MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0a28c4d5ff0863f5fdeef6fcf18c0a568446e87be935e7989f8bdab09b810ac8. 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: 0a28c4d5ff0863f5fdeef6fcf18c0a568446e87be935e7989f8bdab09b810ac8
SHA3-384 hash: e6f518c1593e8aef3e2cc3b1cf1c600cb1e0001269b1d5972c4de47fe66805091b924ad2ce6e2a47f35518687a3440a5
SHA1 hash: 0330365876075b5226b198fdd403c9c749a7b015
MD5 hash: 1003e2da390fbd54f7bba2d2670ef2c2
humanhash: gee-east-west-oranges
File name:RFQ.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'133'164 bytes
First seen:2022-11-14 13:38:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash fcf1390e9ce472c7270447fc5c61a0c1 (863 x DCRat, 118 x NanoCore, 94 x njrat)
ssdeep 24576:9AOcZX0+5pxZ8JZBkkmq0NfKLu9wSktRiUjeks:Hn+cxf0NfKLabktRPje
TLSH T1F3351242B7C289B1C5732631592973197E7DBD202F28D71FA398799DEE711C02620BB7
TrID 91.0% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
3.6% (.EXE) Win64 Executable (generic) (10523/12/4)
1.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.5% (.EXE) Win32 Executable (generic) (4505/5/1)
0.6% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon e0e09e9f8383f07e (2 x Formbook)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
201
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
RFQ.exe
Verdict:
Malicious activity
Analysis date:
2022-11-14 13:39:50 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/9bb93ba3-95f2-4fea-b284-97e2982ce02c

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/333774/
Detection(s):
SecuriteInfo.com.Gen.Variant.Johnnie.221809.751.14920.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the %temp% subdirectories
Enabling the 'hidden' option for files in the %temp% directory
Creating a process from a recently created file
Creating a file
Launching a process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/637244f707c3f5e84a011314/reports/4c93822d-c338-4cc5-8b7f-4b4e48d3bade/overview
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:
Suspicious
Link:
https://analyze.intezer.com/analyses/6ae1de4c-0938-4180-b4e0-8d62ccb65f04
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1112904
Signature
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
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 submitted file
Performs DNS queries to domains with low reputation
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 AntiVM autoit script
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 745600 Sample: RFQ.exe Startdate: 14/11/2022 Architecture: WINDOWS Score: 100 56 Snort IDS alert for network traffic 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 Antivirus detection for URL or domain 2->60 62 4 other signatures 2->62 12 RFQ.exe 3 72 2->12         started        process3 file4 40 C:\Users\user\AppData\...\mrmpmvjngi.exe, PE32 12->40 dropped 15 wscript.exe 1 12->15         started        process5 process6 17 mrmpmvjngi.exe 1 2 15->17         started        signatures7 48 Contains functionality to inject code into remote processes 17->48 50 Writes to foreign memory regions 17->50 52 Allocates memory in foreign processes 17->52 54 2 other signatures 17->54 20 RegSvcs.exe 17->20         started        23 RegSvcs.exe 17->23         started        process8 signatures9 64 Modifies the context of a thread in another process (thread injection) 20->64 66 Maps a DLL or memory area into another process 20->66 68 Sample uses process hollowing technique 20->68 70 Queues an APC in another process (thread injection) 20->70 25 explorer.exe 20->25 injected process10 dnsIp11 42 hd9bit31wavsc5t.live 216.18.208.202, 49706, 49707, 80 WEBNXUS United States 25->42 44 www.nexhunt.info 199.192.23.224, 49704, 49705, 80 NAMECHEAP-NETUS United States 25->44 46 11 other IPs or domains 25->46 72 System process connects to network (likely due to code injection or exploit) 25->72 74 Performs DNS queries to domains with low reputation 25->74 29 rundll32.exe 13 25->29         started        32 mrmpmvjngi.exe 1 25->32         started        signatures12 process13 signatures14 76 Tries to steal Mail credentials (via file / registry access) 29->76 78 Tries to harvest and steal browser information (history, passwords, etc) 29->78 80 Modifies the context of a thread in another process (thread injection) 29->80 82 Maps a DLL or memory area into another process 29->82 84 Writes to foreign memory regions 32->84 86 Sample uses process hollowing technique 32->86 34 RegSvcs.exe 32->34         started        36 RegSvcs.exe 32->36         started        process15 process16 38 WerFault.exe 34->38         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/0a28c4d5ff0863f5fdeef6fcf18c0a568446e87be935e7989f8bdab09b810ac8/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2022-11-10 07:54:26 UTC
File Type:
PE (Exe)
Extracted files:
78
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=biumjvp7bbr7l7po636pddakk2cen2d35e26pge7rpnlbg4bblea._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:fiun persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/221114-qxyt6abh53/
Behaviour
Enumerates system info in registry
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Blocklisted process makes network request
Executes dropped EXE
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/bfb09238-562c-48f7-93e6-a9efb386707a
Unpacked files
SH256 hash:
8f3c88f7e0da07aea63708ab1c990dc4bca0df2935faca04d0223db3abc6e48c
MD5 hash:
983b11d1719fc67e63f1d3aa76f9e0d6
SHA1 hash:
83147d9e643e4216c033424e4ef6a81446fdd75c
Detections:
XLoader
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/7bb2729c-6ba2-448f-aaa3-ad93d4026c57/
Parent samples :
623d9a74747fe5ff5e72eb70d6ba2d2906eab55b5db50d796728e6d7ab492c79
0a28c4d5ff0863f5fdeef6fcf18c0a568446e87be935e7989f8bdab09b810ac8
SH256 hash:
b1c6ba411aaecc7500c92e6abd17fc0c58efec698b2997404a1225cf73235db3
MD5 hash:
d0553bcf4c1101198ce6969d7cc1dfcf
SHA1 hash:
8291c63fd27c2e3a1dcf0deb96aea2af0d515410
Link:
https://www.unpac.me/results/7bb2729c-6ba2-448f-aaa3-ad93d4026c57/
SH256 hash:
4a6cbfc95225f217f07b06ac14cfe08163784a69c7f774f1697250556c87403d
MD5 hash:
9ac13067bcdd7d2aae8861d6841f7d9a
SHA1 hash:
73164232b9fa2cb2aae63a07de456b1f1b9dc97a
Link:
https://www.unpac.me/results/7bb2729c-6ba2-448f-aaa3-ad93d4026c57/
SH256 hash:
0a28c4d5ff0863f5fdeef6fcf18c0a568446e87be935e7989f8bdab09b810ac8
MD5 hash:
1003e2da390fbd54f7bba2d2670ef2c2
SHA1 hash:
0330365876075b5226b198fdd403c9c749a7b015
Link:
https://www.unpac.me/results/7bb2729c-6ba2-448f-aaa3-ad93d4026c57/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/0a28c4d5ff08/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/0a28c4d5ff0863f5fdeef6fcf18c0a568446e87be935e7989f8bdab09b810ac8

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:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
Rule name:sfx_pdb
Create hunting rule
Author:@razvialex
Description:Detect interesting files containing sfx with pdb paths.
Rule name:sfx_pdb_winrar_restrict
Create hunting rule
Author:@razvialex
Description:Detect interesting files containing sfx with pdb paths.

File information

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

Malspam

Formbook

Executable exe 0a28c4d5ff0863f5fdeef6fcf18c0a568446e87be935e7989f8bdab09b810ac8

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/333774/

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