MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 61a3bd64ed25ff3b8481b54b9678ed5518bd53245fa43c222c6fec42b26e05cb. 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: 14


Intelligence 14 IOCs YARA File information Comments

SHA256 hash: 61a3bd64ed25ff3b8481b54b9678ed5518bd53245fa43c222c6fec42b26e05cb
SHA3-384 hash: 234becd9f32efa6b88d0e4e8273edbb9ee9178f1e18fbed593edb28001b97a3352dd516b609ccd06a59fc2899873fe55
SHA1 hash: 428926bba747eaf6ea4fcebc623d9b18f1dc36c0
MD5 hash: f3739171c8038a20c79d3b0cece077f5
humanhash: blossom-pasta-earth-zulu
File name:f3739171c8038a20c79d3b0cece077f5.exe
Download: download sample
Signature Formbook
File size:735'229 bytes
First seen:2022-11-18 22:51:12 UTC
Last seen:2022-11-19 00:51:17 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 29b61e5a552b3a9bc00953de1c93be41 (174 x Formbook, 82 x AgentTesla, 81 x Loki)
ssdeep 12288:qsVuQ2MmtRWtDB2oalfOtdo6B4M+pU3RKVSvpkPxjP9wkLz:pmtIvcOtdoG+poRKgvIZLz
TLSH T1F2F49C9274DA809EF885A37954FDD89F785CDC93E2A29A4A32337D637372C005CDAD48
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 b2f0f4f24838f4f6 (4 x Formbook)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
173
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
f3739171c8038a20c79d3b0cece077f5.exe
Verdict:
Malicious activity
Analysis date:
2022-11-18 23:06:07 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
Creating a file in the %temp% directory
Creating a process from a recently created file
Сreating synchronization primitives
Launching a process
Searching for synchronization primitives
Reading critical registry keys
DNS request
Sending an HTTP GET request
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Forced shutdown of a system process
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
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.
Malware family:
LockBit Ransomware
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in 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 domain / URL
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
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)
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 749550 Sample: 3sX2GdIp2v.exe Startdate: 18/11/2022 Architecture: WINDOWS Score: 100 41 Multi AV Scanner detection for domain / URL 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus detection for URL or domain 2->45 47 4 other signatures 2->47 8 3sX2GdIp2v.exe 18 2->8         started        process3 file4 23 C:\Users\user\AppData\Local\...\oltyhnsa.exe, PE32 8->23 dropped 11 oltyhnsa.exe 8->11         started        process5 signatures6 49 Multi AV Scanner detection for dropped file 11->49 51 Maps a DLL or memory area into another process 11->51 14 oltyhnsa.exe 11->14         started        process7 signatures8 53 Modifies the context of a thread in another process (thread injection) 14->53 55 Maps a DLL or memory area into another process 14->55 57 Sample uses process hollowing technique 14->57 59 Queues an APC in another process (thread injection) 14->59 17 WWAHost.exe 13 14->17         started        20 explorer.exe 14->20 injected process9 dnsIp10 31 Tries to steal Mail credentials (via file / registry access) 17->31 33 Tries to harvest and steal browser information (history, passwords, etc) 17->33 35 Modifies the context of a thread in another process (thread injection) 17->35 37 Maps a DLL or memory area into another process 17->37 25 www.snzbx.com 23.82.252.195, 49714, 49715, 80 LEASEWEB-USA-LAX-11US United States 20->25 27 papeleria.vip 174.136.53.218, 49712, 80 INTELLECTICA-US United States 20->27 29 2 other IPs or domains 20->29 39 System process connects to network (likely due to code injection or exploit) 20->39 signatures11
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2022-11-18 10:29:09 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
26 of 40 (65.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:dqup rat spyware stealer trojan
Behaviour
Gathers network information
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
aa4463e5c44fc71ebdfae18a6d717df05fb6cbb235263f02c37bb9bbe895ad94
MD5 hash:
d61a155aca8dce3df9d5b1968e85af58
SHA1 hash:
8924c23b21d1e0acb6295385e64da9dcd6f870a4
SH256 hash:
a0c09130f95c6f587768766826c87b35f4a18dbfe3fa14e4e8ed6fbf624c4dc4
MD5 hash:
a5aa34d7df9a3b5d17d48ecbba4e0e43
SHA1 hash:
055a83621118dbff48f5df81aefe5b7a10936314
SH256 hash:
61a3bd64ed25ff3b8481b54b9678ed5518bd53245fa43c222c6fec42b26e05cb
MD5 hash:
f3739171c8038a20c79d3b0cece077f5
SHA1 hash:
428926bba747eaf6ea4fcebc623d9b18f1dc36c0
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Web download

Formbook

Executable exe 61a3bd64ed25ff3b8481b54b9678ed5518bd53245fa43c222c6fec42b26e05cb

(this sample)

  
Delivery method
Distributed via web download

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