MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cc86b6bbd5f6fc1caf1815dccac28f639f897c3990de4d6cdd89cf43a0575de5. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cc86b6bbd5f6fc1caf1815dccac28f639f897c3990de4d6cdd89cf43a0575de5
SHA3-384 hash: e57b682e9e043af9ebccf5bc4c6e4e263e3c7db9ee834fd3c42f5070339048eaa2cc08304abb652454a687c317723e07
SHA1 hash: 91b0c0c4576e9fa1e5f43ad8ec234d7310dd011a
MD5 hash: 020e60eea786dc86f14d38b0223751d2
humanhash: mars-nevada-eighteen-nebraska
File name:Documents.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:544'256 bytes
First seen:2022-04-15 13:17:56 UTC
Last seen:2022-04-15 16:17:53 UTC
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:Lxvf/jmI3IwEBz1NXCQ/kICzhPsiTaUGhZoIMmzJxqnmgHFdb8G4xYVkj:LJzh1RgJJxqnNdoakj
Threatray 14'714 similar samples on MalwareBazaar
TLSH T129C48D9C366072EFC857C472DEA82C68EB51787B871F4207A42715EDAA1D89BDF140F2
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)
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
3
# of downloads :
394
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Documents.exe
Verdict:
Malicious activity
Analysis date:
2022-04-15 13:21:19 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/b9d23552-cdcc-47d8-8691-6ab31630268a

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/263988/
Detection(s):
SecuriteInfo.com.Suspicious.Win32.Save.a.26282.11324.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Creating a file
Searching for synchronization primitives
Launching cmd.exe command interpreter
Reading critical registry keys
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control.exe obfuscated packed
Link:
https://www.filescan.io/uploads/62597098ffe27d5119dab197/reports/b0e2b1c9-f475-46f6-81e0-b42ab91433f6/overview
Result
Verdict:
UNKNOWN
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/88ebc8f8-58f4-40a9-b120-2904d45c0248
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/977407
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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)
Multi AV Scanner detection for dropped file
PE file contains section with special chars
PE file has nameless sections
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Suspicious Add Scheduled Task From User AppData Temp
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 609894 Sample: Documents.exe Startdate: 15/04/2022 Architecture: WINDOWS Score: 100 47 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->47 49 Found malware configuration 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 12 other signatures 2->53 10 Documents.exe 6 2->10         started        process3 file4 33 C:\Users\user\AppData\...\hmGwtdeKHVit.exe, PE32 10->33 dropped 35 C:\Users\user\AppData\Local\Temp\tmpA29.tmp, XML 10->35 dropped 37 C:\Users\user\AppData\...\Documents.exe.log, ASCII 10->37 dropped 67 Uses schtasks.exe or at.exe to add and modify task schedules 10->67 69 Writes to foreign memory regions 10->69 71 Injects a PE file into a foreign processes 10->71 73 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 10->73 14 RegSvcs.exe 10->14         started        17 schtasks.exe 1 10->17         started        signatures5 process6 signatures7 75 Modifies the context of a thread in another process (thread injection) 14->75 77 Maps a DLL or memory area into another process 14->77 79 Sample uses process hollowing technique 14->79 81 2 other signatures 14->81 19 explorer.exe 14->19 injected 23 conhost.exe 17->23         started        process8 dnsIp9 39 www.pauschalreisen.xyz 203.170.80.250, 80 DREAMSCAPE-AS-APDreamscapeNetworksLimitedAU Australia 19->39 41 www.kartupokerjp889.com 172.67.128.196, 49813, 80 CLOUDFLARENETUS United States 19->41 43 4 other IPs or domains 19->43 55 System process connects to network (likely due to code injection or exploit) 19->55 57 Performs DNS queries to domains with low reputation 19->57 25 WWAHost.exe 12 19->25         started        signatures10 process11 dnsIp12 45 www.pauschalreisen.xyz 25->45 59 Performs DNS queries to domains with low reputation 25->59 61 Modifies the context of a thread in another process (thread injection) 25->61 63 Maps a DLL or memory area into another process 25->63 65 Tries to detect virtualization through RDTSC time measurements 25->65 29 cmd.exe 1 25->29         started        signatures13 process14 process15 31 conhost.exe 29->31         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/cc86b6bbd5f6fc1caf1815dccac28f639f897c3990de4d6cdd89cf43a0575de5/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2022-04-15 13:18:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zsdlno6v636bzlyycxomvqupmopys7bzsdpe23g5rhhuhicxlxsq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1a3d6220039a56a84858474245db02a8f5eb7b2e9a81db937c78cd799a89c4b2
Formbook
28ea165a38e4b7a0329fa0317161c9bfc25913b2596a55501e16ae5dc0424a78
Formbook
51f5fdc281853c063658dc0640f3069d474747dc056945b9c38343fcea6ff0f7
Formbook
71da5f67c97d46f0a0a6b6fccb0629690ff520c23e54e6c67b17f35c97cbf09b
Formbook
952fbe116a1aac4f0082519a0dc920ee5dc48e58fe85abcc27b82ecc0ac4e54f
Formbook
95c6926c4af01e7a782b16967a66b3c349f24a6ab2393b1a20c47e28a1ad7249
Formbook
ece61a7e1773aa3be279569c92cbc8c326005d86965cc60ce37a283efe262b0e
Formbook
+ 14'704 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:3e9r loader rat suricata
Link:
https://tria.ge/reports/220415-qjx1psahaq/
Behaviour
Creates scheduled task(s)
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
f3676ce5fdcf3c851834336dda7b38ad174644b0a794234a0f1d2e55512f7176
MD5 hash:
8bf113bc6b32cd9f8b2465345612f7c6
SHA1 hash:
7932224cfcf575bb73a586a4738cc0f2aeae86fd
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/576be588-2078-4cc7-9605-ba79f2d210f9/
Parent samples :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 hash:
26d4625f4b224ae8ffa46ad70188a8466a872cbd3494c07ba672e7c56ee9cef0
MD5 hash:
63ac884ea4fb5dbe0b3fb68522285775
SHA1 hash:
9de68acf75533372e218b4b99f4017b659352fd1
Link:
https://www.unpac.me/results/576be588-2078-4cc7-9605-ba79f2d210f9/
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
Link:
https://www.unpac.me/results/576be588-2078-4cc7-9605-ba79f2d210f9/
SH256 hash:
cc86b6bbd5f6fc1caf1815dccac28f639f897c3990de4d6cdd89cf43a0575de5
MD5 hash:
020e60eea786dc86f14d38b0223751d2
SHA1 hash:
91b0c0c4576e9fa1e5f43ad8ec234d7310dd011a
Link:
https://www.unpac.me/results/576be588-2078-4cc7-9605-ba79f2d210f9/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/cc86b6bbd5f6/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.51
Link:
https://yomi.yoroi.company/submissions/cc86b6bbd5f6fc1caf1815dccac28f639f897c3990de4d6cdd89cf43a0575de5

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
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 cc86b6bbd5f6fc1caf1815dccac28f639f897c3990de4d6cdd89cf43a0575de5

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/263988/

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