MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dee29915a45463d25c7f4de2abac14269137c359f848baf8ad4205fb07e2fa0b. 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
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SHA256 hash: dee29915a45463d25c7f4de2abac14269137c359f848baf8ad4205fb07e2fa0b
SHA3-384 hash: 53c2ba2cf8098a28502012ea2a404d07874d0d7fa5641738d8d61d9d11ba6a35a2f698af5241cef33edb05627040ec14
SHA1 hash: 172685254376d9de55a042fd25d8a53d782ad0b3
MD5 hash: 1f7e51fdcf2a031ea1cbaa4d38029c7c
humanhash: washington-river-solar-angel
File name:rockkkk364531.exe
Download: download sample
Signature Formbook
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File size:300'755 bytes
First seen:2022-02-11 12:46:38 UTC
Last seen:2022-02-11 13:53:08 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 099c0646ea7282d232219f8807883be0 (476 x Formbook, 210 x Loki, 107 x AgentTesla)
ssdeep 6144:owpDkHkUZj+Kepohujf98CXTVKGNiA3+d9NuzYlRGMmYnqu:1D6iKepkujfhjVdN3+xu4RGNju
Threatray 13'425 similar samples on MalwareBazaar
TLSH T139541368A1C4AEAFE08B1F729077DF7BEAFE97122761100F5B948F1728711C2E5069C5
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
240
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/240925/
Detection(s):
SecuriteInfo.com.FakeAV.CXA.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
DNS request
Setting browser functions hooks
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control.exe overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/62065acb54047500bb404f8e/reports/d9ec229f-c923-4c92-8e3c-ab1f2647045b/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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6e6af34c-ea54-452f-aeae-6dcd17452c32
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/938286
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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
Uses ipconfig to lookup or modify the Windows network settings
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 570760 Sample: rockkkk364531.exe Startdate: 11/02/2022 Architecture: WINDOWS Score: 100 49 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->49 51 Found malware configuration 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 5 other signatures 2->55 11 rockkkk364531.exe 19 2->11         started        process3 file4 31 C:\Users\user\AppData\Local\...\dpejngag.exe, PE32 11->31 dropped 33 C:\Users\user\AppData\...\srz42wxo2bthda, DOS 11->33 dropped 14 dpejngag.exe 11->14         started        process5 signatures6 69 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 14->69 71 Tries to detect virtualization through RDTSC time measurements 14->71 73 Injects a PE file into a foreign processes 14->73 17 dpejngag.exe 14->17         started        process7 signatures8 41 Modifies the context of a thread in another process (thread injection) 17->41 43 Maps a DLL or memory area into another process 17->43 45 Sample uses process hollowing technique 17->45 47 Queues an APC in another process (thread injection) 17->47 20 explorer.exe 17->20 injected process9 dnsIp10 35 apparessenza.com 185.114.108.21, 49808, 80 MYLOC-ASIPBackboneofmyLocmanagedITAGDE Italy 20->35 37 www.isstuplennobuyno.xyz 20->37 39 4 other IPs or domains 20->39 57 System process connects to network (likely due to code injection or exploit) 20->57 59 Performs DNS queries to domains with low reputation 20->59 61 Uses ipconfig to lookup or modify the Windows network settings 20->61 24 ipconfig.exe 20->24         started        signatures11 process12 signatures13 63 Modifies the context of a thread in another process (thread injection) 24->63 65 Maps a DLL or memory area into another process 24->65 67 Tries to detect virtualization through RDTSC time measurements 24->67 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/dee29915a45463d25c7f4de2abac14269137c359f848baf8ad4205fb07e2fa0b/
Threat name:
Win32.Trojan.FormBook
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Status:
Malicious
First seen:
2022-02-11 11:16:40 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=33rjsfnekrr5exd7jxrkxlaue2itpq2z7belv6fniic7wb7c7ifq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
87cca4e4ba65094241bbb379ca3677932f6e399ece811334a07a72ff5b3073f8
Formbook
d0ce91945a10abde8e7569759e78430c80fb8fa42589dfaccf565cf6895f8846
Formbook
d5f77ba2b2ad58cfad5ae3111994ad0f889967e6d4f67ecb9cedf1b8f10a6149
Formbook
e08593ebcd4ac9265c1f27d987a67f43b2c8a9e9c680e9d47901281a4c5878dd
Formbook
e149c419c1e3da9f42da46d4ba594ec7b97fc9a333bea11d1693b6750edf603b
Formbook
f556af7cd24cc02eba24924d19c42966a1a98b84dfabd78c523c55f492d54acd
Formbook
f61f02c5be2ef5988f474ffc148b099942ab8582cd4aac8b3c991436f6230592
Formbook
+ 13'415 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:rv12 rat spyware stealer trojan
Link:
https://tria.ge/reports/220211-pz7peacff3/
Behaviour
Checks processor information in registry
Modifies data under HKEY_USERS
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
Drops file in Windows directory
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Formbook Payload
Formbook
Unpacked files
SH256 hash:
8943d2552cdcfcd659216c9093c27ac0a21ed9d7eab2dfcab4f207562d285a46
MD5 hash:
d5c2be6daa3b3188c227a1ba628e02ee
SHA1 hash:
d3143b6876ac3367e80fddd94a26e823cec46a9e
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/5ae70e6f-f38c-448a-a6b0-19f5936d85e3/
Parent samples :
e17e24eae0c7819220261747208d47aa163bbc219664b6b40e3447d74ff7270b
dee29915a45463d25c7f4de2abac14269137c359f848baf8ad4205fb07e2fa0b
SH256 hash:
5636f56105033ce93f501a7af7759c281fd08835fa69e178e177864603720b0c
MD5 hash:
bc9de12bae93a902f3e81d9f7f10ddd5
SHA1 hash:
3182ed1c1362f7d33a42ef561b0b278ea7f02ca9
Link:
https://www.unpac.me/results/5ae70e6f-f38c-448a-a6b0-19f5936d85e3/
SH256 hash:
dee29915a45463d25c7f4de2abac14269137c359f848baf8ad4205fb07e2fa0b
MD5 hash:
1f7e51fdcf2a031ea1cbaa4d38029c7c
SHA1 hash:
172685254376d9de55a042fd25d8a53d782ad0b3
Link:
https://www.unpac.me/results/5ae70e6f-f38c-448a-a6b0-19f5936d85e3/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/dee29915a454/report/overview.html
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:exec_macros
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Author:ddvvmmzz
Description:exec macros

File information

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

Malspam

Formbook

Executable exe dee29915a45463d25c7f4de2abac14269137c359f848baf8ad4205fb07e2fa0b

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/240925/

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