MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 79502e93c135e0d3debbefd5b73f834cd33280421a6242d8839bcbfcfd0ed1dc. 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: 14


Intelligence 14 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 79502e93c135e0d3debbefd5b73f834cd33280421a6242d8839bcbfcfd0ed1dc
SHA3-384 hash: b877a770fa35c58fb8d47e71b6c988ecc1c47c9a00abc5ebdad70d96166f642e9438730d4a79a5e58f54eb2ad9f92274
SHA1 hash: a2bf3f31eed8a91dee559b0398c76ed15d029272
MD5 hash: d2e0bc1d78d31b30cdbd1d3eadfdac12
humanhash: georgia-blue-september-speaker
File name:SW97638652-005. pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:663'040 bytes
First seen:2022-08-23 20:34:52 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'795 x AgentTesla, 19'693 x Formbook, 12'274 x SnakeKeylogger)
ssdeep 12288:ia+N/u3XDG20Uqn8jf4LETK5I3dvmAV2SMABAn/dPVLUWNEnmtqVNTO:+NcG29qn8kQuGNHsVVRWnZLi
TLSH T18BE401A9337A6F2AE43D47F55170028013BA6267B296E78F5ED230CE6C32F655708E47
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 13331333690d3749 (11 x Formbook, 5 x AgentTesla, 1 x AveMariaRAT)
Reporter TeamDreier
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
422
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
SW97638652-005. pdf.exe
Verdict:
Malicious activity
Analysis date:
2022-08-23 20:36:27 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/7ae827f6-4ea4-4619-955c-13d729614ab0

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/300675/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1506.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/63053a07d7605fd95ea1fca8/reports/40509b2b-f14a-49ab-907e-511cafa6f04a/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/e315093c-f00c-4479-b047-9bc8354b7fcd
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1056619
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Deletes itself after installation
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 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 harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 689136 Sample: SW97638652-005. pdf.exe Startdate: 23/08/2022 Architecture: WINDOWS Score: 100 32 www.msk-kadril.store 2->32 36 Malicious sample detected (through community Yara rule) 2->36 38 Antivirus detection for URL or domain 2->38 40 Multi AV Scanner detection for submitted file 2->40 42 7 other signatures 2->42 9 SW97638652-005. pdf.exe 3 2->9         started        signatures3 process4 file5 24 C:\Users\user\...\SW97638652-005. pdf.exe.log, ASCII 9->24 dropped 12 SW97638652-005. pdf.exe 9->12         started        15 SW97638652-005. pdf.exe 9->15         started        process6 signatures7 52 Modifies the context of a thread in another process (thread injection) 12->52 54 Maps a DLL or memory area into another process 12->54 56 Sample uses process hollowing technique 12->56 58 Queues an APC in another process (thread injection) 12->58 17 explorer.exe 12->17 injected process8 dnsIp9 26 www.caraudiohub-au.site 64.190.63.111, 49729, 49730, 80 NBS11696US United States 17->26 28 www.uniquegiftlab.com 188.114.97.3, 49725, 80 CLOUDFLARENETUS European Union 17->28 30 3 other IPs or domains 17->30 34 System process connects to network (likely due to code injection or exploit) 17->34 21 cmmon32.exe 13 17->21         started        signatures10 process11 signatures12 44 Tries to steal Mail credentials (via file / registry access) 21->44 46 Tries to harvest and steal browser information (history, passwords, etc) 21->46 48 Deletes itself after installation 21->48 50 2 other signatures 21->50
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/79502e93c135e0d3debbefd5b73f834cd33280421a6242d8839bcbfcfd0ed1dc/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-08-23 10:10:46 UTC
File Type:
PE (.Net Exe)
Extracted files:
55
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=pfic5e6bgxqnhxv357k3op4djtjtfaccdjrefwedtpf7z7io2hoa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/220823-zc1bxsbccr/
Behaviour
Gathers network information
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
Suspicious use of SetThreadContext
Checks computer location settings
Unpacked files
SH256 hash:
253c6a84a874153c19bf05bec4d01ffe7fc0f2d2f2df4e3238a13365b1ea8cc7
MD5 hash:
e3ac841b57fe32808772e1ad00cadee8
SHA1 hash:
f841dfae708b50887f39963128d4249181dfef68
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/b430c725-e768-4997-b703-4c5772e67b4d/
Parent samples :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 hash:
24dababb2670cdb4fdc98f11ab48e8fc0a44ce20aea877fb745280f853f9a63c
MD5 hash:
bc6f922c2742d7fcf828a0d4d0276750
SHA1 hash:
069353b0142b81289358f492e886798610f4a438
Link:
https://www.unpac.me/results/b430c725-e768-4997-b703-4c5772e67b4d/
SH256 hash:
ceda93fdfce3ad8e4f800d4f2d940d793b68b4b0b254b652bf42e13dbd189ba7
MD5 hash:
786afe844ec1723b635cace747b60efd
SHA1 hash:
fa647a584a7fcad392147a182e3a2435b3ad5bb9
Link:
https://www.unpac.me/results/b430c725-e768-4997-b703-4c5772e67b4d/
SH256 hash:
dfcf9f50b828b52e71173b7adb8e356d367bacbde6ac5e2aeacfeeca50eab76d
MD5 hash:
65cb0f1c1e63831ce4b7b00f80c86023
SHA1 hash:
2d4e8461a6b8bf646e58a0ef5faa9ea3b3a6defa
Link:
https://www.unpac.me/results/b430c725-e768-4997-b703-4c5772e67b4d/
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
Link:
https://www.unpac.me/results/b430c725-e768-4997-b703-4c5772e67b4d/
SH256 hash:
843237dca6fe3d64ecd683a045f86b5895a17a5091a184cd454ee001697992c5
MD5 hash:
413179e7f86b67108e8007e7e506b9c3
SHA1 hash:
1bb3f05800ab55782a14483c5babcdf337551dee
Link:
https://www.unpac.me/results/b430c725-e768-4997-b703-4c5772e67b4d/
SH256 hash:
79502e93c135e0d3debbefd5b73f834cd33280421a6242d8839bcbfcfd0ed1dc
MD5 hash:
d2e0bc1d78d31b30cdbd1d3eadfdac12
SHA1 hash:
a2bf3f31eed8a91dee559b0398c76ed15d029272
Link:
https://www.unpac.me/results/b430c725-e768-4997-b703-4c5772e67b4d/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/79502e93c135/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/79502e93c135e0d3debbefd5b73f834cd33280421a6242d8839bcbfcfd0ed1dc

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:malware_Formbook_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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 79502e93c135e0d3debbefd5b73f834cd33280421a6242d8839bcbfcfd0ed1dc

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/300675/

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