MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2829338e694c41ed95440c5c3fc69b038a710afc3e8ad82dce03395acd841c69. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments
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SHA256 hash: 2829338e694c41ed95440c5c3fc69b038a710afc3e8ad82dce03395acd841c69
SHA3-384 hash: b2d617fd332a59dcf91e34837dc477849a03b3b3f1d5e4993e6c36e2678d920e88ebf8cc6d649a2a9a25512a146cae0b
SHA1 hash: 91c23282b04efd68f33965d3f75aff43a966d413
MD5 hash: ed564a6863a4f94c2f19cf41d6e3ad1a
humanhash: double-timing-four-montana
File name:excel (1).exe
Download: download sample
Signature Formbook
Create hunting rule
File size:827'904 bytes
First seen:2022-11-04 22:18:05 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'638 x Formbook, 12'244 x SnakeKeylogger)
ssdeep 12288:klYU4WouHH1JJ2iNXu2iNzDi9xuw2NOhFg9enI3ARnR4kixtCinaIhkejwFGf:t1u1j1A1ti9x8mq9eEARRYtCIaIbeG
TLSH T18905022DFA63EFDCE82D43782170881197F1DC26A89BD6AD29C536BA0534743516BCCB
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
221
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
excel (1).exe
Verdict:
Malicious activity
Analysis date:
2022-11-04 22:20:28 UTC
Tags:
formbook trojan
Link:
https://app.any.run/tasks/a6669a9b-2b49-46ca-b03e-ba586f96015c

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/328841/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
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SecuriteInfo.com.Trojan.Inject4.46272.UNOFFICIAL
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SecuriteInfo.com.Trojan.PackedNET.389-2.UNOFFICIAL
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SecuriteInfo.com.Trojan.PWS.StealerNET.122-1.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
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/63658fd615611f8d8bf8e508/reports/c9a939f9-0e4f-47ee-bc6d-c7d4d7d2df81/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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ed02580b-1324-4598-a541-d922fec9e428
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1105842
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
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: 738506 Sample: excel (1).exe Startdate: 04/11/2022 Architecture: WINDOWS Score: 100 34 Snort IDS alert for network traffic 2->34 36 Malicious sample detected (through community Yara rule) 2->36 38 Antivirus detection for URL or domain 2->38 40 9 other signatures 2->40 10 excel (1).exe 3 2->10         started        process3 file4 30 C:\Users\user\AppData\...\excel (1).exe.log, ASCII 10->30 dropped 50 Injects a PE file into a foreign processes 10->50 14 excel (1).exe 10->14         started        17 excel (1).exe 10->17         started        signatures5 process6 signatures7 52 Modifies the context of a thread in another process (thread injection) 14->52 54 Maps a DLL or memory area into another process 14->54 56 Sample uses process hollowing technique 14->56 58 Queues an APC in another process (thread injection) 14->58 19 explorer.exe 14->19 injected process8 dnsIp9 32 www.doxycyclin.monster 104.21.80.149, 49705, 80 CLOUDFLARENETUS United States 19->32 42 System process connects to network (likely due to code injection or exploit) 19->42 23 help.exe 19->23         started        signatures10 process11 signatures12 44 Modifies the context of a thread in another process (thread injection) 23->44 46 Maps a DLL or memory area into another process 23->46 48 Tries to detect virtualization through RDTSC time measurements 23->48 26 cmd.exe 1 23->26         started        process13 process14 28 conhost.exe 26->28         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2829338e694c41ed95440c5c3fc69b038a710afc3e8ad82dce03395acd841c69/
Threat name:
ByteCode-MSIL.Spyware.SnakeLogger
Create hunting rule
Status:
Malicious
First seen:
2022-11-02 11:46:37 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
19 of 26 (73.08%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fauthdtjjra63fkebrod7ru3aofhccx4h2fnqlooam4vvtmedruq._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/221104-18g1wsdeap/
Behaviour
Gathers network information
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
Gathering data
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/631fe01f-0f37-444a-b0d3-9758ab4a5be0/
Parent samples :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 hash:
aee34763fa9c6cfdd5884bcb04255ec6afa8d18b3827ee3e223f7c395e41116d
MD5 hash:
02accc2b642672ce09d802d036cf4185
SHA1 hash:
a59246968c9b275892da8ff0f8c4b60dff69a5ca
Link:
https://www.unpac.me/results/631fe01f-0f37-444a-b0d3-9758ab4a5be0/
SH256 hash:
cfc16a2dbb933b1b85807d48966e9301b9fc34f4c44e7357713ca88b54bf4ab4
MD5 hash:
aabd0bdc81026ade6c57383f21d5c227
SHA1 hash:
4b26936bb8c03be6d7963184215a5ab594ecb765
Link:
https://www.unpac.me/results/631fe01f-0f37-444a-b0d3-9758ab4a5be0/
SH256 hash:
8354a7ad0499febdd288542828ad0355dcb7054c0c518266208e571c5122b0c6
MD5 hash:
6bfc7ce9ec7891d9d8494454332099b5
SHA1 hash:
34fc8cebba035e2cc6d27d636f9655949080bf8e
Link:
https://www.unpac.me/results/631fe01f-0f37-444a-b0d3-9758ab4a5be0/
SH256 hash:
af26b2bdccbd95e83bcd6d716f85843039bc40f0aa3671bf1eaf04e56c2b6ff9
MD5 hash:
013ef4d34101f9b57bc7530fb5b4ce77
SHA1 hash:
2753a3d7ea20a691d181e680d6d8568358e98199
Link:
https://www.unpac.me/results/631fe01f-0f37-444a-b0d3-9758ab4a5be0/
SH256 hash:
2829338e694c41ed95440c5c3fc69b038a710afc3e8ad82dce03395acd841c69
MD5 hash:
ed564a6863a4f94c2f19cf41d6e3ad1a
SHA1 hash:
91c23282b04efd68f33965d3f75aff43a966d413
Link:
https://www.unpac.me/results/631fe01f-0f37-444a-b0d3-9758ab4a5be0/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/2829338e694c/report/overview.html
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/2829338e694c41ed95440c5c3fc69b038a710afc3e8ad82dce03395acd841c69

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
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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 2829338e694c41ed95440c5c3fc69b038a710afc3e8ad82dce03395acd841c69

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/328841/

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