MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 99ec8b8e93e7a91dab1a16b9353333fa340d52569de4b88f5703bbc5a666211c. 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: 16


Intelligence 16 IOCs YARA 8 File information Comments
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SHA256 hash: 99ec8b8e93e7a91dab1a16b9353333fa340d52569de4b88f5703bbc5a666211c
SHA3-384 hash: a442600a0c1c8fcf5e904b97469e7ab85404707df8d79532f23e9e10fb47d78cbb3b060bdae74ec9cc6d4d5b8ffd8e3d
SHA1 hash: c89837622b022c21c61a2ccc05f91670d148adab
MD5 hash: af1e7cf75b371f3fb5c306b7ac8d2ecd
humanhash: pizza-speaker-kitten-sweet
File name:hesaphareketi-01.pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:286'866 bytes
First seen:2023-03-01 18:58:37 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:LYa68T2EzVhCbpFlAv0Ako/eT0FBn8B8xCyhGsWg5hUbZevOYKh:LYeTdzvALAv0ARu0Hk77sWg5+bEv1U
Threatray 2'298 similar samples on MalwareBazaar
TLSH T110541250B2E0D0A3C6559E321A3A4BB65FF7B81B8685D31733A1165DFC76AC2C20FB61
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 00000c353034d4c0 (20 x SnakeKeylogger, 3 x Formbook, 3 x RemcosRAT)
Reporter abuse_ch
Tags:exe FormBook geo TUR

Intelligence

File Origin
# of uploads :
1
# of downloads :
220
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
hesaphareketi-01.pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-03-01 19:02:27 UTC
Tags:
formbook xloader trojan stealer
Link:
https://app.any.run/tasks/681f8e69-19eb-47c0-8fa9-595a9b17937f

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/370930/
Detection(s):
SecuriteInfo.com.Trojan.Loader.1322.15551.27302.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Sending a custom TCP request
Searching for synchronization primitives
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63ffa080bfec0852a68e3eb3/reports/1c963182-fcc3-4496-90a5-4c2222f73493/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/99ec8b8e93e7a91dab1a16b9353333fa340d52569de4b88f5703bbc5a666211c
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/ab1d823f-2b60-4bb3-ab58-161f5bfd93da
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1185205
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Initial sample is a PE file and has a suspicious name
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
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
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 818065 Sample: hesaphareketi-01.pdf.exe Startdate: 01/03/2023 Architecture: WINDOWS Score: 100 54 Snort IDS alert for network traffic 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 Antivirus detection for URL or domain 2->58 60 6 other signatures 2->60 11 hesaphareketi-01.pdf.exe 19 2->11         started        process3 file4 32 C:\Users\user\AppData\...\cpjngflzty.exe, PE32 11->32 dropped 14 cpjngflzty.exe 11->14         started        process5 signatures6 70 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 14->70 72 Maps a DLL or memory area into another process 14->72 74 Tries to detect virtualization through RDTSC time measurements 14->74 17 cpjngflzty.exe 14->17         started        process7 signatures8 46 Modifies the context of a thread in another process (thread injection) 17->46 48 Maps a DLL or memory area into another process 17->48 50 Sample uses process hollowing technique 17->50 52 Queues an APC in another process (thread injection) 17->52 20 explorer.exe 6 6 17->20 injected process9 dnsIp10 34 fwd3.hosts.co.uk 85.233.160.22, 49699, 80 ISIONUKNamescoLimitedGB United Kingdom 20->34 36 td-ccm-168-233.wixdns.net 34.117.168.233, 49701, 80 GOOGLE-AS-APGoogleAsiaPacificPteLtdSG United States 20->36 38 5 other IPs or domains 20->38 62 System process connects to network (likely due to code injection or exploit) 20->62 24 raserver.exe 12 20->24         started        signatures11 process12 dnsIp13 40 www.contentteam.co.uk 24->40 42 fwd3.hosts.co.uk 24->42 44 webforward.lcn.com 24->44 64 Modifies the context of a thread in another process (thread injection) 24->64 66 Maps a DLL or memory area into another process 24->66 68 Tries to detect virtualization through RDTSC time measurements 24->68 28 cmd.exe 1 24->28         started        signatures14 process15 process16 30 conhost.exe 28->30         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/99ec8b8e93e7a91dab1a16b9353333fa340d52569de4b88f5703bbc5a666211c/
Threat name:
Win32.Trojan.Nsisx
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Status:
Malicious
First seen:
2023-03-01 10:46:41 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
18 of 38 (47.37%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=thwixdut46ur3ky2c24tkmzt7i2a2uswtxslrd2xao54ljtgeeoa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
03315fc089295a2ff5733402c9a928e0fa0c26c3d67dd3610ea121845bde4f1f
Formbook
3a5125b535a9d3aec7608c040173cea1e3c12cb855ec5bad90847406022dfe98
Formbook
53ef5cf03618cf6124b33c3ef3fbb97a993b9612b2fff665bb7de2fec5d7dfac
Formbook
628aa31e938f6407d365b1c833953f4d5b696c08c55b2b9905e2ab6dd724039b
Formbook
7ac2e4aad0054c77e7a2205d156da7032021be264702c8fa76eab7ebc44556ff
Formbook
a3a3e10ea96961c3e5cc533be186a83f18fea89a5beb3074b04f4ee402c5f85f
Formbook
ab080c6c62ba54b560f3feb271626ae0fe1804834f51eeac008f576f4e1299a0
Formbook
c5e68a14f6ea969a5a79718ebd9f7fcaa269e3ab749626772a33bb185ab50e17
Formbook
ce902a74a974d8abadef885c3aa91a41ad495d0d22a187b0bb4c87645d3ae0a8
Formbook
fb6e51468bc31594bfd2d9fc78afad7d0a471b4bb0de96ab2b53f03d94c25051
Formbook
+ 2'288 additional samples on MalwareBazaar
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:gt48 rat spyware stealer trojan
Link:
https://tria.ge/reports/230301-xm3tpahg29/
Behaviour
Enumerates system info in registry
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
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:
3dcd1955cf2568a204e52caae9ea5996311d1b52ab344bcd76ff23ef9f6d1684
MD5 hash:
f37242e59959a9ecb1097b9979d41c42
SHA1 hash:
dba887b79c7a395961d98e7c833712a83f8ab336
Link:
https://www.unpac.me/results/7354376a-50e7-49fc-9892-1375261806cd/
SH256 hash:
99ec8b8e93e7a91dab1a16b9353333fa340d52569de4b88f5703bbc5a666211c
MD5 hash:
af1e7cf75b371f3fb5c306b7ac8d2ecd
SHA1 hash:
c89837622b022c21c61a2ccc05f91670d148adab
Link:
https://www.unpac.me/results/7354376a-50e7-49fc-9892-1375261806cd/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/99ec8b8e93e7/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/99ec8b8e93e7a91dab1a16b9353333fa340d52569de4b88f5703bbc5a666211c

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:azov_Dropped
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Author:Potatech
Description:Azov Detection
Rule name:meth_get_eip
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Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Windows_Trojan_Formbook
Create hunting rule
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Create hunting rule
Author:Elastic Security
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.
Rule name:win_formbook_w0
Create hunting rule
Author:@malgamy12

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/370930/

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