MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5e32ab599b2de72c60c1f2dcaa8604b5aa694d98d0dbd52c8607c000178c65ef. 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 2 File information Comments
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SHA256 hash: 5e32ab599b2de72c60c1f2dcaa8604b5aa694d98d0dbd52c8607c000178c65ef
SHA3-384 hash: 4c4e7ae82ab80a758b2e20a707a8f99f285f923d5e0cf387e4c8c622083e4d64da37862a77d710e156c92e8dc3cb3d5e
SHA1 hash: 27262c572d145535772f4a6db5c030e271ac54d2
MD5 hash: e6cb384cbef6ec1976d08ac2389328fa
humanhash: twenty-batman-two-friend
File name:OA22-05605.exe
Download: download sample
Signature Formbook
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File size:843'264 bytes
First seen:2022-10-26 14:22:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:PNBcIiCdajdJeqegeqVSl51aQHReZmnatRDZ:PNW2dwVtFm51jImSRV
TLSH T10F057C35275E4F07D0D9CE38A870D1B40BA65D7BAC2E9B86CAD47CF778163A0AA1C147
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
265
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
OA22-05605.exe
Verdict:
Malicious activity
Analysis date:
2022-10-26 14:24:05 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/b66c4bce-5873-492a-9153-c9b124436608

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/324440/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.19764.32106.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
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/7e28da4d-c0c0-4d48-a181-1bf25fba157c
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1098482
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in 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
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 731134 Sample: OA22-05605.exe Startdate: 26/10/2022 Architecture: WINDOWS Score: 100 34 Malicious sample detected (through community Yara rule) 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 Yara detected AntiVM3 2->38 40 6 other signatures 2->40 10 OA22-05605.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...\OA22-05605.exe.log, ASCII 10->28 dropped 50 Tries to detect virtualization through RDTSC time measurements 10->50 52 Injects a PE file into a foreign processes 10->52 14 OA22-05605.exe 10->14         started        signatures5 process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 14->54 56 Maps a DLL or memory area into another process 14->56 58 Sample uses process hollowing technique 14->58 60 Queues an APC in another process (thread injection) 14->60 17 explorer.exe 14->17 injected process8 dnsIp9 30 nsber.store 192.0.78.25, 49696, 80 AUTOMATTICUS United States 17->30 32 www.nsber.store 17->32 42 System process connects to network (likely due to code injection or exploit) 17->42 21 mstsc.exe 17->21         started        signatures10 process11 signatures12 44 Modifies the context of a thread in another process (thread injection) 21->44 46 Maps a DLL or memory area into another process 21->46 48 Tries to detect virtualization through RDTSC time measurements 21->48 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5e32ab599b2de72c60c1f2dcaa8604b5aa694d98d0dbd52c8607c000178c65ef/
Threat name:
ByteCode-MSIL.Trojan.FormBook
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Status:
Malicious
First seen:
2022-10-24 06:56:47 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=lyzkwwm3fxtsyygb6lokvbqewwvgstmy2dn5klega7aaaf4mmxxq._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:ss63 rat spyware stealer trojan
Link:
https://tria.ge/reports/221026-rp5s6sgafj/
Behaviour
Enumerates system info in registry
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
Unpacked files
SH256 hash:
454320b8c2c76a3e4fff8efe84fd4551c8b3797e6f3897d43cbeffb6d4683a7a
MD5 hash:
ffbd872e6a179b906edf4184fdd733f4
SHA1 hash:
4dc4fa6f026d87305af39436b15aec7ccaf025c5
Detections:
FormBook
Create hunting rule
win_formbook_auto
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win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/3812d571-aaf1-429a-895f-12cd2a5c5783/
Parent samples :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 hash:
bc444c4ec803b91da7af06cb0eb233fe69f565067f89544bf750fc17a9ede6dd
MD5 hash:
b52058082749f08bbcb7036b0d4189e8
SHA1 hash:
90365baf6b18ff3139da00cd5caf30660643110e
Link:
https://www.unpac.me/results/3812d571-aaf1-429a-895f-12cd2a5c5783/
SH256 hash:
34c3afdc262a47aa63ae3df77d86b45ef6317e1546347421738bd6d3ac0b8d8b
MD5 hash:
39238238a4e177a8c3f996e1451a8213
SHA1 hash:
8f28d5ef1a529e5e5c1fa7268950c76c81c89dc1
Link:
https://www.unpac.me/results/3812d571-aaf1-429a-895f-12cd2a5c5783/
SH256 hash:
3ba16a92b2b40d38c6e5e30f882a4c60b3838611868d990b7d986eb4018c17cb
MD5 hash:
16d6f358cc62b12dc869da8a59b03eda
SHA1 hash:
5eaf3662fbd4193086df2ba7233e9652542be8a3
Link:
https://www.unpac.me/results/3812d571-aaf1-429a-895f-12cd2a5c5783/
SH256 hash:
f8f3b41794b1802b3eae9c1171dd9ab232ab519cb5747416051e43f5416df717
MD5 hash:
4563279a2352c6b69a63d425725915dd
SHA1 hash:
0215d596fd82c3de8602501066018450b43330e7
Link:
https://www.unpac.me/results/3812d571-aaf1-429a-895f-12cd2a5c5783/
SH256 hash:
5e32ab599b2de72c60c1f2dcaa8604b5aa694d98d0dbd52c8607c000178c65ef
MD5 hash:
e6cb384cbef6ec1976d08ac2389328fa
SHA1 hash:
27262c572d145535772f4a6db5c030e271ac54d2
Link:
https://www.unpac.me/results/3812d571-aaf1-429a-895f-12cd2a5c5783/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/5e32ab599b2de72c60c1f2dcaa8604b5aa694d98d0dbd52c8607c000178c65ef

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
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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 5e32ab599b2de72c60c1f2dcaa8604b5aa694d98d0dbd52c8607c000178c65ef

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/324440/

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