MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aaedbdb62b4df38b6c95bc44b7dd284a675d84db3bffafbf33cc5913c2073340. 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: 15


Intelligence 15 IOCs YARA 19 File information Comments
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SHA256 hash: aaedbdb62b4df38b6c95bc44b7dd284a675d84db3bffafbf33cc5913c2073340
SHA3-384 hash: b4146ed4700d9cc69b5cb253d6c52bc99694930f567765e5c24e85e88875d20b9e20ddc4ee64f720bdf6e50cd075e246
SHA1 hash: 845da27aba584b34affdbde56e6137a8e3689c6b
MD5 hash: 9bb9b14103f4f129cd6846b798f57b73
humanhash: gee-arkansas-pluto-alaska
File name:SecuriteInfo.com.Trojan.NSISX.Spy.Gen.24.14213.13511
Download: download sample
Signature Formbook
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File size:513'460 bytes
First seen:2023-11-10 01:18:35 UTC
Last seen:2023-11-13 08:35:27 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b76363e9cb88bf9390860da8e50999d2 (464 x Formbook, 184 x AgentTesla, 122 x SnakeKeylogger)
ssdeep 12288:o3Alt5xjIrx2mbk+tK8/HB55KHA4exQN1:uAl3xE2EkshU51
TLSH T1AAB423A299D4E8A7E3C2A734C53BE362C399DE400EAA33D297D017245D3C303BB95136
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
291
Origin country :
FR FR
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.NSISX.Spy.Gen.24.14213.13511.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control installer lolbin overlay packed shell32
Link:
https://www.filescan.io/uploads/654d8507b50c95575920e544/reports/207224d1-681f-45ba-9068-7ed6004c6154/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/aaedbdb62b4df38b6c95bc44b7dd284a675d84db3bffafbf33cc5913c2073340
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/64a166b5-51a6-4f2a-ae6b-7f2fe55073f0
Result
Threat name:
FormBook, NSISDropper
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1340159
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found malware configuration
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for domain / URL
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
Yara detected NSISDropper
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1340159 Sample: SecuriteInfo.com.Trojan.NSI... Startdate: 10/11/2023 Architecture: WINDOWS Score: 100 34 www.ytgrowthhub.com 2->34 36 www.thebuggyponcho.com 2->36 38 14 other IPs or domains 2->38 54 Snort IDS alert for network traffic 2->54 56 Multi AV Scanner detection for domain / URL 2->56 58 Found malware configuration 2->58 60 8 other signatures 2->60 12 SecuriteInfo.com.Trojan.NSISX.Spy.Gen.24.14213.13511.exe 17 2->12         started        signatures3 process4 file5 32 C:\Users\user\AppData\Local\Temp\tylpei.exe, PE32 12->32 dropped 15 tylpei.exe 12->15         started        process6 signatures7 70 Detected unpacking (changes PE section rights) 15->70 72 Maps a DLL or memory area into another process 15->72 74 Tries to detect virtualization through RDTSC time measurements 15->74 18 tylpei.exe 15->18         started        process8 signatures9 46 Modifies the context of a thread in another process (thread injection) 18->46 48 Maps a DLL or memory area into another process 18->48 50 Sample uses process hollowing technique 18->50 52 Queues an APC in another process (thread injection) 18->52 21 explorer.exe 36 1 18->21 injected process10 dnsIp11 40 www.hkbduidaausuy.com 103.224.212.214, 49712, 80 TRELLIAN-AS-APTrellianPtyLimitedAU Australia 21->40 42 www.cruises-95349.bond 104.247.82.92, 49722, 80 TEAMINTERNET-CA-ASCA Canada 21->42 44 7 other IPs or domains 21->44 62 System process connects to network (likely due to code injection or exploit) 21->62 25 WWAHost.exe 21->25         started        signatures12 process13 signatures14 64 Modifies the context of a thread in another process (thread injection) 25->64 66 Maps a DLL or memory area into another process 25->66 68 Tries to detect virtualization through RDTSC time measurements 25->68 28 cmd.exe 1 25->28         started        process15 process16 30 conhost.exe 28->30         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/aaedbdb62b4df38b6c95bc44b7dd284a675d84db3bffafbf33cc5913c2073340
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/aaedbdb62b4df38b6c95bc44b7dd284a675d84db3bffafbf33cc5913c2073340/
Threat name:
Win32.Trojan.Nsisx
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Status:
Malicious
First seen:
2023-11-10 00:08:40 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
13 of 38 (34.21%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vlw33nrljxzyw3evxrclpxjijjtv3bg3hp727pztzrmrhqqhgnaa._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:st58 rat spyware stealer trojan
Link:
https://tria.ge/reports/231110-bphqmsac94/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Executes dropped EXE
Loads dropped DLL
Formbook payload
Formbook
Unpacked files
SH256 hash:
699c8d76ae54afb8e500dcd376031594d3cf40a5079a8c1d0aa4e37a8ce914d7
MD5 hash:
02e5c5593b536198b4bc23bec43601fe
SHA1 hash:
6516700de5bc8e495a9c1f50dc31ebff27f50985
Detections:
FormBook
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win_formbook_w0
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win_formbook_auto
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win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/f965505e-1a1f-43ef-9e46-8f19768c4be9/
Parent samples :
8b2f4933b09675c064d43be29eedb0b1889a99d9fb2efe91af0abb7a61974e3f
aaedbdb62b4df38b6c95bc44b7dd284a675d84db3bffafbf33cc5913c2073340
b7de2f470abe5e75130db25cdeed3b64e1c7419e08bb66c7e5dde9fbf07670d3
818f9ba3c7565feb703c742d5e4a8134582cc419dbbf315df8e96a2eacc3b710
a4896d0356ab4cc0e13987f3b6ae12f40cb95e9ff8c677e9cf68eeda54438148
eea6a50b731c378e4ed72fb32ee7c2e6c15739a24e7ea742601e6b8a522785fe
06901d6c746ff7a68ff33d42ce284d242e7e996dc23e321d551f604f62453a4b
1706343fa1e062d467f9b599776e7db4507a58d605122ccfaed8faa4f5278c1c
9cbbfc870ca06ad6a9140714a7d96086f4b9d153c460b9941eab0d8a8092460c
dba7e341680ce85d5a6faffb271341125a079ba249ddcc78db2d3bbd74c5ceee
SH256 hash:
788162e6c8119c6325fb1f14c75bd6197785de933a7ed6c6c3d6a488a1eaa191
MD5 hash:
25216559273d8b43d71098558f764070
SHA1 hash:
c4aa23f4d1890d30d03796696b7cd050bcbcde64
Link:
https://www.unpac.me/results/f965505e-1a1f-43ef-9e46-8f19768c4be9/
SH256 hash:
aaedbdb62b4df38b6c95bc44b7dd284a675d84db3bffafbf33cc5913c2073340
MD5 hash:
9bb9b14103f4f129cd6846b798f57b73
SHA1 hash:
845da27aba584b34affdbde56e6137a8e3689c6b
Link:
https://www.unpac.me/results/f965505e-1a1f-43ef-9e46-8f19768c4be9/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/aaedbdb62b4d/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/aaedbdb62b4df38b6c95bc44b7dd284a675d84db3bffafbf33cc5913c2073340

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:Check_OutputDebugStringA_iat
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Rule name:DebuggerCheck__GlobalFlags
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
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:Formbook
Create hunting rule
Author:kevoreilly
Description:Formbook Payload
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Create hunting rule
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:meth_stackstrings
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Author:Willi Ballenthin
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
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:Windows_Trojan_Formbook
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Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
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Author:Elastic Security
Rule name:win_formbook_auto
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Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.
Rule name:win_formbook_w0
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Author:@malgamy12

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

rar 9c81f19ebfb4fae6821b3e26463805beb8e045a24e224a210e46d3ccb1010a29

Formbook

Executable exe aaedbdb62b4df38b6c95bc44b7dd284a675d84db3bffafbf33cc5913c2073340

(this sample)

  
Dropped by
SHA256 9c81f19ebfb4fae6821b3e26463805beb8e045a24e224a210e46d3ccb1010a29
  
Dropped by
MD5 cd76643b4225edbf5a1c064a3f0b9b68

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