MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 75b2135da8f94b2601c6758aba7bfba10907e85ec7d98852b74442c21d8b3b16. 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: 17


Intelligence 17 IOCs YARA 1 File information Comments

SHA256 hash: 75b2135da8f94b2601c6758aba7bfba10907e85ec7d98852b74442c21d8b3b16
SHA3-384 hash: ea7fe3f1d263f7e0bef828e318b005c40373c8d77e8c9dba7a6d659e0c6a6e4b4104bebf05d0372cb8c8f2c69454cc22
SHA1 hash: 5ce77c261326d122b73141dc7140a7692da19f02
MD5 hash: 6f7c2673c4d73c3f16fd701e0c8df69a
humanhash: quebec-oklahoma-london-six
File name:Attached sheet no.77110016588.exe
Download: download sample
Signature Formbook
File size:277'160 bytes
First seen:2022-04-14 08:37:47 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 3abe302b6d9a1256e6a915429af4ffd2 (271 x GuLoader, 38 x Formbook, 25 x Loki)
ssdeep 6144:zjgv7sS97Haa79R7w6m4OcZ6NTgXPnqop+8G5J/AF3dj:ovAS976aR7w6mK/qSaoFtj
Threatray 15'107 similar samples on MalwareBazaar
TLSH T1894412B225D6E4FFD4E74A311BBB9BB1D6B34B54045248C74F21BFFEBE220825525182
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.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 pr0xylife
Tags:exe FormBook xloader

Intelligence


File Origin
# of uploads :
1
# of downloads :
320
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Attached sheet no.77110016588.exe
Verdict:
Malicious activity
Analysis date:
2022-04-14 08:56:15 UTC
Tags:
formbook trojan stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Searching for synchronization primitives
DNS request
Sending an HTTP GET request
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control.exe overlay packed shell32.dll
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
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 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
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 609168 Sample: Attached sheet no.77110016588.exe Startdate: 14/04/2022 Architecture: WINDOWS Score: 100 38 www.marketmakerstv.com 2->38 40 www.dumpmen.sbs 2->40 42 7 other IPs or domains 2->42 58 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->58 60 Found malware configuration 2->60 62 Malicious sample detected (through community Yara rule) 2->62 64 4 other signatures 2->64 12 Attached sheet no.77110016588.exe 18 2->12         started        signatures3 process4 file5 36 C:\Users\user\AppData\Local\...\ywbntsfdc.exe, PE32 12->36 dropped 15 ywbntsfdc.exe 1 12->15         started        process6 signatures7 72 Multi AV Scanner detection for dropped file 15->72 74 Tries to detect virtualization through RDTSC time measurements 15->74 18 ywbntsfdc.exe 15->18         started        21 conhost.exe 15->21         started        process8 signatures9 50 Modifies the context of a thread in another process (thread injection) 18->50 52 Maps a DLL or memory area into another process 18->52 54 Sample uses process hollowing technique 18->54 56 Queues an APC in another process (thread injection) 18->56 23 explorer.exe 18->23 injected process10 dnsIp11 44 www.scan-tip.com 144.217.153.176, 49827, 80 OVHFR Canada 23->44 46 www.portailservices.com 51.83.55.150, 49826, 80 OVHFR France 23->46 48 7 other IPs or domains 23->48 66 System process connects to network (likely due to code injection or exploit) 23->66 27 msiexec.exe 23->27         started        signatures12 process13 signatures14 68 Modifies the context of a thread in another process (thread injection) 27->68 70 Maps a DLL or memory area into another process 27->70 30 cmd.exe 1 27->30         started        32 BackgroundTransferHost.exe 13 27->32         started        process15 process16 34 conhost.exe 30->34         started       
Threat name:
Win32.Trojan.NSISInject
Status:
Malicious
First seen:
2022-04-14 07:14:35 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:afj0 loader rat suricata
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
5137e1c47fb295f39c54e2ab6d7554ff8feabc10fa65b145a958039fa7134ac6
MD5 hash:
551a118995390606b2cacf70f67df076
SHA1 hash:
36d727d09b83fc0e99aeb4ed27089627d59b1ccc
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
14fca598cc59bba0b0ae458dd383bcd326ee062ca16c59f11e312fd6975afc33
MD5 hash:
7036c017628251e694ddbebdef5dc3ab
SHA1 hash:
c57840a0cde516cf7ad2a71312294af77e75c69d
SH256 hash:
75b2135da8f94b2601c6758aba7bfba10907e85ec7d98852b74442c21d8b3b16
MD5 hash:
6f7c2673c4d73c3f16fd701e0c8df69a
SHA1 hash:
5ce77c261326d122b73141dc7140a7692da19f02
Please note that we are no longer able to provide a coverage score for Virus Total.

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:Ins_NSIS_Buer_Nov_2020_1
Author:Arkbird_SOLG
Description:Detect NSIS installer used for Buer loader

File information


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

Comments