MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 be9c97f837293aea20541bc79acef3515ddffa81fb6e2306d9f0dcf26b63f7f5. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: be9c97f837293aea20541bc79acef3515ddffa81fb6e2306d9f0dcf26b63f7f5
SHA3-384 hash: bf22b54d5d717990d7a02106d5a4f261eaaff33b3b4c1a6a2956c3bc11c17f319f8b74bc694657d0a4c92e169a22157f
SHA1 hash: b4f46e94ea4d878a73bf14f365c7f26229e12403
MD5 hash: c6eef0bdcce197f200db959f972db588
humanhash: march-hot-floor-august
File name:ÖDEME DEKONTUpdf.exe
Download: download sample
Signature Formbook
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File size:259'534 bytes
First seen:2022-12-24 08:30:01 UTC
Last seen:2022-12-24 10:32:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 97318da386948415d08cef4a9006d669 (71 x Formbook, 35 x SnakeKeylogger, 26 x AgentTesla)
ssdeep 6144:rkwH86CIs/0zGszLsY24TTsx1jxu+JmIjU9:1jC1oGszLsY2fx4IU
TLSH T1FC44225D7AC8D0FFE51205B0907E976EF37EE7540E13D20FA72A0F6A5A348C2850B5A2
TrID 92.7% (.EXE) NSIS - Nullsoft Scriptable Install System (846567/2/133)
3.4% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
1.1% (.EXE) Win64 Executable (generic) (10523/12/4)
0.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
0.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
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 :
2
# of downloads :
178
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
ÖDEME DEKONTUpdf.exe
Verdict:
Malicious activity
Analysis date:
2022-12-24 08:30:33 UTC
Tags:
installer formbook xloader trojan stealer
Link:
https://app.any.run/tasks/afebb8bd-ff88-4e4a-a269-ab0c7ed38d97

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Variant.Jaik.110210.21612.30361.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
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
Sending a custom TCP request
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:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63a6b88c629a35af1ab3b87b/reports/131dd179-8fa5-48dd-a52d-bcf8b2211f6c/overview
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/a7d0750c-b3ab-4b1d-85f7-99fa83afd996
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1140372
Signature
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)
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 773102 Sample: #U00d6DEME DEKONTUpdf.exe Startdate: 24/12/2022 Architecture: WINDOWS Score: 100 34 www.finelinehospitality.com 2->34 36 finelinehospitality.com 2->36 48 Snort IDS alert for network traffic 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 Yara detected FormBook 2->52 54 3 other signatures 2->54 12 #U00d6DEME DEKONTUpdf.exe 19 2->12         started        signatures3 process4 file5 32 C:\Users\user\AppData\Local\...\yyojhdw.exe, PE32 12->32 dropped 15 yyojhdw.exe 12->15         started        process6 signatures7 64 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 15->64 66 Maps a DLL or memory area into another process 15->66 68 Tries to detect virtualization through RDTSC time measurements 15->68 18 yyojhdw.exe 15->18         started        process8 signatures9 40 Modifies the context of a thread in another process (thread injection) 18->40 42 Maps a DLL or memory area into another process 18->42 44 Sample uses process hollowing technique 18->44 46 Queues an APC in another process (thread injection) 18->46 21 explorer.exe 18->21 injected process10 dnsIp11 38 www.nicolebrunel.com 23.27.81.94, 49721, 80 EGIHOSTINGUS United States 21->38 56 System process connects to network (likely due to code injection or exploit) 21->56 25 svchost.exe 21->25         started        signatures12 process13 signatures14 58 Modifies the context of a thread in another process (thread injection) 25->58 60 Maps a DLL or memory area into another process 25->60 62 Tries to detect virtualization through RDTSC time measurements 25->62 28 cmd.exe 1 25->28         started        process15 process16 30 conhost.exe 28->30         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/be9c97f837293aea20541bc79acef3515ddffa81fb6e2306d9f0dcf26b63f7f5/
Threat name:
Win32.Trojan.FormBook
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Status:
Malicious
First seen:
2022-12-24 08:31:07 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=x2ojp6bxfe5ouicudpdzvtxtkfo576ub7nxcgbwz6dope23d672q._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:b21g rat spyware stealer trojan
Link:
https://tria.ge/reports/221224-kd568shg54/
Behaviour
Gathers network information
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
Loads dropped DLL
Executes dropped EXE
Formbook payload
Formbook
Unpacked files
SH256 hash:
4deef53f2b385de278a2dd0b554cedf346104b8486779d003d77d9232415c916
MD5 hash:
da97cc753e6eda2f3db20f16e9d876bf
SHA1 hash:
1fb9e83ed97ec39358add29095c3df773e314773
Detections:
FormBook
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win_formbook_auto
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win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/af8dc9a6-0bac-4642-9ae2-fc9ffada3052/
Parent samples :
03803da6cde700f85ca5df330c3fcbad16d590d4921a60cc831c5f636e20916a
be9c97f837293aea20541bc79acef3515ddffa81fb6e2306d9f0dcf26b63f7f5
ed2f75525575b5e42807ad0c42f3da38b75f84205eef6e4dffbd799fe0bb24e8
5b6a42756dca06a97d71a5ea64c1573d1445500fd0cfc16fba851b555908695c
62561bac40812897c76c0036a3bdb5c645e4de95e96caa0443e52d2b33d320e7
03315fc089295a2ff5733402c9a928e0fa0c26c3d67dd3610ea121845bde4f1f
SH256 hash:
a837bfe70c58046fd78e7dd148b90813651cbbbb892f40f66e5b327aaaea9440
MD5 hash:
2755de6cf5c95d3aedeeb764e1be2693
SHA1 hash:
cbf1ff435fae6277457b6267958c025cf0528003
Link:
https://www.unpac.me/results/af8dc9a6-0bac-4642-9ae2-fc9ffada3052/
SH256 hash:
be9c97f837293aea20541bc79acef3515ddffa81fb6e2306d9f0dcf26b63f7f5
MD5 hash:
c6eef0bdcce197f200db959f972db588
SHA1 hash:
b4f46e94ea4d878a73bf14f365c7f26229e12403
Link:
https://www.unpac.me/results/af8dc9a6-0bac-4642-9ae2-fc9ffada3052/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/be9c97f83729/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.18
Link:
https://yomi.yoroi.company/submissions/be9c97f837293aea20541bc79acef3515ddffa81fb6e2306d9f0dcf26b63f7f5

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:meth_get_eip
Create hunting rule
Author:Willi Ballenthin

File information

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

Malspam

Formbook

Executable exe be9c97f837293aea20541bc79acef3515ddffa81fb6e2306d9f0dcf26b63f7f5

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments