MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cdf5c57b42c0d59cf1d683dd2e1999a2bc874fda7c521b25af910f80fd012691. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
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SHA256 hash: cdf5c57b42c0d59cf1d683dd2e1999a2bc874fda7c521b25af910f80fd012691
SHA3-384 hash: b34999163b9cbf5f10cbd454037c4312549d83cdd381881454cb5e0a242b82e62be652138d09c7b4bb1bd8298f1db7f7
SHA1 hash: f874fcd17517e88bec44350a17309ec26b58d8fc
MD5 hash: 8a8dd3ae4c5731acff6cd279d87702eb
humanhash: fourteen-lake-sad-wyoming
File name:DHL Notification_pdf.exe
Download: download sample
Signature Formbook
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File size:847'872 bytes
First seen:2022-12-05 08:12:28 UTC
Last seen:2022-12-12 08:45:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'638 x Formbook, 12'244 x SnakeKeylogger)
ssdeep 12288:dWnciekg586aWHffaOTWE5AlUsOetrCGBbK8z2b5Uyx1093QdQ0uyG:0nZeB5O8fa171FtdJK8z2lh10F+Yy
TLSH T1F5052A4CF3089D36FDA993FD3691409E629E148D6470E7E08A88E4FD7234E9E2BDB505
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 adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
4
# of downloads :
174
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:
2022-12-05 08:19:22 UTC
Tags:
formbook xloader trojan stealer
Link:
https://app.any.run/tasks/5d4d7f4a-bf79-4258-a065-38d16f0cf17d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/342778/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.389.8732.12966.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/638da813f6e448d42df74902/reports/0ce2d6dc-c48b-4b7d-9f1a-1a13f0a15fd7/overview
Result
Verdict:
UNKNOWN
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/b44f3eb0-f164-478f-85bd-320a4a4b5e27
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1127816
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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/cdf5c57b42c0d59cf1d683dd2e1999a2bc874fda7c521b25af910f80fd012691/
Threat name:
Win32.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-12-05 02:48:29 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
15 of 40 (37.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zx24k62cydkzz4owqpos4gmzuk6iot62prjbwjnpsehyb7ibe2iq._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/221205-j4eljaba99/
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
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
09033dd4c14a6710193a8c480c2376c8fc6616416eeead9c600cfc14a4b6ec25
MD5 hash:
43e19efb4c4d3758686635a8aa31f6fb
SHA1 hash:
6715d21730658f0063b7030b8a7ec498c52eabb8
Detections:
FormBook
Create hunting rule
win_formbook_auto
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win_formbook_g0
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Link:
https://www.unpac.me/results/da6402e6-d4cf-414a-9ae7-b43c3fd4cd1f/
Parent samples :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 hash:
b903b19f9884e6fd39701e7216039d11e0cbac3bb52a1e21f3f16eb9fd2a7167
MD5 hash:
d8a2b8f2a4ba9e10bb7ba26133b4a662
SHA1 hash:
e2f45eefe90458ffc6a584372c234c7c024b8d11
Link:
https://www.unpac.me/results/da6402e6-d4cf-414a-9ae7-b43c3fd4cd1f/
SH256 hash:
98dd5a26bfa3ed25d9afb4fdcba49fb8aaabc8f045954ccc5f9f19186207928e
MD5 hash:
5da0478aa62f70b0920389107090e311
SHA1 hash:
b8d17923b03d5eadfa998a257e97c77d06aba2d9
Link:
https://www.unpac.me/results/da6402e6-d4cf-414a-9ae7-b43c3fd4cd1f/
SH256 hash:
4ee60523f3c5539d03eddfc2e17cbd4dbf19a18e8909d0d588ad103d6edf035b
MD5 hash:
bff6f69f0462353c9d308ccb4177a957
SHA1 hash:
7cd553cb3f39bd241ac315627c486759299fc218
Link:
https://www.unpac.me/results/da6402e6-d4cf-414a-9ae7-b43c3fd4cd1f/
SH256 hash:
015c61d778897f992c81bd1cfbb8ddb53eb0bbaf010757ea88184babfd35a1c6
MD5 hash:
02d1d18dda037f8f749b4b5fc51597cd
SHA1 hash:
5d2d2a1d4569a8836fb468ff86cdaccb52e3fb23
Link:
https://www.unpac.me/results/da6402e6-d4cf-414a-9ae7-b43c3fd4cd1f/
SH256 hash:
cdf5c57b42c0d59cf1d683dd2e1999a2bc874fda7c521b25af910f80fd012691
MD5 hash:
8a8dd3ae4c5731acff6cd279d87702eb
SHA1 hash:
f874fcd17517e88bec44350a17309ec26b58d8fc
Link:
https://www.unpac.me/results/da6402e6-d4cf-414a-9ae7-b43c3fd4cd1f/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/cdf5c57b42c0/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/cdf5c57b42c0d59cf1d683dd2e1999a2bc874fda7c521b25af910f80fd012691

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 cdf5c57b42c0d59cf1d683dd2e1999a2bc874fda7c521b25af910f80fd012691

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/342778/

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