MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 44e3ed577325d16ea39deebd178c78d4022d21120a791f4c875c537fe60be2e1. 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 5 File information Comments
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SHA256 hash: 44e3ed577325d16ea39deebd178c78d4022d21120a791f4c875c537fe60be2e1
SHA3-384 hash: 5ff488b07b056b94cd0cac220c5f167e77f72919c6ced054fe82e63845676058db583227c45ff4aec79c99611076a389
SHA1 hash: 58f04b7fa7c55976de27a86a620e3301863802dc
MD5 hash: 894125e6917b2615cc1bf3088a67a1f5
humanhash: white-harry-eighteen-bluebird
File name:E-dekont.pdf.exe
Download: download sample
Signature Formbook
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File size:226'805 bytes
First seen:2022-11-22 10:18:13 UTC
Last seen:2022-11-22 11:32:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 29b61e5a552b3a9bc00953de1c93be41 (174 x Formbook, 82 x AgentTesla, 81 x Loki)
ssdeep 3072:WfJSq+ytGIon9KcSMhCOwEgjOFdLZkYEn9/qulHdf1YChR6EwiaKHKMybpq6fAUH:MEa0N0OhFfkYAquffemVaSKLLjM5oB
TLSH T19124124270F0E967EDC72A335A73E323C2F6C71959B3690387A92E77593A3817326191
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 lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
261
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
E-dekont.pdf.exe
Verdict:
Malicious activity
Analysis date:
2022-11-22 10:21:16 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/fb6aece5-887f-40e7-9e48-a6d3c440a7dd

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/337171/
Detection(s):
SecuriteInfo.com.FileRepMalware.26929.21636.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a process from a recently created file
Searching for the window
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
Setting browser functions hooks
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/637ca217bf871f68ac7db992/reports/3b29db10-38ec-4c95-be6a-423a95bc9317/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:
LockBit Ransomware
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e72e9f20-1a38-4132-86eb-7e3e83686afb
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1118828
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 dropped file
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 dropped file
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 an obfuscated file name to hide its real file extension (double extension)
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 751538 Sample: E-dekont.pdf.exe Startdate: 22/11/2022 Architecture: WINDOWS Score: 100 36 www.lesac-berra.com 2->36 38 lesac-berra.com 2->38 50 Snort IDS alert for network traffic 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Antivirus detection for URL or domain 2->54 56 7 other signatures 2->56 12 E-dekont.pdf.exe 18 2->12         started        signatures3 process4 file5 34 C:\Users\user\AppData\Local\...\dbhcmuef.exe, PE32 12->34 dropped 15 dbhcmuef.exe 1 12->15         started        process6 signatures7 66 Multi AV Scanner detection for dropped file 15->66 68 Machine Learning detection for dropped file 15->68 70 Maps a DLL or memory area into another process 15->70 72 Tries to detect virtualization through RDTSC time measurements 15->72 18 dbhcmuef.exe 15->18         started        21 conhost.exe 15->21         started        process8 signatures9 42 Modifies the context of a thread in another process (thread injection) 18->42 44 Maps a DLL or memory area into another process 18->44 46 Sample uses process hollowing technique 18->46 48 Queues an APC in another process (thread injection) 18->48 23 explorer.exe 18->23 injected process10 dnsIp11 40 www.pgcbl.online 209.17.116.163, 49696, 80 DEFENSE-NETUS United States 23->40 58 System process connects to network (likely due to code injection or exploit) 23->58 27 WWAHost.exe 23->27         started        signatures12 process13 signatures14 60 Modifies the context of a thread in another process (thread injection) 27->60 62 Maps a DLL or memory area into another process 27->62 64 Tries to detect virtualization through RDTSC time measurements 27->64 30 cmd.exe 1 27->30         started        process15 process16 32 conhost.exe 30->32         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/44e3ed577325d16ea39deebd178c78d4022d21120a791f4c875c537fe60be2e1/
Threat name:
Win32.Trojan.FormBook
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Status:
Malicious
First seen:
2022-11-22 09:55:44 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
32 of 41 (78.05%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=itr62v3texiw5i45526rpddy2qbc2iisbj4r6tehlrjx7zql4lqq._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:mi08 rat spyware stealer trojan
Link:
https://tria.ge/reports/221122-mchewsdc91/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Formbook payload
Formbook
Unpacked files
SH256 hash:
c4c9f9d286ad46b6c7f7be6711e318e27072b15c696b551e70df151d9b195ff4
MD5 hash:
48c9492553b135fa7ab0a7388c333733
SHA1 hash:
20732133e288acfa9cab07c9639dcac9a870fa47
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/c06df9ea-3b42-4003-8652-e68705248722/
Parent samples :
5a7945535c443873fa9822dea1d9b22987cf6abd43c2ebb12900b18d0f956d5e
5f12d75282af46d76785401c4e69c2f2cf3bc35281d337ce541ddc0e0f6f1725
44e3ed577325d16ea39deebd178c78d4022d21120a791f4c875c537fe60be2e1
b8024e250ead416a33d4ef90f4fafe7e2dfbd27e6028302b80896905fad4ac9a
890f77a5e151d7e87c3a0a953f471fb964e00644b798f37b566100d61b5f35ee
6e8de74475e365bdd0f573a03266f447a13f30a76cc2c71d14c1fc5607e1ae5d
bca421b3a0733bed5bb998a6fd9aac04e11cb6ef6136edc630e87d8494d52a83
834e38634cf12e2c06e51b06b8352e03097d29755a3e9510604a29d9940a9d49
SH256 hash:
f64390409d7120b77886758c65615ec361b2d71582fff1a8441428327252316b
MD5 hash:
feb630c29f71fd69f38d43fe967c2b29
SHA1 hash:
c8cd0d08cc665cead3d1eed3a8c2b502989a9597
Link:
https://www.unpac.me/results/c06df9ea-3b42-4003-8652-e68705248722/
SH256 hash:
44e3ed577325d16ea39deebd178c78d4022d21120a791f4c875c537fe60be2e1
MD5 hash:
894125e6917b2615cc1bf3088a67a1f5
SHA1 hash:
58f04b7fa7c55976de27a86a620e3301863802dc
Link:
https://www.unpac.me/results/c06df9ea-3b42-4003-8652-e68705248722/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/44e3ed577325/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.18
Link:
https://yomi.yoroi.company/submissions/44e3ed577325d16ea39deebd178c78d4022d21120a791f4c875c537fe60be2e1

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:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:Windows_Trojan_Formbook
Create hunting rule
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Create hunting rule
Author:Elastic Security
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information

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

Malspam

Formbook

Executable exe 44e3ed577325d16ea39deebd178c78d4022d21120a791f4c875c537fe60be2e1

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/337171/

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