MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e121e41abc24cd4a27ec0537679a24a0c8ab76bacbb4e7d636fff4b775a89cbd. 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: e121e41abc24cd4a27ec0537679a24a0c8ab76bacbb4e7d636fff4b775a89cbd
SHA3-384 hash: 026ba778b5a23948a39694c61f2cc11914ab03983f29abd867e5ee3cc0f956e08bafea9553b1ae96128b0098be3f0969
SHA1 hash: 135bc56ea54a1133055e102a0febef4b796d06cf
MD5 hash: 9c08d86c88ca7a12737a5a78f3a8ad22
humanhash: carolina-magnesium-triple-lamp
File name:ET3B30WFvUox72P.exe
Download: download sample
Signature Formbook
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File size:873'472 bytes
First seen:2022-12-12 10:39:39 UTC
Last seen:2022-12-12 12:57:05 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 12288:70wOZQA6qectxWsQvktczPlDxheXw9lE2kSBcLUNfkg586aWHff:74ectxPyztDxheATPkwB5O8f
TLSH T1B8053A60B1998905FF79C7FC36E1644A309A1DE0A8BD6CE44C6535C20E381C5EAF79EE
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter cocaman
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
184
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
ET3B30WFvUox72P.exe
Verdict:
Malicious activity
Analysis date:
2022-12-12 10:45:59 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/b68c852b-ca54-4556-92aa-b4bc1f7909a4

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/345398/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.64024948.10100.22589.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/639705069a505ad9423f2b1e/reports/566c6d47-c043-4690-9e4d-be7a33570d92/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/dc6a2f64-963b-47cf-8638-40233e0f33ea
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1132561
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Deletes itself after installation
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
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 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 dnsIp2 2 Behavior Graph ID: 765286 Sample: ET3B30WFvUox72P.exe Startdate: 12/12/2022 Architecture: WINDOWS Score: 100 24 www.0755lrfk.com 2->24 34 Malicious sample detected (through community Yara rule) 2->34 36 Antivirus detection for URL or domain 2->36 38 Multi AV Scanner detection for submitted file 2->38 40 6 other signatures 2->40 9 ET3B30WFvUox72P.exe 3 2->9         started        signatures3 process4 file5 22 C:\Users\user\...T3B30WFvUox72P.exe.log, ASCII 9->22 dropped 12 ET3B30WFvUox72P.exe 9->12         started        process6 signatures7 50 Modifies the context of a thread in another process (thread injection) 12->50 52 Maps a DLL or memory area into another process 12->52 54 Sample uses process hollowing technique 12->54 56 Queues an APC in another process (thread injection) 12->56 15 explorer.exe 12->15 injected process8 dnsIp9 26 www.guardify.ru 141.144.231.226, 49727, 49728, 80 ORCL-LON-OPC1GB Sweden 15->26 28 www.dkc010.com 141.193.156.186, 49723, 80 NETSEC-HKNETSECHK Hong Kong 15->28 30 4 other IPs or domains 15->30 32 System process connects to network (likely due to code injection or exploit) 15->32 19 cmstp.exe 13 15->19         started        signatures10 process11 signatures12 42 Tries to steal Mail credentials (via file / registry access) 19->42 44 Tries to harvest and steal browser information (history, passwords, etc) 19->44 46 Deletes itself after installation 19->46 48 2 other signatures 19->48
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e121e41abc24cd4a27ec0537679a24a0c8ab76bacbb4e7d636fff4b775a89cbd/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-12-03 12:56:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
24 of 26 (92.31%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4eq6igv4etguuj7mau3wpgreudekw5v2zo2opvrw772lo5nits6q._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:bmr1 rat spyware stealer trojan
Link:
https://tria.ge/reports/221212-mqjvwadh3y/
Behaviour
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
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/e241ecc6-54c0-41e1-9abb-a9bcee350a55
Unpacked files
SH256 hash:
ef16217780a46e8897e25a9c6118c3dd7d1b02cd14854bd34813f6fc6bcd51f3
MD5 hash:
87b6eff2a6e458d5286ffd81224c908b
SHA1 hash:
3ad8fbfab912ebc43a68fb776d3ddd247bd78a71
Detections:
XLoader
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win_formbook_auto
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win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/f18ebbae-bb76-4b07-8365-56f77d048b54/
Parent samples :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 hash:
8192266c229eac4675ff1fb94a0311d69f49a30ea8581fdf3066761c579fbc26
MD5 hash:
4e8cb27da9e9cd3c2600117a53055218
SHA1 hash:
b245bd33081e0605be93290302a6e4f3433d1e7d
Link:
https://www.unpac.me/results/f18ebbae-bb76-4b07-8365-56f77d048b54/
SH256 hash:
3624268b1bf67fd3f560f345e5171f3a2f8968a776c23816ea76fc0ef41b0f03
MD5 hash:
1619753b625e58c25b73fbf1f0bff482
SHA1 hash:
c0d7922bdbc10ef0ee1606a40c2dedd22cb180d4
Link:
https://www.unpac.me/results/f18ebbae-bb76-4b07-8365-56f77d048b54/
SH256 hash:
340ba2312d5cdfc3d89f3f35f627187dcb406e5afea134bc76b04f52f4285df3
MD5 hash:
85f9290aa8900e9fd74b01ee23125706
SHA1 hash:
310eb5e4aea5471b74a6385f1da283b9d8e3d698
Link:
https://www.unpac.me/results/f18ebbae-bb76-4b07-8365-56f77d048b54/
SH256 hash:
4cc1b0d4e09cbe8033ee38b82b6615ea2d2f72fc3b2f3caf0d9a573296fa704f
MD5 hash:
005eb24000d90b5545b1bbd5784fe522
SHA1 hash:
157133b63f6762867dc938d08965321d3de332d2
Link:
https://www.unpac.me/results/f18ebbae-bb76-4b07-8365-56f77d048b54/
SH256 hash:
294448cc84fc7214b7826a9c514a58e26f642f7bc8b3b80e173c6ec676f765d3
MD5 hash:
444c3a7f6f63438eae7906d4c0be2a99
SHA1 hash:
020039c60d6d96857d0b161f31ca5bc610f31371
Link:
https://www.unpac.me/results/f18ebbae-bb76-4b07-8365-56f77d048b54/
SH256 hash:
e121e41abc24cd4a27ec0537679a24a0c8ab76bacbb4e7d636fff4b775a89cbd
MD5 hash:
9c08d86c88ca7a12737a5a78f3a8ad22
SHA1 hash:
135bc56ea54a1133055e102a0febef4b796d06cf
Link:
https://www.unpac.me/results/f18ebbae-bb76-4b07-8365-56f77d048b54/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e121e41abc24/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.51
Link:
https://yomi.yoroi.company/submissions/e121e41abc24cd4a27ec0537679a24a0c8ab76bacbb4e7d636fff4b775a89cbd

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.

Malspam

Formbook

rar f459077bb3952f95afe32f7dc4e76efb08cadb0e24adc1337ee9d383dfa0fc32

Formbook

Executable exe e121e41abc24cd4a27ec0537679a24a0c8ab76bacbb4e7d636fff4b775a89cbd

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 f459077bb3952f95afe32f7dc4e76efb08cadb0e24adc1337ee9d383dfa0fc32
Cape
Cape
https://www.capesandbox.com/analysis/345398/
  
Dropped by
MD5 1510bf9d951b97ef470e487a599e4949

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