MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 67489279b14b30ad57178036c4c6d04037a31c41841eb812231dcf8c921f8b18. 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 15 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 67489279b14b30ad57178036c4c6d04037a31c41841eb812231dcf8c921f8b18
SHA3-384 hash: ba709ae460eff88037e56a3802d8887f5648053517fdeeb828cbcafbf3cce5ccb0832a25b3fd97b227cdcf88a4452807
SHA1 hash: d0c7b70af48ba6534283af5fcfe16a340892fb8e
MD5 hash: 5a79f40ca8df2b7b10414dc1445fe4e7
humanhash: oklahoma-indigo-wolfram-india
File name:file.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:708'096 bytes
First seen:2023-10-24 05:34:03 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:mhNh6sxTA6qNhOnnnGitbqmh5f1YA5z+SkV+LrCBYDzSisuY8DXnaCP+SdCs8+mU:mDDxs6gknZdz1YA5+WLDvxsuY8DXa7Sn
TLSH T14BE4DF9C366072EFC81BDD768EA42C64AA20B47B5B0BD247955311DD9A0DADBCF042F3
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 00c4cccac6a49000 (15 x AgentTesla, 4 x Formbook, 2 x SnakeKeylogger)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
302
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
file.exe
Verdict:
Malicious activity
Analysis date:
2023-10-24 05:40:47 UTC
Tags:
formbook xloader stealer spyware sinkhole
Link:
https://app.any.run/tasks/b79541d0-bae5-450d-b255-c8e5ca0e4292

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/455852/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/653757882b74b3f20dd93f7b/reports/19166ac0-b85f-4fe2-963a-982b8b6923fa/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/67489279b14b30ad57178036c4c6d04037a31c41841eb812231dcf8c921f8b18
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/ec401b1f-929e-463f-a9e7-c69f4ddf10c6
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1331016
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
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 domain / URL
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 AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1331016 Sample: file.exe Startdate: 24/10/2023 Architecture: WINDOWS Score: 100 30 www.stillnightjohns.fun 2->30 32 www.ssongg3980.cfd 2->32 34 12 other IPs or domains 2->34 42 Snort IDS alert for network traffic 2->42 44 Multi AV Scanner detection for domain / URL 2->44 46 Found malware configuration 2->46 48 12 other signatures 2->48 11 file.exe 3 2->11         started        signatures3 process4 signatures5 58 Detected unpacking (changes PE section rights) 11->58 60 Detected unpacking (overwrites its own PE header) 11->60 62 Tries to detect virtualization through RDTSC time measurements 11->62 14 file.exe 11->14         started        17 file.exe 11->17         started        process6 signatures7 64 Modifies the context of a thread in another process (thread injection) 14->64 66 Maps a DLL or memory area into another process 14->66 68 Sample uses process hollowing technique 14->68 70 Queues an APC in another process (thread injection) 14->70 19 explorer.exe 6 1 14->19 injected process8 dnsIp9 36 www.redbeliar.com 162.214.129.144, 49727, 80 UNIFIEDLAYER-AS-1US United States 19->36 38 www.oblastcommunity.media 77.47.241.51, 49729, 80 NTUU-KPI-ASUA Ukraine 19->38 40 7 other IPs or domains 19->40 50 System process connects to network (likely due to code injection or exploit) 19->50 23 mstsc.exe 12 19->23         started        signatures10 process11 signatures12 52 Modifies the context of a thread in another process (thread injection) 23->52 54 Maps a DLL or memory area into another process 23->54 56 Tries to detect virtualization through RDTSC time measurements 23->56 26 cmd.exe 1 23->26         started        process13 process14 28 conhost.exe 26->28         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/67489279b14b30ad57178036c4c6d04037a31c41841eb812231dcf8c921f8b18
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/67489279b14b30ad57178036c4c6d04037a31c41841eb812231dcf8c921f8b18/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-10-23 13:23:45 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=m5eje6nrjmyk2vyxqa3mjrwqia32ghcbqqplqerddxhyzeq7rmma._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:ur25 rat spyware stealer trojan
Link:
https://tria.ge/reports/231024-f9gfjaah2y/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
41b7f67e70975a9743009770864a916f94cd07a11e6c05ddad4ac14f2549f761
MD5 hash:
9db9075781b8d531290ab8f9caa801a7
SHA1 hash:
29ef7daea8e1fc0ccefd973db686ef209ad37cb1
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/189708b4-f617-4a62-b3ba-9d745dbc5bdd/
Parent samples :
566e2a793ef02ec92066c9324c65bb406790217ba0a3158dc9ba56b612ba465e
6ec844914b335f0e27b9f536da5691fcc06e6ecc80d0af8dd7bc3ed8b3ee0a60
3e1c698228509853ff20630c605525450e37d2741f7137b3784a21d4e5d7a998
e3a54b7c39fc2f292bae653dcfe4e68f162ec5498cd2697bcdc2993767fb66f5
67489279b14b30ad57178036c4c6d04037a31c41841eb812231dcf8c921f8b18
18123906c231582b7b137ee1e95336f382ce4bfeb9621b5f06aad0baec7fb619
SH256 hash:
b1270dc9ec3f22c6fd2296239426ac7c48589589580d4a1b3da8188920b22a63
MD5 hash:
5c904da8528cfb1b87b15a6aa7c059cd
SHA1 hash:
f0a192969485d1bc34bf52adf37d9c20176d6b85
Link:
https://www.unpac.me/results/189708b4-f617-4a62-b3ba-9d745dbc5bdd/
SH256 hash:
fd176165a243e915851f120a7ae83a014f5ec6a3bb3f108c94cbddd49b7c8d83
MD5 hash:
d52354b7855f5d07fc4f1f78cb80b004
SHA1 hash:
ea542266f6208a83c7b34bda37c46f36f10dab1b
Link:
https://www.unpac.me/results/189708b4-f617-4a62-b3ba-9d745dbc5bdd/
SH256 hash:
3504987f3daaea6b197381d6d1f1e9df803ce0f6c7632a475aa38f45159296d9
MD5 hash:
125b9925783c91a639804e93c9fb68a9
SHA1 hash:
4d17f0a23ac3f97fb194a59324511b3fd5eef2ac
Link:
https://www.unpac.me/results/189708b4-f617-4a62-b3ba-9d745dbc5bdd/
SH256 hash:
67489279b14b30ad57178036c4c6d04037a31c41841eb812231dcf8c921f8b18
MD5 hash:
5a79f40ca8df2b7b10414dc1445fe4e7
SHA1 hash:
d0c7b70af48ba6534283af5fcfe16a340892fb8e
Link:
https://www.unpac.me/results/189708b4-f617-4a62-b3ba-9d745dbc5bdd/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/67489279b14b/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.86
Link:
https://yomi.yoroi.company/submissions/67489279b14b30ad57178036c4c6d04037a31c41841eb812231dcf8c921f8b18

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:DebuggerCheck__GlobalFlags
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
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 67489279b14b30ad57178036c4c6d04037a31c41841eb812231dcf8c921f8b18

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/455852/

Comments