MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 726fd095c55cdab5860f8252050ebd2f3c3d8eace480f8422e52b3d4773b0d1c. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments
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SHA256 hash: 726fd095c55cdab5860f8252050ebd2f3c3d8eace480f8422e52b3d4773b0d1c
SHA3-384 hash: 649efc28e290190b6b9ea621dc82b092e7bc4f367f8e0162e05c28a6aff74b64cc7366edb5abee6192992b1afb3dee4d
SHA1 hash: 6e7b8bdc554fe91eac7eef5b299158e6b2287c40
MD5 hash: b7127b3281dbd5f1ae76ea500db1ce6a
humanhash: pennsylvania-saturn-yellow-fish
File name:MT10320221808-004. pdf.exe
Download: download sample
Signature Formbook
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File size:713'728 bytes
First seen:2022-08-18 17:09:58 UTC
Last seen:2022-08-19 08:16:35 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'642 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 12288:r7Y911R/5P96nhHwJ49Oy6P31BVdtXyytO/ELf:r8PwhYX/VdtXjtoEz
TLSH T16DE4E02436B91F97FA7C0BFDA9A0600443F4762B241EF399AEC270EF5966F854900E57
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)
File icon (PE):PE icon
dhash icon 13331333690d3749 (11 x Formbook, 5 x AgentTesla, 1 x AveMariaRAT)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
329
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
MT10320221808-004. pdf.exe
Verdict:
Malicious activity
Analysis date:
2022-08-18 08:47:46 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/8b7cd43b-b93c-4300-b936-9a73ba833e86

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/299628/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1496.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Creating a file
Launching a process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed wacatac
Link:
https://www.filescan.io/uploads/62fe726f6df203c16a8e64b9/reports/0d47dd5a-c714-4e17-9002-bc967c2f9861/overview
Result
Verdict:
UNKNOWN
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/2caf3e8c-a9ad-42ce-be99-ea719add9e0d
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1053699
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Deletes itself after installation
Injects a PE file into a foreign processes
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)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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 harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 686211 Sample: MT10320221808-004. pdf.exe Startdate: 18/08/2022 Architecture: WINDOWS Score: 100 31 www.caraudiohub-au.site 2->31 35 Malicious sample detected (through community Yara rule) 2->35 37 Multi AV Scanner detection for submitted file 2->37 39 Yara detected AntiVM3 2->39 41 6 other signatures 2->41 9 MT10320221808-004. pdf.exe 3 2->9         started        signatures3 process4 file5 23 C:\Users\...\MT10320221808-004. pdf.exe.log, ASCII 9->23 dropped 51 Injects a PE file into a foreign processes 9->51 13 MT10320221808-004. pdf.exe 9->13         started        signatures6 process7 signatures8 53 Modifies the context of a thread in another process (thread injection) 13->53 55 Maps a DLL or memory area into another process 13->55 57 Sample uses process hollowing technique 13->57 59 Queues an APC in another process (thread injection) 13->59 16 explorer.exe 13->16 injected process9 dnsIp10 25 www.uniquegiftlab.com 188.114.97.3, 49736, 80 CLOUDFLARENETUS European Union 16->25 27 www.amisens.com 16->27 29 prod-sav-park-lb01-1919960993.us-east-2.elb.amazonaws.com 3.21.90.33, 49738, 49740, 80 AMAZON-02US United States 16->29 33 System process connects to network (likely due to code injection or exploit) 16->33 20 colorcpl.exe 13 16->20         started        signatures11 process12 signatures13 43 Tries to steal Mail credentials (via file / registry access) 20->43 45 Tries to harvest and steal browser information (history, passwords, etc) 20->45 47 Deletes itself after installation 20->47 49 2 other signatures 20->49
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/726fd095c55cdab5860f8252050ebd2f3c3d8eace480f8422e52b3d4773b0d1c/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-08-18 07:45:01 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
21 of 25 (84.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ojx5bfofltnllbqpqjjakdv5f46d3dvm4sapqqrokkz5i5z3buoa._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
n/a
Score:
  8/10
Tags:
spyware stealer
Link:
https://tria.ge/reports/220818-vpp99shdaq/
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
Reads user/profile data of web browsers
Blocklisted process makes network request
Unpacked files
SH256 hash:
253c6a84a874153c19bf05bec4d01ffe7fc0f2d2f2df4e3238a13365b1ea8cc7
MD5 hash:
e3ac841b57fe32808772e1ad00cadee8
SHA1 hash:
f841dfae708b50887f39963128d4249181dfef68
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/f0fb8bde-5cce-4532-9d7e-529afb652edd/
Parent samples :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 hash:
551ef0181260a5ab5728a618c2e86443753aaeb425e6c3b1346dfb0a661c73af
MD5 hash:
3c7205139e6aabd7de040b15021c24ed
SHA1 hash:
e4c66e4ca1bb3b5488d7c4ba7fddc8cac118955f
Link:
https://www.unpac.me/results/f0fb8bde-5cce-4532-9d7e-529afb652edd/
SH256 hash:
e1206ce47e100e339079724831365ee0116074bab6a7a106f63ea5f5a4e24119
MD5 hash:
e3f6de4c8537c9dfbcf9fe3f6b40bb03
SHA1 hash:
a2b895b0d2cb309ea088038f778c65a2c2253b56
Link:
https://www.unpac.me/results/f0fb8bde-5cce-4532-9d7e-529afb652edd/
SH256 hash:
bfa4ef9985e35bcbed30b532a2797516a3ef680dfa2e66e03eecd2a9008359c7
MD5 hash:
5775e58db01d971b455d05209c111dcc
SHA1 hash:
5f0b938a5d9c7cafa4e223c09c2db61f818ff5aa
Link:
https://www.unpac.me/results/f0fb8bde-5cce-4532-9d7e-529afb652edd/
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
Link:
https://www.unpac.me/results/f0fb8bde-5cce-4532-9d7e-529afb652edd/
SH256 hash:
726fd095c55cdab5860f8252050ebd2f3c3d8eace480f8422e52b3d4773b0d1c
MD5 hash:
b7127b3281dbd5f1ae76ea500db1ce6a
SHA1 hash:
6e7b8bdc554fe91eac7eef5b299158e6b2287c40
Link:
https://www.unpac.me/results/f0fb8bde-5cce-4532-9d7e-529afb652edd/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/726fd095c55c/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.61
Link:
https://yomi.yoroi.company/submissions/726fd095c55cdab5860f8252050ebd2f3c3d8eace480f8422e52b3d4773b0d1c

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 726fd095c55cdab5860f8252050ebd2f3c3d8eace480f8422e52b3d4773b0d1c

(this sample)

  
Dropped by
Formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/299628/

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