MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 59552104d4bb2bcc6518dab735dac7dbb731a988dda8b82d39fa10911e7b8ee3. 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 1 File information Comments

SHA256 hash: 59552104d4bb2bcc6518dab735dac7dbb731a988dda8b82d39fa10911e7b8ee3
SHA3-384 hash: 7da95266b4656b9311c55b74a11c87ebc5ff6ed8debe06800379e8445a671f49563e433ef917d86b0abe897ed13ae0b3
SHA1 hash: c2e97ed52203259715f51ee9844176e18ea2cbbe
MD5 hash: d382db9d903f52d9f2f7eb2c1039b824
humanhash: october-twenty-five-florida
File name:SKM_1504322RS.exe
Download: download sample
Signature Formbook
File size:196'653 bytes
First seen:2022-04-23 11:28:02 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 56a78d55f3f7af51443e58e0ce2fb5f6 (720 x GuLoader, 451 x Formbook, 295 x Loki)
ssdeep 3072:l1NjcVVnLpPunb+LUXIWURBHaznwK9l56h8bKItm8jHE0t6uCc2gVLpe/FvH/7x5:HNeZmqWURB6Eqvxbpm8DEDrcPVL81D3T
TLSH T1761412506168C833FAF76A33697B57676FF9850861E0761F83112E1E7D32182C96FB22
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 malwarelabnet
Tags:exe FormBook xloader

Intelligence


File Origin
# of uploads :
1
# of downloads :
277
Origin country :
n/a
Vendor Threat Intelligence
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
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control.exe formbook overlay packed python 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
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
Injects a PE file into a foreign processes
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
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 (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: 614337 Sample: SKM_1504322RS.exe Startdate: 23/04/2022 Architecture: WINDOWS Score: 100 36 www.wwwripostes.net 2->36 38 www.richclubsite2001.xyz 2->38 40 4 other IPs or domains 2->40 56 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->56 58 Multi AV Scanner detection for domain / URL 2->58 60 Found malware configuration 2->60 62 7 other signatures 2->62 12 SKM_1504322RS.exe 18 2->12         started        signatures3 process4 file5 34 C:\Users\user\AppData\Local\...\wiecpplnw.exe, PE32 12->34 dropped 15 wiecpplnw.exe 1 12->15         started        process6 signatures7 72 Multi AV Scanner detection for dropped file 15->72 74 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 15->74 76 Tries to detect virtualization through RDTSC time measurements 15->76 78 Injects a PE file into a foreign processes 15->78 18 wiecpplnw.exe 15->18         started        21 conhost.exe 15->21         started        process8 signatures9 48 Modifies the context of a thread in another process (thread injection) 18->48 50 Maps a DLL or memory area into another process 18->50 52 Sample uses process hollowing technique 18->52 54 Queues an APC in another process (thread injection) 18->54 23 explorer.exe 18->23 injected process10 dnsIp11 42 www.gzhf8888.com 154.12.63.218, 49753, 80 UNMETEREDCA United States 23->42 44 www.3a5hlv.icu 45.139.238.63, 49775, 80 TEAM-HOSTASRU Russian Federation 23->44 46 12 other IPs or domains 23->46 64 System process connects to network (likely due to code injection or exploit) 23->64 27 WWAHost.exe 23->27         started        signatures12 process13 signatures14 66 Modifies the context of a thread in another process (thread injection) 27->66 68 Maps a DLL or memory area into another process 27->68 70 Tries to detect virtualization through RDTSC time measurements 27->70 30 cmd.exe 1 27->30         started        process15 process16 32 conhost.exe 30->32         started       
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2022-04-20 15:31:03 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
29 of 42 (69.05%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:ahc8 loader rat suricata
Behaviour
Enumerates system info in registry
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
Loads dropped DLL
Executes dropped EXE
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
852f7e6d06eee3f482c6b2e0ddc948c57f9b6970b4e19882e026f777a686d922
MD5 hash:
73e2a848522ee8bef850a9f76b51732a
SHA1 hash:
7f2a15c92a16601334f18509a05f9147dddefad7
SH256 hash:
f1d762a2f2c8fdc58c310928742a8ca9599cde753d5c996968d27161377aa065
MD5 hash:
b18723439ee6eaded5fbf22215ec9691
SHA1 hash:
95ca65ec4137a1b3474a86c5611acd94538fe533
SH256 hash:
59552104d4bb2bcc6518dab735dac7dbb731a988dda8b82d39fa10911e7b8ee3
MD5 hash:
d382db9d903f52d9f2f7eb2c1039b824
SHA1 hash:
c2e97ed52203259715f51ee9844176e18ea2cbbe
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:myGozi

File information


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

Comments