd1ca484344f2a02df3f9e6bddc18a0f1fcd5d58002ad16b82b36db90
Formbook
6fd5dbec01eb7f767fc3b4046d9aa50f80e50f5ab9439480efb87620faef473c
Formbook
7024147e75938acd54b804df172c63b57c794e1980632c5f8190ae1e9d0da82a
Formbook
7e647d064a55731e15f05904b636037d2339e84ca425f53cf752004cd8797468
Formbook
972f5e016ffc306524d7083a5a5058ba8b5fc60f3db9f3c0915db59c0523a487
Formbook
+ 9'640 additional samples on MalwareBazaar
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:bckt rat spyware stealer trojan
Link:
https://tria.ge/reports/210927-kfa4wagbe7/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.picnictablecompany.com/bckt/
Unpacked files
SH256 hash:
7d7501fb22cb18f10bfac1575359ff3a7e9ba934985a8184d02e5a26a3c4801d
MD5 hash:
4c1f6f8f4bf9678c49d6ea74baca3576
SHA1 hash:
3209fc3defa6d9eeb8ed06fe8cbcf6a69c84c782
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/016382c3-2d3f-41fc-bb51-72bdf7bb3824/
Parent samples :
7024147e75938acd54b804df172c63b57c794e1980632c5f8190ae1e9d0da82a
4c5887639c1dfcc0349690d98e9c8034029a6fa2f2e6bdbba96371bf23ce3301
2ac830fd4c5c4c3522b5cb9983edc13f2580b932875bc9daeb02633b8829fb3b
043b45f9d94820186d7324c5f6e0fd7661de15ad29104fd43294e2f3839efa06
92c90d735148f7fd056e2d53bf44239f3fdab6b029e78d3ed6077d9c7f40aef2
c7ea020c54d4ce9a629d57feb15e38fac8457b14221386111ef022735e375d13
5be742e9644f86ef1d407e5b3e85dff6211561e6dbf9c9fc85b0c5289b899979
SH256 hash:
f3b35cd9f06e4fdd9a966b342bf7e1a0be082d95ede907982ac647f4ec3791c9
MD5 hash:
5f244691be93e37ee964bc898d1b8e88
SHA1 hash:
e22acfcc8b7bce1d464a4aa8e0ed83418925a133
Link:
https://www.unpac.me/results/016382c3-2d3f-41fc-bb51-72bdf7bb3824/
SH256 hash:
b12d7dc2bb5285faa2d7e0694d1ba87eb51b986eea21a2e709bde1818b67e1be
MD5 hash:
7533faf23b8ddf3bed38501532cf7b17
SHA1 hash:
db3ef936f7051b59cab4677fe0ea19bbab50f851
Link:
https://www.unpac.me/results/016382c3-2d3f-41fc-bb51-72bdf7bb3824/
SH256 hash:
efd2f7657839b252c2fb8489c1ccf610b8e57b471efe049de86a74bc1506775d
MD5 hash:
c3f3e4a9e9ab54bf847a9fc02e7a2160
SHA1 hash:
0853bec33e36ede763927cda0f03129ca763bc07
Link:
https://www.unpac.me/results/016382c3-2d3f-41fc-bb51-72bdf7bb3824/
SH256 hash:
92c90d735148f7fd056e2d53bf44239f3fdab6b029e78d3ed6077d9c7f40aef2
MD5 hash:
3b2d25157b1d79ec200db1564b696bc8
SHA1 hash:
4e188e851f36fe716494fc805039b4f30f0b3c96
Link:
https://www.unpac.me/results/016382c3-2d3f-41fc-bb51-72bdf7bb3824/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/92c90d735148f7fd056e2d53bf44239f3fdab6b029e78d3ed6077d9c7f40aef2

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: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.

Web download

Formbook

Executable exe 92c90d735148f7fd056e2d53bf44239f3fdab6b029e78d3ed6077d9c7f40aef2

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1583603/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1599707/
Cape
Cape
https://www.capesandbox.com/analysis/191976/

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