MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1edd52620047de1ae4461b1184c25a995a8b0f924582db0ec808e0f9763b5cfc. 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: 13


Intelligence 13 IOCs YARA 5 File information Comments
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SHA256 hash: 1edd52620047de1ae4461b1184c25a995a8b0f924582db0ec808e0f9763b5cfc
SHA3-384 hash: 94362a563d17bdb797a08a883d730024454a1d063c0b89daa15c26bd4d25bbaee0932849f62bd7865f7f2f36131503b6
SHA1 hash: 7356b6d68a4e55b9378f73ea89aff6713d714e70
MD5 hash: 1b4c517719a07b7470dc48fe20216321
humanhash: kentucky-crazy-hot-don
File name:Shipping Documents_pdf.gz.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:264'140 bytes
First seen:2022-10-17 17:43:53 UTC
Last seen:2022-10-17 17:44:15 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 56a78d55f3f7af51443e58e0ce2fb5f6 (724 x GuLoader, 451 x Formbook, 295 x Loki)
ssdeep 6144:ibE/HUkl8G1P7wYnrvWX+8Y3PUjT3WYgyfyy29KEBf+Idu9rCS:ibwl71P7w4vOVY3PUX3Wqfjzo69
TLSH T18F441250BFF0E463E8A24A7266BA631EFB69C13105A1AF0703A57E5D3D93AE0554FF10
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon c89c98acacacbcac (31 x Loki, 23 x AgentTesla, 22 x AveMariaRAT)
Reporter cocaman
Tags:exe FormBook INVOICE Shipping

Intelligence

File Origin
# of uploads :
2
# of downloads :
351
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/321100/
Detection(s):
Win.Dropper.Smdd-6956905-0
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a process from a recently created file
Launching a process
Launching the default Windows debugger (dwwin.exe)
Searching for synchronization primitives
Сreating synchronization primitives
Launching cmd.exe command interpreter
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:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/634d9466fdf6478a15af5e97/reports/25a087ea-92c5-44d3-bc7e-a61f323a8229/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/866aeb62-51ff-451d-93d0-e05d9a7b7126
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1092160
Signature
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Executable has a suspicious name (potential lure to open the executable)
Found hidden mapped module (file has been removed from disk)
Initial sample is a PE file and has a suspicious name
Machine Learning detection for dropped file
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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 signatures2 2 Behavior Graph ID: 724783 Sample: Shipping Documents_pdf.gz.exe Startdate: 17/10/2022 Architecture: WINDOWS Score: 100 48 Malicious sample detected (through community Yara rule) 2->48 50 Antivirus detection for dropped file 2->50 52 Multi AV Scanner detection for dropped file 2->52 54 6 other signatures 2->54 11 Shipping Documents_pdf.gz.exe 18 2->11         started        process3 file4 38 C:\Users\user\AppData\Local\Temp\rsjsx.exe, PE32 11->38 dropped 14 rsjsx.exe 3 11->14         started        process5 file6 40 C:\Users\user\AppData\Local\Temp\696C.tmp, PE32 14->40 dropped 42 C:\Users\user\AppData\Local\Temp\642B.tmp, PE32 14->42 dropped 66 Multi AV Scanner detection for dropped file 14->66 68 Machine Learning detection for dropped file 14->68 70 Found hidden mapped module (file has been removed from disk) 14->70 72 Tries to detect virtualization through RDTSC time measurements 14->72 18 rsjsx.exe 14->18         started        21 WerFault.exe 23 9 14->21         started        23 conhost.exe 14->23         started        25 rsjsx.exe 14->25         started        signatures7 process8 signatures9 56 Modifies the context of a thread in another process (thread injection) 18->56 58 Maps a DLL or memory area into another process 18->58 60 Sample uses process hollowing technique 18->60 62 Queues an APC in another process (thread injection) 18->62 27 explorer.exe 18->27 injected process10 dnsIp11 44 shops.myshopify.com 23.227.38.74, 49712, 80 CLOUDFLARENETUS Canada 27->44 46 www.jzslime.com 27->46 64 System process connects to network (likely due to code injection or exploit) 27->64 31 cmmon32.exe 27->31         started        signatures12 process13 signatures14 74 Modifies the context of a thread in another process (thread injection) 31->74 76 Maps a DLL or memory area into another process 31->76 78 Tries to detect virtualization through RDTSC time measurements 31->78 34 cmd.exe 1 31->34         started        process15 process16 36 conhost.exe 34->36         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1edd52620047de1ae4461b1184c25a995a8b0f924582db0ec808e0f9763b5cfc/
Threat name:
Win32.Trojan.Leonem
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Status:
Malicious
First seen:
2022-10-17 06:58:50 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
25 of 26 (96.15%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=d3oveyqai7pbvzcgdmiyjqs2tfniwd4siwbnwdwibdqps5r3lt6a._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:sy01 rat spyware stealer trojan
Link:
https://tria.ge/reports/221017-wcbf1scgak/
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
Program crash
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Formbook payload
Formbook
Unpacked files
SH256 hash:
5a6b9e753d9f7078ec399721c6aa0405159c63219b217f222f6f20d1240091e5
MD5 hash:
8c34087ed573b47ee050dd24fb30eb52
SHA1 hash:
d46acf9eed2b7c6afd87e189d33b5e05785dc199
Detections:
FormBook
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/1e4f1572-5f8a-4e39-9acb-546dbba44bf9/
Parent samples :
260f5a6aff298b7aec332ba6500169a52412145dbe6d487f61970d34e7b69c57
2aa2b861c5fad54e2a32fa2cc376871cd2d80a1485412073f5b5f461a7723e29
1edd52620047de1ae4461b1184c25a995a8b0f924582db0ec808e0f9763b5cfc
e2f2df406e05d13e2245e2fe9da7128c257a7bb11464dce77ce386b51470abd8
b29e424c006aa87230a73e1289e52016446e85dc18dd7d60e79dbb8942ce57d4
9b4df9f66fdc83879d2ce5c5077f51e0ca02af50050fdeaccaca982bc0c59b52
071b55748a4bf8024c8db0de1a1e0201eb18bac7def0ceb902f0ff18039dfb2e
8a5eebc7b8520bde5c361db7249fe0d5286e9074dc7e0bfc555f3f2a1166bb2a
4422661ccc0d1ca90ea0427fbe9eacc398d819ef1f557c163a686fa127444c3a
SH256 hash:
74c32ab8f3c454bf266e7a3ff31e486750095dedfd8a696dd8f06df86da78be6
MD5 hash:
589df597b4e693348a81a07183cbafc0
SHA1 hash:
fe1018e06abf5eb912ed6770ae970c0dfc864752
Link:
https://www.unpac.me/results/1e4f1572-5f8a-4e39-9acb-546dbba44bf9/
SH256 hash:
1edd52620047de1ae4461b1184c25a995a8b0f924582db0ec808e0f9763b5cfc
MD5 hash:
1b4c517719a07b7470dc48fe20216321
SHA1 hash:
7356b6d68a4e55b9378f73ea89aff6713d714e70
Link:
https://www.unpac.me/results/1e4f1572-5f8a-4e39-9acb-546dbba44bf9/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1edd52620047/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/1edd52620047de1ae4461b1184c25a995a8b0f924582db0ec808e0f9763b5cfc

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
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Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:meth_get_eip
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Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
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.

Malspam

Formbook

gz 701ff7f32bdba43c3b71ed22575a77c14fca6eb641604d54b09516033a367432

Formbook

Executable exe 1edd52620047de1ae4461b1184c25a995a8b0f924582db0ec808e0f9763b5cfc

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 701ff7f32bdba43c3b71ed22575a77c14fca6eb641604d54b09516033a367432
  
Dropped by
SHA256 65638d79224dcbdcee5f797a03a76a344080533f937fbce5d4b7d92ce433c54d
Cape
Cape
https://www.capesandbox.com/analysis/321100/
  
Dropped by
MD5 15f4236b7f6e2a6d62813d40af8580c7
  
Dropped by
MD5 6716f7818267e95a57b452a7f7662262

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