MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 56d23db02a878b0ad4bf55573cb6ba4517004192f5ec4da49c43619925b9eaac. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 56d23db02a878b0ad4bf55573cb6ba4517004192f5ec4da49c43619925b9eaac
SHA3-384 hash: 7594c7c47d78e359753409e0acef48a3ae94224a0fa98fe07d8767aedcde0e5f4489fc2be273415bb9ecf2a10ca8ca97
SHA1 hash: 5263e9bcdb53219a801b1d89a223e716af5e5d19
MD5 hash: 43e6b8f0d23db6ec5400557e553bb387
humanhash: charlie-burger-don-yellow
File name:RFQ for GC.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:848'384 bytes
First seen:2022-08-11 15:25:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'643 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 24576:J+2oKgK1XpSmZ2ZHHCSxcAZ3BrKQHwCQgi:JaKgKrZciKcAzrlH
TLSH T12105AEAF7B9C451FCC624B31E84C91B99FA9BCA17922CCEFB9933836D53029C5619D10
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.3% (.SCR) Windows screen saver (13101/52/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
354
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
RFQ for GC.exe
Verdict:
Malicious activity
Analysis date:
2022-08-11 15:27:01 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/e0ee96e4-eb1d-468b-8f1a-bad3a1440452

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/298019/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook packed
Link:
https://www.filescan.io/uploads/62f51f5c080024921b6a34b7/reports/e812d7f6-0a2d-46a8-9ddd-ee18c1c5e1c6/overview
Result
Verdict:
UNKNOWN
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/1d90d492-4b07-4412-95bf-a2d9aabca193
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1050055
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Deletes itself after installation
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/56d23db02a878b0ad4bf55573cb6ba4517004192f5ec4da49c43619925b9eaac/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-08-11 08:46:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
79
AV detection:
22 of 40 (55.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=k3jd3mbkq6fqvvf7kvltznv2iulqaqms6xwe3je4inqzsjnz5kwa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/220811-st6rpsghap/
Behaviour
Modifies Internet Explorer settings
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
Suspicious use of SetThreadContext
Checks computer location settings
Unpacked files
SH256 hash:
6ce10d30b65cac63418339d3879111491ae54e372dde759f5bf054208772a996
MD5 hash:
730ca8085730ec0b18958b3c6b090770
SHA1 hash:
c3d7f5a7a4e0ee928c471b9b0c202aecc764d2fb
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/d9c8f7f6-344b-41bc-b603-f29e2dcb40d1/
Parent samples :
bd9dc1d877edc4b2ab86b6b558a2154f26a16207615f5b536c1d008e32795c93
a3b7e19a12b9364599488961a3fff8a906cdf3c8805efbf17c09744e4bb89ce8
b9f03efb1bd75e69ea854f15bb0bffc77d8fd67af95daca3b4b7f709ea7441da
8c6c03179e67fefa80d6958194a77f1b5198fc859151da0748217c3eff5ca38f
9cd3e493e25dfb86a8e0a80be3734072f3401e67a45e65109262fef40d40cff2
56d23db02a878b0ad4bf55573cb6ba4517004192f5ec4da49c43619925b9eaac
SH256 hash:
cbd5bcdf7b95700e3f3ae37c98ffee262a6f65b9fc35ea81cee6af526608abd0
MD5 hash:
f1e1e5a8e9d117a1fd44024408cc39da
SHA1 hash:
c695fc876b86b62039828a6614d837236c308463
Link:
https://www.unpac.me/results/d9c8f7f6-344b-41bc-b603-f29e2dcb40d1/
SH256 hash:
18eb60c0eb3e1c610526d9f4b42684ac36a2ebb521514a8770dca2f2afd7f471
MD5 hash:
7ca239778f9f46d28b08876564dba525
SHA1 hash:
973b0d0d98a83b7dfcf1bfce04a179b0f070b98c
Link:
https://www.unpac.me/results/d9c8f7f6-344b-41bc-b603-f29e2dcb40d1/
SH256 hash:
8cd60dee0eeba34ea33414877ddcdbc95ec3b58c4ad42eae951fa2e290ff7fd4
MD5 hash:
ba0f480af4f0a58a528992e84ff2bfc1
SHA1 hash:
4188f15659f9643d4eaa380662efdd319b493f3b
Link:
https://www.unpac.me/results/d9c8f7f6-344b-41bc-b603-f29e2dcb40d1/
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
Link:
https://www.unpac.me/results/d9c8f7f6-344b-41bc-b603-f29e2dcb40d1/
SH256 hash:
56d23db02a878b0ad4bf55573cb6ba4517004192f5ec4da49c43619925b9eaac
MD5 hash:
43e6b8f0d23db6ec5400557e553bb387
SHA1 hash:
5263e9bcdb53219a801b1d89a223e716af5e5d19
Link:
https://www.unpac.me/results/d9c8f7f6-344b-41bc-b603-f29e2dcb40d1/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/56d23db02a87/report/overview.html
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/56d23db02a878b0ad4bf55573cb6ba4517004192f5ec4da49c43619925b9eaac

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:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

Formbook

Executable exe 56d23db02a878b0ad4bf55573cb6ba4517004192f5ec4da49c43619925b9eaac

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/298019/

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