MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 273926da6d093735ef6ce3c40741adeb2f0e0259205cda50ace55484a11d06cd. 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 16 File information Comments
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SHA256 hash: 273926da6d093735ef6ce3c40741adeb2f0e0259205cda50ace55484a11d06cd
SHA3-384 hash: 2c63133b23858a515a27e18d3ec19bbf04e25aaa7f34d8ce41d416f032624bc4b185e7720958448a01a6f7e3fe6d4f62
SHA1 hash: 9494feeceb358a3ff52b600c1af5bf0af372cc30
MD5 hash: 96f74f886a5f95101a2caf322a78f5f5
humanhash: mars-one-mirror-video
File name:SecuriteInfo.com.Trojan.Inject4.59820.26645.23390
Download: download sample
Signature Formbook
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File size:636'416 bytes
First seen:2023-11-28 04:15:26 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 12288:kaiCid7BR6wTuHRbcEaAd2xWSHsMIh2xp/+qg6onItRAKdiUOq3JG:kpCipBubaUQHL82xkqg6byKdT5G
TLSH T189D4F0C3766D5FB8E83303F6612A5F200B7090EA6532E2891DC177D635D5BC0AA51EEB
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
309
Origin country :
FR FR
Vendor Threat Intelligence
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/460828/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
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SecuriteInfo.com.Trojan.Inject4.59820.26645.23390.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6565698316b73d86372294ad/reports/91a7f0d6-10dd-4ca5-b061-3b253224d04e/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/273926da6d093735ef6ce3c40741adeb2f0e0259205cda50ace55484a11d06cd
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/a18f879c-b3ae-443c-929d-0d848621453b
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1349031
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
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)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/273926da6d093735ef6ce3c40741adeb2f0e0259205cda50ace55484a11d06cd
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/273926da6d093735ef6ce3c40741adeb2f0e0259205cda50ace55484a11d06cd/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2023-11-28 01:18:18 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
22 of 36 (61.11%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=e44snwtnbe3tl33m4pcaoqnn5mxq4aszebonuufm4vkijii5a3gq._file
Verdict:
malicious
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:el28 rat spyware stealer trojan
Link:
https://tria.ge/reports/231128-evs1cafc5s/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
3671ea8ec5896f31650c97091e484a616b7d276d2e7ad3a7518a3160f9cc9fb9
MD5 hash:
a27983d5bcc3bb0d8128f54e3ebe4c70
SHA1 hash:
622484b49fac644623098bea37bc7b00f7119ca3
Detections:
FormBook
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win_formbook_w0
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win_formbook_auto
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win_formbook_g0
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Formbook
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Link:
https://www.unpac.me/results/15679362-f61d-445e-8727-cb177fb81d48/
Parent samples :
8195afbce4ef411cd0b1ac7cc27e3d66b575df16a5433b60aa0e7a3529f465ef
273926da6d093735ef6ce3c40741adeb2f0e0259205cda50ace55484a11d06cd
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
Link:
https://www.unpac.me/results/15679362-f61d-445e-8727-cb177fb81d48/
SH256 hash:
2a0290a662e89a81ed2d9c73e54a0aeba209fc36617f134cf0aaa74690db47db
MD5 hash:
4820945deb84d6bd26460e8a6ba0c622
SHA1 hash:
c519540ad21594fa45fcc2e6e15cfbea8b3449b9
Link:
https://www.unpac.me/results/15679362-f61d-445e-8727-cb177fb81d48/
SH256 hash:
1324dba81353a2a749b8f8cab60ba1cdf1853499b67b9622f1c67914097b7706
MD5 hash:
ff1e6a5cba9ef2c96a7d3f33d59a647e
SHA1 hash:
8a54ba453af682c8b6bc0b2e0fc64cbb86d68fe2
Link:
https://www.unpac.me/results/15679362-f61d-445e-8727-cb177fb81d48/
SH256 hash:
273926da6d093735ef6ce3c40741adeb2f0e0259205cda50ace55484a11d06cd
MD5 hash:
96f74f886a5f95101a2caf322a78f5f5
SHA1 hash:
9494feeceb358a3ff52b600c1af5bf0af372cc30
Link:
https://www.unpac.me/results/15679362-f61d-445e-8727-cb177fb81d48/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/273926da6d09/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.80
Link:
https://yomi.yoroi.company/submissions/273926da6d093735ef6ce3c40741adeb2f0e0259205cda50ace55484a11d06cd

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:AgentTesla_DIFF_Common_Strings_01
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Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:DebuggerCheck__GlobalFlags
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Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
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Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
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Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
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Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
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Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
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Author:Willi Ballenthin
Rule name:NET
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Author:malware-lu
Rule name:pe_imphash
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Rule name:pe_no_import_table
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Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
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Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
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Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
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Author:phoul (@phoul)
Description:Look for SHA1 constants
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.

Cape
Cape
https://www.capesandbox.com/analysis/460828/

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