MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fca144f13d2819b16b527620ba2e1d844a41b3b91057b869751ff004ac6d9d3c. 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: 15


Intelligence 15 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fca144f13d2819b16b527620ba2e1d844a41b3b91057b869751ff004ac6d9d3c
SHA3-384 hash: f7aff925a1fdfbb072b7fe35d7cbcf8b5fdffe539d9691c5cb52c0dfcc67e3b6142e85715af72edb87bc2602a0882a11
SHA1 hash: a85528df35739b3558bc831350acf7d3bb5e8d96
MD5 hash: 08f54f6557cd4629a7e866cbefb1d5e6
humanhash: golf-illinois-nebraska-zebra
File name:Uevsumfxudvvsf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'048'064 bytes
First seen:2023-05-30 00:50:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 17581eeef5c5b8e0637670877fe87bb4 (2 x ModiLoader, 2 x Formbook, 1 x RemcosRAT)
ssdeep 12288:jRmIcCn67ZSgSZcKqe5aITzOFjHYsHlTs6EJqdvcFsymAkm4crYFyT:jR8zS0GTzA48InMvamcrYk
Threatray 2'914 similar samples on MalwareBazaar
TLSH T13C259E1263B2487FE25B2D358C9BD359592ABE102939944A77F27D8C8E363413C39ED3
TrID 84.0% (.EXE) Win32 Executable Borland Delphi 6 (262638/61)
4.5% (.EXE) Win32 Executable Delphi generic (14182/79/4)
4.1% (.SCR) Windows screen saver (13097/50/3)
3.1% (.EXE) DOS Borland compiled Executable (generic) (10000/1/2)
1.4% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 79d0b2b69696b2b0 (4 x Formbook, 2 x ModiLoader, 1 x RemcosRAT)
Reporter koluke
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
267
Origin country :
JP JP
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Uevsumfxudvvsf.exe
Verdict:
Malicious activity
Analysis date:
2023-05-30 00:53:34 UTC
Tags:
dbatloader stealer
Link:
https://app.any.run/tasks/3c25c528-20da-44b7-bf27-d3dd30bf8f76

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/393234/
Detection(s):
SecuriteInfo.com.Variant.Barys.432110.13675.20281.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
Searching for synchronization primitives
DNS request
Sending an HTTP GET request
Sending a custom TCP request
Creating a file
Creating a process from a recently created file
Launching a process
Reading critical registry keys
Creating a file in the %temp% directory
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Stealing user critical data
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/88588/overview
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware keylogger lolbin overlay packed
Link:
https://www.filescan.io/uploads/647548776407f39ba8ada542/reports/0e91cb37-cef0-4990-93ed-19d75e1dceb8/overview
Verdict:
Malicious
Labled as:
Barys.Generic
Link:
https://www.hybrid-analysis.com/sample/fca144f13d2819b16b527620ba2e1d844a41b3b91057b869751ff004ac6d9d3c
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:
Dbatloader
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/81727871-2763-4112-a26c-490cb5ea816d
Result
Threat name:
DBatLoader, FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1244782
Signature
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates a thread in another existing process (thread injection)
Drops PE files with a suspicious file extension
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Injects a PE file into a foreign processes
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
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 DBatLoader
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 877788 Sample: Uevsumfxudvvsf.exe Startdate: 30/05/2023 Architecture: WINDOWS Score: 100 66 Snort IDS alert for network traffic 2->66 68 Found malware configuration 2->68 70 Malicious sample detected (through community Yara rule) 2->70 72 6 other signatures 2->72 9 Uevsumfxudvvsf.exe 1 4 2->9         started        process3 dnsIp4 60 web.fe.1drv.com 9->60 62 ph-files.fe.1drv.com 9->62 64 2 other IPs or domains 9->64 36 C:\Users\Public\Libraries\xfmusveU.pif, PE32 9->36 dropped 38 C:\Users\Public\Libraries\Uevsumfx.exe, PE32 9->38 dropped 40 C:\Users\...\Uevsumfx.exe:Zone.Identifier, ASCII 9->40 dropped 94 Drops PE files with a suspicious file extension 9->94 96 Writes to foreign memory regions 9->96 98 Allocates memory in foreign processes 9->98 100 2 other signatures 9->100 14 xfmusveU.pif 9->14         started        file5 signatures6 process7 signatures8 102 Modifies the context of a thread in another process (thread injection) 14->102 104 Maps a DLL or memory area into another process 14->104 106 Sample uses process hollowing technique 14->106 108 Queues an APC in another process (thread injection) 14->108 17 explorer.exe 7 7 14->17 injected process9 dnsIp10 42 24worldmarket.com 92.204.213.186, 49705, 49706, 49707 VELIANET-ASvelianetInternetdiensteGmbHDE Germany 17->42 44 www.xn--d1acnfnmta.xn--p1ai 109.70.26.37, 49717, 49718, 80 RU-CENTERRU Russian Federation 17->44 46 8 other IPs or domains 17->46 74 System process connects to network (likely due to code injection or exploit) 17->74 21 Uevsumfx.exe 17->21         started        25 Uevsumfx.exe 17->25         started        27 cscript.exe 13 17->27         started        29 explorer.exe 17->29         started        signatures11 process12 dnsIp13 48 web.fe.1drv.com 21->48 50 ph-files.fe.1drv.com 21->50 56 2 other IPs or domains 21->56 76 Multi AV Scanner detection for dropped file 21->76 78 Writes to foreign memory regions 21->78 80 Allocates memory in foreign processes 21->80 31 xfmusveU.pif 21->31         started        52 web.fe.1drv.com 25->52 54 ph-files.fe.1drv.com 25->54 58 2 other IPs or domains 25->58 82 Creates a thread in another existing process (thread injection) 25->82 84 Injects a PE file into a foreign processes 25->84 34 xfmusveU.pif 25->34         started        86 Tries to steal Mail credentials (via file / registry access) 27->86 88 Tries to harvest and steal browser information (history, passwords, etc) 27->88 90 Modifies the context of a thread in another process (thread injection) 27->90 92 Maps a DLL or memory area into another process 27->92 signatures14 process15 signatures16 110 Modifies the context of a thread in another process (thread injection) 31->110 112 Maps a DLL or memory area into another process 31->112 114 Sample uses process hollowing technique 31->114
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fca144f13d2819b16b527620ba2e1d844a41b3b91057b869751ff004ac6d9d3c/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2023-05-29 13:38:52 UTC
File Type:
PE (Exe)
Extracted files:
47
AV detection:
25 of 37 (67.57%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=7squj4j5fam3c22soyqlulq5qrfedm5zcbl3q2lvd7yajldntu6a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
02033ee5f18dc5c14cca3e808111693ff1b41d8d705268ae55e86251fe6bcc8b
Formbook
6362e9238ae682805b33d2503122e845994d69e1eb51f981cde99b04572cc85c
Formbook
7a91a1cbaa20e78c0e6814b51ed7d239074c95dd348159817e16606a6a04f344
Formbook
a7a6e2c9ad03dd090858ddc054751485681b77bd24397ad8e87218faa940f4a8
Formbook
b66f2c624df063159e9134b0369556142a3ad98b14fed1a6d9217ecd55fb3b6f
Formbook
eb66ae0428282ee90ca78a2f0d37e322cc682bd9dccb9c7e50bf53da117fd0a4
Formbook
+ 2'904 additional samples on MalwareBazaar
Result
Malware family:
modiloader
Create hunting rule
Score:
  10/10
Tags:
family:modiloader persistence trojan
Link:
https://tria.ge/reports/230530-a7g2dsef5t/
Behaviour
Modifies Internet Explorer settings
Script User-Agent
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
ModiLoader Second Stage
ModiLoader, DBatLoader
Unpacked files
SH256 hash:
4a0438a26b854c79af676e0e88fe8749107f699d31da6ada12093c8219a30198
MD5 hash:
fbeb53808a3b10771be807a5c22cdddd
SHA1 hash:
ab475a529004d482abbd12f1ce0d4d09a0f531a1
Detections:
win_dbatloader_g1
Create hunting rule
Link:
https://www.unpac.me/results/0e120540-0ea3-484e-b5eb-fefc3ddb9934/
SH256 hash:
fca144f13d2819b16b527620ba2e1d844a41b3b91057b869751ff004ac6d9d3c
MD5 hash:
08f54f6557cd4629a7e866cbefb1d5e6
SHA1 hash:
a85528df35739b3558bc831350acf7d3bb5e8d96
Detections:
DbatLoaderStage1
Create hunting rule
Link:
https://www.unpac.me/results/0e120540-0ea3-484e-b5eb-fefc3ddb9934/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/fca144f13d28/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.47
Link:
https://yomi.yoroi.company/submissions/fca144f13d2819b16b527620ba2e1d844a41b3b91057b869751ff004ac6d9d3c

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:CMD_Ping_Localhost
Create hunting rule
Rule name:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
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.

Malspam

Formbook

Executable exe fca144f13d2819b16b527620ba2e1d844a41b3b91057b869751ff004ac6d9d3c

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/393234/

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