MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 88faa5aa9f7b5ec0c332eb9c1be6024c984240f61a40d27db64a5a88adb3cbdf. 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 3 File information Comments
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SHA256 hash: 88faa5aa9f7b5ec0c332eb9c1be6024c984240f61a40d27db64a5a88adb3cbdf
SHA3-384 hash: 84b42da0c18ec1946e2435411988d8ae38d0a8b604bbb0064f7392b5d7651b4310aad2d90c510f2427e479a3a10aba13
SHA1 hash: 13b03d523224b3965c766ec069fdf4bf231f7974
MD5 hash: 54ef089c3ce94a356cda446c250b8448
humanhash: april-double-network-ceiling
File name:SecuriteInfo.com.Trojan.DownLoader45.10203.9035.13310
Download: download sample
Signature Formbook
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File size:762'368 bytes
First seen:2022-08-12 00:28:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:xvpc++/WqL62h0b9NLeWvDV0NB2uw64s1bAhGM2TgN/0s:NpS+qWq0b98kEBQ6nAhQgi
TLSH T1EEF4AEAFAF8C040FCD618B71E84C81B99F65ACA13522DDEF79937836D5702AC961DE10
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
347
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
SecuriteInfo.com.Trojan.DownLoader45.10203.9035.13310
Verdict:
Malicious activity
Analysis date:
2022-08-12 00:31:34 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/83e7e8f6-5c38-4d22-a535-1bee651ef2ad

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/298110/
Detection(s):
SecuriteInfo.com.Trojan.DownLoader45.10203.9035.13310.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62f59ee1080024921b6bb711/reports/c0795241-2f98-40fc-ac01-a79259335667/overview
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/66ddcc3e-ac73-4bdc-b67e-a53af8801a69
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1050294
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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 dropped file
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 detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 682804 Sample: SecuriteInfo.com.Trojan.Dow... Startdate: 12/08/2022 Architecture: WINDOWS Score: 100 46 Malicious sample detected (through community Yara rule) 2->46 48 Antivirus detection for URL or domain 2->48 50 Multi AV Scanner detection for dropped file 2->50 52 9 other signatures 2->52 10 SecuriteInfo.com.Trojan.DownLoader45.10203.9035.exe 7 2->10         started        process3 file4 36 C:\Users\user\AppData\...\fJxeZGILEHZdht.exe, PE32 10->36 dropped 38 C:\...\fJxeZGILEHZdht.exe:Zone.Identifier, ASCII 10->38 dropped 40 C:\Users\user\AppData\Local\...\tmp4029.tmp, XML 10->40 dropped 42 SecuriteInfo.com.T....10203.9035.exe.log, ASCII 10->42 dropped 56 Uses schtasks.exe or at.exe to add and modify task schedules 10->56 58 Writes to foreign memory regions 10->58 60 Adds a directory exclusion to Windows Defender 10->60 62 Injects a PE file into a foreign processes 10->62 14 RegSvcs.exe 10->14         started        17 powershell.exe 25 10->17         started        19 schtasks.exe 1 10->19         started        signatures5 process6 signatures7 70 Modifies the context of a thread in another process (thread injection) 14->70 72 Maps a DLL or memory area into another process 14->72 74 Sample uses process hollowing technique 14->74 76 2 other signatures 14->76 21 explorer.exe 14->21 injected 25 conhost.exe 17->25         started        27 conhost.exe 19->27         started        process8 dnsIp9 44 www.themummyfront.club 21->44 54 System process connects to network (likely due to code injection or exploit) 21->54 29 wlanext.exe 21->29         started        signatures10 process11 signatures12 64 Modifies the context of a thread in another process (thread injection) 29->64 66 Maps a DLL or memory area into another process 29->66 68 Tries to detect virtualization through RDTSC time measurements 29->68 32 cmd.exe 1 29->32         started        process13 process14 34 conhost.exe 32->34         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/88faa5aa9f7b5ec0c332eb9c1be6024c984240f61a40d27db64a5a88adb3cbdf/
Threat name:
ByteCode-MSIL.Spyware.Noon
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Status:
Malicious
First seen:
2022-08-11 20:14:01 UTC
File Type:
PE (.Net Exe)
Extracted files:
80
AV detection:
13 of 41 (31.71%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rd5klku7pnpmbqzs5oobxzqcjsmeeqhwdjane7nwjjnirlntzppq._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:de08 rat spyware stealer trojan
Link:
https://tria.ge/reports/220812-asww1aecaj/
Behaviour
Creates scheduled task(s)
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook payload
Formbook
Unpacked files
SH256 hash:
3f78f0ffadf4d713bbf5893516266f1528159c5f76d2b0c004162c3c76ca1684
MD5 hash:
035b80025b80603c2338447c8f9deae9
SHA1 hash:
99cd99c2d63e71c6e0d389b8ec0734d4b98c0e72
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
FormBook
Create hunting rule
Link:
https://www.unpac.me/results/90f24136-4050-41eb-8525-e6d0d3f346b9/
Parent samples :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 hash:
18eb60c0eb3e1c610526d9f4b42684ac36a2ebb521514a8770dca2f2afd7f471
MD5 hash:
7ca239778f9f46d28b08876564dba525
SHA1 hash:
973b0d0d98a83b7dfcf1bfce04a179b0f070b98c
Link:
https://www.unpac.me/results/90f24136-4050-41eb-8525-e6d0d3f346b9/
SH256 hash:
58b8dab4823caaa6c78065083b9f900791ab5d25271ddf5739b4cb5c81f8e6ec
MD5 hash:
5563a2e5df40fffa6281ccc9c4cb8881
SHA1 hash:
62a0d051f6e51c5f531c833d4a505bd8d5c44433
Link:
https://www.unpac.me/results/90f24136-4050-41eb-8525-e6d0d3f346b9/
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
Link:
https://www.unpac.me/results/90f24136-4050-41eb-8525-e6d0d3f346b9/
SH256 hash:
eb25d83b772a6b6942f876bdced87a67eb478d47e1be4b297d56b618ee1bdc40
MD5 hash:
0f42d3e3b7df65c2d18f0379b19cd21e
SHA1 hash:
1dc2fa8574f412f141a7de639d9d616c44b974d8
Link:
https://www.unpac.me/results/90f24136-4050-41eb-8525-e6d0d3f346b9/
SH256 hash:
88faa5aa9f7b5ec0c332eb9c1be6024c984240f61a40d27db64a5a88adb3cbdf
MD5 hash:
54ef089c3ce94a356cda446c250b8448
SHA1 hash:
13b03d523224b3965c766ec069fdf4bf231f7974
Link:
https://www.unpac.me/results/90f24136-4050-41eb-8525-e6d0d3f346b9/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/88faa5aa9f7b/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/88faa5aa9f7b5ec0c332eb9c1be6024c984240f61a40d27db64a5a88adb3cbdf

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:meth_get_eip
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Author:Willi Ballenthin
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.

Cape
Cape
https://www.capesandbox.com/analysis/298110/

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