MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a2bc978e30782179dc78f41866e3933bc0e76b0d18aa24bbc22733cf1cb9cc5f. 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: 17


Intelligence 17 IOCs YARA 2 File information Comments
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SHA256 hash: a2bc978e30782179dc78f41866e3933bc0e76b0d18aa24bbc22733cf1cb9cc5f
SHA3-384 hash: e10624434af0ba13eeb320375947dc96fe442dec4e5f4fe43500ce28c1d7641e236602e7a40b730c94ca07415928229e
SHA1 hash: d963063c1cf09981479f5d5f8ce8f951f541b546
MD5 hash: 9fef9c797df24b33f2f41b704f565c1d
humanhash: blossom-ink-juliet-dakota
File name:DEKKO LEGACY GROUP-pdf-.exe
Download: download sample
Signature Formbook
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File size:958'976 bytes
First seen:2023-01-17 03:18:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:ZFLhEMfG6BKtvzGeEnW8rpD6b3ewHdqoSPD:ZFLhEMfdrW/b/+PD
TLSH T12315AED1129DC6E5E8F60E380628391467A9AC57C37DA17EBEC7147B84F674F40B83A2
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 32594d20184d6170 (1 x Formbook)
Reporter Anonymous
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
238
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
DEKKO LEGACY GROUP-pdf-.exe
Verdict:
Malicious activity
Analysis date:
2023-01-17 03:19:02 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/27ab24eb-1b54-4236-8f23-f94f7e5a7ff6

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/353634/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.65018184.30912.16530.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Creating a file
Launching cmd.exe command interpreter
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/63c613a8e4e81283f94e3d5c/reports/61875210-2556-453d-b2ec-7881ab392d1f/overview
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/cfa3b216-f279-4d62-8e72-3087f87afd57
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1152756
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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 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
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
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 785488 Sample: DEKKO LEGACY GROUP-pdf-.exe Startdate: 17/01/2023 Architecture: WINDOWS Score: 100 55 www.lovetheshake.com 2->55 71 Snort IDS alert for network traffic 2->71 73 Malicious sample detected (through community Yara rule) 2->73 75 Antivirus detection for URL or domain 2->75 77 13 other signatures 2->77 11 DEKKO LEGACY GROUP-pdf-.exe 7 2->11         started        15 tAIYSqOBvmzf.exe 5 2->15         started        signatures3 process4 file5 47 C:\Users\user\AppData\...\tAIYSqOBvmzf.exe, PE32 11->47 dropped 49 C:\Users\...\tAIYSqOBvmzf.exe:Zone.Identifier, ASCII 11->49 dropped 51 C:\Users\user\AppData\Local\...\tmp3B4A.tmp, XML 11->51 dropped 53 C:\Users\...\DEKKO LEGACY GROUP-pdf-.exe.log, ASCII 11->53 dropped 85 Adds a directory exclusion to Windows Defender 11->85 17 DEKKO LEGACY GROUP-pdf-.exe 11->17         started        20 powershell.exe 19 11->20         started        22 schtasks.exe 1 11->22         started        87 Antivirus detection for dropped file 15->87 89 Multi AV Scanner detection for dropped file 15->89 91 Machine Learning detection for dropped file 15->91 93 2 other signatures 15->93 24 tAIYSqOBvmzf.exe 15->24         started        26 schtasks.exe 1 15->26         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 17->63 65 Maps a DLL or memory area into another process 17->65 67 Sample uses process hollowing technique 17->67 69 Queues an APC in another process (thread injection) 17->69 28 explorer.exe 5 6 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.bouncepictures.co.uk 81.17.18.195, 49698, 80 PLI-ASCH Switzerland 28->57 59 www.tsedumadev.africa 28->59 61 www.efefmajestic.buzz 28->61 95 System process connects to network (likely due to code injection or exploit) 28->95 38 msiexec.exe 28->38         started        41 systray.exe 28->41         started        signatures11 process12 signatures13 79 Modifies the context of a thread in another process (thread injection) 38->79 81 Maps a DLL or memory area into another process 38->81 43 cmd.exe 1 38->43         started        83 Tries to detect virtualization through RDTSC time measurements 41->83 process14 process15 45 conhost.exe 43->45         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a2bc978e30782179dc78f41866e3933bc0e76b0d18aa24bbc22733cf1cb9cc5f/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2023-01-16 08:41:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uk6jpdrqpaqxtxdy6qmgny4thpaoo2yndcvcjo6ce4z46hfzzrpq._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:a09e rat spyware stealer trojan
Link:
https://tria.ge/reports/230117-dtnhssde91/
Behaviour
Creates scheduled task(s)
Modifies registry class
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
Deletes itself
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/46ec1892-b18f-4042-a847-440f8d386a25
Unpacked files
SH256 hash:
d27cca09bc9c42bec002b3416b73965fd718b28c81ce9e262913e907ce458833
MD5 hash:
e4231c3a128edb95b63b80418fbeeb30
SHA1 hash:
96cc8fe6281b8fab5af3dff964a4f9ab48809271
Detections:
FormBook
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/9bab471d-d6c4-463b-9232-2eb4ae0220ec/
Parent samples :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 hash:
fd248b6bd7035324e025a4890a495ce04d289e80f6f7d1f38c676481bf01ae0c
MD5 hash:
c8c2ab59206f12b6840f306ccdc9bc56
SHA1 hash:
cca44aaf4e3635e99f5b54786dfc10823f2079a6
Link:
https://www.unpac.me/results/9bab471d-d6c4-463b-9232-2eb4ae0220ec/
SH256 hash:
ab2f8dbc2b147528cecac6ea1a8886951c424be0b2026743b39d97f0cbabb04c
MD5 hash:
77ab42f4bbbf4565846eb8953192d71f
SHA1 hash:
3c662c756cc31867c0473716a74e777a65ced550
Link:
https://www.unpac.me/results/9bab471d-d6c4-463b-9232-2eb4ae0220ec/
SH256 hash:
3e4a8937e3b0698bd405845cd8d22a45211e06bc41e0a443e333720a71bcb091
MD5 hash:
4ec8f97d33618fb13d00ebe7729d6e53
SHA1 hash:
2c379d0637155c3a80975cf98776c523020a8da0
Link:
https://www.unpac.me/results/9bab471d-d6c4-463b-9232-2eb4ae0220ec/
SH256 hash:
819fd163adc2d6852c5e0056a110f73ea33a2fa8ce5e0446687cf56201c3e8d3
MD5 hash:
9f3d370a6ca77695f7aca1e84bebf173
SHA1 hash:
0bff85bc47135937932ae47c7de46ba82e005216
Link:
https://www.unpac.me/results/9bab471d-d6c4-463b-9232-2eb4ae0220ec/
SH256 hash:
a2bc978e30782179dc78f41866e3933bc0e76b0d18aa24bbc22733cf1cb9cc5f
MD5 hash:
9fef9c797df24b33f2f41b704f565c1d
SHA1 hash:
d963063c1cf09981479f5d5f8ce8f951f541b546
Link:
https://www.unpac.me/results/9bab471d-d6c4-463b-9232-2eb4ae0220ec/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a2bc978e3078/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/a2bc978e30782179dc78f41866e3933bc0e76b0d18aa24bbc22733cf1cb9cc5f

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 a2bc978e30782179dc78f41866e3933bc0e76b0d18aa24bbc22733cf1cb9cc5f

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/353634/

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