MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c1aa65f7c2cc6beb7052c8ada46a3139fc01da66890f4153a7c5761292b71d61. 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 13 File information Comments
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SHA256 hash: c1aa65f7c2cc6beb7052c8ada46a3139fc01da66890f4153a7c5761292b71d61
SHA3-384 hash: d21c859e40120abbd8e194baef5f3e32a701981749ec2a5ad346ceeabb109715e3405d6aaecc28d48f60c3c0d82716dc
SHA1 hash: 0847d01dbf839431a9a0ef5a0c66ecacca44ccd6
MD5 hash: 646dff7c0306e264370fa02b5abe86d9
humanhash: lemon-maine-stream-hotel
File name:sipariş onayı.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:315'635 bytes
First seen:2023-10-11 19:22:44 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f4639a0b3116c2cfc71144b88a929cfd (98 x GuLoader, 53 x Formbook, 39 x VIPKeylogger)
ssdeep 6144:pXFKo5l1eRtyTFeQxlgmfW2N73P/8K0LF5L6NfMqq7yaGbd:pXRQOZeQxl5MK0LPL6NUB7yau
Threatray 59 similar samples on MalwareBazaar
TLSH T1D964122AB5E1CA72CA5707700CFD63E20B76FB6115B4570B33A0635967A3DC26B1E293
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 b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter abuse_ch
Tags:exe FormBook geo TUR

Intelligence

File Origin
# of uploads :
1
# of downloads :
291
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
sipariş onayı.exe
Verdict:
Malicious activity
Analysis date:
2023-10-11 20:31:20 UTC
Tags:
formbook xloader stealer spyware opendir
Link:
https://app.any.run/tasks/8bae33e6-935c-4bae-8450-170b4d593c64

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/453443/
Detection(s):
SecuriteInfo.com.Win32.Evo-gen.1840.9714.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Sending a custom TCP request
Setting browser functions hooks
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Gathering data
Verdict:
Malicious
Threat level:
  5/10
Confidence:
100%
Tags:
control installer lolbin overlay packed shell32
Link:
https://www.filescan.io/uploads/6526f61bf776149b0b30dc63/reports/93093f00-5031-4830-b533-0f381cc5d486/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/c1aa65f7c2cc6beb7052c8ada46a3139fc01da66890f4153a7c5761292b71d61
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/dedb644c-ac67-4d79-9342-41819cb35392
Result
Threat name:
FormBook, NSISDropper
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1324149
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
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)
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
Yara detected FormBook
Yara detected NSISDropper
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1324149 Sample: sipari#U015f_onay#U0131.exe Startdate: 11/10/2023 Architecture: WINDOWS Score: 100 34 www.wdkilat.site 2->34 36 www.tabbartrader.com.cdn.hstgr.net 2->36 38 12 other IPs or domains 2->38 54 Snort IDS alert for network traffic 2->54 56 Found malware configuration 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 7 other signatures 2->60 12 sipari#U015f_onay#U0131.exe 17 2->12         started        signatures3 process4 file5 32 C:\Users\user\AppData\Local\...\umugkkc.exe, PE32 12->32 dropped 15 umugkkc.exe 12->15         started        process6 signatures7 70 Detected unpacking (changes PE section rights) 15->70 72 Machine Learning detection for dropped file 15->72 74 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 15->74 76 2 other signatures 15->76 18 umugkkc.exe 15->18         started        process8 signatures9 46 Modifies the context of a thread in another process (thread injection) 18->46 48 Maps a DLL or memory area into another process 18->48 50 Sample uses process hollowing technique 18->50 52 Queues an APC in another process (thread injection) 18->52 21 explorer.exe 12 1 18->21 injected process10 dnsIp11 40 www.gems-spot.com 199.34.228.190, 49716, 80 WEEBLYUS United States 21->40 42 www.tabbartrader.com.cdn.hstgr.net 84.32.84.219, 49717, 80 NTT-LT-ASLT Lithuania 21->42 44 7 other IPs or domains 21->44 62 System process connects to network (likely due to code injection or exploit) 21->62 25 msdt.exe 21->25         started        signatures12 process13 signatures14 64 Modifies the context of a thread in another process (thread injection) 25->64 66 Maps a DLL or memory area into another process 25->66 68 Tries to detect virtualization through RDTSC time measurements 25->68 28 cmd.exe 1 25->28         started        process15 process16 30 conhost.exe 28->30         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c1aa65f7c2cc6beb7052c8ada46a3139fc01da66890f4153a7c5761292b71d61/
Threat name:
Win32.Adware.RedCap
Create hunting rule
Status:
Malicious
First seen:
2023-10-11 20:05:30 UTC
AV detection:
18 of 23 (78.26%)
Threat level:
  1/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ygvgl56czrv6w4cszcw2i2rrhh6adwtgrehucu5hyv3bfevxdvqq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
197619791b979892a3f7a7cabb4314b10b360c67442a2b4f101cef42f6b0f412
Formbook
393f41d6aaa447a3fc89f83b3ffb08574464197bf45704ba8226cd070b63c6ed
Formbook
6168bfdf30f058beb000e91b1ccdb8e264318f8e311f186245b16b8217787c9d
Formbook
7475dc716905ee9a57aa78bdb02c71c1d22d93c67326ac2eedb0b72ca82207b0
Formbook
795998e9064cb981d6a40a34fbeee48381121ea7ac7175ffe5b506b11cf843d7
Formbook
b88b53db5c1fd0779cb7718630d7ac90f0ff81cfc7e8495bff1325743adeff65
Formbook
bbcaa127862b5b70b5a833b3136f431c03a9165dd0a4646ba78922ebcc7ebdc3
Formbook
+ 49 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:dz01 rat spyware stealer trojan
Link:
https://tria.ge/reports/231011-x3snnaac69/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
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:
f6e91a86d8973bf3a237cb68a6b2b2c66b5c6c4fff77338cc897e0ee2a9b3e57
MD5 hash:
2c346356a5393455ec4dc5073318d969
SHA1 hash:
af5a7d49ce78262424066f99a5d9022e073afdc2
Link:
https://www.unpac.me/results/2df1634a-88ec-4a1d-aad2-7edb527d6a30/
SH256 hash:
c1aa65f7c2cc6beb7052c8ada46a3139fc01da66890f4153a7c5761292b71d61
MD5 hash:
646dff7c0306e264370fa02b5abe86d9
SHA1 hash:
0847d01dbf839431a9a0ef5a0c66ecacca44ccd6
Link:
https://www.unpac.me/results/2df1634a-88ec-4a1d-aad2-7edb527d6a30/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c1aa65f7c2cc/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/c1aa65f7c2cc6beb7052c8ada46a3139fc01da66890f4153a7c5761292b71d61

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__GlobalFlags
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:pe_no_import_table
Create hunting rule
Author:qux
Description:Detects exe does not have import table
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe c1aa65f7c2cc6beb7052c8ada46a3139fc01da66890f4153a7c5761292b71d61

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/453443/

Comments