MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6ecc41234c9c627fb864d3de10169477884aab6d62c199141a1b1b2da8b7ff8c. 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: 14


Intelligence 14 IOCs YARA 7 File information Comments
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SHA256 hash: 6ecc41234c9c627fb864d3de10169477884aab6d62c199141a1b1b2da8b7ff8c
SHA3-384 hash: 620e7f2285456ce4d719b189e8afbf1f6ba52a588ef02a49f3202feebe7e52314988099f8ff49be9947ec906ea2c98a7
SHA1 hash: 341da4ceb8b935bf2beb60a21f61f4dae997d2f1
MD5 hash: bb3516968514714ca4ecad0d4c2489a5
humanhash: august-don-colorado-hawaii
File name:TNT_e-invoice_N0.11073490.exe
Download: download sample
Signature Formbook
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File size:588'288 bytes
First seen:2022-07-22 10:15:05 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 12288:0J8+31hux8D4e34z0T2x/xu7mn+5AAKIiHXQKA:4PuxQtIE7me23Q/
TLSH T112C4F16AA46ED623D0B48B77C0D7D42A137D7E12EAA3E30E39D5318B86533E70549783
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 pr0xylife
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
244
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
TNT_e-invoice_N0.11073490.exe
Verdict:
Malicious activity
Analysis date:
2022-07-22 10:22:11 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/e3164f4b-7f0f-4412-ae49-9f240326ae52

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/293336/
Detection(s):
SecuriteInfo.com.Trojan.Packed2.44349.11880.14868-222265.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Launching a process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62da7967b1b58ed7a1796291/reports/0d8f071e-f594-4c6a-8b3d-70364507d96d/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/4739f53f-9cb7-45dc-94d4-06627114c040
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1039125
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Deletes itself after installation
Initial sample is a PE file and has a suspicious name
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)
Performs DNS queries to domains with low reputation
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected FormBook
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 671619 Sample: TNT_e-invoice_N0.11073490.exe Startdate: 22/07/2022 Architecture: WINDOWS Score: 100 31 www.winerlee.xyz 2->31 33 www.patriot-csgo.com 2->33 35 4 other IPs or domains 2->35 41 Snort IDS alert for network traffic 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus detection for URL or domain 2->45 47 8 other signatures 2->47 9 TNT_e-invoice_N0.11073490.exe 3 2->9         started        signatures3 process4 file5 23 C:\...\TNT_e-invoice_N0.11073490.exe.log, ASCII 9->23 dropped 57 Injects a PE file into a foreign processes 9->57 13 TNT_e-invoice_N0.11073490.exe 9->13         started        signatures6 process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 13->59 61 Maps a DLL or memory area into another process 13->61 63 Sample uses process hollowing technique 13->63 65 Queues an APC in another process (thread injection) 13->65 16 explorer.exe 13->16 injected process9 dnsIp10 25 www.taskpe.space 16->25 27 www.remoteicanotes.com 185.53.177.50, 49860, 80 TEAMINTERNET-ASDE Germany 16->27 29 15 other IPs or domains 16->29 37 System process connects to network (likely due to code injection or exploit) 16->37 39 Performs DNS queries to domains with low reputation 16->39 20 rundll32.exe 13 16->20         started        signatures11 process12 signatures13 49 Tries to steal Mail credentials (via file / registry access) 20->49 51 Tries to harvest and steal browser information (history, passwords, etc) 20->51 53 Deletes itself after installation 20->53 55 2 other signatures 20->55
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/6ecc41234c9c627fb864d3de10169477884aab6d62c199141a1b1b2da8b7ff8c/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-07-22 10:16:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=n3geci2mtrrh7ode2ppbafuuo6eevk3nmlazsfa2dmns3kfx76ga._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
n/a
Score:
  10/10
Tags:
suricata
Link:
https://tria.ge/reports/220722-mas4lsedd4/
Behaviour
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
Suspicious use of SetThreadContext
Checks computer location settings
Blocklisted process makes network request
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
0c856e7321e1dc8f3a2dacf1feb0a812837d821b827f37cbd6c111f1a4370b4d
MD5 hash:
c45c00db088c9266dd8fa1286c3dc9c2
SHA1 hash:
5aa235ca7e1e3ffcdb8bb5117e81f88dcaa77767
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/0029c59e-95cc-4f1b-9009-8db2f9714df6/
Parent samples :
751ed5e8f8034a97085df7f889e6269364111b1a49ae8d89be71232cb03b04f0
6e4f0f6801e6dab5b20618dd2b1588cb0ea9662873907c6c2685c6c6c1c5227f
17986f73309258ece680ea20d2008a36b4a79d5759cfb3ba0269f0e697d49085
6ecc41234c9c627fb864d3de10169477884aab6d62c199141a1b1b2da8b7ff8c
0c856e7321e1dc8f3a2dacf1feb0a812837d821b827f37cbd6c111f1a4370b4d
SH256 hash:
39c2d879c57f07305ce60412dc8a88f02e51f1a14a06cc605768d1d7f5313807
MD5 hash:
db51fe170a9e5d6ec5429a2fbd9d0353
SHA1 hash:
e30a58125fc41322db6cf2ccb6a6d414ed379016
Link:
https://www.unpac.me/results/0029c59e-95cc-4f1b-9009-8db2f9714df6/
SH256 hash:
364ec41edafc34c24ebbd12db14fbd38ef30a01c54a42e7830495f8ae0398e3d
MD5 hash:
719adcb607c057e69e767b7ac19277f0
SHA1 hash:
a041b76193837fa718798b5afa60afd636be6e7f
Link:
https://www.unpac.me/results/0029c59e-95cc-4f1b-9009-8db2f9714df6/
SH256 hash:
ca4e3745f87ae419e10fa9dd15e9814f66a7dca601ae70bd3ae3b0b0781e9491
MD5 hash:
6491ab64072f34a6124f4cdf1d9bdd43
SHA1 hash:
78008e0c188d1732ebb5bbfe6d15892ebe32b1f7
Link:
https://www.unpac.me/results/0029c59e-95cc-4f1b-9009-8db2f9714df6/
SH256 hash:
88b39f43facf80e3ed4753c14ed7f7b93d25d67d04cf1d4332c45adecd04064b
MD5 hash:
29c87def66a1ad98746faf773eca42c7
SHA1 hash:
360c47ca8fd42ce52e716e8d123ee97fbca37bb7
Link:
https://www.unpac.me/results/0029c59e-95cc-4f1b-9009-8db2f9714df6/
SH256 hash:
6ecc41234c9c627fb864d3de10169477884aab6d62c199141a1b1b2da8b7ff8c
MD5 hash:
bb3516968514714ca4ecad0d4c2489a5
SHA1 hash:
341da4ceb8b935bf2beb60a21f61f4dae997d2f1
Link:
https://www.unpac.me/results/0029c59e-95cc-4f1b-9009-8db2f9714df6/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/6ecc41234c9c/report/overview.html
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/6ecc41234c9c627fb864d3de10169477884aab6d62c199141a1b1b2da8b7ff8c

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:malware_Formbook_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

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/293336/

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