MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 55c120bb50a6bf06059df09079156abe3e1ada2114e045a5ef56d2f747082995. 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: 14


Intelligence 14 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 55c120bb50a6bf06059df09079156abe3e1ada2114e045a5ef56d2f747082995
SHA3-384 hash: a45d1aa5aac494d7d0e21cbd1f0a7f8df0f490fa7ebc6ae96a3e2e7e723124e0e527ece4b802e1f834712c6dacc5710e
SHA1 hash: 5cc514031ebe4cefe6106416f31939485eafef28
MD5 hash: c218fd0e2ebdee9c1f519d079dbdb097
humanhash: equal-equal-snake-kansas
File name:PB48847-2220011833 CNV BRP-HIPPS Budgetary proposal (Technical).exe
Download: download sample
Signature Formbook
Create hunting rule
File size:260'955 bytes
First seen:2023-03-06 07:48:48 UTC
Last seen:2023-03-06 09:39:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:/Ya6F5Q8qARZn/jONOXpOv5v9gO3nR5rwzFv:/Y35NLn/qNOZOrgMr4
Threatray 2'338 similar samples on MalwareBazaar
TLSH T17A441240A1F4C0F7FBA307B11C365FD7ABD6A52219A96A1B0720CF697E22247C95F742
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 cocaman
Tags:exe FormBook QUOTATION

Intelligence

File Origin
# of uploads :
2
# of downloads :
212
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
PB48847-2220011833 CNV BRP-HIPPS Budgetary proposal (Technical).exe
Verdict:
Malicious activity
Analysis date:
2023-03-06 07:50:34 UTC
Tags:
stealer formbook trojan
Link:
https://app.any.run/tasks/b20bbf46-94b3-456d-ac2e-2bf391f3214f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/371803/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.40042207.272.1270.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Searching for the window
Searching for synchronization primitives
Launching a process
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Reading critical registry keys
Unauthorized injection to a recently created process
Launching the default Windows debugger (dwwin.exe)
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/64059af0bfec0852a68f9e78/reports/7ceb70bc-e8d9-46d6-88b3-e1e041911e6b/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/55c120bb50a6bf06059df09079156abe3e1ada2114e045a5ef56d2f747082995
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/c53f8313-e81c-4b41-a709-5aa6c01c9921
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1187564
Signature
Antivirus detection for URL or domain
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)
Sample uses process hollowing technique
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 820442 Sample: PB48847-2220011833 CNV BRP-... Startdate: 06/03/2023 Architecture: WINDOWS Score: 100 35 Malicious sample detected (through community Yara rule) 2->35 37 Antivirus detection for URL or domain 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 2 other signatures 2->41 9 PB48847-2220011833 CNV BRP-HIPPS Budgetary proposal (Technical).exe 19 2->9         started        process3 file4 27 C:\Users\user\AppData\Local\Temp\cidphz.exe, PE32 9->27 dropped 12 cidphz.exe 1 9->12         started        process5 signatures6 53 Multi AV Scanner detection for dropped file 12->53 55 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 12->55 57 Maps a DLL or memory area into another process 12->57 15 cidphz.exe 12->15         started        18 conhost.exe 12->18         started        process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 15->59 61 Maps a DLL or memory area into another process 15->61 63 Sample uses process hollowing technique 15->63 65 Queues an APC in another process (thread injection) 15->65 20 explorer.exe 1 15->20 injected process9 dnsIp10 29 088-356.com 45.125.218.235, 49698, 80 PING-GLOBAL-ASPingGlobalAmsterdamPOPASNNL Hong Kong 20->29 31 www.hal-skincare.com 210.175.230.239, 49699, 49700, 49701 FRTFirstRidingTechnologyIncJP Japan 20->31 33 www.bet3658402.com 20->33 43 System process connects to network (likely due to code injection or exploit) 20->43 24 cmstp.exe 13 20->24         started        signatures11 process12 signatures13 45 Tries to steal Mail credentials (via file / registry access) 24->45 47 Tries to harvest and steal browser information (history, passwords, etc) 24->47 49 Modifies the context of a thread in another process (thread injection) 24->49 51 Maps a DLL or memory area into another process 24->51
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/55c120bb50a6bf06059df09079156abe3e1ada2114e045a5ef56d2f747082995/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-03-04 01:52:24 UTC
AV detection:
22 of 25 (88.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=kxasbo2qu27qmbm56cihsflkxy7bvwrbctqeljppk3jporyifgkq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0bd096a462dd6ca8fd6563954bcb47167296672ce207e0a1b8b2407a796760a6
Formbook
213002db79b1a5e11521190f9f11fcdda96e24ab0f382fff8b9f6347c618631d
Formbook
3c081233757b9e6b0c3b74db106fb9778b2bcef8a708fc642f3e2c4e6eb74410
Formbook
4c817012f18358469290ab2d534a7670dbd7769499cfafa327b5f7afca8c3552
Formbook
4e11fcc1a1b57eda0d4a01087856ab72ea159ec8ad1f8430c0db94fb250c65e2
Formbook
707ae12af6622a529cdd2a96a2f1708dc39b57a3cda03f343b7d4498d6d95c30
Formbook
94a833628759b13c4fa9edb3b0612ffbb4e49da640bbbc9a587a126dc06efca1
Formbook
ab080c6c62ba54b560f3feb271626ae0fe1804834f51eeac008f576f4e1299a0
Formbook
ca92353954eb428f99d73b11f26650f1ed59df39a99a04d45552c8b9ba4e1459
Formbook
f10977aa7669d218b31988c0611eee29e2b4603976b8c346672b2cc78beab4d2
Formbook
+ 2'328 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/230306-jnn52abb73/
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Unpacked files
SH256 hash:
e0d9e0a955bf0bc2750488b94b1065c84426bd8d121cb3b1c38f5048079431c3
MD5 hash:
4aca7c7bffde59d78e6efcfdd5e03e6f
SHA1 hash:
efd7c7950ba4b9338d6e697420b40d196a07878e
Detections:
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/ec877794-c5af-4bf3-961c-7fcf1de21aa5/
Parent samples :
94a833628759b13c4fa9edb3b0612ffbb4e49da640bbbc9a587a126dc06efca1
213002db79b1a5e11521190f9f11fcdda96e24ab0f382fff8b9f6347c618631d
55c120bb50a6bf06059df09079156abe3e1ada2114e045a5ef56d2f747082995
f018a0aaa8f07136185382357b133ca8689530a8622fcccb3e2aefddf84842c4
182a18ad06cda267927c8475ad7938e688a2f43caebaec5a1dfb59c052fb8f8b
053a64ef6d5565a28e07e24ac18ceb52bda1a23db0ff0d328e5ce3ce597fd93a
7dbb1e7e87b226fcaac5105cc09754505ccc70a9585a09e6df5742e362f2ad90
SH256 hash:
b1551135c7897184389b618805198f0b6adcda74ba7a257127db6896d73d4b98
MD5 hash:
3615a745af26c12e02465bdc4bc3b08d
SHA1 hash:
3f9a4bf4164f39ca6b9ea40b159d90c8685cf7bf
Link:
https://www.unpac.me/results/ec877794-c5af-4bf3-961c-7fcf1de21aa5/
SH256 hash:
55c120bb50a6bf06059df09079156abe3e1ada2114e045a5ef56d2f747082995
MD5 hash:
c218fd0e2ebdee9c1f519d079dbdb097
SHA1 hash:
5cc514031ebe4cefe6106416f31939485eafef28
Link:
https://www.unpac.me/results/ec877794-c5af-4bf3-961c-7fcf1de21aa5/
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/55c120bb50a6bf06059df09079156abe3e1ada2114e045a5ef56d2f747082995

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:crime_win32_ransom_avaddon_1
Create hunting rule
Author:@VK_Intel
Description:Detects Avaddon ransomware
Reference:https://twitter.com/VK_Intel/status/1300944441390370819
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Windows_Trojan_Formbook
Create hunting rule
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Create hunting rule
Author:Elastic Security
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.
Rule name:win_formbook_w0
Create hunting rule
Author:@malgamy12

File information

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

Malspam

Formbook

zip fcc2a09de71e06c4ff102e5158d89e2696914b86d44f2a89be0848cdd71ce1e4

Formbook

Executable exe 55c120bb50a6bf06059df09079156abe3e1ada2114e045a5ef56d2f747082995

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 fcc2a09de71e06c4ff102e5158d89e2696914b86d44f2a89be0848cdd71ce1e4
Cape
Cape
https://www.capesandbox.com/analysis/371803/
  
Dropped by
MD5 02604782861efe9c68e7856043e5e13b

Comments