MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 83f6940a0fadd38a9a73e859f46173631822ee985037994c6c55b328721d76bf. 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: 12


Intelligence 12 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 83f6940a0fadd38a9a73e859f46173631822ee985037994c6c55b328721d76bf
SHA3-384 hash: b819dfcfe9355cb3c19c72a462b4bc5112f0c804f5eba5dd59bb90758a423d5d0b711bc06385a44e49d8d98338bb7ee9
SHA1 hash: 78d9a276af2fd7c644cf8e5f34e40e5ac00239ac
MD5 hash: 229868950578133b4823850a97097119
humanhash: bacon-texas-zebra-alpha
File name:muma.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'064'960 bytes
First seen:2022-01-11 02:43:30 UTC
Last seen:2022-01-11 04:46:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 73bd01ba16664ef98e493e67bb6c3113 (2 x DBatLoader, 1 x BitRAT, 1 x AveMariaRAT)
ssdeep 12288:UlNAmkC8ExB0Rnq0BMYztQ/3/nAxcNE+v0NpXAAAAAAAAAAAAAAAJAAFEAAAAAAF:o6mAExmRFMYSPnOcNE+99TJ+fyAB5
TLSH T11235E4905478D4DFF3A38336FC10B178B5A6EAC8758690063193EBB86937385286DB5F
File icon (PE):PE icon
dhash icon 48958834524ae410 (6 x RemcosRAT, 4 x DBatLoader, 3 x AveMariaRAT)
Reporter Anonymous
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
175
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
1~
Verdict:
Malicious activity
Analysis date:
2022-01-11 02:05:52 UTC
Tags:
installer trojan formbook stealer
Link:
https://app.any.run/tasks/a168abb4-445e-4b1f-8ea1-fd82193cce30

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/218087/
Detection(s):
SecuriteInfo.com.Trojan.Siggen16.30342.20183.15834.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
DNS request
Sending a custom TCP request
Creating a file
Launching a process
Launching cmd.exe command interpreter
Sending an HTTP GET request
Searching for synchronization primitives
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control.exe fareit keylogger
Link:
https://www.filescan.io/uploads/61dceef91c0d769df9e0162e/reports/9c6eb7df-2b56-4fcc-8046-b44c5c79c13c/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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/74b99855-d9f0-45ce-9855-bfb3a4164b6b
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/918034
Signature
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Creates a thread in another existing process (thread injection)
Found malware configuration
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 (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 550512 Sample: muma.exe Startdate: 11/01/2022 Architecture: WINDOWS Score: 100 46 www.gstfranchisecenter.com 2->46 48 gstfranchisecenter.com 2->48 50 www.unitedstatesarmyfieldband.com 2->50 86 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->86 88 Found malware configuration 2->88 90 Malicious sample detected (through community Yara rule) 2->90 92 3 other signatures 2->92 11 muma.exe 1 17 2->11         started        signatures3 process4 dnsIp5 68 cdn.discordapp.com 162.159.129.233, 443, 49744, 49745 CLOUDFLARENETUS United States 11->68 42 C:\Users\user\Contacts\Sbskptynbb.exe, PE32 11->42 dropped 44 C:\Users\...\Sbskptynbb.exe:Zone.Identifier, ASCII 11->44 dropped 112 Writes to foreign memory regions 11->112 114 Allocates memory in foreign processes 11->114 116 Creates a thread in another existing process (thread injection) 11->116 118 Injects a PE file into a foreign processes 11->118 16 logagent.exe 11->16         started        file6 signatures7 process8 signatures9 70 Modifies the context of a thread in another process (thread injection) 16->70 72 Maps a DLL or memory area into another process 16->72 74 Sample uses process hollowing technique 16->74 76 2 other signatures 16->76 19 explorer.exe 2 16->19 injected 23 control.exe 16->23         started        process10 dnsIp11 52 www.imagepixo.com 103.224.212.222, 49817, 49821, 80 TRELLIAN-AS-APTrellianPtyLimitedAU Australia 19->52 54 www.jdmnn.com 107.163.176.11, 49820, 80 TAKE2US United States 19->54 56 4 other IPs or domains 19->56 94 System process connects to network (likely due to code injection or exploit) 19->94 25 Sbskptynbb.exe 13 19->25         started        29 Sbskptynbb.exe 13 19->29         started        31 chkdsk.exe 19->31         started        96 Tries to detect virtualization through RDTSC time measurements 23->96 signatures12 process13 dnsIp14 58 162.159.135.233, 443, 49748 CLOUDFLARENETUS United States 25->58 60 192.168.2.1 unknown unknown 25->60 62 cdn.discordapp.com 25->62 98 Multi AV Scanner detection for dropped file 25->98 100 Writes to foreign memory regions 25->100 102 Creates a thread in another existing process (thread injection) 25->102 33 logagent.exe 25->33         started        64 162.159.133.233, 443, 49749 CLOUDFLARENETUS United States 29->64 66 cdn.discordapp.com 29->66 104 Injects a PE file into a foreign processes 29->104 36 DpiScaling.exe 29->36         started        106 Modifies the context of a thread in another process (thread injection) 31->106 108 Maps a DLL or memory area into another process 31->108 110 Tries to detect virtualization through RDTSC time measurements 31->110 38 cmd.exe 1 31->38         started        signatures15 process16 signatures17 78 Modifies the context of a thread in another process (thread injection) 33->78 80 Maps a DLL or memory area into another process 33->80 82 Sample uses process hollowing technique 33->82 84 Tries to detect virtualization through RDTSC time measurements 36->84 40 conhost.exe 38->40         started        process18
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/83f6940a0fadd38a9a73e859f46173631822ee985037994c6c55b328721d76bf/
Threat name:
Win32.Infostealer.Fareit
Create hunting rule
Status:
Malicious
First seen:
2022-01-10 20:56:09 UTC
File Type:
PE (Exe)
Extracted files:
46
AV detection:
17 of 28 (60.71%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qp3jicqpvxjyvgtt5bm7iyltmmmcf3uyka3zstdmkwzsq4q5o27q._file
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:gqvv loader persistence rat suricata
Link:
https://tria.ge/reports/220111-c77m6afbfq/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Blocklisted process makes network request
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
5852f167948b3cf3fcd175ed0acc3cd43456ab0aecae4ac68121bde1906bcf39
MD5 hash:
bb66163c0a181098d801f3d6b775f73f
SHA1 hash:
fe4adcf4bf6146cac5b4eb192c99fc0cebba323b
Detections:
win_dbatloader_w0
Create hunting rule
Link:
https://www.unpac.me/results/306d20cd-1c20-4b32-91ea-9b4c39b8dc12/
Parent samples :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 hash:
83f6940a0fadd38a9a73e859f46173631822ee985037994c6c55b328721d76bf
MD5 hash:
229868950578133b4823850a97097119
SHA1 hash:
78d9a276af2fd7c644cf8e5f34e40e5ac00239ac
Link:
https://www.unpac.me/results/306d20cd-1c20-4b32-91ea-9b4c39b8dc12/
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/83f6940a0fadd38a9a73e859f46173631822ee985037994c6c55b328721d76bf

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/218087/

Comments