MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7a7fe99e9c14cffa44335e28d42bb6bd54c5c98ad0c3d4d1a540fc94c8adcf8b. 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: 7a7fe99e9c14cffa44335e28d42bb6bd54c5c98ad0c3d4d1a540fc94c8adcf8b
SHA3-384 hash: 81e6c4b0af6d73e04fe5176b88f65a294f20e4f5a27ee400c114f7fbee2057be05496bf3c99986810d7fe539f78aca97
SHA1 hash: 17704e714f31221eb216cc8d0a3dc06d634c1feb
MD5 hash: 7b9a63bce946cbe7be9ed3921dede9b2
humanhash: south-william-shade-paris
File name:Specification 5677.exe
Download: download sample
Signature Formbook
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File size:905'728 bytes
First seen:2022-11-03 12:37:05 UTC
Last seen:2022-11-03 15:12:08 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:2uZVfs2sFLTAehm8buS89WiqeNIMiq6vwJ6tzkPxMyn/okMUDTwfwCTU:R8TAqbDLeNIJ1Q2ynAkBDTVCT
TLSH T15315E00F8AE6491ED66E35B855F0EEB36799DC01F44BC75F12C66E4FB84722082227C9
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)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
255
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Specification 5677.exe
Verdict:
Malicious activity
Analysis date:
2022-11-03 12:40:20 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/4f11d734-041e-4b43-9b52-bb2db55a3093

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/327941/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.29790.27418.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:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6363df7a96e7fbdce59016d4/reports/e7d4ed2a-993b-4aef-bb9e-d667a77c6ea7/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/4c71e16c-e0d1-4124-8e80-13bc1cf0ef95
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1104364
Signature
.NET source code contains potential unpacker
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
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 signatures2 2 Behavior Graph ID: 737024 Sample: Specification 5677.exe Startdate: 03/11/2022 Architecture: WINDOWS Score: 100 34 Snort IDS alert for network traffic 2->34 36 Malicious sample detected (through community Yara rule) 2->36 38 Antivirus detection for URL or domain 2->38 40 9 other signatures 2->40 10 Specification 5677.exe 3 2->10         started        process3 file4 28 C:\Users\user\...\Specification 5677.exe.log, ASCII 10->28 dropped 50 Injects a PE file into a foreign processes 10->50 14 Specification 5677.exe 10->14         started        signatures5 process6 signatures7 52 Modifies the context of a thread in another process (thread injection) 14->52 54 Maps a DLL or memory area into another process 14->54 56 Sample uses process hollowing technique 14->56 58 Queues an APC in another process (thread injection) 14->58 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.js-design.info 109.68.33.25, 49695, 80 GD-EMEA-DC-LD5GB United Kingdom 17->30 32 www.klix.icu 17->32 42 System process connects to network (likely due to code injection or exploit) 17->42 21 wlanext.exe 17->21         started        signatures10 process11 signatures12 44 Modifies the context of a thread in another process (thread injection) 21->44 46 Maps a DLL or memory area into another process 21->46 48 Tries to detect virtualization through RDTSC time measurements 21->48 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7a7fe99e9c14cffa44335e28d42bb6bd54c5c98ad0c3d4d1a540fc94c8adcf8b/
Threat name:
Win32.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-11-03 09:30:28 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
25 of 41 (60.98%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=pj76thu4cth7urbtlyunik5wxvkmlsmk2db5junfid6jjsfnz6fq._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:d10a rat spyware stealer trojan
Link:
https://tria.ge/reports/221103-pt27qsaca5/
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
Blocklisted process makes network request
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/6becc93f-b3de-4306-8adf-24aadea79cbc
Unpacked files
SH256 hash:
cd16667ad6ebfd7c838d180c3da34f85112925c7e5760080ad55f35de7b573fd
MD5 hash:
bbc32de0d450f2ee3e8410ba0acc6353
SHA1 hash:
6b59fa96cb9eb1324e1beaaa850714f0be917d16
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/b271c39c-35a4-4ea1-88a9-4546321826ba/
Parent samples :
1e9b2dab23e487f9f8442ab474b4ec7b56d5bbeca861d37c936a6bbbe2e84bdb
369d9c19a6f8e9b3fc88bb922fd7253a50b5fc90b1691972bf89748e19a0ff81
9b7fe2b84d76cd7fecd4e91834dec094ded637374d0ecac59d690d3d9b1022a6
4f46866f53d2ade9fff6ae887be38de3d611e39328443c88655b379941b81307
1b53c5714322ee87fc3d6d7e513818d009b98fbd68dab63767567b6b22864d4d
90260aceb18d9538c91ec8739dfe72b7dbbda8a060bdb9308ad1bdb5c2a56884
7a7fe99e9c14cffa44335e28d42bb6bd54c5c98ad0c3d4d1a540fc94c8adcf8b
8eeb6093be656c82fede5792e0348fa4c9b763f0908395bfdef9e60da504e6d3
532c9ac579ae5cc491b443c13a7e61c8ffd232828f3acdbd3c1710d518022739
SH256 hash:
505cf3af77762f39a7bf078758961409914fa13e25a50be0a85d8b8839b263e3
MD5 hash:
5372f09bf139ae5a77202549daff348a
SHA1 hash:
c69b420bbe06cae91963e6ae1b2d029755fe47fc
Link:
https://www.unpac.me/results/b271c39c-35a4-4ea1-88a9-4546321826ba/
SH256 hash:
cfc16a2dbb933b1b85807d48966e9301b9fc34f4c44e7357713ca88b54bf4ab4
MD5 hash:
aabd0bdc81026ade6c57383f21d5c227
SHA1 hash:
4b26936bb8c03be6d7963184215a5ab594ecb765
Link:
https://www.unpac.me/results/b271c39c-35a4-4ea1-88a9-4546321826ba/
SH256 hash:
8354a7ad0499febdd288542828ad0355dcb7054c0c518266208e571c5122b0c6
MD5 hash:
6bfc7ce9ec7891d9d8494454332099b5
SHA1 hash:
34fc8cebba035e2cc6d27d636f9655949080bf8e
Link:
https://www.unpac.me/results/b271c39c-35a4-4ea1-88a9-4546321826ba/
SH256 hash:
352c1376793716df40816f5aa0cc1e8124765ea3d3602798c2f91b2781a520be
MD5 hash:
30b347105b60d0d1022edcfa8929fd3c
SHA1 hash:
10e5f03146e8b1daa0f62263d39c57c18417a6eb
Link:
https://www.unpac.me/results/b271c39c-35a4-4ea1-88a9-4546321826ba/
SH256 hash:
7a7fe99e9c14cffa44335e28d42bb6bd54c5c98ad0c3d4d1a540fc94c8adcf8b
MD5 hash:
7b9a63bce946cbe7be9ed3921dede9b2
SHA1 hash:
17704e714f31221eb216cc8d0a3dc06d634c1feb
Link:
https://www.unpac.me/results/b271c39c-35a4-4ea1-88a9-4546321826ba/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/7a7fe99e9c14/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/7a7fe99e9c14cffa44335e28d42bb6bd54c5c98ad0c3d4d1a540fc94c8adcf8b

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 7a7fe99e9c14cffa44335e28d42bb6bd54c5c98ad0c3d4d1a540fc94c8adcf8b

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/327941/

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