MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8ce37af1383c79989d2d67cd434c4cd652e2c9fa7d69b271c32f313fc2f884c4. 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 2 File information Comments
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SHA256 hash: 8ce37af1383c79989d2d67cd434c4cd652e2c9fa7d69b271c32f313fc2f884c4
SHA3-384 hash: d014efa6a64026a7c4edefd0dd99c3402f7d165faddd60d4c9ba5234f735784320fcd96fedffac2955957d868a70d58a
SHA1 hash: 5209af256770eaedacdab5a671a48e55769b4de7
MD5 hash: ec4a5c4ff833c2d952c6d4b069172d02
humanhash: alabama-mobile-glucose-neptune
File name:Order #11162022#006 pdf.exe
Download: download sample
Signature Formbook
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File size:732'160 bytes
First seen:2022-11-16 08:30:09 UTC
Last seen:2022-11-16 11:01:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:K3uwJ8Gj2LCRPsE77v0L2XtCS0SpFlxC2enGgcpCYrN:K3xWGj22hv0L2t04lJebICQ
TLSH T193F4197979BCF412EE3BA9B70EE6AA4BCC331141121A81070D2837DEE935B763D4D14A
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon f72e98b1b9dccecf (17 x AgentTesla, 16 x SnakeKeylogger, 3 x Formbook)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
172
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
Order #11162022#006 pdf.exe
Verdict:
Malicious activity
Analysis date:
2022-11-16 08:33:14 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/a2c3fa6b-6e22-4535-93bc-a24474dca237

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/334695/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.21931.4098.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed phishing
Link:
https://www.filescan.io/uploads/63749fc7b7b400a0e0092596/reports/fa9c49bc-e4d6-4119-9cba-b29f151d6f91/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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1a6f5e6c-77da-4937-9b70-be13a1c3ae66
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1114630
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
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
Snort IDS alert for network traffic
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 dnsIp2 2 Behavior Graph ID: 747326 Sample: Order #11162022#006 pdf.exe Startdate: 16/11/2022 Architecture: WINDOWS Score: 100 31 www.chat-x.fun 2->31 35 Snort IDS alert for network traffic 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 9 other signatures 2->41 11 Order #11162022#006 pdf.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\...\Order #11162022#006 pdf.exe.log, ASCII 11->29 dropped 51 Injects a PE file into a foreign processes 11->51 15 Order #11162022#006 pdf.exe 11->15         started        signatures6 process7 signatures8 53 Modifies the context of a thread in another process (thread injection) 15->53 55 Maps a DLL or memory area into another process 15->55 57 Sample uses process hollowing technique 15->57 59 Queues an APC in another process (thread injection) 15->59 18 explorer.exe 15->18 injected process9 dnsIp10 33 www.renaissancerecords.online 194.58.112.174, 49695, 80 AS-REGRU Russian Federation 18->33 43 System process connects to network (likely due to code injection or exploit) 18->43 22 chkdsk.exe 18->22         started        signatures11 process12 signatures13 45 Modifies the context of a thread in another process (thread injection) 22->45 47 Maps a DLL or memory area into another process 22->47 49 Tries to detect virtualization through RDTSC time measurements 22->49 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8ce37af1383c79989d2d67cd434c4cd652e2c9fa7d69b271c32f313fc2f884c4/
Threat name:
ByteCode-MSIL.Spyware.SnakeLogger
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Status:
Malicious
First seen:
2022-11-16 07:11:55 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
22 of 40 (55.00%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rtrxv4jyhr4zrhjnm7gugtcm2zjofsp2pvu3e4odf4yt7qxyqtca._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:s14s rat spyware stealer trojan
Link:
https://tria.ge/reports/221116-kep7eadf9w/
Behaviour
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
Deletes itself
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/76d62925-0081-4084-a480-f1be21dfbe80
Unpacked files
SH256 hash:
8deae6d08f3d64a02d7cfe13b0c8d7dc7afcd978787eb5d7282b7d1006f55bfc
MD5 hash:
2e4b6680a75ae632289dd3267c02f40a
SHA1 hash:
62f676dca77e3366236fafa8f372b4dcb99c4f78
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/db439b5d-8fd2-4a09-87f9-c6e94b7c4c83/
Parent samples :
ab6ca79d5ad4fe400e7c57b831c71c0a11503f827e66abf52f51ba218854d7f9
cea0844bf755c190793ac29a2cd95220862993a84c5924faeddce381fcdf063c
51fed50e49897901d18109ff666e3ff6becaf4442d7b4f85a352513cdded551b
8ce37af1383c79989d2d67cd434c4cd652e2c9fa7d69b271c32f313fc2f884c4
SH256 hash:
e9dade76be19bd2a762a3a501d15bd522d3da024bb4d0b7701b3b317c17da40b
MD5 hash:
6e923ca4ca30d2082125563dcea8e056
SHA1 hash:
b41d0046e799e889d1051e247096ce77d0b6ad08
Link:
https://www.unpac.me/results/db439b5d-8fd2-4a09-87f9-c6e94b7c4c83/
SH256 hash:
cfc16a2dbb933b1b85807d48966e9301b9fc34f4c44e7357713ca88b54bf4ab4
MD5 hash:
aabd0bdc81026ade6c57383f21d5c227
SHA1 hash:
4b26936bb8c03be6d7963184215a5ab594ecb765
Link:
https://www.unpac.me/results/db439b5d-8fd2-4a09-87f9-c6e94b7c4c83/
SH256 hash:
da354d9fd7e5f4aec53e327f397e7b0db13786821ab05ade3386e90bbf089e5c
MD5 hash:
2777b0e25aa4799b3845bd0e50b1afc2
SHA1 hash:
3a078a79e20572a1e1654b4e280725fdd12ab996
Link:
https://www.unpac.me/results/db439b5d-8fd2-4a09-87f9-c6e94b7c4c83/
SH256 hash:
ab19f28c700d64814b0c55df868c30dfb94e0a1f9fb6f7bca05bac6eb78a4e52
MD5 hash:
1f2a6c02dcf9aa00a28a5039fb5b8ce0
SHA1 hash:
1ef480867d39b98368af7586a8e6ba38c0c3893a
Link:
https://www.unpac.me/results/db439b5d-8fd2-4a09-87f9-c6e94b7c4c83/
SH256 hash:
8ce37af1383c79989d2d67cd434c4cd652e2c9fa7d69b271c32f313fc2f884c4
MD5 hash:
ec4a5c4ff833c2d952c6d4b069172d02
SHA1 hash:
5209af256770eaedacdab5a671a48e55769b4de7
Link:
https://www.unpac.me/results/db439b5d-8fd2-4a09-87f9-c6e94b7c4c83/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8ce37af1383c/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/8ce37af1383c79989d2d67cd434c4cd652e2c9fa7d69b271c32f313fc2f884c4

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
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Rule name:Skystars_Malware_Imphash
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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 8ce37af1383c79989d2d67cd434c4cd652e2c9fa7d69b271c32f313fc2f884c4

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/334695/

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