MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1aeb38db4aa9f7758a8e63680f8c71f4f61df56c2045a8f029009a6c15f06722. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments
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SHA256 hash: 1aeb38db4aa9f7758a8e63680f8c71f4f61df56c2045a8f029009a6c15f06722
SHA3-384 hash: 65de9cbc1e952df52beb7311dbf2bc0226aa20e20cb5c4c726a77ddd903964ccc73687fdf03790549c06cc1775cc3f8c
SHA1 hash: e6a5c7723cb9675257d95d36ecb0c72892c9ed4c
MD5 hash: 0a9c33568666c88e722c9b0366b93afe
humanhash: kitten-arkansas-freddie-magazine
File name:0a9c33568666c88e722c9b0366b93afe.exe
Download: download sample
Signature Formbook
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File size:821'248 bytes
First seen:2021-11-03 19:24:34 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 12288:44z3XimqFHpHaQjtvNOrVzxRXndWwYsEXHa1ByuF7EzqZEJNLTPR0:vznimc6yvkrqw0XHa1ByuNNZEnbR0
Threatray 11'198 similar samples on MalwareBazaar
TLSH T1EA054820F35D49C9CAFC3734CF25D1B017A16C6E29108A5924F43DFBBABC6536631AA9
File icon (PE):PE icon
dhash icon e8e8e859ccf0b0f0 (11 x AgentTesla, 8 x Formbook, 4 x Loki)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
125
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
0a9c33568666c88e722c9b0366b93afe.exe
Verdict:
Suspicious activity
Analysis date:
2021-11-03 19:41:29 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/d5c331e3-7c25-4af4-92c9-3a3658e2f553

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/202012/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1092.25563.22679.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated
Link:
https://www.filescan.io/uploads/6182e213bf51178dbe4d6a92/reports/14740d6a-6a12-4d2c-8b63-b7f7ea9cc208/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/60818205-c5c8-43d2-8e07-87a2d33733b3
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/882584
Signature
.NET source code contains potential unpacker
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 signatures2 2 Behavior Graph ID: 515016 Sample: 31hGtwI4CD.exe Startdate: 03/11/2021 Architecture: WINDOWS Score: 100 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 Multi AV Scanner detection for submitted file 2->48 50 6 other signatures 2->50 9 31hGtwI4CD.exe 3 2->9         started        process3 file4 26 C:\Users\user\AppData\...\31hGtwI4CD.exe.log, ASCII 9->26 dropped 52 Tries to detect virtualization through RDTSC time measurements 9->52 13 31hGtwI4CD.exe 9->13         started        signatures5 process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 13->54 56 Maps a DLL or memory area into another process 13->56 58 Sample uses process hollowing technique 13->58 60 Queues an APC in another process (thread injection) 13->60 16 cmmon32.exe 13->16         started        19 explorer.exe 13->19 injected process8 dnsIp9 34 Self deletion via cmd delete 16->34 36 Modifies the context of a thread in another process (thread injection) 16->36 38 Maps a DLL or memory area into another process 16->38 40 Tries to detect virtualization through RDTSC time measurements 16->40 22 cmd.exe 1 16->22         started        28 givepy.info 192.0.78.24, 49823, 80 AUTOMATTICUS United States 19->28 30 www.givepy.info 19->30 32 2 other IPs or domains 19->32 42 System process connects to network (likely due to code injection or exploit) 19->42 signatures10 process11 process12 24 conhost.exe 22->24         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/1aeb38db4aa9f7758a8e63680f8c71f4f61df56c2045a8f029009a6c15f06722/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2021-11-03 09:27:09 UTC
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0bbec09890d31b79c26d2b175684426630f8b243c4a210cd919e54f35572bd80
Formbook
21aa20c4adfe3bea202c5e1d3915072546ee0b927060e02e8c57ffc54caef90a
Formbook
2ff7c84701eaf8b5865bb2716e8a8d0f0ae71ddf725b0330e6b88229585e2ad1
Formbook
5e529cbb901aced8a6af49250afd3d67e059d717d7ecf3edc32e18a9d549361c
Formbook
5fd22c8bf1e7e06ccaa6ebc23410086fe0e3bc30b1613cd6ee734f280c0d6979
Formbook
65acd8c73c518c97a1539bc8e3f62fb8f06431d7030c6cc1463c855aec0ec46f
Formbook
7c7e7d1ad3f8afd0ffcba163bac7c1df9ceb8202a96a61b30b697569e00051b0
Formbook
83708560ecc442b5b6dadbdf5af39ae4f1e843664c932a9de3eff1e38bf6d4a5
Formbook
8aa346b87c8d3d53fb5265cd0c04bbd3c8c978b7e1eb7b2e0958c078322d75e9
Formbook
be61aba2c5d56a20b50c5f4a682087840876fdf7504fbf5eb8ac56a0e572fb33
Formbook
+ 11'188 additional samples on MalwareBazaar
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:s18y rat spyware stealer trojan
Link:
https://tria.ge/reports/211103-x4yw3aefa8/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.agentpathleurre.space/s18y/
Unpacked files
SH256 hash:
8ec7e57c64cc5ef3e2f0c03182817fb04abc6262d56cdb633df8cea09a3af976
MD5 hash:
9c7b1fcacdaf197bee3f22e0f1033687
SHA1 hash:
49833d5e862101577012dea72248c7fb2c81089e
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/f2ebc6a9-ea3c-492c-8ae7-214b9de710a7/
Parent samples :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 hash:
110a28b39b1e0840684110fa77a580effce50755cb865ce9df566f1fff308d05
MD5 hash:
17d644e87b9923fb2a0ed51e7594d82f
SHA1 hash:
863600e4908ebd4ed26285e210d983d04399e600
Link:
https://www.unpac.me/results/f2ebc6a9-ea3c-492c-8ae7-214b9de710a7/
SH256 hash:
e4e241cdb00fe7bb2dde2bd12c68b4a487707212edef4aa7ffccdacbbbb8e8cc
MD5 hash:
90e43c91196490eb399e74b272a35a9a
SHA1 hash:
7c720ec87806ce11cd8616087daad6c94482a1b9
Link:
https://www.unpac.me/results/f2ebc6a9-ea3c-492c-8ae7-214b9de710a7/
SH256 hash:
1aeb38db4aa9f7758a8e63680f8c71f4f61df56c2045a8f029009a6c15f06722
MD5 hash:
0a9c33568666c88e722c9b0366b93afe
SHA1 hash:
e6a5c7723cb9675257d95d36ecb0c72892c9ed4c
Link:
https://www.unpac.me/results/f2ebc6a9-ea3c-492c-8ae7-214b9de710a7/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/1aeb38db4aa9f7758a8e63680f8c71f4f61df56c2045a8f029009a6c15f06722

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
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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.

Web download

Formbook

Executable exe 1aeb38db4aa9f7758a8e63680f8c71f4f61df56c2045a8f029009a6c15f06722

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/202012/
  
URLhaus
https://urlhaus.abuse.ch/url/1705857/
  
Delivery method
Distributed via web download

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