MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d612f5bbe5a52c3bfa7bae355fea53d60f252f0bad240bf12af3d31666b5fcf1. 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: 18


Intelligence 18 IOCs YARA 1 File information Comments
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SHA256 hash: d612f5bbe5a52c3bfa7bae355fea53d60f252f0bad240bf12af3d31666b5fcf1
SHA3-384 hash: f6a8b371c90187f87990c609518fc79cd1b650b2407ed008e52df826cb6d68d5241620d8cdf46527949baa9a76483302
SHA1 hash: 1681e84c42516e88b50f2b7b51555baea1db50d1
MD5 hash: 6e108faf5eeb7791325b1059ecbe617b
humanhash: texas-colorado-louisiana-seven
File name:AGRUBU 0550.06092023.pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:479'022 bytes
First seen:2023-06-09 12:36:31 UTC
Last seen:2023-06-09 13:57:18 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 431 x GuLoader)
ssdeep 6144:+Ya6vdMC5muIKMGOZ9pgeOr+Nr+cNo0XUuvNS:+YXpkaCpTN5Uu0
Threatray 2'742 similar samples on MalwareBazaar
TLSH T167A49D2771DCEACBD4AC89755C2AF73D7112AC2584228C16BD8AF84DD0F165269F3A3C
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 f2ceaeaeb2968eaa (68 x RedLineStealer, 21 x AgentTesla, 18 x AveMariaRAT)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
312
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
AGRUBU 0550.06092023.pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-06-09 12:37:41 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/f89c18c4-dfc1-4d3d-a227-d0fc3f5221f3

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/397390/
Detection(s):
Sanesecurity.Malware.28947.BadP.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a file
Unauthorized injection to a recently created process
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Sending a custom TCP request
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/90135/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
lolbin overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/64831cefd9c56cc8fb4342a3/reports/68cfb9e4-d080-4d02-9abd-591eda70ab0a/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/d612f5bbe5a52c3bfa7bae355fea53d60f252f0bad240bf12af3d31666b5fcf1
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/33917c59-7a7a-48a4-a00f-32ee5330db13
Result
Threat name:
FormBook, NSISDropper
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1251931
Signature
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
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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 netsh to modify the Windows network and firewall settings
Yara detected FormBook
Yara detected NSISDropper
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 884950 Sample: AGRUBU_0550.06092023.pdf.exe Startdate: 09/06/2023 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic 2->36 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 8 other signatures 2->42 10 AGRUBU_0550.06092023.pdf.exe 19 2->10         started        process3 file4 28 C:\Users\user\AppData\Local\...\iigjewvs.dll, PE32 10->28 dropped 54 Detected unpacking (changes PE section rights) 10->54 56 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 10->56 58 Maps a DLL or memory area into another process 10->58 60 Tries to detect virtualization through RDTSC time measurements 10->60 14 AGRUBU_0550.06092023.pdf.exe 10->14         started        signatures5 process6 signatures7 62 Modifies the context of a thread in another process (thread injection) 14->62 64 Maps a DLL or memory area into another process 14->64 66 Sample uses process hollowing technique 14->66 68 Queues an APC in another process (thread injection) 14->68 17 explorer.exe 4 1 14->17 injected process8 dnsIp9 30 www.pika-moon.fun 103.236.201.28, 80 IDNIC-IDCLOUDHOST-AS-IDPTCloudHostingIndonesiaID Indonesia 17->30 32 www.seshoo.com 13.248.169.48, 49698, 80 AMAZON-02US United States 17->32 34 4 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 46 Uses netsh to modify the Windows network and firewall settings 17->46 21 netsh.exe 17->21         started        signatures10 process11 signatures12 48 Modifies the context of a thread in another process (thread injection) 21->48 50 Maps a DLL or memory area into another process 21->50 52 Tries to detect virtualization through RDTSC time measurements 21->52 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/d612f5bbe5a52c3bfa7bae355fea53d60f252f0bad240bf12af3d31666b5fcf1/
Threat name:
Win32.Trojan.Strab
Create hunting rule
Status:
Malicious
First seen:
2023-06-09 10:16:45 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
17 of 23 (73.91%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2yjplo7fuuwdx6t3vy2v72st2yhsklylvusax4jk6pjrmzvv7tyq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
2b6923e725beaa10c278e54a42de3a19992691872cb955d7ece300beb69f44be
Formbook
3343ba4097fe8b6b91af0ca46abb0baf6052acf1806571432cc7e9e0ba59fa2a
Formbook
411866fa8b5f27b7254d3bdc1b152c33e8a6420ae444f5242023df50f06b2c21
Formbook
59162d6533d5d56ceedd3f8a24e85e75cd198c72db5719188a4a582752d7fbe4
Formbook
a2ed07bb61747f46086f07900e698d552f1a36ac21bbeee313894743aeb1276a
Formbook
a7a67f0d8860da70cc96c8b72df93811f872175a4aa94230fa583ce2368f79b1
Formbook
ab0b1f056d4030a9988c12df83064169e07f5cd2a9e7c51833ff057d2d8eedf3
Formbook
f14965866d8a9a8c9a12cb2bef6c0cf53e72cbf7f8f61477b42f7aa4f9b417be
Formbook
f309a5ac633edcbd01916f6bc4cfd10d90982f0443b57e19a5828fd70e83ce10
Formbook
+ 2'732 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:sn84 rat spyware stealer trojan
Link:
https://tria.ge/reports/230609-ptf99scb33/
Behaviour
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
Deletes itself
Loads dropped DLL
Formbook payload
Formbook
Unpacked files
SH256 hash:
aee412816bc56ea7fde9b2951d4189a8f502e76d4c210b309a9931286e9335b6
MD5 hash:
5ee95722cd3e90cbf1a3be45fec95b11
SHA1 hash:
ff089d1a7de8e57acf4641a1c76b2a674200d17c
Link:
https://www.unpac.me/results/c8032c74-a59f-4738-9db3-6c9fb2ee10d0/
SH256 hash:
d612f5bbe5a52c3bfa7bae355fea53d60f252f0bad240bf12af3d31666b5fcf1
MD5 hash:
6e108faf5eeb7791325b1059ecbe617b
SHA1 hash:
1681e84c42516e88b50f2b7b51555baea1db50d1
Link:
https://www.unpac.me/results/c8032c74-a59f-4738-9db3-6c9fb2ee10d0/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/d612f5bbe5a5/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/d612f5bbe5a52c3bfa7bae355fea53d60f252f0bad240bf12af3d31666b5fcf1

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:shellcode
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Author:nex
Description:Matched shellcode byte patterns

File information

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

Malspam

Formbook

Executable exe d612f5bbe5a52c3bfa7bae355fea53d60f252f0bad240bf12af3d31666b5fcf1

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/397390/

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