MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 29cabc4d11ff9dc55301ff8d60eb06d1e1ec9c2509910ceda522e84ab4e240f8. 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: 19


Intelligence 19 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 29cabc4d11ff9dc55301ff8d60eb06d1e1ec9c2509910ceda522e84ab4e240f8
SHA3-384 hash: 51a375e1e0e17124602c61b772fbb63ed9eaea793e59422dcc9d721248339bc6d1ccd7fd02cf61a2c452bdf215d5505a
SHA1 hash: 08c829e972d92ff9d6386c25014dcda629165ecf
MD5 hash: 9a28fed41f2ac3aff59ffdde4a752434
humanhash: one-london-sodium-snake
File name:RECIBO MTCN.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:301'488 bytes
First seen:2023-03-28 18:27:13 UTC
Last seen:2023-03-29 08:41:13 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:/Ya6uP3tS22mHJp2HJpuK9dw4ax7C+nfZu5tCt4J4p5yXc/DOaK:/YY/tS2xUqKc4al3ns5ktS44YqaK
Threatray 2'602 similar samples on MalwareBazaar
TLSH T13E541202E5A0C9ABC97583B06A776621FBB5F81984F86B0F2360DE1E3976F40690F751
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 Anonymous
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
253
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
RECIBO MTCN.exe
Verdict:
Malicious activity
Analysis date:
2023-03-28 18:28:56 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/538c643f-cbc6-4426-b030-dde86f5a97bf

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/378286/
Detection(s):
SecuriteInfo.com.Trojan.Loader.1363.7772.14132.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
Launching a process
Searching for synchronization primitives
Searching for the window
Сreating synchronization primitives
Launching cmd.exe command interpreter
Sending a custom TCP request
Setting browser functions hooks
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Forced shutdown of a system process
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/75488/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
comodo formbook nemesis overlay packed remcos shell32.dll
Link:
https://www.filescan.io/uploads/642331b4d56d0328e772981f/reports/00f594b8-03ea-45c3-8545-66e495192ee9/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/29cabc4d11ff9dc55301ff8d60eb06d1e1ec9c2509910ceda522e84ab4e240f8
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/f5c8582c-56a7-4568-93e6-137c7cc91bd4
Result
Threat name:
FormBook, Play
Create hunting rule
Detection:
malicious
Classification:
rans.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1203770
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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 detect virtualization through RDTSC time measurements
Yara detected FormBook
Yara detected Play Ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 836683 Sample: RECIBO_MTCN.exe Startdate: 28/03/2023 Architecture: WINDOWS Score: 100 36 www.kulturemarket.com 2->36 50 Malicious sample detected (through community Yara rule) 2->50 52 Antivirus detection for URL or domain 2->52 54 Multi AV Scanner detection for submitted file 2->54 56 5 other signatures 2->56 12 RECIBO_MTCN.exe 19 2->12         started        signatures3 process4 file5 34 C:\Users\user\AppData\Local\Temp\mytnrk.exe, PE32 12->34 dropped 15 mytnrk.exe 1 12->15         started        process6 signatures7 66 Multi AV Scanner detection for dropped file 15->66 68 Detected unpacking (changes PE section rights) 15->68 70 Maps a DLL or memory area into another process 15->70 72 Tries to detect virtualization through RDTSC time measurements 15->72 18 mytnrk.exe 15->18         started        21 conhost.exe 15->21         started        process8 signatures9 42 Modifies the context of a thread in another process (thread injection) 18->42 44 Maps a DLL or memory area into another process 18->44 46 Sample uses process hollowing technique 18->46 48 Queues an APC in another process (thread injection) 18->48 23 explorer.exe 2 6 18->23 injected process10 dnsIp11 38 www.fastartcustom.com 23->38 40 www.bloodbahis278.com 23->40 58 System process connects to network (likely due to code injection or exploit) 23->58 27 cmmon32.exe 23->27         started        signatures12 process13 signatures14 60 Modifies the context of a thread in another process (thread injection) 27->60 62 Maps a DLL or memory area into another process 27->62 64 Tries to detect virtualization through RDTSC time measurements 27->64 30 cmd.exe 1 27->30         started        process15 process16 32 conhost.exe 30->32         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/29cabc4d11ff9dc55301ff8d60eb06d1e1ec9c2509910ceda522e84ab4e240f8/
Threat name:
Win32.Trojan.Tnega
Create hunting rule
Status:
Malicious
First seen:
2023-03-27 06:52:11 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
18 of 23 (78.26%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=fhflytir76o4kuyb76gwb2yg2hq6zhbfbgiqz3nfeluevnhcid4a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
07d1fbe440d512969adadf047def89d10cc5f9d872dc23ec5cd01be90b75f6ef
Formbook
11b7ed15ae6b1bb53ad3eeff567acb939f794bfdf067b6c3c07c19a15a02fb8f
Formbook
1ac8f393a04b5869cd69771e1bb1c9a6b8a895239e3ce18a62706bee4ce59d2b
Formbook
4f285ae8e4b4fc0bc50cb639a413412a276f7d187770da6fb5e089eeeff9145e
Formbook
6b5b7952bdd33c6b92105d81a2211e7a2f907b89fd0a76c344db8ded9dc36802
Formbook
6df873769694ef3980e2e19d8c657e4d993938b9c9ee8912a95f83027f1a2ea0
Formbook
9472d7a4e6028ef04c5b1a1a57844a3198229bd209b68c1d3534123e4fad8fb2
Formbook
9580bddf76a3d9179e760fba40850e85f6dc3baad1356165b78cf160bad11f28
Formbook
a5976236ba0b3e31a6dd09af3abe7d0121a4053bb22669869a874d1ba97bd495
Formbook
efd586fdc04eae13911a3f2638cb478edb6c952716e3279d854c4d855a9a70c1
Formbook
+ 2'592 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:ke03 rat spyware stealer trojan
Link:
https://tria.ge/reports/230328-w4bwvsce39/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Executes dropped EXE
Loads dropped DLL
Formbook payload
Formbook
Unpacked files
SH256 hash:
96dfe2573f67812999429737db319271ad327c4bb173fbe7051037b4e3d7b04c
MD5 hash:
f32f083f7630161174df3af81ad783fc
SHA1 hash:
a0e2c3baa60af70675c0fe3c7e04b90de521e30f
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/a4bf12d9-9a59-4b4c-ba23-f90ddc5fe2e2/
Parent samples :
1ac8f393a04b5869cd69771e1bb1c9a6b8a895239e3ce18a62706bee4ce59d2b
9ebd42be2d0f505ae863efdf099bd29f7058ec11077db24fb97c5683eb8df9fb
95065b804be96515ee5325880deb0126a9260f55589d506df803bed60dae1f41
776da205cc0aa18abd7fe68c234bbad03c9e0a420db8d51de997a4741d1b4028
0ca1816f2c6bc6bb3e9dc4f32b36211472bf4d737d561e9c0a2d67ad38f474a2
29cabc4d11ff9dc55301ff8d60eb06d1e1ec9c2509910ceda522e84ab4e240f8
3071191c41a879c8eba85480f068a9435cb56a469bf5c11403dc9cd0be7f9fbe
SH256 hash:
2b31311b62da5ef612b3c8060456914fb0e23e095a79ad21b0c9e05569016910
MD5 hash:
b545eeb0fc5312fa44c44656405c4650
SHA1 hash:
b4d549feb61e5584f304ec0c80c07de240824663
Link:
https://www.unpac.me/results/a4bf12d9-9a59-4b4c-ba23-f90ddc5fe2e2/
SH256 hash:
29cabc4d11ff9dc55301ff8d60eb06d1e1ec9c2509910ceda522e84ab4e240f8
MD5 hash:
9a28fed41f2ac3aff59ffdde4a752434
SHA1 hash:
08c829e972d92ff9d6386c25014dcda629165ecf
Link:
https://www.unpac.me/results/a4bf12d9-9a59-4b4c-ba23-f90ddc5fe2e2/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/29cabc4d11ff/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/29cabc4d11ff9dc55301ff8d60eb06d1e1ec9c2509910ceda522e84ab4e240f8

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: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

Executable exe 29cabc4d11ff9dc55301ff8d60eb06d1e1ec9c2509910ceda522e84ab4e240f8

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/378286/

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