MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e25899bad9933c1b9676b0f94e0ef4f2be4756ae298e737f3dc67fea2246e8f8. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
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SHA256 hash: e25899bad9933c1b9676b0f94e0ef4f2be4756ae298e737f3dc67fea2246e8f8
SHA3-384 hash: b89cef9009b8088569af4c6b38b3d386b98f12262f1fd1da074c997d91e017d48c2f36f8d2ff57712c220e92d30e937c
SHA1 hash: 02f384628d123395d31b5785c7e03a113a4d3db7
MD5 hash: ffb194309dfc485a54bf94ca4a0b73c2
humanhash: white-violet-oxygen-bravo
File name:mxx7hgtx3JM76o5.exe
Download: download sample
Signature Formbook
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File size:644'608 bytes
First seen:2022-11-15 11:36:38 UTC
Last seen:2022-11-21 11:21:26 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'652 x Formbook, 12'246 x SnakeKeylogger)
ssdeep 12288:pIp9qKbcdBiJTFj5ivmGhUqcGS8jVaC9hU07kyLL1XXMQ:ipFbcdcJJ5clhc6aIFoyLJnM
TLSH T18FD40149F633EBA9F83D43B83D719C051B31E42698ADDA6C5D8225EA083434255AFDCF
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13097/50/3)
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 adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
179
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
mxx7hgtx3JM76o5.exe
Verdict:
Malicious activity
Analysis date:
2022-11-15 11:44:22 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/8ee8b0b7-f24c-4a73-9c1d-0b1ef75496a5

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/334228/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.46272.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/637379eff75d59fef0b97436/reports/78ccc83e-9249-4740-b619-bdafa2526d1f/overview
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/814c037c-1446-4edc-bb1c-833f22e1c3c9
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1114251
Signature
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
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 746946 Sample: mxx7hgtx3JM76o5.exe Startdate: 15/11/2022 Architecture: WINDOWS Score: 100 42 Snort IDS alert for network traffic 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 Multi AV Scanner detection for submitted file 2->46 48 6 other signatures 2->48 9 mxx7hgtx3JM76o5.exe 3 2->9         started        process3 file4 26 C:\Users\user\...\mxx7hgtx3JM76o5.exe.log, ASCII 9->26 dropped 50 Tries to detect virtualization through RDTSC time measurements 9->50 52 Injects a PE file into a foreign processes 9->52 13 mxx7hgtx3JM76o5.exe 9->13         started        signatures5 process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 13->54 56 Maps a DLL or memory area into another process 13->56 58 Sample uses process hollowing technique 13->58 60 Queues an APC in another process (thread injection) 13->60 16 rundll32.exe 13->16         started        19 explorer.exe 13->19 injected process8 dnsIp9 34 Modifies the context of a thread in another process (thread injection) 16->34 36 Maps a DLL or memory area into another process 16->36 38 Tries to detect virtualization through RDTSC time measurements 16->38 22 cmd.exe 1 16->22         started        28 www.timangusarchitect.com 162.255.119.210, 49712, 80 NAMECHEAP-NETUS United States 19->28 30 www.lamanagementconsulting.com 3.64.163.50, 49706, 80 AMAZON-02US United States 19->30 32 5 other IPs or domains 19->32 40 System process connects to network (likely due to code injection or exploit) 19->40 signatures10 process11 process12 24 conhost.exe 22->24         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e25899bad9933c1b9676b0f94e0ef4f2be4756ae298e737f3dc67fea2246e8f8/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-11-15 11:37:28 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
21 of 25 (84.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4jmjtowzsm6bxftwwd4u4dxu6k7eovvofghhg7z5yz76uisg5d4a._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:e07z rat spyware stealer trojan
Link:
https://tria.ge/reports/221115-nq6v3shd8v/
Behaviour
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
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/cd447eb6-7361-4618-abd3-0dc53f7d6560
Unpacked files
SH256 hash:
aa11d59e85fda56c510c6b363ae6a3f192c77970ee8a18ec741a89f0430a15e9
MD5 hash:
07517d188a49f05a401c2c4f5900c6bc
SHA1 hash:
ddafa45dbe58932ee788f3c90f139c5be09ce662
Detections:
FormBook
Create hunting rule
win_formbook_auto
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win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/6eaff663-e350-4fe1-bf85-fb63b31cfaff/
SH256 hash:
bdaa3c53243575ba28af54eb9f0ca891b4775f91c50e654008ac7a911202aa95
MD5 hash:
6017d4e9420168b79deb39d157297195
SHA1 hash:
cce6468768c677204a341b6dcede5f121f9ec2be
Link:
https://www.unpac.me/results/6eaff663-e350-4fe1-bf85-fb63b31cfaff/
SH256 hash:
cfc16a2dbb933b1b85807d48966e9301b9fc34f4c44e7357713ca88b54bf4ab4
MD5 hash:
aabd0bdc81026ade6c57383f21d5c227
SHA1 hash:
4b26936bb8c03be6d7963184215a5ab594ecb765
Link:
https://www.unpac.me/results/6eaff663-e350-4fe1-bf85-fb63b31cfaff/
SH256 hash:
22fb6ad654aabd71c509ea4e0e571c04b8b8ea24538bafe2e3d3677db179727f
MD5 hash:
165ca270a6668801c0266dcc5c30aeb5
SHA1 hash:
35b8c359395c43871c2c5c70ba65ee56db1c868a
Link:
https://www.unpac.me/results/6eaff663-e350-4fe1-bf85-fb63b31cfaff/
SH256 hash:
ab19f28c700d64814b0c55df868c30dfb94e0a1f9fb6f7bca05bac6eb78a4e52
MD5 hash:
1f2a6c02dcf9aa00a28a5039fb5b8ce0
SHA1 hash:
1ef480867d39b98368af7586a8e6ba38c0c3893a
Link:
https://www.unpac.me/results/6eaff663-e350-4fe1-bf85-fb63b31cfaff/
SH256 hash:
e25899bad9933c1b9676b0f94e0ef4f2be4756ae298e737f3dc67fea2246e8f8
MD5 hash:
ffb194309dfc485a54bf94ca4a0b73c2
SHA1 hash:
02f384628d123395d31b5785c7e03a113a4d3db7
Link:
https://www.unpac.me/results/6eaff663-e350-4fe1-bf85-fb63b31cfaff/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/e25899bad9933c1b9676b0f94e0ef4f2be4756ae298e737f3dc67fea2246e8f8

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
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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 e25899bad9933c1b9676b0f94e0ef4f2be4756ae298e737f3dc67fea2246e8f8

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/334228/

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