MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 52d59ef429b603cbce2bf34aeb7f11e28b70dc0d6617186f498a08c17666f282. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 52d59ef429b603cbce2bf34aeb7f11e28b70dc0d6617186f498a08c17666f282
SHA3-384 hash: acac421378d7b38ff7f72ec44ce6c026d1d2d75bead9a8562375c8f08fbeac5385d5f5e45a8c24e808320013f66c6564
SHA1 hash: 172638819b372968727139b3d3a261352fbe7516
MD5 hash: c84131ae8a3ac2d26c2304a119f93559
humanhash: robert-eight-connecticut-jig
File name:Proforma Invoice.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:581'120 bytes
First seen:2022-08-31 12:04:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:pk3ufWH4NXbTUkHDI2f8UUvVf2U56lHTszkb4sMUVsxIgbZAAAqz0aIXWX6:pk3nsTUkHDIUMF5G4siIgtog
TLSH T13BC4235067FE966AC0EF07F442B4B18153F07B656642FB4F6FBA29ED0C21B024A916C7
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
268
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/306817/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1427.17808.28271.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed remcos
Link:
https://www.filescan.io/uploads/630f4e7f3e9e50b1baefec63/reports/a173e299-9daf-4fa4-a587-96a34640418d/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.
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1061545
Behaviour
Behavior Graph:
n/a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/52d59ef429b603cbce2bf34aeb7f11e28b70dc0d6617186f498a08c17666f282/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2022-08-29 07:48:42 UTC
File Type:
PE (.Net Exe)
Extracted files:
22
AV detection:
28 of 40 (70.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=klkz55bjwyb4xtrl6nfow7yr4kfxbxanmylrq32jriemc5tg6kba._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/220831-n86b9sdhel/
Behaviour
Modifies Internet Explorer settings
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
Suspicious use of SetThreadContext
Checks computer location settings
Unpacked files
SH256 hash:
cd5cfe42e055ba2f26c5648c97217b3987501bdd2dfbb6c09f3db9e53a46c15f
MD5 hash:
f5519efc6141f89ce4c83c6819ebbecb
SHA1 hash:
8378ae148fe347d03f1e207c4632ddd4079dd70c
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/18b95c00-a385-42d5-a731-0e79fe65c0a9/
Parent samples :
0051c8ac0af126b3df90ec0a431103ea022ace0b947beb2284e9afe2864fa5f1
c93722fc0998cd76a5fcb6959aecc687e3162f620cfbfea06e73f76384109590
ce1520e70cc0387f6f8ef4b9018c0a761a46d5c8aaac9e97371be1c4fd0ab4fd
52d59ef429b603cbce2bf34aeb7f11e28b70dc0d6617186f498a08c17666f282
0ceecaf15bb07d225f39e2bb3e1d403db71fd9daea4771783271cc06e7137608
SH256 hash:
c45a3dae97e5e635a567df02635fe941af384f35cc993d4e52a57fa4f4026b3e
MD5 hash:
966c65a2893f62df72494272d810448f
SHA1 hash:
de82f765123b6ed954996603b663e9bac36acfb6
Link:
https://www.unpac.me/results/18b95c00-a385-42d5-a731-0e79fe65c0a9/
SH256 hash:
99b4d567c9584dd528b674d36d3a9250ecac7deb61481c7718399ef6c2687962
MD5 hash:
6588ca91a11a029bab1dd5ef4346292f
SHA1 hash:
a3b0d286e20fc03d8ac4415a6d62a741e24ae1e1
Link:
https://www.unpac.me/results/18b95c00-a385-42d5-a731-0e79fe65c0a9/
SH256 hash:
c33c2a73981db71724d4a890aa227d0b10341dda498e4326b7ea07994c8d85a8
MD5 hash:
883763cbc6203347bd6d5c3304a4a513
SHA1 hash:
3e9eef48dbc1cf42672acc43b861b8466f104a1f
Link:
https://www.unpac.me/results/18b95c00-a385-42d5-a731-0e79fe65c0a9/
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
Link:
https://www.unpac.me/results/18b95c00-a385-42d5-a731-0e79fe65c0a9/
SH256 hash:
52d59ef429b603cbce2bf34aeb7f11e28b70dc0d6617186f498a08c17666f282
MD5 hash:
c84131ae8a3ac2d26c2304a119f93559
SHA1 hash:
172638819b372968727139b3d3a261352fbe7516
Link:
https://www.unpac.me/results/18b95c00-a385-42d5-a731-0e79fe65c0a9/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/52d59ef429b603cbce2bf34aeb7f11e28b70dc0d6617186f498a08c17666f282

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

Executable exe 52d59ef429b603cbce2bf34aeb7f11e28b70dc0d6617186f498a08c17666f282

(this sample)

  
Dropped by
Formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/306817/

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