MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2a43da13d635789edfb0cd6928427911e3295c06e921cebdaa3319c7c1f65b77. 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: 17


Intelligence 17 IOCs YARA 2 File information Comments 1

SHA256 hash: 2a43da13d635789edfb0cd6928427911e3295c06e921cebdaa3319c7c1f65b77
SHA3-384 hash: d6f093476e4a0f0aa6e3f20f55e99d4771bd65f7740c8671df806089b06012761f1b664cc1fda93fc8e2beab8163b884
SHA1 hash: 41d194f5ad444d504b0df6753b2ee344477df966
MD5 hash: bbd078b0a1887a7ee952c1b8689f3cc8
humanhash: orange-sixteen-comet-helium
File name:bbd078b0a1887a7ee952c1b8689f3cc8
Download: download sample
Signature Formbook
File size:676'864 bytes
First seen:2023-07-04 04:49:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:R7m72iNQveOlVp2So0hOmAVVOFArlqm5okVPYVtO4JwKQrPvwDi:g1CeEVpBo0DAVnbPSrZJrDi
Threatray 3'374 similar samples on MalwareBazaar
TLSH T1B1E46A3C18BC5E23C175D6F68F94C021F698D5EB32A1CF665BC39695061EA0229CBD3E
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon e8cc96b69696dce8 (1 x Formbook)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
303
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
5321abc2b59da0447bf1e9ea2505e4d4
Verdict:
Malicious activity
Analysis date:
2023-07-04 04:01:37 UTC
Tags:
exploit cve-2017-11882 loader formbook xloader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a window
Sending a custom TCP request
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
barys comodo lokibot packed
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
.NET source code contains very large strings
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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)
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
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: 1266343 Sample: Amn47wiKZR.exe Startdate: 04/07/2023 Architecture: WINDOWS Score: 100 40 www.gamingord.xyz 2->40 54 Snort IDS alert for network traffic 2->54 56 Found malware configuration 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 8 other signatures 2->60 11 Amn47wiKZR.exe 4 2->11         started        signatures3 process4 file5 38 C:\Users\user\AppData\...\Amn47wiKZR.exe.log, ASCII 11->38 dropped 66 Adds a directory exclusion to Windows Defender 11->66 68 Tries to detect virtualization through RDTSC time measurements 11->68 70 Injects a PE file into a foreign processes 11->70 15 Amn47wiKZR.exe 11->15         started        18 powershell.exe 20 11->18         started        20 Amn47wiKZR.exe 11->20         started        22 Amn47wiKZR.exe 11->22         started        signatures6 process7 signatures8 72 Modifies the context of a thread in another process (thread injection) 15->72 74 Maps a DLL or memory area into another process 15->74 76 Sample uses process hollowing technique 15->76 78 Queues an APC in another process (thread injection) 15->78 24 explorer.exe 4 1 15->24 injected 28 conhost.exe 18->28         started        process9 dnsIp10 42 www.character-try.xyz 64.190.63.111, 49697, 80 NBS11696US United States 24->42 44 59e6bpxd.029482.shop 20.187.115.26, 80 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 24->44 46 4 other IPs or domains 24->46 62 System process connects to network (likely due to code injection or exploit) 24->62 64 Performs DNS queries to domains with low reputation 24->64 30 wscript.exe 12 24->30         started        signatures11 process12 dnsIp13 48 104.208.116.93, 80 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 30->48 50 104.208.68.102, 80 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 30->50 52 3 other IPs or domains 30->52 80 System process connects to network (likely due to code injection or exploit) 30->80 82 Modifies the context of a thread in another process (thread injection) 30->82 84 Maps a DLL or memory area into another process 30->84 86 Tries to detect virtualization through RDTSC time measurements 30->86 34 cmd.exe 1 30->34         started        signatures14 process15 process16 36 conhost.exe 34->36         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-07-03 13:12:20 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
19 of 22 (86.36%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:fgh2 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook payload
Formbook
Unpacked files
SH256 hash:
823484e602c771fa3b7f4dc3a725a4ab71de5dfc1454524b06d35d155e74e692
MD5 hash:
3d91fe4bf2361a0447535dabdfdbb367
SHA1 hash:
ab598abc771ad81058679026f78d4520aa5c4cf3
Detections:
FormBook win_formbook_w0 win_formbook_auto win_formbook_g0 FormBook win_formbook_w0 win_formbook_auto win_formbook_g0 FormBook win_formbook_w0 win_formbook_auto win_formbook_g0 FormBook win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
488ba7862654f5489c94013b157281e1c1497de6f2aa4054e40288922a6e8b03
MD5 hash:
ee34d37cb66475bb4d7069be025a2791
SHA1 hash:
fb10e7d3340611533e0a16ca9d6fed24ac6132b7
SH256 hash:
9d6c73e273a966a4ed1d93350392d965792ddf5ad201bfa28b8adcec2e344db5
MD5 hash:
adac60763fcfe4d5f4ad323046e79500
SHA1 hash:
9ced772a90ddec9fffde8c745225ad289f3f087e
SH256 hash:
973512f00ba81a790d2351f286c79dfea92692c9f7cd724e22ab11ff282f8130
MD5 hash:
3794c5f7b240e4184d6ea90c5bdd9ec6
SHA1 hash:
26b9c4a753779b4994fe38c16dfe70b07efd3e0d
SH256 hash:
823484e602c771fa3b7f4dc3a725a4ab71de5dfc1454524b06d35d155e74e692
MD5 hash:
3d91fe4bf2361a0447535dabdfdbb367
SHA1 hash:
ab598abc771ad81058679026f78d4520aa5c4cf3
Detections:
FormBook win_formbook_w0 win_formbook_auto win_formbook_g0 FormBook win_formbook_w0 win_formbook_auto win_formbook_g0 FormBook win_formbook_w0 win_formbook_auto win_formbook_g0 FormBook win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
488ba7862654f5489c94013b157281e1c1497de6f2aa4054e40288922a6e8b03
MD5 hash:
ee34d37cb66475bb4d7069be025a2791
SHA1 hash:
fb10e7d3340611533e0a16ca9d6fed24ac6132b7
SH256 hash:
9d6c73e273a966a4ed1d93350392d965792ddf5ad201bfa28b8adcec2e344db5
MD5 hash:
adac60763fcfe4d5f4ad323046e79500
SHA1 hash:
9ced772a90ddec9fffde8c745225ad289f3f087e
SH256 hash:
973512f00ba81a790d2351f286c79dfea92692c9f7cd724e22ab11ff282f8130
MD5 hash:
3794c5f7b240e4184d6ea90c5bdd9ec6
SHA1 hash:
26b9c4a753779b4994fe38c16dfe70b07efd3e0d
SH256 hash:
823484e602c771fa3b7f4dc3a725a4ab71de5dfc1454524b06d35d155e74e692
MD5 hash:
3d91fe4bf2361a0447535dabdfdbb367
SHA1 hash:
ab598abc771ad81058679026f78d4520aa5c4cf3
Detections:
FormBook win_formbook_w0 win_formbook_auto win_formbook_g0 FormBook win_formbook_w0 win_formbook_auto win_formbook_g0 FormBook win_formbook_w0 win_formbook_auto win_formbook_g0 FormBook win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
488ba7862654f5489c94013b157281e1c1497de6f2aa4054e40288922a6e8b03
MD5 hash:
ee34d37cb66475bb4d7069be025a2791
SHA1 hash:
fb10e7d3340611533e0a16ca9d6fed24ac6132b7
SH256 hash:
9d6c73e273a966a4ed1d93350392d965792ddf5ad201bfa28b8adcec2e344db5
MD5 hash:
adac60763fcfe4d5f4ad323046e79500
SHA1 hash:
9ced772a90ddec9fffde8c745225ad289f3f087e
SH256 hash:
973512f00ba81a790d2351f286c79dfea92692c9f7cd724e22ab11ff282f8130
MD5 hash:
3794c5f7b240e4184d6ea90c5bdd9ec6
SHA1 hash:
26b9c4a753779b4994fe38c16dfe70b07efd3e0d
SH256 hash:
823484e602c771fa3b7f4dc3a725a4ab71de5dfc1454524b06d35d155e74e692
MD5 hash:
3d91fe4bf2361a0447535dabdfdbb367
SHA1 hash:
ab598abc771ad81058679026f78d4520aa5c4cf3
Detections:
FormBook win_formbook_w0 win_formbook_auto win_formbook_g0 FormBook win_formbook_w0 win_formbook_auto win_formbook_g0 FormBook win_formbook_w0 win_formbook_auto win_formbook_g0 FormBook win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
488ba7862654f5489c94013b157281e1c1497de6f2aa4054e40288922a6e8b03
MD5 hash:
ee34d37cb66475bb4d7069be025a2791
SHA1 hash:
fb10e7d3340611533e0a16ca9d6fed24ac6132b7
SH256 hash:
9d6c73e273a966a4ed1d93350392d965792ddf5ad201bfa28b8adcec2e344db5
MD5 hash:
adac60763fcfe4d5f4ad323046e79500
SHA1 hash:
9ced772a90ddec9fffde8c745225ad289f3f087e
SH256 hash:
973512f00ba81a790d2351f286c79dfea92692c9f7cd724e22ab11ff282f8130
MD5 hash:
3794c5f7b240e4184d6ea90c5bdd9ec6
SHA1 hash:
26b9c4a753779b4994fe38c16dfe70b07efd3e0d
SH256 hash:
2a43da13d635789edfb0cd6928427911e3295c06e921cebdaa3319c7c1f65b77
MD5 hash:
bbd078b0a1887a7ee952c1b8689f3cc8
SHA1 hash:
41d194f5ad444d504b0df6753b2ee344477df966
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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Web download

Formbook

Executable exe 2a43da13d635789edfb0cd6928427911e3295c06e921cebdaa3319c7c1f65b77

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2023-07-04 04:49:01 UTC

url : hxxp://185.246.220.60/defounder.exe