MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e5756a6f00931a9c730e1ed2e4c38cb58b70ea64d5a10beae7f7817952c306a4. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
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SHA256 hash: e5756a6f00931a9c730e1ed2e4c38cb58b70ea64d5a10beae7f7817952c306a4
SHA3-384 hash: 5ebfb614630064f27b4ddcb18a4615481e44ae34148a7abbd4599a568ee30c47cafccc9f65c5c1f7323d2d7ebf96d33a
SHA1 hash: 0e3a0f0ba849446be86029d85173aa73f1a79efa
MD5 hash: fed087587eb743745fe314ef881634f7
humanhash: magnesium-pip-timing-tennessee
File name:tootepäring.exe
Download: download sample
Signature Formbook
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File size:1'134'080 bytes
First seen:2022-02-04 13:38:49 UTC
Last seen:2022-02-04 16:09:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:1HR76Vr6cFCjfmMgoM9LKIauBbPA4bH8dn0zYx:1HB6zC7mkuLBaoY4YB0Ux
TLSH T1D135E044AEAA9EDCD9BBC6F04914A3492E20FC701910ED1E26F7316BC131FD675D92E2
File icon (PE):PE icon
dhash icon b878e8d8f4e4f8d8 (3 x Formbook, 1 x AgentTesla)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
195
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/233023/
Detection(s):
SecuriteInfo.com.Trojan.MSIL.Noon.lc.27078.29810.UNOFFICIAL
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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/ffb87357-a199-4ca7-8cdf-0e18a652f1b5
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/934040
Signature
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to hide user accounts
Found malware configuration
Injects a PE file into a foreign processes
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 submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: CMSTP Execution Process Creation
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
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 566519 Sample: tootep#U00e4ring.exe Startdate: 04/02/2022 Architecture: WINDOWS Score: 100 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 Antivirus detection for URL or domain 2->48 50 10 other signatures 2->50 9 tootep#U00e4ring.exe 1 2->9         started        process3 file4 26 C:\Users\user\...\tootep#U00e4ring.exe.log, ASCII 9->26 dropped 52 Writes to foreign memory regions 9->52 54 Allocates memory in foreign processes 9->54 56 Injects a PE file into a foreign processes 9->56 13 WPDShextAutoplay.exe 9->13         started        signatures5 process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 13->58 60 Maps a DLL or memory area into another process 13->60 62 Sample uses process hollowing technique 13->62 64 2 other signatures 13->64 16 cmstp.exe 13->16         started        19 explorer.exe 13->19 injected process8 dnsIp9 34 Modifies the context of a thread in another process (thread injection) 16->34 36 Maps a DLL or memory area into another process 16->36 38 Tries to detect virtualization through RDTSC time measurements 16->38 22 cmd.exe 1 16->22         started        28 www.wellnessheatclub.com 75.2.115.196, 49802, 80 AMAZON-02US United States 19->28 30 www.revivalslohaz.xyz 19->30 32 parkingpage.namecheap.com 198.54.117.210, 49816, 80 NAMECHEAP-NETUS United States 19->32 40 System process connects to network (likely due to code injection or exploit) 19->40 42 Performs DNS queries to domains with low reputation 19->42 signatures10 process11 process12 24 conhost.exe 22->24         started       
Gathering data
Threat name:
ByteCode-MSIL.Trojan.FormBook
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Status:
Malicious
First seen:
2022-02-04 08:23:28 UTC
File Type:
PE (.Net Exe)
Extracted files:
34
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4v2wu3yasmnjy4yod3jojq4mwwfxb2te2wqqx2xh66axsuwda2sa._file
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:su4h persistence rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220204-qxyt6aafbj/
Behaviour
Checks processor information in registry
Gathers network information
Modifies data under HKEY_USERS
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
Drops file in Windows directory
Suspicious use of SetThreadContext
Sets service image path in registry
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
413a715f1e766766bf290dbe3fbd681fbaaaf6141c627fa2ccdfdbe1bd9ba1cb
MD5 hash:
d3897848bee6dbc711d2e9358c4718b9
SHA1 hash:
0540305bb9c239ac29fbb2517832c42b9cd78cc0
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/7750c293-dbab-420c-8c32-7f150baa570f/
SH256 hash:
1aee3a36fae9739e8c4c7f70c95c5eb6112e325fbcfd5b1515ef07e17a3951a1
MD5 hash:
00d82a57dd68ac58970bdaec675b3079
SHA1 hash:
dc67f5c29ce5fcdacc0a66125798044117b10ea2
Link:
https://www.unpac.me/results/7750c293-dbab-420c-8c32-7f150baa570f/
SH256 hash:
d26a8d632344ae289ffe11afc91b47f06671a1e76ea3d94858b71f7d29c527b9
MD5 hash:
6f50f87d1052b6356bb8a11566d82f4a
SHA1 hash:
cd278c6e973d473ee465ef985b755df447e06b34
Link:
https://www.unpac.me/results/7750c293-dbab-420c-8c32-7f150baa570f/
SH256 hash:
70b785e5cb5b2e61c0f5da4a71ab0bbd14d9a0849387f037e0d75cc1ffe0a082
MD5 hash:
5951b52c9b4d11ca7f4f33e5a3fb2c31
SHA1 hash:
0bc54fd699fff7b93e5c447a141c0d904924ab0d
Link:
https://www.unpac.me/results/7750c293-dbab-420c-8c32-7f150baa570f/
SH256 hash:
e5756a6f00931a9c730e1ed2e4c38cb58b70ea64d5a10beae7f7817952c306a4
MD5 hash:
fed087587eb743745fe314ef881634f7
SHA1 hash:
0e3a0f0ba849446be86029d85173aa73f1a79efa
Link:
https://www.unpac.me/results/7750c293-dbab-420c-8c32-7f150baa570f/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/e5756a6f0093/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.91
Link:
https://yomi.yoroi.company/submissions/e5756a6f00931a9c730e1ed2e4c38cb58b70ea64d5a10beae7f7817952c306a4

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:malware_Formbook_strings
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Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
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

Executable exe e5756a6f00931a9c730e1ed2e4c38cb58b70ea64d5a10beae7f7817952c306a4

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/233023/

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