MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3bf5b7a790a0037955d47c15a137f502d89a838f6c0208304a961fdc6f3b0491. 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 4 File information Comments
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SHA256 hash: 3bf5b7a790a0037955d47c15a137f502d89a838f6c0208304a961fdc6f3b0491
SHA3-384 hash: 1b25effe9cfeca36ed0204403f013198856397ad6a38f4469ea4b621328675d2fc8f9b20e906b8165ba7fc4d1c200da7
SHA1 hash: c56d6f06151bea435bacf74651337e43f3a7dc47
MD5 hash: bfab7164cf7dc1f2a61f4071a3bfcee5
humanhash: mountain-michigan-blue-thirteen
File name:Ordem de Compra.exe
Download: download sample
Signature Formbook
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File size:626'176 bytes
First seen:2023-10-10 11:35:36 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:wV5H8fX9Kqc63LbNYcu/5cnGJBKx35ekwfKFXCVNhcB:VftNcIfiD6GXK72SCVPcB
TLSH T1B0D412407AA58403CBA802B68FE2C4B043B55E2D146DE3B529F56ECFBCEBB037695547
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)
File icon (PE):PE icon
dhash icon 34263632b39bd9d0 (9 x AgentTesla, 5 x Formbook, 3 x Loki)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
298
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
Ordem de Compra.exe
Verdict:
Malicious activity
Analysis date:
2023-10-10 14:38:55 UTC
Tags:
formbook xloader stealer spyware
Link:
https://app.any.run/tasks/5955a87f-11a1-4395-a6e9-34aaf145e96a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.2370.29847.18701.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
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 with a hidden window
Creating a file in the %temp% directory
Launching a process
Launching cmd.exe command interpreter
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  10/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/6525372ae509ddb6cd1f8d60/reports/c91e6542-4f97-4d5a-b270-994b2cf7b2bd/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/3bf5b7a790a0037955d47c15a137f502d89a838f6c0208304a961fdc6f3b0491
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/1a5f9a23-d90c-4ed0-9a89-0e7f827c4ba9
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1322845
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found 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 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: 1322845 Sample: Ordem_de_Compra.exe Startdate: 10/10/2023 Architecture: WINDOWS Score: 100 53 www.trsmine.com 2->53 55 www.ssongg4323.cfd 2->55 57 14 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 9 other signatures 2->79 11 Ordem_de_Compra.exe 7 2->11         started        15 xNDINaCRswBIin.exe 5 2->15         started        signatures3 process4 file5 49 C:\Users\user\AppData\...\xNDINaCRswBIin.exe, PE32 11->49 dropped 51 C:\Users\user\AppData\Local\...\tmp36DA.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 95 2 other signatures 11->95 17 RegSvcs.exe 11->17         started        20 powershell.exe 23 11->20         started        22 schtasks.exe 1 11->22         started        93 Multi AV Scanner detection for dropped file 15->93 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 39 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 www.ssongg4323.cfd 119.28.188.59, 80 TENCENT-NET-AP-CNTencentBuildingKejizhongyiAvenueCN China 28->59 61 trsmine.com 208.109.57.58, 49727, 80 SUCURI-SECUS United States 28->61 63 8 other IPs or domains 28->63 97 System process connects to network (likely due to code injection or exploit) 28->97 38 cmd.exe 12 28->38         started        41 chkdsk.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 1 38->45         started        process14 process15 47 conhost.exe 45->47         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/3bf5b7a790a0037955d47c15a137f502d89a838f6c0208304a961fdc6f3b0491/
Threat name:
Win32.Trojan.Znyonm
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Status:
Malicious
First seen:
2023-10-10 11:36:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
17 of 22 (77.27%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=hp23pj4quabxsvoupqk2cn7valmjva4pnqbaqmcksyp5y3z3asiq._file
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:ey16 rat spyware stealer trojan
Link:
https://tria.ge/reports/231010-nqkmvafb22/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
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:
5be1f28d9498131099c4989b821b1a289e9ee6475472309482db944fc99e2fab
MD5 hash:
c1d50dfc28e785fef6639c4619cea4af
SHA1 hash:
39ef93d0350a6edd0bbbeabf0ff361fbd913f8fe
Detections:
FormBook
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win_formbook_w0
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win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/7ecf7ff2-d0c3-466e-bcd8-1e47cd341693/
Parent samples :
d404e5865cddbf47f6a494f9120130035b3ac5761810dc75e20bc28873327547
851bc963ff7f1029f7495c537b2c4a34552dd60750e334cfaf237da398e6ea67
3bf5b7a790a0037955d47c15a137f502d89a838f6c0208304a961fdc6f3b0491
881bd1f6b3a38e6e6bf2c43c904b65beeba6a00a109319da26b360e12579ac30
0f6bd3f07adcb52e4e0a94d3fcc307b0780cdcd2e02ff3640474cd32303b898b
5e4b300ac46a2d4719d60e261c479afc3ed6f4027afcb5f620a7bdf33d876336
fa86b4d3e3e4217d2c502925eb6c41fb7a9bf0a17a976fc6a11a849d5861c8d0
4fa40e3581a918c9056869d70903c1cece412ef17ad7dc2e26526f3963bfe015
dd5db5ca37b7e3a33e323e2c984b9bf12eac507d76ad6e037b752b88563df71d
3b489dc63c132895a8a9409c02ee6497aec106fd047d55bb199cb55bfe922539
c3cab31d3036e4d8d4f24084ecf281cb30463cf2ed2a9c7245cf4ddf7c11a936
SH256 hash:
a040efb5ce92995b5d40fd2536c8ad6a93f2d8584a3dd52f07cdb0b34c9e6e29
MD5 hash:
a5a52675690de850e3de6c05a9bd885f
SHA1 hash:
fd953edf2e910fbb43c9e6d4c8d48632bb4e55c6
Link:
https://www.unpac.me/results/7ecf7ff2-d0c3-466e-bcd8-1e47cd341693/
SH256 hash:
b1270dc9ec3f22c6fd2296239426ac7c48589589580d4a1b3da8188920b22a63
MD5 hash:
5c904da8528cfb1b87b15a6aa7c059cd
SHA1 hash:
f0a192969485d1bc34bf52adf37d9c20176d6b85
Link:
https://www.unpac.me/results/7ecf7ff2-d0c3-466e-bcd8-1e47cd341693/
SH256 hash:
330a0b1303efbbc3fa172e2054ab372469dfdf898c95f07e38ab9e4f300306ee
MD5 hash:
3e83876a5d3bd1b70eb49b6d41b3587e
SHA1 hash:
14e69998f92958289e7caedef8d8faf596d35276
Link:
https://www.unpac.me/results/7ecf7ff2-d0c3-466e-bcd8-1e47cd341693/
SH256 hash:
3bf5b7a790a0037955d47c15a137f502d89a838f6c0208304a961fdc6f3b0491
MD5 hash:
bfab7164cf7dc1f2a61f4071a3bfcee5
SHA1 hash:
c56d6f06151bea435bacf74651337e43f3a7dc47
Link:
https://www.unpac.me/results/7ecf7ff2-d0c3-466e-bcd8-1e47cd341693/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3bf5b7a790a0/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/3bf5b7a790a0037955d47c15a137f502d89a838f6c0208304a961fdc6f3b0491

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:NET
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Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
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 3bf5b7a790a0037955d47c15a137f502d89a838f6c0208304a961fdc6f3b0491

(this sample)

  
Delivery method
Distributed via e-mail attachment

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