MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 afebe2a58337e50acfaadf900888c90195c2e50127b281d04aa3d799474ca43b. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: afebe2a58337e50acfaadf900888c90195c2e50127b281d04aa3d799474ca43b
SHA3-384 hash: 7248f9a7f5875884e8ec8e936608bd0c60b3b48c8fbc5d51babaeca158b65c4aba69c3a1229e026fd6faeeb03c889122
SHA1 hash: 019a8dfd2883884a943c30c29380a147eff96461
MD5 hash: 55e2d9b44406e28892ac92ccfb7b9168
humanhash: hamper-illinois-lemon-diet
File name:Request for quotation.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:557'568 bytes
First seen:2022-06-27 13:23:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:xCVwS7OqU3zdFdqLa88wCzqNvQC0ZWDbv7:xaU5G+8yWNvQ9ZAz
TLSH T1DFC4026A7AD7DE42C2B90633D0F1101013B3A3C75907EB6F6A8E735B09137EA89265D6
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon b2f949b1bafab8b0 (18 x AgentTesla, 17 x Loki, 17 x Formbook)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
254
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/283588/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Creating a file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
Link:
https://www.filescan.io/uploads/62b9af7878c7283518966256/reports/e2fa8e14-fc6c-40f3-9e98-e44adf582e2e/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/f1b9e0d6-4704-4c92-9912-1fba832fe75b
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1020477
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Initial sample is a PE file and has a suspicious name
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)
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 detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 652970 Sample: Request for quotation.exe Startdate: 27/06/2022 Architecture: WINDOWS Score: 100 32 Malicious sample detected (through community Yara rule) 2->32 34 Multi AV Scanner detection for submitted file 2->34 36 Yara detected AntiVM3 2->36 38 9 other signatures 2->38 10 Request for quotation.exe 3 2->10         started        process3 file4 28 C:\Users\...\Request for quotation.exe.log, ASCII 10->28 dropped 48 Injects a PE file into a foreign processes 10->48 14 Request for quotation.exe 10->14         started        signatures5 process6 signatures7 50 Modifies the context of a thread in another process (thread injection) 14->50 52 Maps a DLL or memory area into another process 14->52 54 Sample uses process hollowing technique 14->54 56 Queues an APC in another process (thread injection) 14->56 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.cambridge-tool-die.com 104.165.159.168, 49799, 80 EGIHOSTINGUS United States 17->30 40 System process connects to network (likely due to code injection or exploit) 17->40 21 colorcpl.exe 17->21         started        signatures10 process11 signatures12 42 Modifies the context of a thread in another process (thread injection) 21->42 44 Maps a DLL or memory area into another process 21->44 46 Tries to detect virtualization through RDTSC time measurements 21->46 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/afebe2a58337e50acfaadf900888c90195c2e50127b281d04aa3d799474ca43b/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-06-27 10:27:03 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=v7v6fjmdg7sqvt5k36iarcgjagk4fzibe6ziduckuplzsr2muq5q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:ir93 rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220627-qncwbsdbd5/
Behaviour
Gathers network information
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
Deletes itself
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
021bff5b7497f63714d88ed6427f6cea7be0adddfbb70ae66ea080cc68be5b9f
MD5 hash:
5b7a6ab6df7c1f5150baf0fca6cd53f1
SHA1 hash:
d8db78fd1247abc3f6e75be029a07b0d4003c907
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
FormBook
Create hunting rule
Link:
https://www.unpac.me/results/b598b69e-3dd4-458d-ad6d-3199b60a5f9a/
Parent samples :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 hash:
0aa8ea56f670ef5041fe87ee1a27b6623c2cf7996ed489214aa076996ca40cac
MD5 hash:
faf84cab64260654988db2f9157f8f89
SHA1 hash:
e1e6ebeaf252c78e74c1355cdefc6a2c52cfab70
Link:
https://www.unpac.me/results/b598b69e-3dd4-458d-ad6d-3199b60a5f9a/
SH256 hash:
0cb6aef1fa57d11408e47ae071485ef8f48c2982997b8d74b47a4151d85b978c
MD5 hash:
843aa6edf83bff7b61c6a5369ef41e95
SHA1 hash:
d1bfeec8eaac9a1dacf2f7062ce964d8e7d77085
Link:
https://www.unpac.me/results/b598b69e-3dd4-458d-ad6d-3199b60a5f9a/
SH256 hash:
75adbbdcc28deed60d1f7ae12ef3dfbe8599a0ba0496dad2ee739a9f486d9c02
MD5 hash:
ffcd85b24b31d2718c1d4524a743c6b3
SHA1 hash:
a1280fe37aebb4604a40f6e60706e7b9b660e2c0
Link:
https://www.unpac.me/results/b598b69e-3dd4-458d-ad6d-3199b60a5f9a/
SH256 hash:
92aeaa69aa2f1cae66f00f97827eac4057bec4ffa1fe261e7253f41f4ae8ac4a
MD5 hash:
ccac3e89171b20e4823e8fff875d823a
SHA1 hash:
45cb4a0cf7cea3908ad18e2788da27e24c056adb
Link:
https://www.unpac.me/results/b598b69e-3dd4-458d-ad6d-3199b60a5f9a/
SH256 hash:
afebe2a58337e50acfaadf900888c90195c2e50127b281d04aa3d799474ca43b
MD5 hash:
55e2d9b44406e28892ac92ccfb7b9168
SHA1 hash:
019a8dfd2883884a943c30c29380a147eff96461
Link:
https://www.unpac.me/results/b598b69e-3dd4-458d-ad6d-3199b60a5f9a/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/afebe2a58337e50acfaadf900888c90195c2e50127b281d04aa3d799474ca43b

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: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 afebe2a58337e50acfaadf900888c90195c2e50127b281d04aa3d799474ca43b

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/283588/

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