MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 210d5b19dfc3dff919ba6ed4d76d2aa8becc988dabcca66b247d05c51811434b. 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: 19


Intelligence 19 IOCs YARA 1 File information Comments

SHA256 hash: 210d5b19dfc3dff919ba6ed4d76d2aa8becc988dabcca66b247d05c51811434b
SHA3-384 hash: fc9f85065f76f6318f19bebb5e7cb03ea049147d0f933cc0cf4fe8a1a4467baa934846989dd01074be3fd042c46bf971
SHA1 hash: bc96f51d24069d9b8364121dc4397c88e08cb309
MD5 hash: 420a0137eaa22be40636008e05d8005a
humanhash: glucose-carolina-sodium-neptune
File name:ibm_Centos.exe
Download: download sample
Signature Formbook
File size:354'676 bytes
First seen:2023-07-05 13:35:42 UTC
Last seen:2023-07-05 16:04:44 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 429 x GuLoader)
ssdeep 6144:vYa6rL0Yr8jMUoy49G6SCP/3S19UvOlJJOa85BE681q6pvojLjVY:vYZDJyDm/3SRJwvBEz7p6tY
Threatray 3'381 similar samples on MalwareBazaar
TLSH T1C174124573B4F873D5A501B54A33072AAFFBE41114749A8B57B08AECBD0BA60CE1EB52
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter Anonymous
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
296
Origin country :
US US
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
SOA202370511.xls
Verdict:
Malicious activity
Analysis date:
2023-07-05 13:22:28 UTC
Tags:
exploit cve-2017-11882 opendir 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
Creating a file in the %temp% directory
Creating a window
Creating a file
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Restart of the analyzed sample
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control lolbin overlay packed shell32
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
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
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
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 signatures2 2 Behavior Graph ID: 1267379 Sample: ibm_Centos.exe Startdate: 05/07/2023 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 7 other signatures 2->54 10 ibm_Centos.exe 1 20 2->10         started        process3 file4 38 C:\Users\user\AppData\Roaming\...\bkgg.exe, PE32 10->38 dropped 40 C:\Users\user\AppData\Local\...\mpgls.dll, PE32 10->40 dropped 70 Detected unpacking (changes PE section rights) 10->70 72 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 10->72 74 Maps a DLL or memory area into another process 10->74 76 Tries to detect virtualization through RDTSC time measurements 10->76 14 ibm_Centos.exe 10->14         started        signatures5 process6 signatures7 84 Modifies the context of a thread in another process (thread injection) 14->84 86 Maps a DLL or memory area into another process 14->86 88 Sample uses process hollowing technique 14->88 90 Queues an APC in another process (thread injection) 14->90 17 explorer.exe 6 2 14->17 injected process8 dnsIp9 42 cname.vercel-dns.com 76.76.21.61, 49708, 80 AMAZON-02US United States 17->42 44 www.keostrife.com 17->44 46 2 other IPs or domains 17->46 56 System process connects to network (likely due to code injection or exploit) 17->56 21 bkgg.exe 19 17->21         started        25 wlanext.exe 17->25         started        27 control.exe 17->27         started        signatures10 process11 file12 36 C:\Users\user\AppData\Local\...\mpgls.dll, PE32 21->36 dropped 58 Multi AV Scanner detection for dropped file 21->58 60 Detected unpacking (changes PE section rights) 21->60 62 Machine Learning detection for dropped file 21->62 29 bkgg.exe 21->29         started        64 Modifies the context of a thread in another process (thread injection) 25->64 66 Maps a DLL or memory area into another process 25->66 68 Tries to detect virtualization through RDTSC time measurements 25->68 32 cmd.exe 1 25->32         started        signatures13 process14 signatures15 78 Modifies the context of a thread in another process (thread injection) 29->78 80 Maps a DLL or memory area into another process 29->80 82 Sample uses process hollowing technique 29->82 34 conhost.exe 32->34         started        process16
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2023-07-05 13:36:06 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:m42i persistence rat spyware stealer trojan
Behaviour
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Deletes itself
Loads dropped DLL
Formbook payload
Formbook
Unpacked files
SH256 hash:
6a6d1e38d6cf19d9e006fa09b9d4ad1ae6dea89f72dc5a0bf74f9cadac6fc69e
MD5 hash:
1a3a42eb12c818f6466c5be494618123
SHA1 hash:
0573135d01872f45c9532887d9fa702f752590f1
Detections:
FormBook win_formbook_w0 win_formbook_auto win_formbook_g0 FormBook win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
39cd81d25e703846eb67234b19357736b57f2f4a0f1c4b802f9d0db2c99b3456
MD5 hash:
4874e9c95597c552811c664d489739c0
SHA1 hash:
109145d468e60a9c1d3b9dbfffbf798bfa4e8e95
SH256 hash:
6a6d1e38d6cf19d9e006fa09b9d4ad1ae6dea89f72dc5a0bf74f9cadac6fc69e
MD5 hash:
1a3a42eb12c818f6466c5be494618123
SHA1 hash:
0573135d01872f45c9532887d9fa702f752590f1
Detections:
FormBook win_formbook_w0 win_formbook_auto win_formbook_g0 FormBook win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
39cd81d25e703846eb67234b19357736b57f2f4a0f1c4b802f9d0db2c99b3456
MD5 hash:
4874e9c95597c552811c664d489739c0
SHA1 hash:
109145d468e60a9c1d3b9dbfffbf798bfa4e8e95
SH256 hash:
210d5b19dfc3dff919ba6ed4d76d2aa8becc988dabcca66b247d05c51811434b
MD5 hash:
420a0137eaa22be40636008e05d8005a
SHA1 hash:
bc96f51d24069d9b8364121dc4397c88e08cb309
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:shellcode
Author:nex
Description:Matched shellcode byte patterns

File information


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

Web download

Formbook

Executable exe 210d5b19dfc3dff919ba6ed4d76d2aa8becc988dabcca66b247d05c51811434b

(this sample)

  
Delivery method
Distributed via web download

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