MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 832fcd4a4a31f003162d5fea4b1eb81d10673fef0b37152bed77cf1822cc0983. 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 2 File information Comments
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SHA256 hash: 832fcd4a4a31f003162d5fea4b1eb81d10673fef0b37152bed77cf1822cc0983
SHA3-384 hash: 2ebd6bdce80370f481d036f449fb5776e95ecec9f924c01ec47ec3627df921cbce1ee2d449e0bef2a8d56470200107ea
SHA1 hash: abc67c8f1cf2964aa8586918d2704e26057618b3
MD5 hash: bb8f367aa524e39b7ff91999f67d1cbe
humanhash: oklahoma-low-orange-cold
File name:bruno.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:312'320 bytes
First seen:2022-11-10 07:35:49 UTC
Last seen:2022-11-10 09:52:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:ken9o5c1iI+53+ws1eBcdGSvipCgqMC2O873rxCgeyt3qu0iJK8NSkVOXfOI:xOykCeK9iNjBxCQ330iJK8NFOXm
Threatray 218 similar samples on MalwareBazaar
TLSH T1BF64128779975292C9DC43B7E85F085803B8A7C135B3DB6FF40A371A1E437EB1A1A606
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)
Reporter JAMESWT_WT
Tags:exe FormBook scarenx-gq

Intelligence

File Origin
# of uploads :
2
# of downloads :
188
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
MS-DGP-220137.js
Verdict:
Malicious activity
Analysis date:
2022-11-10 07:26:19 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/8c64e1e1-8111-43ee-818b-551777a6db59

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/331760/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1268.31236.20318.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
DNS request
Sending an HTTP GET request
Reading critical registry keys
Creating a file in the %temp% directory
Unauthorized injection to a recently created process
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/636ca9e320a0b4943a8eb437/reports/609cd573-585b-412e-87f1-fc66e6f2211f/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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0d0a8f94-1efd-4f7a-9465-742fec6aed0d
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1110131
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
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)
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 harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 742816 Sample: bruno.exe Startdate: 10/11/2022 Architecture: WINDOWS Score: 100 31 www.snzbx.com 2->31 35 Snort IDS alert for network traffic 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 Antivirus detection for URL or domain 2->39 41 7 other signatures 2->41 9 bruno.exe 1 2->9         started        signatures3 process4 file5 23 C:\Users\user\AppData\Local\...\bruno.exe.log, CSV 9->23 dropped 51 Writes to foreign memory regions 9->51 53 Allocates memory in foreign processes 9->53 55 Injects a PE file into a foreign processes 9->55 57 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 9->57 13 RegSvcs.exe 9->13         started        signatures6 process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 13->59 61 Maps a DLL or memory area into another process 13->61 63 Sample uses process hollowing technique 13->63 65 Queues an APC in another process (thread injection) 13->65 16 explorer.exe 13->16 injected process9 dnsIp10 25 www.hnsmhbkj.com 123.253.227.109, 49725, 49726, 49727 TFN-TWTaiwanFixedNetworkTelcoandNetworkServiceProvi Hong Kong 16->25 27 www.demixafrica.com 156.237.222.250, 49720, 80 DXTL-HKDXTLTseungKwanOServiceHK Seychelles 16->27 29 2 other IPs or domains 16->29 33 System process connects to network (likely due to code injection or exploit) 16->33 20 control.exe 13 16->20         started        signatures11 process12 signatures13 43 Tries to steal Mail credentials (via file / registry access) 20->43 45 Tries to harvest and steal browser information (history, passwords, etc) 20->45 47 Modifies the context of a thread in another process (thread injection) 20->47 49 Maps a DLL or memory area into another process 20->49
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/832fcd4a4a31f003162d5fea4b1eb81d10673fef0b37152bed77cf1822cc0983/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2022-11-10 07:36:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
20 of 25 (80.00%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qmx42sskghyagfrnl7vewhvyduigop7pbm3rkk7no7hrqiwmbgbq._file
Verdict:
malicious
Similar samples:
41a5f782da40bea08f41a9510a299bfa071c7f84547085f65006c25002802449
Formbook
431259109385ec63af8de3962a7439e71c9361c30051ac30febcda57114e201a
Formbook
588572e37df45867b14d17b7892c5337ecce9e618b43ae6aae8ab187c35bbc92
Formbook
63a0c7069540bc5681760d437338915e926c237c0339556a08bfce781151d41a
Formbook
7ac48628de4b567db12b4af67071cd3cf1279a3dced5a71cf3e9cba664f4f43a
Formbook
7b7f0cdf959229297f194c9052cb90dfde8ad43dd2566f49feadad9506b8b1fb
Formbook
8cf15f723d723e02406de6c49d93960bee6ed0be0e6d05ba622437b6c7d5d1fe
Formbook
98aaa85705c2a3b84dfbc82c27ade35202fb82fb63018f86ec02ef8f11d7d3aa
Formbook
+ 208 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:tpd2 rat spyware stealer trojan
Link:
https://tria.ge/reports/221110-je8s3sfhc7/
Behaviour
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
Loads dropped DLL
Reads user/profile data of web browsers
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/15b09e74-fc20-4dc6-90f9-68566dbe6b4d
Unpacked files
SH256 hash:
08dc131daa003bfef9743c47cc6707bdcfbf880795eb9f7f26f51b389e357afd
MD5 hash:
014cc98f0e3e039ec235d577ec2d459f
SHA1 hash:
dd5b12b49e99986a680d7cfa2b3b79714f03f68e
Link:
https://www.unpac.me/results/0715585f-7bb6-4d1d-a268-cbf5ac9de4af/
SH256 hash:
73555c7a13eeb08e9580ce046b3c9a1dee97144409aeff89359a638f6491d970
MD5 hash:
267500059bd6a9bd4196372a10e282e1
SHA1 hash:
a905a0869cd092a0261996535c47fb06541ace49
Link:
https://www.unpac.me/results/0715585f-7bb6-4d1d-a268-cbf5ac9de4af/
SH256 hash:
832fcd4a4a31f003162d5fea4b1eb81d10673fef0b37152bed77cf1822cc0983
MD5 hash:
bb8f367aa524e39b7ff91999f67d1cbe
SHA1 hash:
abc67c8f1cf2964aa8586918d2704e26057618b3
Link:
https://www.unpac.me/results/0715585f-7bb6-4d1d-a268-cbf5ac9de4af/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/832fcd4a4a31/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.77
Link:
https://yomi.yoroi.company/submissions/832fcd4a4a31f003162d5fea4b1eb81d10673fef0b37152bed77cf1822cc0983

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 832fcd4a4a31f003162d5fea4b1eb81d10673fef0b37152bed77cf1822cc0983

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2406572/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/331760/

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