MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c531fabadc6804c5ec1a9d2741e8e3a1366baca83b70acac740b9996489df4bd. 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 2 File information Comments
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SHA256 hash: c531fabadc6804c5ec1a9d2741e8e3a1366baca83b70acac740b9996489df4bd
SHA3-384 hash: c26568d18424baf37fe2fc502d80b1aacc76576ad920b3fedc6099cc7ce54c5aed62e05ac58930a29d7bbad926a8ffaa
SHA1 hash: 2296db4bde732ee09af6e61b6796835eca3f22fd
MD5 hash: 2e20cd4c0bacb0215d89790119b4c07d
humanhash: september-oregon-batman-vermont
File name:DHL Notification_pdf.exe
Download: download sample
Signature Formbook
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File size:944'640 bytes
First seen:2022-12-01 11:53:19 UTC
Last seen:2022-12-01 13:29:38 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:3iK6qU+EZX8KtiKtNGrPF7AcIzqwDGWxGGYN1Kj+4EO1p49wDdzoa1cfN:yK+RF5NqOcJwnAGYc+RO1m9wDdEPf
TLSH T18F15E09033A6AF71F2286BF37421804827763C2E95E5D2296DDDF0DE2A72B5049F1B17
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter Anonymous
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
187
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
DHL Notification_pdf.exe
Verdict:
Malicious activity
Analysis date:
2022-12-01 11:55:39 UTC
Tags:
formbook xloader trojan stealer
Link:
https://app.any.run/tasks/36916ec7-66a3-4192-a14c-0b7abea0b57e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/341095/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.389.26173.26448.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/638895db53133aaaf83c1a3f/reports/3b072d76-b4db-48aa-8091-a74dd2f72642/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/5b70666d-69cd-4fcd-b48a-1ea190f6d0bd
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1125305
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Initial sample is a PE file and has a suspicious name
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)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c531fabadc6804c5ec1a9d2741e8e3a1366baca83b70acac740b9996489df4bd/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-11-29 07:08:58 UTC
File Type:
PE (.Net Exe)
Extracted files:
43
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yuy7vow4nacml3a2tutud2hdue3gxlfihnykzldubomzmse56s6q._file
Verdict:
malicious
Label(s):
formbook
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cobaltstrike
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:j17j rat spyware stealer trojan
Link:
https://tria.ge/reports/221201-n2w51sea52/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/14fb2839-dc3b-43c9-8a8a-cd59c8a596a0
Unpacked files
SH256 hash:
09033dd4c14a6710193a8c480c2376c8fc6616416eeead9c600cfc14a4b6ec25
MD5 hash:
43e19efb4c4d3758686635a8aa31f6fb
SHA1 hash:
6715d21730658f0063b7030b8a7ec498c52eabb8
Detections:
FormBook
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win_formbook_auto
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win_formbook_g0
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Link:
https://www.unpac.me/results/bbcadc6c-1b5b-4713-82d0-3c95615e2cb6/
Parent samples :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 hash:
bea357d7f6db75951551f242985b9dbccb3d4ca71fc1be6a5643d13b446660e7
MD5 hash:
6ba15e96ed2088cb0a43134c1e0ab8df
SHA1 hash:
e6ea023adc0177a0e4730d91fd7158026d19d94f
Link:
https://www.unpac.me/results/bbcadc6c-1b5b-4713-82d0-3c95615e2cb6/
SH256 hash:
3624268b1bf67fd3f560f345e5171f3a2f8968a776c23816ea76fc0ef41b0f03
MD5 hash:
1619753b625e58c25b73fbf1f0bff482
SHA1 hash:
c0d7922bdbc10ef0ee1606a40c2dedd22cb180d4
Link:
https://www.unpac.me/results/bbcadc6c-1b5b-4713-82d0-3c95615e2cb6/
SH256 hash:
340ba2312d5cdfc3d89f3f35f627187dcb406e5afea134bc76b04f52f4285df3
MD5 hash:
85f9290aa8900e9fd74b01ee23125706
SHA1 hash:
310eb5e4aea5471b74a6385f1da283b9d8e3d698
Link:
https://www.unpac.me/results/bbcadc6c-1b5b-4713-82d0-3c95615e2cb6/
SH256 hash:
3a6ef8972685d937809eede1b69f1c70bc1084d1b1a7e605374a0131a7a0cc52
MD5 hash:
2ec3454833f33287581ba0efd42a1106
SHA1 hash:
1ee0641dc0792848b09e346eae65041b56843332
Link:
https://www.unpac.me/results/bbcadc6c-1b5b-4713-82d0-3c95615e2cb6/
SH256 hash:
c531fabadc6804c5ec1a9d2741e8e3a1366baca83b70acac740b9996489df4bd
MD5 hash:
2e20cd4c0bacb0215d89790119b4c07d
SHA1 hash:
2296db4bde732ee09af6e61b6796835eca3f22fd
Link:
https://www.unpac.me/results/bbcadc6c-1b5b-4713-82d0-3c95615e2cb6/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c531fabadc68/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/c531fabadc6804c5ec1a9d2741e8e3a1366baca83b70acac740b9996489df4bd

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: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.

Malspam

Formbook

Executable exe c531fabadc6804c5ec1a9d2741e8e3a1366baca83b70acac740b9996489df4bd

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/341095/

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