MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5dc78112397a04a6b3cef6f63aa0c817e641cb4cefb8fd91958cdfed48d57bbe. 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: 5dc78112397a04a6b3cef6f63aa0c817e641cb4cefb8fd91958cdfed48d57bbe
SHA3-384 hash: 37c88560bc85a42018a0a24d198fa346657b3f7b5adac39b656d56b05360e82643417dcc29332c7b7c10472f500cf87c
SHA1 hash: cec72452b96b5647c4e82dc21c5f78c923f9e696
MD5 hash: cf3f500e6a5a3a332789cf3c62f93f35
humanhash: uranus-east-bulldog-kitten
File name:nuihp vuwlkuq.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:880'640 bytes
First seen:2023-02-27 18:40:16 UTC
Last seen:2023-02-27 20:30:55 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:Q6JpkmhkN9Eubnel5Di2d3FU1CmZ5qVQyaeKF0K/CpDeGAebx6bBXLjpQ4b:1pkmhkNVbCZiYVUIvR40e11RPb
Threatray 1'841 similar samples on MalwareBazaar
TLSH T1B7157C4F62B09033F8AE51ED5A3463CF2F367252752CF5161E3AA9888D06FFA71C8541
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon b078ccd4ccdcf868 (9 x AgentTesla, 4 x SnakeKeylogger, 1 x Loki)
Reporter cocaman
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
204
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
nuihp vuwlkuq.exe
Verdict:
Malicious activity
Analysis date:
2023-02-27 18:42:02 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/fcc94ac0-c5d1-42d7-934b-b98955b73120

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/370394/
Detection(s):
Sanesecurity.Malware.28872.BadIN4.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
67%
Tags:
packed
Link:
https://www.filescan.io/uploads/63fcf9410796d7d621e8ff10/reports/2eb2265e-56dc-4d3a-b6d3-5c894dbb55cf/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/5dc78112397a04a6b3cef6f63aa0c817e641cb4cefb8fd91958cdfed48d57bbe
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/604c6b43-f3d1-47fd-b59f-11ef80295090
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1183461
Signature
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Machine Learning detection for dropped file
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 816291 Sample: nuihp vuwlkuq.exe Startdate: 27/02/2023 Architecture: WINDOWS Score: 100 55 www.jakecable.site 2->55 69 Malicious sample detected (through community Yara rule) 2->69 71 Sigma detected: Scheduled temp file as task from temp location 2->71 73 Multi AV Scanner detection for submitted file 2->73 75 6 other signatures 2->75 11 nuihp vuwlkuq.exe 7 2->11         started        15 ElDHXale.exe 5 2->15         started        signatures3 process4 file5 47 C:\Users\user\AppData\RoaminglDHXale.exe, PE32 11->47 dropped 49 C:\Users\...lDHXale.exe:Zone.Identifier, ASCII 11->49 dropped 51 C:\Users\user\AppData\Local\Temp\tmp3C1.tmp, XML 11->51 dropped 53 C:\Users\user\...\nuihp vuwlkuq.exe.log, ASCII 11->53 dropped 83 Adds a directory exclusion to Windows Defender 11->83 17 RegSvcs.exe 11->17         started        20 powershell.exe 21 11->20         started        22 schtasks.exe 1 11->22         started        85 Multi AV Scanner detection for dropped file 15->85 87 Machine Learning detection for dropped file 15->87 24 RegSvcs.exe 15->24         started        26 schtasks.exe 1 15->26         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 17->61 63 Maps a DLL or memory area into another process 17->63 65 Sample uses process hollowing technique 17->65 67 2 other signatures 17->67 28 explorer.exe 2 1 17->28 injected 32 conhost.exe 20->32         started        34 conhost.exe 22->34         started        36 conhost.exe 26->36         started        process9 dnsIp10 57 www.oyuntirik.com 160.202.98.143, 49683, 80 QUICKPACKETUS United States 28->57 59 www.annadrapkin.com 28->59 89 System process connects to network (likely due to code injection or exploit) 28->89 38 msdt.exe 28->38         started        41 control.exe 28->41         started        signatures11 process12 signatures13 77 Modifies the context of a thread in another process (thread injection) 38->77 79 Maps a DLL or memory area into another process 38->79 81 Tries to detect virtualization through RDTSC time measurements 38->81 43 cmd.exe 1 38->43         started        process14 process15 45 conhost.exe 43->45         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/5dc78112397a04a6b3cef6f63aa0c817e641cb4cefb8fd91958cdfed48d57bbe/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-02-27 00:37:59 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
19 of 25 (76.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=lxdycerzpicknm6o633dvigic7teds2m564p3emvrtp62sgvpo7a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0bcf67c52f7b210cc7a7bb304e66d221f49363e7e9e75d21f7eeab8355669e2f
Formbook
27c76711661cf48d0dd9745cc6c389901f87c38bf7a899eed3e4134afbdb6686
Formbook
49783e573a0077bd788eb30488faca31c9b6ed231ba0d418538b10651cf0e780
Formbook
4e5713ceec170e84cae9279b5c89afd51938b5352e7f393e2bd5490cc9d5a470
Formbook
585e31f153a0c66c620dedd01e85c522aed4366364f9681d927b50761a32f47f
Formbook
6d4eead03f27551a1c48b4da0e274a7d889002e673b578a5782122fa11eb21dc
Formbook
6e21c799f14d0104ee3fc1f6142aab3b1cd8b00260c3a8100386a0f44405b967
Formbook
e35243e69e01391bd0e35adeb074f6e2dcfc28226d149543f4e1c891ca58bfa9
Formbook
e7534a0a853b8f9adac6cdf14f130c09c955b913726507f28a18c1e6700820aa
Formbook
e7816585c6d8325c5902901e83404e86f5102099d83650ad5c091f17d0e50d29
Formbook
+ 1'831 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:de12 rat spyware stealer trojan
Link:
https://tria.ge/reports/230227-xbrmaaeh6y/
Behaviour
Creates scheduled task(s)
Enumerates system info in registry
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook payload
Formbook
Unpacked files
SH256 hash:
47c67811d762bacc315a31a06dc94f9e541c018514540349749c70c0a2c247c9
MD5 hash:
ccdd83a29d92c3387adcec49f1a1d623
SHA1 hash:
8d82521925c19ec179b8d0d624f2a90ab079b3b8
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/ac578bb0-6a05-43a4-b577-9095a7cc6c9e/
Parent samples :
6ed1841d8da5de23418d6537bd4113571b5978b5ea1199b33b24efe09d84a727
5dc78112397a04a6b3cef6f63aa0c817e641cb4cefb8fd91958cdfed48d57bbe
331a1fa77bd0b90483ec0d32a815e1e766f75ce389a8c9f26f24d3db61459e20
ba5bc20c0063cb1a4e8192d7a552cd7dba167607b57e2f44552df8a34ed490ad
a442f82c38de8318198d6dd2415b2ff10eb9851e20687ba6d4105525d1e56f0b
2e423af6933fc3a0ea48495c544378ced38053a65b5d386648e4e083d1b90198
SH256 hash:
e6ff43f9609438623bfaa19a45639ab64d45a95a774ddda580a26d61dac1dbda
MD5 hash:
66c482e9c15812867b275bc9d25b35f8
SHA1 hash:
b48ea88315743686a73c66db11122df326a862c6
Link:
https://www.unpac.me/results/ac578bb0-6a05-43a4-b577-9095a7cc6c9e/
SH256 hash:
7213bebe45e36f5fe1e3f825fb96bdaa43ea425311de44431fac6cb0a681879f
MD5 hash:
143876f07a8d84ac41cdf7b297be554d
SHA1 hash:
9018ec55139f4a5759c9cd041f9de7a31f1c285c
Link:
https://www.unpac.me/results/ac578bb0-6a05-43a4-b577-9095a7cc6c9e/
SH256 hash:
8617cea503c2a3961120a9c503d853bc21d38d1fca7143d6b1ef4f388bc5cec7
MD5 hash:
7f225c69df031bf0560aed3847a1221a
SHA1 hash:
4d5f3ccdb2c6015d2b2a73326c0f32b173af2819
Link:
https://www.unpac.me/results/ac578bb0-6a05-43a4-b577-9095a7cc6c9e/
SH256 hash:
219a6c7ea5bb974cc9fdf265d13d843e6ba83f2a1ec07744d4b9ca3a6ca90f38
MD5 hash:
88dd74207f3882979e21e26bf33a0e9c
SHA1 hash:
02a2db1bcbdb700f16c730a45d6ca62f805af8d4
Link:
https://www.unpac.me/results/ac578bb0-6a05-43a4-b577-9095a7cc6c9e/
SH256 hash:
5dc78112397a04a6b3cef6f63aa0c817e641cb4cefb8fd91958cdfed48d57bbe
MD5 hash:
cf3f500e6a5a3a332789cf3c62f93f35
SHA1 hash:
cec72452b96b5647c4e82dc21c5f78c923f9e696
Link:
https://www.unpac.me/results/ac578bb0-6a05-43a4-b577-9095a7cc6c9e/
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/5dc78112397a04a6b3cef6f63aa0c817e641cb4cefb8fd91958cdfed48d57bbe

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.

Malspam

Formbook

zip 266165b8bff5df072dc75aa2f9d0262d1f745aa6a0955c4b9ab0a4b5ac4c7f99

Formbook

Executable exe 5dc78112397a04a6b3cef6f63aa0c817e641cb4cefb8fd91958cdfed48d57bbe

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 266165b8bff5df072dc75aa2f9d0262d1f745aa6a0955c4b9ab0a4b5ac4c7f99
Cape
Cape
https://www.capesandbox.com/analysis/370394/
  
Dropped by
MD5 51e38bcfafc7b234a93adc8171106e7c

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