MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3981ee1705c19ad29ac3d94a6a95a6b55d10c5ed686b5fa3cee9d69995268da4. 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 16 File information Comments
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SHA256 hash: 3981ee1705c19ad29ac3d94a6a95a6b55d10c5ed686b5fa3cee9d69995268da4
SHA3-384 hash: 7a75b523a23e2c0b0bc1975e362af85abd214d91ae93d10946bbfe6e978ae54d9d4f9e9f7afdc362b04c77170ce70383
SHA1 hash: e40fb6c666d638b1068d7480c79dc32ef469cfe6
MD5 hash: 09a70eae110ee8330255f6ca379c4e28
humanhash: sodium-chicken-nevada-west
File name:нова поръчка pdf.exe
Download: download sample
Signature Formbook
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File size:642'048 bytes
First seen:2023-11-24 17:47:47 UTC
Last seen:2023-11-24 19:17:36 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:pHE6jD/berN8VGWZeDYKf7ZmWwYGTFhBu68dAksXtx+5sLENz:9tD/bex8gWQcmoW0TszdAXXtU5sLEN
Threatray 497 similar samples on MalwareBazaar
TLSH T197D42316129F2FDBE8A943F74A34D20043F06E3458B4F3656ED632CB41BD765E652A83
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Reporter Anonymous
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
346
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
нова поръчка pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-11-24 17:49:10 UTC
Tags:
formbook xloader stealer spyware
Link:
https://app.any.run/tasks/9814f933-6b12-4899-aa0b-b64705757e5b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.2548.28493.22646.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Creating a file
Launching cmd.exe command interpreter
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/3981ee1705c19ad29ac3d94a6a95a6b55d10c5ed686b5fa3cee9d69995268da4
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/ae0f04e6-dbb4-4aeb-aed0-9e37fa952313
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1347538
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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 virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1347538 Sample: #U043d#U043e#U0432#U0430_#U... Startdate: 24/11/2023 Architecture: WINDOWS Score: 100 53 www.thedaintydesign.com 2->53 55 www.shosjhdj.sbs 2->55 57 17 other IPs or domains 2->57 73 Snort IDS alert for network traffic 2->73 75 Found malware configuration 2->75 77 Malicious sample detected (through community Yara rule) 2->77 79 11 other signatures 2->79 11 #U043d#U043e#U0432#U0430_#U043f#U043e#U0440#U044a#U0447#U043a#U0430_pdf.exe 7 2->11         started        15 qrDGJXKBrD.exe 5 2->15         started        signatures3 process4 file5 49 C:\Users\user\AppData\...\qrDGJXKBrD.exe, PE32 11->49 dropped 51 C:\Users\user\AppData\Local\...\tmpA87D.tmp, XML 11->51 dropped 87 Uses schtasks.exe or at.exe to add and modify task schedules 11->87 89 Writes to foreign memory regions 11->89 91 Allocates memory in foreign processes 11->91 99 2 other signatures 11->99 17 RegSvcs.exe 11->17         started        20 powershell.exe 22 11->20         started        22 schtasks.exe 1 11->22         started        93 Antivirus detection for dropped file 15->93 95 Multi AV Scanner detection for dropped file 15->95 97 Machine Learning detection for dropped file 15->97 24 RegSvcs.exe 15->24         started        26 schtasks.exe 1 15->26         started        signatures6 process7 signatures8 65 Modifies the context of a thread in another process (thread injection) 17->65 67 Maps a DLL or memory area into another process 17->67 69 Sample uses process hollowing technique 17->69 71 2 other signatures 17->71 28 explorer.exe 8 1 17->28 injected 32 conhost.exe 20->32         started        34 conhost.exe 22->34         started        36 conhost.exe 26->36         started        process9 dnsIp10 59 k-runimport.com 185.135.132.53, 49748, 80 RMI-FITECHFR France 28->59 61 www.ldkcc.com 136.0.87.244, 49746, 80 EGIHOSTINGUS United States 28->61 63 7 other IPs or domains 28->63 101 System process connects to network (likely due to code injection or exploit) 28->101 38 rundll32.exe 28->38         started        41 wscript.exe 28->41         started        43 autoconv.exe 28->43         started        signatures11 process12 signatures13 81 Modifies the context of a thread in another process (thread injection) 38->81 83 Maps a DLL or memory area into another process 38->83 85 Tries to detect virtualization through RDTSC time measurements 38->85 45 cmd.exe 38->45         started        process14 process15 47 conhost.exe 45->47         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/3981ee1705c19ad29ac3d94a6a95a6b55d10c5ed686b5fa3cee9d69995268da4
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/3981ee1705c19ad29ac3d94a6a95a6b55d10c5ed686b5fa3cee9d69995268da4/
Threat name:
Win32.Trojan.Generic
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Status:
Suspicious
First seen:
2023-11-24 07:57:59 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
15 of 23 (65.22%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=hga64fyfygnnfgwd3ffgvfngwvorbrpnnbvv7i6o5hljtfjgrwsa._file
Verdict:
malicious
Label(s):
formbook
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Similar samples:
09f3ffc4cf39c48f84b8eac7c29a49f9c1c576fd7c804a18374ee0e93d69bc37
Formbook
0c745af3df2ebd626ce868875edb7da2346396210787f2230a0128b151f9da3e
Formbook
6af6f1e03bf8c177c98b8fe74b5dd447c19d8e8534f4a901935df29242a04dbe
Formbook
7d7b62e77cbef24e0b75ea88d79b68a84e2fccdd74dac22de7c18476ce8313ce
Formbook
b67abceaad8827d5b7758e2351c16fbe50e80d71e371bcac2a1bbd95857a7bf8
Formbook
+ 487 additional samples on MalwareBazaar
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:m0d5 rat spyware stealer trojan
Link:
https://tria.ge/reports/231124-wde6laea2x/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook payload
Formbook
Unpacked files
SH256 hash:
edf6b069f10edd627fea8006a8a5a0a876dfe349d75221c6fc6ff1c3a528d3a1
MD5 hash:
abd77d2dee1f4d1273ea12f33ecfea58
SHA1 hash:
db2a87d11f76ea0fd1d5ab6db35f1a0f5a14cda8
Detections:
FormBook
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win_formbook_w0
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win_formbook_auto
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win_formbook_g0
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Formbook
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Link:
https://www.unpac.me/results/2331afcd-858e-4f4d-bf89-2db4094a3017/
Parent samples :
92901e1afa61d81882eaf7e1bc51fb693adce114a24e769cf234e1ad15109398
42bd239d3bd699a9ef53e056e62e9146ba895c6348559498fd87704813d9a29a
3981ee1705c19ad29ac3d94a6a95a6b55d10c5ed686b5fa3cee9d69995268da4
SH256 hash:
b40c51212af363bb685b5297ed6bf9f2b327f0ee31987c9eb4eb74fe79d925c6
MD5 hash:
af9c4cbc5be56020a32b6ae6c7d535d4
SHA1 hash:
ecd022f7261025c01779f742832372729e7b2bbf
Link:
https://www.unpac.me/results/2331afcd-858e-4f4d-bf89-2db4094a3017/
SH256 hash:
e774698ed8060c4c06b8196453f4cf58a82107aa632ce82019178cdae0b70e02
MD5 hash:
385b9d113090be12f242ee6d5b902b47
SHA1 hash:
e37728e2caeeaa3ea0d62c4c369882ac9d43a4ea
Link:
https://www.unpac.me/results/2331afcd-858e-4f4d-bf89-2db4094a3017/
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
Link:
https://www.unpac.me/results/2331afcd-858e-4f4d-bf89-2db4094a3017/
SH256 hash:
3981ee1705c19ad29ac3d94a6a95a6b55d10c5ed686b5fa3cee9d69995268da4
MD5 hash:
09a70eae110ee8330255f6ca379c4e28
SHA1 hash:
e40fb6c666d638b1068d7480c79dc32ef469cfe6
Link:
https://www.unpac.me/results/2331afcd-858e-4f4d-bf89-2db4094a3017/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3981ee1705c1/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/3981ee1705c19ad29ac3d94a6a95a6b55d10c5ed686b5fa3cee9d69995268da4

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:AgentTesla_DIFF_Common_Strings_01
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Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:DebuggerCheck__GlobalFlags
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Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
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Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
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Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
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Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
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Author:Willi Ballenthin
Rule name:NET
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Author:malware-lu
Rule name:pe_imphash
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Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
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Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
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Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
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Author:phoul (@phoul)
Description:Look for SHA1 constants
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 3981ee1705c19ad29ac3d94a6a95a6b55d10c5ed686b5fa3cee9d69995268da4

(this sample)

  
Delivery method
Distributed via e-mail attachment

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