MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2f19bd5bfb2adbefdfe7237239415513183d3503e433ad08223197fc9af0dc8e. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2f19bd5bfb2adbefdfe7237239415513183d3503e433ad08223197fc9af0dc8e
SHA3-384 hash: bd193d181f6baa7373a9d72ca7d911e38fc912cfbef78654c4c8e14eda325a82f15a507fbdf3e914630bdf9a443f3c34
SHA1 hash: 107628d4bf7e90c3d4319a900dbacdbc31c71ab9
MD5 hash: 7288a60d48b958dd0d65c10721f2ae0e
humanhash: double-grey-idaho-equal
File name:Swift mesaj.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:608'472 bytes
First seen:2023-04-05 18:33:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 56a78d55f3f7af51443e58e0ce2fb5f6 (719 x GuLoader, 451 x Formbook, 295 x Loki)
ssdeep 12288:1h+G1b1b2rIhUl/ziC/G2I1OfRChEa+CeKdX:1h+G1b1CrIi/zBG3hEjsB
Threatray 753 similar samples on MalwareBazaar
TLSH T1ABD4F10ABD11520BC8659A374C735BD31EB76D3D89E45A2113FEBA1F88723CA759C283
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon e070cec884e07889 (5 x GuLoader, 4 x Formbook)
Reporter abuse_ch
Tags:exe FormBook signed

Code Signing Certificate

Organisation:
Issuer:
Algorithm:sha256WithRSAEncryption
Valid from:2023-02-28T04:47:12Z
Valid to:2026-02-27T04:47:12Z
Serial number: 1b875697bc3928299a3321cc0e2fdc0acea36366
Thumbprint Algorithm:SHA256
Thumbprint: 4e8e101b3e5f5bd07bcedac16476a6b966678db35d144e926a2a92f2dba9a7cb
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
258
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Swift mesaj.exe
Verdict:
Malicious activity
Analysis date:
2023-04-05 18:34:12 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/bb671261-d1e5-4ddd-aee8-0944bbfd1518

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/380430/
Detection(s):
SecuriteInfo.com.Gen.Variant.Nemesis.21295.16283.9239.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% subdirectories
Creating a file in the %AppData% directory
Delayed reading of the file
Sending a custom TCP request
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/76704/overview
Behaviour
MalwareBazaar
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
83%
Tags:
guloader icedid overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/642dbf1b497fb6f23efd97c3/reports/9928cc85-44c0-4dcc-a64e-786cafb80cd2/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/2f19bd5bfb2adbefdfe7237239415513183d3503e433ad08223197fc9af0dc8e
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/93a4d13a-96f7-484b-a70a-dd40d5c85df6
Result
Threat name:
FormBook, GuLoader
Create hunting rule
Detection:
malicious
Classification:
rans.troj.evad.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1209167
Signature
Antivirus detection for URL or domain
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)
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 detect Any.run
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
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 842083 Sample: Swift_mesaj.exe Startdate: 05/04/2023 Architecture: WINDOWS Score: 100 40 www.vinayakatlantis.com 2->40 42 www.sbreyuyufwkg.top 2->42 44 17 other IPs or domains 2->44 62 Snort IDS alert for network traffic 2->62 64 Malicious sample detected (through community Yara rule) 2->64 66 Antivirus detection for URL or domain 2->66 68 3 other signatures 2->68 11 Swift_mesaj.exe 1 34 2->11         started        signatures3 process4 file5 32 C:\Users\user\AppData\Local\...\System.dll, PE32 11->32 dropped 34 C:\Users\user\AppData\...\gobject-2.0.dll, PE32+ 11->34 dropped 36 C:\Users\user\AppData\Local\...36MDllHost.exe, PE32 11->36 dropped 38 C:\Users\user\AppData\Local\...\BtvStack.exe, PE32+ 11->38 dropped 80 Tries to detect Any.run 11->80 15 Swift_mesaj.exe 6 11->15         started        signatures6 process7 dnsIp8 52 124.71.228.145, 49815, 80 HWCSNETHuaweiCloudServicedatacenterCN China 15->52 54 Modifies the context of a thread in another process (thread injection) 15->54 56 Tries to detect Any.run 15->56 58 Maps a DLL or memory area into another process 15->58 60 2 other signatures 15->60 19 RAVCpl64.exe 15->19 injected signatures9 process10 process11 21 cmmon32.exe 13 19->21         started        signatures12 70 Tries to steal Mail credentials (via file / registry access) 21->70 72 Tries to harvest and steal browser information (history, passwords, etc) 21->72 74 Writes to foreign memory regions 21->74 76 3 other signatures 21->76 24 explorer.exe 3 1 21->24 injected 28 firefox.exe 21->28         started        process13 dnsIp14 46 www.minevisn.com 89.31.143.1, 49854, 49855, 49857 QSC-AG-IPXDE Germany 24->46 48 www.hangthanhlyonline.com 160.124.11.52, 49850, 49851, 49852 POWERLINE-AS-APPOWERLINEDATACENTERHK South Africa 24->48 50 13 other IPs or domains 24->50 78 System process connects to network (likely due to code injection or exploit) 24->78 30 WerFault.exe 4 28->30         started        signatures15 process16
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2f19bd5bfb2adbefdfe7237239415513183d3503e433ad08223197fc9af0dc8e/
Threat name:
Win32.Trojan.Tnega
Create hunting rule
Status:
Malicious
First seen:
2023-04-05 04:28:27 UTC
File Type:
PE (Exe)
Extracted files:
64
AV detection:
14 of 35 (40.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=f4m32w73fln67x7henzdsqkvcmmd2nid4qz22cbcggl7zgxq3sha._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
06243274174960778e1adac528d0c2641cf742fa2ba0759c9fe762f7a0692aff
Formbook
169fdf358714cd65c4451fe9ec9cb72217367296298f5b570b3e6c74f1a59f61
Formbook
601d52629466f941c618f71698c7ef86fa1de8329e3de879960b10168c28c5ba
Formbook
7cdb9e0fde39ad1578dbd905a88c8b6492a608349c0fed0c79879f5a086108e9
Formbook
9a24f59f2af8bc6f278f8ad8d8e9664687deef8ac0a387ea576a9d1e84837fc7
Formbook
abb75e66ee83ac1c6c680292e35c0fbc2c40020661da883a3787767e87739127
Formbook
c0303022c1e2e014df91a6ff93d540d2e734a938f93e16649941c418d54e5a62
Formbook
e29c4da2ffb29da2ca94953e638058674b6234ac0c75864d644a661d582a3ab1
Formbook
f548590defc2ccbe24f628129535444295460ede5f719adb540cf1a67bcae839
Formbook
+ 743 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/230405-w7t7lsah3s/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Checks QEMU agent file
Checks computer location settings
Loads dropped DLL
Unpacked files
SH256 hash:
5d48b45b45cef7cf314f319df573ca51e5c3eb57e349b8228932398e0c92d361
MD5 hash:
66181f9df55c0daa9555b3ce50fb0457
SHA1 hash:
51546e9fce68f1a1faf0435c5c0843816ee193c9
Link:
https://www.unpac.me/results/415b828d-ef9a-4eaf-a59c-fc47e1d6e7b7/
SH256 hash:
2f19bd5bfb2adbefdfe7237239415513183d3503e433ad08223197fc9af0dc8e
MD5 hash:
7288a60d48b958dd0d65c10721f2ae0e
SHA1 hash:
107628d4bf7e90c3d4319a900dbacdbc31c71ab9
Link:
https://www.unpac.me/results/415b828d-ef9a-4eaf-a59c-fc47e1d6e7b7/
Malware family:
GuLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/2f19bd5bfb2a/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/2f19bd5bfb2adbefdfe7237239415513183d3503e433ad08223197fc9af0dc8e

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe 2f19bd5bfb2adbefdfe7237239415513183d3503e433ad08223197fc9af0dc8e

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/380430/

Comments