MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a3ac1a13b363264a45374dbc9a485e19f80d71cefa4f3cb72a902d46c667330a. 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 12 File information Comments
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SHA256 hash: a3ac1a13b363264a45374dbc9a485e19f80d71cefa4f3cb72a902d46c667330a
SHA3-384 hash: 49de7b626ff0725e2af0dca51c1703ebb86d3df1dcf8cb9392f38a419616d4184a308c4dc64c13bfde9fc37b88401f0c
SHA1 hash: e5c1725b6861aabeb7e02034971598e8c6309fe3
MD5 hash: 89eb6d1207295b0983d4aefa3bd73bc6
humanhash: robert-black-lactose-floor
File name:Ministrstvo za infrastrukturo zahteva za povpra evanje.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:424'507 bytes
First seen:2023-09-06 12:38:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 12288:/Y4sdBfNl3Nhfova74Q4FZg5az4rFLfwwE:/Y4sffT3Nhfoy9kO5aM9bE
Threatray 24 similar samples on MalwareBazaar
TLSH T1279423663AD0E467D0F388F0BE394A37AEF2591125D15A4B07515F4EBD22FAAE2CD310
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 b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter smica83
Tags:exe FormBook HUN

Intelligence

File Origin
# of uploads :
1
# of downloads :
279
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Ministrstvo za infrastrukturo zahteva za povpraševanje.exe
Verdict:
Malicious activity
Analysis date:
2023-09-06 11:15:30 UTC
Tags:
formbook xloader stealer
Link:
https://app.any.run/tasks/cb8b1bf8-45dd-4518-8dc1-f853d7e4d542

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/446575/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.30643.20681.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Launching a process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control lolbin overlay packed shell32
Link:
https://www.filescan.io/uploads/64f872e74578d9c35e043659/reports/6e9139d1-d53e-40e1-9b67-9c9c24b83320/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/a3ac1a13b363264a45374dbc9a485e19f80d71cefa4f3cb72a902d46c667330a
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6be3939e-79c7-49c7-9bd2-4d2acfdd8672
Result
Threat name:
FormBook, NSISDropper
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1304297
Signature
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected FormBook
Yara detected NSISDropper
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1304297 Sample: Ministrstvo_za_infrastruktu... Startdate: 06/09/2023 Architecture: WINDOWS Score: 100 42 Malicious sample detected (through community Yara rule) 2->42 44 Multi AV Scanner detection for submitted file 2->44 46 Yara detected NSISDropper 2->46 48 2 other signatures 2->48 10 Ministrstvo_za_infrastrukturo_zahteva_za_povpra_evanje.exe 18 2->10         started        process3 file4 30 C:\Users\user\AppData\Local\Temp\tbqxcs.exe, PE32 10->30 dropped 13 tbqxcs.exe 10->13         started        process5 signatures6 60 Multi AV Scanner detection for dropped file 13->60 62 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 13->62 64 Maps a DLL or memory area into another process 13->64 16 tbqxcs.exe 13->16         started        process7 signatures8 38 Maps a DLL or memory area into another process 16->38 40 Queues an APC in another process (thread injection) 16->40 19 yFzzfuWoBdjhUpLVzPmxRi.exe 16->19 injected process9 process10 21 chkdsk.exe 13 19->21         started        signatures11 50 Tries to steal Mail credentials (via file / registry access) 21->50 52 Tries to harvest and steal browser information (history, passwords, etc) 21->52 54 Modifies the context of a thread in another process (thread injection) 21->54 56 Maps a DLL or memory area into another process 21->56 24 explorer.exe 1 21->24 injected 28 yFzzfuWoBdjhUpLVzPmxRi.exe 21->28 injected process12 dnsIp13 32 www.navigate-power.boats 172.67.185.210, 49760, 80 CLOUDFLARENETUS United States 24->32 34 www.mbadegree.store 199.59.243.224, 49771, 49772, 49773 BODIS-NJUS United States 24->34 36 www.866102.com 16.163.124.66, 49776, 80 unknown United States 24->36 58 System process connects to network (likely due to code injection or exploit) 24->58 signatures14
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a3ac1a13b363264a45374dbc9a485e19f80d71cefa4f3cb72a902d46c667330a/
Threat name:
Win32.Trojan.Loki
Create hunting rule
Status:
Malicious
First seen:
2023-09-06 10:40:48 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
27 of 37 (72.97%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uowbue5tmmteurjxjw6jusc6dh4a24oo7jhtznzksawunrthgmfa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
105fef1d5e42006e1a9da8c9dab3cabc11909658755c931db357ef6743ed15dc
Formbook
32119baabd1fab988ebaf2f5692f46c797902e94b52729c27f30f8e579feb530
Formbook
5762d46e91e94d731bb4f1047a3d080b27be1b34d05236e8c8f24b24238545fd
Formbook
6372a7f93d8048d9105f81e38d773bffd87ab441e8354bc2100ca781d9b43037
Formbook
6a5fb47fa51f3c9fda9c9b2646a5d0b7d35ea2447e1c144131f2819d49e73518
Formbook
9c8bd9485bb9039e6c2f0bb765ac58131c478b32419643405378bdbb4eb30547
Formbook
bdb41289aeeae3103dae4fa81bdaebb88311bcc6127b1c8c1a9afc96623adbbc
Formbook
fd39da24e0cecd5d485b4242854f6111a89b0a9359639a1c3c0abb87b75fffb1
Formbook
fe4e13f02beb71ea121b69523b04815d53a82de51a7202239c30921fa00817e9
Formbook
+ 14 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
spyware stealer
Link:
https://tria.ge/reports/230906-pvl7xafd3t/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Blocklisted process makes network request
Unpacked files
SH256 hash:
a6b73ff2e44702277423f109aee4d1658007d4322d2a06383e79c5aeb40ed56c
MD5 hash:
31ea2fecac6a45e54cafcc3cf14513ee
SHA1 hash:
175c47d32117f94d5e46efc4cef8d078db91ab51
Link:
https://www.unpac.me/results/998f09f4-6652-4b4b-8f58-849608fe93c1/
SH256 hash:
a3ac1a13b363264a45374dbc9a485e19f80d71cefa4f3cb72a902d46c667330a
MD5 hash:
89eb6d1207295b0983d4aefa3bd73bc6
SHA1 hash:
e5c1725b6861aabeb7e02034971598e8c6309fe3
Link:
https://www.unpac.me/results/998f09f4-6652-4b4b-8f58-849608fe93c1/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a3ac1a13b363/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/a3ac1a13b363264a45374dbc9a485e19f80d71cefa4f3cb72a902d46c667330a

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:DebuggerCheck__GlobalFlags
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
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
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
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.

Cape
Cape
https://www.capesandbox.com/analysis/446575/

Comments