MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1b442bbacbc971f64a3bde3b15e0f287d032f6ed75c66dc2555874645aeb4dc3. 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: 16


Intelligence 16 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1b442bbacbc971f64a3bde3b15e0f287d032f6ed75c66dc2555874645aeb4dc3
SHA3-384 hash: f43f04b3f23f5986d99956d33689ebe586a08f16b56a0b95114591659a261ab23a2bbdf72453f6600c27df4ddf2cd87c
SHA1 hash: d477c902d5ef16212e9f428f9d74e73fb5d69b48
MD5 hash: 77540845546df7115262b7f8a9558ffd
humanhash: football-berlin-uncle-carpet
File name:invoice.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:819'200 bytes
First seen:2023-03-28 13:17:42 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:LgAakl6fbj/ywXZAJZ4Lm7h7b1D53F80r+kSEmfUUPEsw2ZL:9EfP/ywXNQhvmvkSEmfUww8
Threatray 2'411 similar samples on MalwareBazaar
TLSH T1D90512067296DBB7C19E49FE84A3546003B3C36B2363FB863E8455DA6F56BD40B0478B
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b8b4dcecf2b4c6c8 (13 x AgentTesla, 4 x SnakeKeylogger, 3 x Formbook)
Reporter Anonymous
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
244
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
invoice.exe
Verdict:
Malicious activity
Analysis date:
2023-03-28 13:19:17 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/fa09257d-c581-4862-9310-48e28e4be099

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
zgRAT
Create hunting rule
Link:
https://www.capesandbox.com/analysis/378174/
Detection(s):
Sanesecurity.Malware.28872.BadIN4.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Launching a process
Creating a file
Launching the process to change network settings
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6422e90b6ed02dd52de5a91a/reports/dc3b354a-5627-4248-94ba-136929c06b55/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/1b442bbacbc971f64a3bde3b15e0f287d032f6ed75c66dc2555874645aeb4dc3
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/0de37b73-d1de-4973-a500-9c582f0e77c7
Result
Threat name:
FormBook, Play, zgRAT
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1203464
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Initial sample is a PE file and has a suspicious name
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
Snort IDS alert for network traffic
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)
Writes to foreign memory regions
Yara detected FormBook
Yara detected Play Ransomware
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 836387 Sample: invoice.exe Startdate: 28/03/2023 Architecture: WINDOWS Score: 100 32 Snort IDS alert for network traffic 2->32 34 Malicious sample detected (through community Yara rule) 2->34 36 Antivirus detection for URL or domain 2->36 38 8 other signatures 2->38 8 invoice.exe 3 2->8         started        process3 file4 24 C:\Users\user\AppData\...\invoice.exe.log, ASCII 8->24 dropped 50 Writes to foreign memory regions 8->50 52 Allocates memory in foreign processes 8->52 54 Injects a PE file into a foreign processes 8->54 12 RegSvcs.exe 8->12         started        15 RegSvcs.exe 8->15         started        signatures5 process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 12->56 58 Maps a DLL or memory area into another process 12->58 60 Sample uses process hollowing technique 12->60 62 Queues an APC in another process (thread injection) 12->62 17 explorer.exe 1 1 12->17 injected process8 dnsIp9 26 www.53876.world 103.107.236.133, 49696, 80 YISUCLOUDLTD-AS-APYISUCLOUDLTDHK Hong Kong 17->26 28 www.star-house.okinawa 183.181.84.3, 49706, 49707, 80 VECTANTARTERIANetworksCorporationJP Japan 17->28 30 13 other IPs or domains 17->30 40 System process connects to network (likely due to code injection or exploit) 17->40 21 mstsc.exe 13 17->21         started        signatures10 process11 signatures12 42 Tries to steal Mail credentials (via file / registry access) 21->42 44 Tries to harvest and steal browser information (history, passwords, etc) 21->44 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1b442bbacbc971f64a3bde3b15e0f287d032f6ed75c66dc2555874645aeb4dc3/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-03-24 10:35:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=dnccxowlzfy7msr33y5rlyhsq7idf5xnoxdg3qsvlb2giwxljxbq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0dd1d1a74f49a15f9b7dcfc7890060807198b74b835cb17f60886a0f2c9c1376
Formbook
13c4ed220256fb2dfb95631c042d9eadf977bd2dc5e4aa0898ab99bd16d33ef7
Formbook
28ca1fe12d85075d947b1bc3292c14cba784ed1e22287e56819d9a1d86b2f7e4
Formbook
406a5754d88d0b63b7f062093347cc92f2c8ae2e87f64cc280ea59dd8fca9d2a
Formbook
75fe4b601dac47a21ea34b057b8c2ee8623db40d6fbb6e3398b77260ed38eabf
Formbook
86c095bb19bc65eed3cd2edeb97ec3101b10818086329f7c6e6431ac67dcbd8b
Formbook
a9e8c821bdf65ec3bf80857646168be279506f299cc85b44c1f87864757e6a43
Formbook
b153cca3bac87165e94ba9851a895ee316e0b9876795c1216388715a01b45674
Formbook
db0ce498e89e73428a0d1325a91da911e0b369615e4c1d22d5c8d17a8e5475f8
Formbook
+ 2'401 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/230328-qjx1psbc29/
Behaviour
Modifies Internet Explorer settings
Modifies registry class
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
Program crash
Suspicious use of SetThreadContext
Loads dropped DLL
Unpacked files
SH256 hash:
c68a4adbe3705fb04206db506a1f275fac3ad292e2fb45917ef2e1406c56c28e
MD5 hash:
fac7829d741bf3358a161c7c96ae064f
SHA1 hash:
7b5636dc6c53bd1ebeb21f73b92a1c5e7c8fde7e
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/552f514d-4efa-4ceb-9f5c-42e52b82c73f/
Parent samples :
a9e8c821bdf65ec3bf80857646168be279506f299cc85b44c1f87864757e6a43
1b442bbacbc971f64a3bde3b15e0f287d032f6ed75c66dc2555874645aeb4dc3
d5c9eb88e84d396ab177225746e25d5a0ea92424e2225371145c2ccddff01934
SH256 hash:
76fdb5053adf81d54f6009f9b84cb4146dd5346d41283e18cb9a85145b3c4fac
MD5 hash:
4e823a7b122cd78b26cad3f2d50ac355
SHA1 hash:
94ddd5122173324004dad9ca62b90c73017205bf
Link:
https://www.unpac.me/results/552f514d-4efa-4ceb-9f5c-42e52b82c73f/
SH256 hash:
aadd51f39217a96b0a79163008dd1229ade56dca12d411c8a0e214b573fe2718
MD5 hash:
f82eaaf1ce6760cac6458440561257d7
SHA1 hash:
d0a95437c9dfff1bd639fa6f7ee8bcb282f898e3
Link:
https://www.unpac.me/results/552f514d-4efa-4ceb-9f5c-42e52b82c73f/
SH256 hash:
89b0b00ee76e74a6d25b588ac48532b4e00becccbdd1e381675309a4b2d3cc2d
MD5 hash:
c81f2603128d981bb2e3e87ac4edef65
SHA1 hash:
a350aa77c9a3213459a92d0cb82625382a738a24
Link:
https://www.unpac.me/results/552f514d-4efa-4ceb-9f5c-42e52b82c73f/
SH256 hash:
d06df7395d561e198f9b7c5481567116ff2e4c2e84437c018d2a2c8ea6c4ca37
MD5 hash:
0fb6061f7d37424fb9e6d0e76b019c19
SHA1 hash:
98a64bf7b459f032d6ec5793003bf61b5ae1dd74
Link:
https://www.unpac.me/results/552f514d-4efa-4ceb-9f5c-42e52b82c73f/
Parent samples :
495607b1aef01bf7dfb64b5cb16a8fc0f161c2923627d71c69de97328f8eca3f
2434aa78b46a3afc98fa6e888c3eb56278ba52b0ff800e7e875af9c2e7f9011a
SH256 hash:
c82e6545385acc9423ea45c6bbea5f386bf3a17a37648815c9708086543b4d95
MD5 hash:
d19c4a489ce2454980518aec55b3dc63
SHA1 hash:
6f0934e8ca53814425efa81261e80cf658a3048e
Link:
https://www.unpac.me/results/552f514d-4efa-4ceb-9f5c-42e52b82c73f/
SH256 hash:
1b442bbacbc971f64a3bde3b15e0f287d032f6ed75c66dc2555874645aeb4dc3
MD5 hash:
77540845546df7115262b7f8a9558ffd
SHA1 hash:
d477c902d5ef16212e9f428f9d74e73fb5d69b48
Link:
https://www.unpac.me/results/552f514d-4efa-4ceb-9f5c-42e52b82c73f/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1b442bbacbc9/report/overview.html
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/1b442bbacbc971f64a3bde3b15e0f287d032f6ed75c66dc2555874645aeb4dc3

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:MALWARE_Win_zgRAT
Create hunting rule
Author:ditekSHen
Description:Detects zgRAT
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 1b442bbacbc971f64a3bde3b15e0f287d032f6ed75c66dc2555874645aeb4dc3

(this sample)

  
Dropped by
Formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/378174/

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