MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 31e1689f5f0b5e52bca7bcb63aaa565c4e3239ac16386bef523365b1fc24f306. 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 3 File information Comments 1
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SHA256 hash: 31e1689f5f0b5e52bca7bcb63aaa565c4e3239ac16386bef523365b1fc24f306
SHA3-384 hash: 1b44f6d3af6bac8c902247ded16d2c7cda4b3b5ea91ba7a870203c5bde694f15c443b102f953cbad0a2097f545312e9b
SHA1 hash: 1b4fd4e7f8a6cbb29d839dcf2e3d6eee26d659d7
MD5 hash: b4c62ab10c3ce2f9c7b5263d36dfa3ab
humanhash: magazine-minnesota-fifteen-neptune
File name:b4c62ab10c3ce2f9c7b5263d36dfa3ab
Download: download sample
Signature Formbook
Create hunting rule
File size:941'056 bytes
First seen:2022-08-12 14:53:15 UTC
Last seen:2022-08-12 18:30:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:Txot3gmitQfv8Bn11M4nfwKhPevlg4BiZfZi+i23v41NW+rrL6g:lSHFH8hnfwuf/41NW+rrGg
TLSH T14715D44CDEAA2459EE369E33D7B319B509393F05283D484EB283DE0E45B764DE420B5B
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 zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
393
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
b4c62ab10c3ce2f9c7b5263d36dfa3ab
Verdict:
Malicious activity
Analysis date:
2022-08-12 14:54:41 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/e6e39296-b7f1-4a5a-af78-af0caf69a0d0

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/298246/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.213.6100.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62f6698d7a5eee504809436b/reports/dbe30980-4435-4108-b218-3d4cfe3e11e5/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/22930bb5-c144-41f2-af9b-2d37e68238b7
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1050642
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
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
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 683149 Sample: mKhjpvFQoQ Startdate: 12/08/2022 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 9 mKhjpvFQoQ.exe 3 2->9         started        process3 file4 30 C:\Users\user\AppData\...\mKhjpvFQoQ.exe.log, ASCII 9->30 dropped 50 Writes to foreign memory regions 9->50 52 Injects a PE file into a foreign processes 9->52 13 vbc.exe 9->13         started        16 vbc.exe 9->16         started        18 vbc.exe 9->18         started        signatures5 process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 13->54 56 Maps a DLL or memory area into another process 13->56 58 Sample uses process hollowing technique 13->58 60 Queues an APC in another process (thread injection) 13->60 20 raserver.exe 13->20         started        23 explorer.exe 13->23 injected 62 Tries to detect virtualization through RDTSC time measurements 16->62 process8 dnsIp9 42 Modifies the context of a thread in another process (thread injection) 20->42 44 Maps a DLL or memory area into another process 20->44 46 Tries to detect virtualization through RDTSC time measurements 20->46 26 cmd.exe 1 20->26         started        32 www.driverksa.info 91.195.240.94, 49769, 80 SEDO-ASDE Germany 23->32 48 System process connects to network (likely due to code injection or exploit) 23->48 signatures10 process11 process12 28 conhost.exe 26->28         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/31e1689f5f0b5e52bca7bcb63aaa565c4e3239ac16386bef523365b1fc24f306/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-08-12 14:54:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
33
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ghqwrh27bnpffpfhxs3dvkswlrhdeonmcy4gx32sgns3d7be6mda._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:p63n rat spyware stealer trojan
Link:
https://tria.ge/reports/220812-r9v5gaeebk/
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
Uses the VBS compiler for execution
Formbook payload
Formbook
Unpacked files
SH256 hash:
a92be2fb1c5ac64805e26f267bc2d4290634f742a8737f510ce47905109ceac9
MD5 hash:
6acffe97f6033de7c2d29886966ff129
SHA1 hash:
a07d70ca61e7d17d463b940af6a4eaad8e320022
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
FormBook
Create hunting rule
Link:
https://www.unpac.me/results/b8c4c5e2-2b1c-4968-84d0-5238f0cf3c67/
Parent samples :
9a6cce3879d0a6097959ba0bdb3d0b05c5b5e625d7c5624a35ddaed455d5af64
ffdb15bbf45a762c112e2e4a642ca9415e9e9b3a7e04319e69242792e27f6ce7
0bf82ae7d8ed992fd02d696ac9e330f2b4a5f6eb082f29e2a99ceeff831eaa4b
97455ea051858a658c46bfab848532f3ead49260621d2326d82bca0a7ea6d72b
40ed94480e803c385fd0def0efcba1c9f5e6e52056a5793fdac140066a410eb2
6e294639b9e9dec345a4b9bdeb29bd5695ea2d84e0fa88633ece9e7e88ad2bb4
8aa19f667123d092441538094fe3d6bda467a6a12ce60ba3b8ef9a17f5c185b3
31e1689f5f0b5e52bca7bcb63aaa565c4e3239ac16386bef523365b1fc24f306
5c60ec93028885f6319a52ad6ae0d4eaa08cec6a82cf8c7c62d7a060341a77a8
SH256 hash:
18eb60c0eb3e1c610526d9f4b42684ac36a2ebb521514a8770dca2f2afd7f471
MD5 hash:
7ca239778f9f46d28b08876564dba525
SHA1 hash:
973b0d0d98a83b7dfcf1bfce04a179b0f070b98c
Link:
https://www.unpac.me/results/b8c4c5e2-2b1c-4968-84d0-5238f0cf3c67/
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
Link:
https://www.unpac.me/results/b8c4c5e2-2b1c-4968-84d0-5238f0cf3c67/
SH256 hash:
3908dfee4464c46bf21196c302193c24133f42fa2fb8279b8946a03faac66313
MD5 hash:
bdaf11bab52520f43acc08ae4f037791
SHA1 hash:
202ca072891b0588cec8941d61245bdaf8466771
Link:
https://www.unpac.me/results/b8c4c5e2-2b1c-4968-84d0-5238f0cf3c67/
SH256 hash:
1ec334bac5b2b855cc262f85405f6e021bd6a7abb55957a6d7ee36c7809dc0e1
MD5 hash:
5a4c1057655278b6a2a9a039707c09f5
SHA1 hash:
05fffc6d09ea19842b916318cd6d4a00f4906109
Link:
https://www.unpac.me/results/b8c4c5e2-2b1c-4968-84d0-5238f0cf3c67/
SH256 hash:
31e1689f5f0b5e52bca7bcb63aaa565c4e3239ac16386bef523365b1fc24f306
MD5 hash:
b4c62ab10c3ce2f9c7b5263d36dfa3ab
SHA1 hash:
1b4fd4e7f8a6cbb29d839dcf2e3d6eee26d659d7
Link:
https://www.unpac.me/results/b8c4c5e2-2b1c-4968-84d0-5238f0cf3c67/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/31e1689f5f0b/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/31e1689f5f0b5e52bca7bcb63aaa565c4e3239ac16386bef523365b1fc24f306

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
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 31e1689f5f0b5e52bca7bcb63aaa565c4e3239ac16386bef523365b1fc24f306

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2272045/
Cape
Cape
https://www.capesandbox.com/analysis/298246/

Comments


Avatar
zbet commented on 2022-08-12 14:53:21 UTC

url : hxxp://192.3.122.133/300/vbc.exe