MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 23167788c852b1f093cfcaf4b9421b1c62a195c4425cef2c9fc066b42417d8e9. 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: 23167788c852b1f093cfcaf4b9421b1c62a195c4425cef2c9fc066b42417d8e9
SHA3-384 hash: 6e934ad3ec05948f270869d81aaca6876edd007c1a665f8d3ae1ea385b1c3b8a5f75daeb60f7eb12d304deda25326b14
SHA1 hash: 7b2154522e5696a71840feaac92c41bdafca61d3
MD5 hash: 2099520bdd2450bb040c5343910228de
humanhash: bakerloo-north-freddie-mobile
File name:PO-371240523.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:775'168 bytes
First seen:2023-05-31 13:39:13 UTC
Last seen:2023-05-31 14:29:18 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:bf5vAMTihh6xhZ6OrVXjTj6JMki+t3an1/Ys032XPXs8wFHojozEPKlO/1Zx7G:OMUgh8y9GJZi+t3+1gs0m/s8bwEKi1Zx
Threatray 3'146 similar samples on MalwareBazaar
TLSH T10CF4F1298FBE462AC97F77BDA570503052FCD6081827D3AD4B42347FDC2AF70A9611A6
TrID 61.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.1% (.SCR) Windows screen saver (13097/50/3)
8.9% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
275
Origin country :
US US
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
PO-371240523.exe
Verdict:
Malicious activity
Analysis date:
2023-05-31 13:39:32 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/5e641d88-3e9d-46ed-8bb9-219e32361266

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/394123/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.2068.14753.17681.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Searching for synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook packed
Link:
https://www.filescan.io/uploads/64774e3314dc34a2c279b0d0/reports/12aedee4-d7e8-4802-80ef-d3b25819da9d/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/23167788c852b1f093cfcaf4b9421b1c62a195c4425cef2c9fc066b42417d8e9
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/50d4ca8b-7aca-4013-bfe7-6da810e08665
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1246156
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
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
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 879172 Sample: PO-371240523.exe Startdate: 31/05/2023 Architecture: WINDOWS Score: 100 38 Snort IDS alert for network traffic 2->38 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 6 other signatures 2->44 10 PO-371240523.exe 3 2->10         started        process3 file4 30 C:\Users\user\...\PO-371240523.exe.log, ASCII 10->30 dropped 54 Tries to detect virtualization through RDTSC time measurements 10->54 14 PO-371240523.exe 10->14         started        signatures5 process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 14->56 58 Maps a DLL or memory area into another process 14->58 60 Sample uses process hollowing technique 14->60 62 Queues an APC in another process (thread injection) 14->62 17 explorer.exe 1 14->17 injected process8 dnsIp9 32 www.lieblingsmusik.events 92.204.239.108, 49717, 80 VELIANET-ASvelianetInternetdiensteGmbHDE Germany 17->32 34 www.loiioo1.site 75.2.115.196, 49718, 80 AMAZON-02US United States 17->34 36 2 other IPs or domains 17->36 46 System process connects to network (likely due to code injection or exploit) 17->46 21 control.exe 17->21         started        24 autofmt.exe 17->24         started        signatures10 process11 signatures12 48 Modifies the context of a thread in another process (thread injection) 21->48 50 Maps a DLL or memory area into another process 21->50 52 Tries to detect virtualization through RDTSC time measurements 21->52 26 cmd.exe 1 21->26         started        process13 process14 28 conhost.exe 26->28         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/23167788c852b1f093cfcaf4b9421b1c62a195c4425cef2c9fc066b42417d8e9/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-05-31 09:42:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
20 of 37 (54.05%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=emlhpcgikky7be6pzl2lsqq3drrkdfoeijoo6le7ybtlijax3duq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
202494911805344069ceb189e70db6f89e17f55febe24dc4f42b3736c5b457a4
Formbook
3b3d92018cb4be5a3223c8b556bb8a1c817e0cbc2188b6500cbc2d4dd6d13658
Formbook
4c3bf7999d35b0d04557e6887c768432fc819560b012a82ad029d8da1bb2af87
Formbook
6f75073132ca19d3880c0ac27a6d885d6f18f7c1b2650da13aeb84e5061acbb1
Formbook
72c2552dacff5e958ac6ba324ad741bd87449ef251b001b17d604112466809e0
Formbook
8b9b4554d46648efea2506ba7681c66e8b7eb9d35e6f7ff73f30d91ad09e6f79
Formbook
aaddffb20e26092a85aa566936443dd5ca8e70a8f1e5456355d81882dbc7b856
Formbook
e4f3aa1d60e49f6b486a6fb5f5c5cf70299b12b6eb30556ce30c69c29d818c01
Formbook
e7257b2ef7c6b3b168ad3671313943edd71572ac24421d765890a878a67556bb
Formbook
f2168fe0192cc2c215eb36164e3f646177934df2681703551ac90ab73875f37d
Formbook
+ 3'136 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:ca82 rat spyware stealer trojan
Link:
https://tria.ge/reports/230531-qyh54afg3y/
Behaviour
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
Deletes itself
Blocklisted process makes network request
Formbook payload
Formbook
Unpacked files
SH256 hash:
8d9ec9ee42f7b649e8e0504fb3c4bce38055d1fce6e15eb58772a762f99b411e
MD5 hash:
4d9fd10f8cc78f08e68c5ce7a5e56cd5
SHA1 hash:
c135809decb8b72f39308c256ac47216321aed36
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/877afdf3-043c-4bb2-8f73-fed980fd68a9/
Parent samples :
bca5d8c8e6b1abbf2f9ed462fda3dc22c4f3b37ef2bd6f2bd6772c00fe7dc1af
34834d278c8c71e3cc9d152c073cc444781465c285648630a1be19afab1abd24
23167788c852b1f093cfcaf4b9421b1c62a195c4425cef2c9fc066b42417d8e9
6980c552a8fccf4806027dc577cb1be5dd3e12612053494ce81ba528667ddd9f
SH256 hash:
c440617e04a50ced73c8ab992cbe8d8954a3e41f21f046ee9d1f2a41ea9b416d
MD5 hash:
9390df6c9a6111978dee5414bc42eda6
SHA1 hash:
d3cb1c366b9e466afa93eb369838a04d30777795
Link:
https://www.unpac.me/results/877afdf3-043c-4bb2-8f73-fed980fd68a9/
SH256 hash:
b845298489a78c7d66ba9e106de1606e64f9104b2fedc756ebe22275dbee8634
MD5 hash:
9e4440f3a14a5099078ddb26d3fef08d
SHA1 hash:
80c47af8fa3ccfabbb1ec79e7f7b03c19b337dbf
Link:
https://www.unpac.me/results/877afdf3-043c-4bb2-8f73-fed980fd68a9/
SH256 hash:
1c2cb980fcdd0a9e477d86de77c6db0f30755fa9ebafc81586de192b9e5d1b93
MD5 hash:
93e13d9b907b687208129388ce3566bc
SHA1 hash:
76b0dc45ec31fff834cb63c66f3267da631583be
Link:
https://www.unpac.me/results/877afdf3-043c-4bb2-8f73-fed980fd68a9/
SH256 hash:
74c45df815f14075c993fe8fff37a6b0e41ceca0a10fbf597d6d463799cb7cdd
MD5 hash:
464788fc9cb87d5abd4af58bfa58865b
SHA1 hash:
4ca0387b859cff25425829ea67fd09fa4538f04a
Link:
https://www.unpac.me/results/877afdf3-043c-4bb2-8f73-fed980fd68a9/
SH256 hash:
23167788c852b1f093cfcaf4b9421b1c62a195c4425cef2c9fc066b42417d8e9
MD5 hash:
2099520bdd2450bb040c5343910228de
SHA1 hash:
7b2154522e5696a71840feaac92c41bdafca61d3
Link:
https://www.unpac.me/results/877afdf3-043c-4bb2-8f73-fed980fd68a9/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/23167788c852/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.61
Link:
https://yomi.yoroi.company/submissions/23167788c852b1f093cfcaf4b9421b1c62a195c4425cef2c9fc066b42417d8e9

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
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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/394123/

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