MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 48a1348edeb4143fb0a547c959a4bcba1af8b2eeaf99a0264f46d1b747d106d4. 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: 48a1348edeb4143fb0a547c959a4bcba1af8b2eeaf99a0264f46d1b747d106d4
SHA3-384 hash: 9dd41a1a64d9da672e124bdcab94de837c8c2214d282ac7d3306e246a0917001f2326747a064b23dce6659a163c24bea
SHA1 hash: 53e6ffec9da74ab69eaac73231b2601c69d21eed
MD5 hash: e688be44cd3627808387d5624ba8fd6f
humanhash: batman-hydrogen-autumn-comet
File name:e688be44cd3627808387d5624ba8fd6f.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:855'552 bytes
First seen:2022-11-02 14:54:51 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:936t+k1KHP3bwhuJPhmQv9zps77Tu/5gbgU5xdzVrDLFrc5z6zYUXVeG4j:RHzguJPhxs72gbgS5n6M1VG
TLSH T10F05D023B2669D43C7D802B7CCD6C1301375B99DE7F3D63A348022E938A3795EE85A95
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 6670596f4f4e0d0a (34 x Loki, 25 x AgentTesla, 21 x SnakeKeylogger)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
256
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
e688be44cd3627808387d5624ba8fd6f.exe
Verdict:
Suspicious activity
Analysis date:
2022-11-02 15:01:40 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/b4514255-a3fd-4816-918f-b3196b8b6dc7

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/327245/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.46086.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/636284cf9b2225917c1c6065/reports/3cccc63c-e4cf-44e2-bad0-546319f1f468/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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/462ed441-efc6-493f-8086-9296ce8038f5
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1103389
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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
System process connects to network (likely due to code injection or exploit)
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
behaviorgraph top1 signatures2 2 Behavior Graph ID: 736059 Sample: X5L2Q7N105.exe Startdate: 02/11/2022 Architecture: WINDOWS Score: 100 34 Malicious sample detected (through community Yara rule) 2->34 36 Antivirus detection for URL or domain 2->36 38 Multi AV Scanner detection for submitted file 2->38 40 7 other signatures 2->40 10 X5L2Q7N105.exe 3 2->10         started        process3 file4 30 C:\Users\user\AppData\...\X5L2Q7N105.exe.log, ASCII 10->30 dropped 50 Tries to detect virtualization through RDTSC time measurements 10->50 52 Injects a PE file into a foreign processes 10->52 14 X5L2Q7N105.exe 10->14         started        17 X5L2Q7N105.exe 10->17         started        signatures5 process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 14->54 56 Maps a DLL or memory area into another process 14->56 58 Sample uses process hollowing technique 14->58 60 Queues an APC in another process (thread injection) 14->60 19 explorer.exe 14->19 injected process8 dnsIp9 32 www.postoaklasvegas.com 208.91.197.27, 49696, 80 CONFLUENCE-NETWORK-INCVG Virgin Islands (BRITISH) 19->32 42 System process connects to network (likely due to code injection or exploit) 19->42 23 help.exe 19->23         started        signatures10 process11 signatures12 44 Modifies the context of a thread in another process (thread injection) 23->44 46 Maps a DLL or memory area into another process 23->46 48 Tries to detect virtualization through RDTSC time measurements 23->48 26 cmd.exe 1 23->26         started        process13 process14 28 conhost.exe 26->28         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/48a1348edeb4143fb0a547c959a4bcba1af8b2eeaf99a0264f46d1b747d106d4/
Threat name:
ByteCode-MSIL.Trojan.Woreflint
Create hunting rule
Status:
Malicious
First seen:
2022-11-02 01:01:59 UTC
File Type:
PE (.Net Exe)
Extracted files:
27
AV detection:
24 of 41 (58.54%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jcqtjdw6wqkd7mffi7evtjf4xinprmxov6m2ajspi3i3or6ra3ka._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:ey84 rat spyware stealer trojan
Link:
https://tria.ge/reports/221102-saf2yaccap/
Behaviour
Suspicious behavior: EnumeratesProcesses
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/159b4209-9acd-4724-9f11-a97e058b6e2f
Unpacked files
SH256 hash:
a5be8644a807add461af3241e0c5ec54cdcd738640754e891054e41d04dd31c3
MD5 hash:
ca4ce7e693360f4cd62ff8cccd27658b
SHA1 hash:
edc8f45ab9affeb8f5f76a914dd7fd281ce892e8
Detections:
FormBook
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/312d66a6-7158-4e6a-b33d-177f1b4c19be/
Parent samples :
1b2fe76bd1cad45feafc7bbf7301e8f48018aa27504fbb88af5d7030b6d0d242
c48d62d8d6f694ec85fb1c5661b0d09ade998b6ae765a47d28c3b8cf5849bf87
48a1348edeb4143fb0a547c959a4bcba1af8b2eeaf99a0264f46d1b747d106d4
74dbd2fba0d3539db525ced5dcb88433d50a6a778d33531513135b8af6b078c6
204c067d41b8b87286959a3a533e64f75a89d87d23e3c7d19c011cd1f6ba116c
35bf4f389e5d0dad4bcc9f0d5992038737f1031a9d590535b9d371e7b072dace
cf8e08686f8a6d0db148bb8e5185cd5ccd8a6a9203ac5603ec7a125e483dd989
SH256 hash:
15d73a776fe344c81d89f8c1403a88694e798a4698997b7e71ff8cd285043e5e
MD5 hash:
30f4d7c4a68786ee7add65357696b171
SHA1 hash:
f1dc5ea4551456140bda5f1be92ea156260cab2f
Link:
https://www.unpac.me/results/312d66a6-7158-4e6a-b33d-177f1b4c19be/
SH256 hash:
bc444c4ec803b91da7af06cb0eb233fe69f565067f89544bf750fc17a9ede6dd
MD5 hash:
b52058082749f08bbcb7036b0d4189e8
SHA1 hash:
90365baf6b18ff3139da00cd5caf30660643110e
Link:
https://www.unpac.me/results/312d66a6-7158-4e6a-b33d-177f1b4c19be/
SH256 hash:
6207f30b1a7d40c15c6395c8053519c6a12eead9243da9abd1ff4cfe1e823f37
MD5 hash:
11fd4636b7e04a0daa25cf6a329df23f
SHA1 hash:
7e8252705ded2c82367649d058a694f27ccac276
Link:
https://www.unpac.me/results/312d66a6-7158-4e6a-b33d-177f1b4c19be/
SH256 hash:
4bf9fd6f68c882f65dcbb6e1b177bb0a14e11b04c5ab4348b044a13b26365ebf
MD5 hash:
93744362ef4e62cd02e27b5129e374e6
SHA1 hash:
5049a34f358061f9700b1dc1e2efb074c161438a
Link:
https://www.unpac.me/results/312d66a6-7158-4e6a-b33d-177f1b4c19be/
SH256 hash:
48a1348edeb4143fb0a547c959a4bcba1af8b2eeaf99a0264f46d1b747d106d4
MD5 hash:
e688be44cd3627808387d5624ba8fd6f
SHA1 hash:
53e6ffec9da74ab69eaac73231b2601c69d21eed
Link:
https://www.unpac.me/results/312d66a6-7158-4e6a-b33d-177f1b4c19be/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/48a1348edeb4/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/48a1348edeb4143fb0a547c959a4bcba1af8b2eeaf99a0264f46d1b747d106d4

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.

Web download

Formbook

Executable exe 48a1348edeb4143fb0a547c959a4bcba1af8b2eeaf99a0264f46d1b747d106d4

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/327245/
  
URLhaus
https://urlhaus.abuse.ch/url/2355208/
  
Delivery method
Distributed via web download

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