MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8bc4f4ce5d6c39ec058db68d3f76ea4c1b6d1cd973534dc2e4f624d17d52f904. 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 4 File information Comments
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SHA256 hash: 8bc4f4ce5d6c39ec058db68d3f76ea4c1b6d1cd973534dc2e4f624d17d52f904
SHA3-384 hash: 3a234e76a9dfd08d4ecc8be69417fd4a82983cf4158656c9da477da5e9e9649916e0910639f70b2edbbfc785a14eabe3
SHA1 hash: bbf2ccbda76ac1634bc672dbb6ca9e1940dce6a9
MD5 hash: 5fffcf1ccc6687bd7125099278a0785b
humanhash: monkey-helium-burger-double
File name:Request For Quotation_01324794.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:69'632 bytes
First seen:2023-05-11 08:24:26 UTC
Last seen:2023-05-13 22:56:25 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 1536:ESYOU3ukPVxu+jQn5lOtjzoACK+yw09HXdqkSZZZ3g99ib/:fYCeVxu+jQn5otjziK+ywMHX3Utb/
Threatray 3'334 similar samples on MalwareBazaar
TLSH T19E63AD02BB64C6A1E9A44B3168A347609733EC2299F0D71B379DB96F1F33392951638D
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon f86eeae6b696c6cc (6 x AgentTesla, 3 x LummaStealer, 3 x Floxif)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
268
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Request For Quotation_01324794.exe
Verdict:
Malicious activity
Analysis date:
2023-05-11 08:24:40 UTC
Tags:
opendir formbook xloader trojan stealer
Link:
https://app.any.run/tasks/a19c0b12-8e4e-4f73-9d00-82f71922c0a9

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/388375/
Detection(s):
SecuriteInfo.com.Variant.Barys.14329.11142.14450.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Launching a process
Creating a file
Launching cmd.exe command interpreter
Forced shutdown of a system process
Sending an HTTP GET request to an infection source
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed packed
Link:
https://www.filescan.io/uploads/645ca662a2bbacddad9c0ae2/reports/28413341-12f4-47a2-ac21-a0409d7e2135/overview
Verdict:
Malicious
Labled as:
Barys.Generic
Link:
https://www.hybrid-analysis.com/sample/8bc4f4ce5d6c39ec058db68d3f76ea4c1b6d1cd973534dc2e4f624d17d52f904
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/68e621f3-da22-468f-8922-a47d9dea9869
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1230642
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates an undocumented autostart registry key
Found 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 dropped file
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sample uses string decryption to hide its real strings
Snort IDS alert for network traffic
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
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 863624 Sample: Request_For_Quotation_01324... Startdate: 11/05/2023 Architecture: WINDOWS Score: 100 48 Snort IDS alert for network traffic 2->48 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 14 other signatures 2->54 10 Request_For_Quotation_01324794.exe 15 6 2->10         started        process3 dnsIp4 46 107.172.206.120, 49677, 80 AS-COLOCROSSINGUS United States 10->46 32 C:\Users\user\AppData\...\Uxtlgnkpp.exe, PE32 10->32 dropped 34 C:\Users\...\Uxtlgnkpp.exe:Zone.Identifier, ASCII 10->34 dropped 36 C:\...\Request_For_Quotation_01324794.exe.log, ASCII 10->36 dropped 64 Creates an undocumented autostart registry key 10->64 66 Writes to foreign memory regions 10->66 68 Injects a PE file into a foreign processes 10->68 15 MSBuild.exe 10->15         started        18 MSBuild.exe 10->18         started        file5 signatures6 process7 signatures8 70 Modifies the context of a thread in another process (thread injection) 15->70 72 Maps a DLL or memory area into another process 15->72 74 Sample uses process hollowing technique 15->74 76 Queues an APC in another process (thread injection) 15->76 20 explorer.exe 2 6 15->20 injected 78 Tries to detect virtualization through RDTSC time measurements 18->78 process9 dnsIp10 38 www.jhy6id3bgsu.cfd 154.213.26.30, 80 YISUCLOUDLTD-AS-APYISUCLOUDLTDHK Seychelles 20->38 40 wehantz.com 92.204.221.15, 49686, 80 VELIANET-ASvelianetInternetdiensteGmbHDE Germany 20->40 42 2 other IPs or domains 20->42 56 System process connects to network (likely due to code injection or exploit) 20->56 24 cmmon32.exe 12 20->24         started        signatures11 process12 dnsIp13 44 www.jhy6id3bgsu.cfd 24->44 58 Modifies the context of a thread in another process (thread injection) 24->58 60 Maps a DLL or memory area into another process 24->60 62 Tries to detect virtualization through RDTSC time measurements 24->62 28 cmd.exe 1 24->28         started        signatures14 process15 process16 30 conhost.exe 28->30         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8bc4f4ce5d6c39ec058db68d3f76ea4c1b6d1cd973534dc2e4f624d17d52f904/
Threat name:
ByteCode-MSIL.Trojan.Barys
Create hunting rule
Status:
Malicious
First seen:
2023-05-11 08:25:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
8 of 37 (21.62%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=rpcpjts5nq46ybmnw2gt65xkjqnw2hgzonju3qxe6ysnc7ks7eca._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
112da5dc2023c407a5d080239836143b39d1a75aa579c373fea4f7b3171c2925
Formbook
272872a41e4e0ae720f6f61e50320720cf0313fe65d4c039334ed6c0cb7f37b0
Formbook
5a95e92547f26d8b505c2c70b8c96dd8c41cb73ce948781b08a0adc831b1b158
Formbook
6a57e513b61e8a308a00109c55555b710dcaa64629a25982ddcf3c4433fed248
Formbook
78c83e6e7ce1c4708302ea7cd0a51b142b49f1e58e5fdefa07d9891b019683a4
Formbook
ab885c190a5cf8f650a0c8ff3b6e0bd2ed857e4126cfde672fa5a70db5616751
Formbook
d4ab87e55002c6b6e0aafcf9365ab9017946e998371e43b15a50bae8475b947c
Formbook
ee0603d9ad98809ae728d4d1ebee72fcb97b28d493df380a6805f7d45a086b64
Formbook
+ 3'324 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:g3th rat spyware stealer trojan
Link:
https://tria.ge/reports/230511-kbaybacf24/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
8bc4f4ce5d6c39ec058db68d3f76ea4c1b6d1cd973534dc2e4f624d17d52f904
MD5 hash:
5fffcf1ccc6687bd7125099278a0785b
SHA1 hash:
bbf2ccbda76ac1634bc672dbb6ca9e1940dce6a9
Link:
https://www.unpac.me/results/61ed6b7b-3e5f-4e29-9efc-96e8905366f8/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8bc4f4ce5d6c/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:INDICATOR_EXE_Packed_SmartAssembly
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Author:ditekSHen
Description:Detects executables packed with SmartAssembly
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 8bc4f4ce5d6c39ec058db68d3f76ea4c1b6d1cd973534dc2e4f624d17d52f904

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/388375/

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