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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b22baa52239e6da2ea4b77b8fffaed7b32efdfe6847d6f437c372ce441d00e84. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments
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SHA256 hash: b22baa52239e6da2ea4b77b8fffaed7b32efdfe6847d6f437c372ce441d00e84
SHA3-384 hash: a17584e5c9674155e73921e4955d6b38bf85f69dca943a0e0e48324a728c9c390ced8d5036947012fa21900f320dc258
SHA1 hash: 3e549656067bf82fd5147e12c9b3d1d221a4f115
MD5 hash: ca425df0bddbff83b3fd8c1cb6ce1507
humanhash: beer-yellow-delaware-neptune
File name:DHL_FORM_14102022.PDF
Download: download sample
Signature Formbook
Create hunting rule
File size:176'128 bytes
First seen:2022-10-14 14:38:21 UTC
Last seen:2022-10-14 16:16:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'364 x AgentTesla, 20'869 x Formbook, 12'418 x SnakeKeylogger)
ssdeep 384:uS/cHwktWDPYSBfI3p/xdC54Chdj1ak9209mklRoaJ0ceNccPrNcVFVtl6uF4Zj5:uccIShChdJDzoaJKXXf3
TLSH T139048380ED0A9E8AF975A6B8086497D149713F3B88C35AE533CC3FC9983245631DF9B5
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)
File icon (PE):PE icon
dhash icon 00e8d4d8f0d4c000 (2 x Formbook)
Reporter abuse_ch
Tags:DHL exe FormBook pdf

Intelligence

File Origin
# of uploads :
2
# of downloads :
305
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/320407/
Detection(s):
SecuriteInfo.com.Trojan.DownLoader45.24804.21079.2631.UNOFFICIAL
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Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/634974884fc319a52d55c5d3/reports/e760451e-d179-4edb-a0dd-1edda73e5af4/overview
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/99a20db8-f92f-4ce0-a399-fd78840fcf69
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1090841
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Encrypted powershell cmdline option found
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected Costura Assembly Loader
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 723451 Sample: DHL_FORM_14102022.PDF.exe Startdate: 14/10/2022 Architecture: WINDOWS Score: 100 41 Snort IDS alert for network traffic 2->41 43 Multi AV Scanner detection for domain / URL 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 9 other signatures 2->47 8 DHL_FORM_14102022.PDF.exe 16 7 2->8         started        process3 dnsIp4 39 grecos.xyz 198.54.115.118, 443, 49707, 49710 NAMECHEAP-NETUS United States 8->39 29 C:\Users\user\AppData\...\Xheszpsi.exe, PE32 8->29 dropped 31 C:\Users\...\Xheszpsi.exe:Zone.Identifier, ASCII 8->31 dropped 33 C:\Users\...\DHL_FORM_14102022.PDF.exe.log, ASCII 8->33 dropped 55 Performs DNS queries to domains with low reputation 8->55 57 Encrypted powershell cmdline option found 8->57 59 Tries to detect virtualization through RDTSC time measurements 8->59 61 Injects a PE file into a foreign processes 8->61 13 DHL_FORM_14102022.PDF.exe 8->13         started        15 powershell.exe 16 8->15         started        17 DHL_FORM_14102022.PDF.exe 8->17         started        file5 signatures6 process7 process8 19 explorer.exe 13->19 injected 21 conhost.exe 15->21         started        process9 23 Xheszpsi.exe 14 2 19->23         started        27 Xheszpsi.exe 2 19->27         started        dnsIp10 35 grecos.xyz 23->35 49 Multi AV Scanner detection for dropped file 23->49 51 Performs DNS queries to domains with low reputation 23->51 53 Machine Learning detection for dropped file 23->53 37 grecos.xyz 27->37 signatures11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b22baa52239e6da2ea4b77b8fffaed7b32efdfe6847d6f437c372ce441d00e84/
Threat name:
ByteCode-MSIL.Trojan.Scarsi
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Status:
Malicious
First seen:
2022-10-14 09:51:16 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wiv2uurdtzw2f2slo64p76xnpmzo7x7gqr6w6q34g4woiqoqb2ca._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:ss73 persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/221014-rz96msdfgn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Formbook payload
Formbook
Malware Family:
n/a
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/42ef2c55-6749-43e7-b699-20c8db4864da
Unpacked files
SH256 hash:
b22baa52239e6da2ea4b77b8fffaed7b32efdfe6847d6f437c372ce441d00e84
MD5 hash:
ca425df0bddbff83b3fd8c1cb6ce1507
SHA1 hash:
3e549656067bf82fd5147e12c9b3d1d221a4f115
Link:
https://www.unpac.me/results/8e4cde6b-fea1-4b30-84d8-daa9cd5459ce/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/b22baa52239e6da2ea4b77b8fffaed7b32efdfe6847d6f437c372ce441d00e84

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:INDICATOR_EXE_Packed_SmartAssembly
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Author:ditekSHen
Description:Detects executables packed with SmartAssembly
Rule name:pe_imphash
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Rule name:Skystars_Malware_Imphash
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Author:Skystars LightDefender
Description:imphash

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/320407/

Comments