MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cfc752ec433c3266ed323718ba8bf6f6d3a71769915a167fcd924eed5f51ebb6. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cfc752ec433c3266ed323718ba8bf6f6d3a71769915a167fcd924eed5f51ebb6
SHA3-384 hash: 1213b88ea12cbe82bb56a74f5fa61f2394a7032db78a472cac0d4f06017176f34d63b0cb9a03430160355ae14ca63c44
SHA1 hash: 5a7b1467e47b80a5df225b53ad0f211d831ab5b5
MD5 hash: c117780172ce16b681824323fa5588e8
humanhash: nitrogen-september-oscar-pip
File name:DHL Notification_pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'158'656 bytes
First seen:2022-09-15 12:09:04 UTC
Last seen:2022-09-27 15:53:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:YqFuZ7Pmi7R7Sj3ZhmMhNG4w+Dy3+3lfLm:YWuZBs3zxDyu3lfq
TLSH T15735E0581765C907C8AAA574DCD2E2701FB85EC4876FC35B08D87CB7BA3A3986C913B1
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2b2b2b2b2b2b2b2 (8 x Formbook, 5 x AgentTesla, 3 x Loki)
Reporter abuse_ch
Tags:DHL exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
281
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
DHL Notification_pdf.exe
Verdict:
Malicious activity
Analysis date:
2022-09-16 07:38:22 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/b54fa7c6-29eb-49b2-8881-c98b272a0864

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/310250/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Launching cmd.exe command interpreter
Searching for the window
Creating a window
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6323162a1183046074a340e2/reports/4f9e6cf2-9940-41eb-a158-9e52667962b1/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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/02000d6f-4b4c-4622-8a00-188b4aed19c0
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1070891
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses ipconfig to lookup or modify the Windows network settings
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/cfc752ec433c3266ed323718ba8bf6f6d3a71769915a167fcd924eed5f51ebb6/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-09-15 12:10:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
21 of 25 (84.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=z7dvf3cdhqzgn3jsg4mlvc7w63j2of3jsfnbm76nsjho2x2r5o3a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:ko29 rat spyware stealer trojan
Link:
https://tria.ge/reports/220915-pbgs3sdac4/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/9d3408d3-b607-4caf-ae12-e090c987a641
Unpacked files
SH256 hash:
86125d2ae6fc2cf55c046eb22c1c9d8fe14b9979125a9668b7f077f19d1607b3
MD5 hash:
87070ce14f10284f05356e3112627405
SHA1 hash:
a0899226b01bf7e066dafb289b94d05feee05bd2
Detections:
FormBook
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/246a46e7-2e34-4177-9ee1-d7f0d9880f8a/
Parent samples :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 hash:
49d273673c105b093ac3233b2255955c8e4c0b485e237c4a0949ba6a32cfe616
MD5 hash:
cffe0dbcacde3e2743e1eceab33491b0
SHA1 hash:
2e05b5375ad72a9f1020a505b1a953fb38c856ef
Link:
https://www.unpac.me/results/246a46e7-2e34-4177-9ee1-d7f0d9880f8a/
SH256 hash:
3c733e80c8aa69352c01b5b789e1a39c04feef7f26cd249701c18967be292b14
MD5 hash:
d999c7be6146e43dbd25a710fd5cc7ef
SHA1 hash:
27fcb2d1cbb8e42157af5e5d37e9effc84259325
Link:
https://www.unpac.me/results/246a46e7-2e34-4177-9ee1-d7f0d9880f8a/
SH256 hash:
44c50087cbd9a86677ff5b898c1ad52abf5f25297179a174edcc8b81dec967fc
MD5 hash:
d012ba9057bf67c7f29871326f2af919
SHA1 hash:
1d5b8b512b37f0e1900496b578117082929654c7
Link:
https://www.unpac.me/results/246a46e7-2e34-4177-9ee1-d7f0d9880f8a/
SH256 hash:
e20ec8f3c957bcb6a194ef688bae8af2015cfffb20e7baf8b2114d7b70ade4ee
MD5 hash:
35cb29046968faca7f3f3b4463449b6c
SHA1 hash:
088c8c30ec1bece0a4b5bbfe3982b073f8b95598
Link:
https://www.unpac.me/results/246a46e7-2e34-4177-9ee1-d7f0d9880f8a/
SH256 hash:
cfc752ec433c3266ed323718ba8bf6f6d3a71769915a167fcd924eed5f51ebb6
MD5 hash:
c117780172ce16b681824323fa5588e8
SHA1 hash:
5a7b1467e47b80a5df225b53ad0f211d831ab5b5
Link:
https://www.unpac.me/results/246a46e7-2e34-4177-9ee1-d7f0d9880f8a/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/cfc752ec433c/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.81
Link:
https://yomi.yoroi.company/submissions/cfc752ec433c3266ed323718ba8bf6f6d3a71769915a167fcd924eed5f51ebb6

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
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
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 cfc752ec433c3266ed323718ba8bf6f6d3a71769915a167fcd924eed5f51ebb6

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/310250/

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