MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef20282677db7a5c43185fa1c317ca08ba225107e3543a10e4bf5c922139c278. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ef20282677db7a5c43185fa1c317ca08ba225107e3543a10e4bf5c922139c278
SHA3-384 hash: f2e4cd90aa6db76c54287a94b5d3bba071a1a20f406f349a6985217751e925732a46938e2492b205e3daf277bf4acb5d
SHA1 hash: 957711d5d304945687592cf990c09eb32f7a692e
MD5 hash: 83a5b05185281701428e728705549ff6
humanhash: football-princess-georgia-earth
File name:DHL Notification_pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:308'425 bytes
First seen:2023-04-01 07:24:23 UTC
Last seen:2023-04-05 22:56:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 431 x GuLoader)
ssdeep 6144:/Ya6QT2r47K4MxfbZR2bmejdQWtH0iFLQ7wrxe1usxxBVFrPw/5fkeQubEd05++D:/YGT2cBMj2feI0iSUdOaMegO+1+
Threatray 2'635 similar samples on MalwareBazaar
TLSH T1EB6412443790C9B3FCA5AB321E7B4B514AF78811B5BE539607118FACB9A6203BE1F711
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 b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter abuse_ch
Tags:DHL exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
271
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DHL Notification_pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-04-01 07:30:18 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/5060ee16-c32f-4921-b4fb-0d579f72429f

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/379205/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.66179703.3034.8361.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
DNS request
Sending an HTTP GET request
Reading critical registry keys
Unauthorized injection to a recently created process
Launching the default Windows debugger (dwwin.exe)
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/75996/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
comodo formbook nemesis overlay packed remcos shell32.dll
Link:
https://www.filescan.io/uploads/6427dc53c56b2da73aca4604/reports/72d70dea-a71f-4d97-aaa9-66da37a608da/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/ef20282677db7a5c43185fa1c317ca08ba225107e3543a10e4bf5c922139c278
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/ac3edb8d-6f73-4126-96c8-107439ffe943
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad.rans.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1206295
Signature
Antivirus detection for URL or domain
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ef20282677db7a5c43185fa1c317ca08ba225107e3543a10e4bf5c922139c278/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-03-31 00:18:36 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
21 of 37 (56.76%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=54qcqjtx3n5fyqyyl6q4gf6kbc5ceuih4nkduehex5ojeijzyj4a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1682bd22bd27dd3a278554973648ee1bc62d456a029aefb95ec7dcecdb23e235
Formbook
652948efee89fdc5c6d3dc7f65a16aafabd0d224c9fcd55e5f86573f1b2c4aa1
Formbook
b819e0dd1a5dc229d16fa74251262ce7fdd7581a71f66c9dec61149a7c4c7a76
Formbook
bcfc27ac62a86bb98e019ba5eb2c6032fd5a56f6aacee84974b07217c2c1fe7f
Formbook
cc83e0a51f3dcd04a4c9b1a2ba3049227459cac541da52b518ee5ebcfbed4796
Formbook
e904274bd2e5d919c63c6db8c82f908abc10d65fdba772596e2953ab708b1726
Formbook
+ 2'625 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/230401-h8y1asgf66/
Behaviour
Modifies Internet Explorer settings
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
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Unpacked files
SH256 hash:
f8816454df8c7a338c47115575d1f3e1a952c8b6db0f57e46fa4381be9b16911
MD5 hash:
9256107151a9881eeb2524a18f3beae2
SHA1 hash:
342ea33bc8429ff1a710f9d4b1ada72fd1bde261
Detections:
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/0fda8e57-a7b8-4c56-b274-50d6aba70eff/
Parent samples :
e904274bd2e5d919c63c6db8c82f908abc10d65fdba772596e2953ab708b1726
cc83e0a51f3dcd04a4c9b1a2ba3049227459cac541da52b518ee5ebcfbed4796
93f922ec0297bd12a61774a11f85689c86f59f77f5d4641bbd2c403e135bd252
bcfc27ac62a86bb98e019ba5eb2c6032fd5a56f6aacee84974b07217c2c1fe7f
b90e0459fdb810054fc751ecbdf0e66e282f41a66d346aff061769712f1b360c
b819e0dd1a5dc229d16fa74251262ce7fdd7581a71f66c9dec61149a7c4c7a76
cf05a6c9248904af6ebb0a728f582c2ca34e11fe7cd9a2e4ebf876ea253256ad
bbfb2aacf1ff431d0ed71b54c499d3a56b6bcc90d5137cd78097b40c354c2353
87c35ff97227cac466f0dae47ba41a1b81fc197ba4a2dfc87cb855226e0f327f
c59154416f276d2f20a57bcef306c39ca0c3276c1ae4383003b0deb9efa08a0b
90144e9ed70c41764f7db4608bad61d08ec7d62f6e105fe862886cd44216d3d8
3fb2ea468d879582791fb74c6ef0898e45f62b2e22c6b6b1311def934957cde2
ef20282677db7a5c43185fa1c317ca08ba225107e3543a10e4bf5c922139c278
SH256 hash:
e04ae3656e18bbe8a8b43197f9cd86f672d7bb265446fe1fea60ac4424b9ac1e
MD5 hash:
ec97b39b3847b7636b6ff582f06c4b35
SHA1 hash:
3ec99e698e9659f9c398bfb7cf064e4af16efadb
Link:
https://www.unpac.me/results/0fda8e57-a7b8-4c56-b274-50d6aba70eff/
SH256 hash:
da038b82e6f87132ea23aff6cb55e9d312bf21883651890a38b02c95aafef8a6
MD5 hash:
fd05f9e10611b64493dafe3e89f412e3
SHA1 hash:
e40f490ef54e9fbc58b0f47e2cc631ee0be4d13c
Link:
https://www.unpac.me/results/0fda8e57-a7b8-4c56-b274-50d6aba70eff/
SH256 hash:
ef20282677db7a5c43185fa1c317ca08ba225107e3543a10e4bf5c922139c278
MD5 hash:
83a5b05185281701428e728705549ff6
SHA1 hash:
957711d5d304945687592cf990c09eb32f7a692e
Link:
https://www.unpac.me/results/0fda8e57-a7b8-4c56-b274-50d6aba70eff/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ef20282677db/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/ef20282677db7a5c43185fa1c317ca08ba225107e3543a10e4bf5c922139c278

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:shellcode
Create hunting rule
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 ef20282677db7a5c43185fa1c317ca08ba225107e3543a10e4bf5c922139c278

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/379205/

Comments