MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a5d049127c3a6a9f312abcf4ed2f8ee10f982b0f8e85e740fb166f70b67620dd. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a5d049127c3a6a9f312abcf4ed2f8ee10f982b0f8e85e740fb166f70b67620dd
SHA3-384 hash: f24ec261ad751581d769ba1c027a8f51897a30f0c2b2901f94f08c25be66a6dd1d07bc32105eb633c7f38a4eef949b08
SHA1 hash: 8538293c811a3e8290fd9ed60bb5e4f5ab9843ad
MD5 hash: 2fc4ab028a0b12f36f20a929118f42c2
humanhash: nitrogen-zebra-carbon-south
File name:2fc4ab028a0b12f36f20a929118f42c2
Download: download sample
Signature Formbook
Create hunting rule
File size:679'424 bytes
First seen:2022-05-24 06:59:25 UTC
Last seen:2022-05-24 12:10:58 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 12288:6Nb+w3wPx5D2K7ymE/VX+zLAh3LelTnz9WaCrWNkcDYfWFDaGDZdBkN40:wwPxJb7V+Z+zgETnzeWfDYOZH4
Threatray 12'295 similar samples on MalwareBazaar
TLSH T11CE4025332ADE997C46A1CFC64B9528203B4C33C6467E3C91CD5A9F659C1FC12ECA98B
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)
File icon (PE):PE icon
dhash icon d2961d3133038ee8 (24 x AgentTesla, 18 x FormBook, 8 x Loki)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
4
# of downloads :
323
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
PurchaseXOrderX05242022.xlsx
Verdict:
Malicious activity
Analysis date:
2022-05-24 06:13:43 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader formbook trojan stealer
Link:
https://app.any.run/tasks/45467446-2b47-4469-8cf1-b57c3d63f72b

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/273965/
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed wacatac
Link:
https://www.filescan.io/uploads/628c82af6eb3ff326326c965/reports/8b1880bb-857f-43a8-85ec-0105bcc00654/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/c4e17590-0bfb-4fa2-8f9a-a7ee586dd735
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1000410
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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
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
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 632906 Sample: RSDywTSCMP Startdate: 24/05/2022 Architecture: WINDOWS Score: 100 39 zedrecruiter.com 2->39 41 www.zedrecruiter.com 2->41 43 2 other IPs or domains 2->43 51 Snort IDS alert for network traffic 2->51 53 Found malware configuration 2->53 55 Malicious sample detected (through community Yara rule) 2->55 57 8 other signatures 2->57 9 RSDywTSCMP.exe 7 2->9         started        signatures3 process4 file5 33 C:\Users\user\AppData\...\rUGBXJAIQlKw.exe, PE32 9->33 dropped 35 C:\Users\user\AppData\Local\...\tmpAEFC.tmp, XML 9->35 dropped 37 C:\Users\user\AppData\...\RSDywTSCMP.exe.log, ASCII 9->37 dropped 61 Uses schtasks.exe or at.exe to add and modify task schedules 9->61 63 Adds a directory exclusion to Windows Defender 9->63 65 Tries to detect virtualization through RDTSC time measurements 9->65 13 RSDywTSCMP.exe 9->13         started        16 powershell.exe 25 9->16         started        18 schtasks.exe 1 9->18         started        20 RSDywTSCMP.exe 9->20         started        signatures6 process7 signatures8 67 Modifies the context of a thread in another process (thread injection) 13->67 69 Maps a DLL or memory area into another process 13->69 71 Sample uses process hollowing technique 13->71 73 Queues an APC in another process (thread injection) 13->73 22 explorer.exe 13->22 injected 26 conhost.exe 16->26         started        28 conhost.exe 18->28         started        process9 dnsIp10 45 digitalworkoption.com 217.21.84.73, 49764, 80 IPPLANET-ASIL United Kingdom 22->45 47 www.oota513.com 22->47 49 5 other IPs or domains 22->49 59 System process connects to network (likely due to code injection or exploit) 22->59 30 control.exe 22->30         started        signatures11 process12 signatures13 75 Modifies the context of a thread in another process (thread injection) 30->75 77 Maps a DLL or memory area into another process 30->77 79 Tries to detect virtualization through RDTSC time measurements 30->79
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a5d049127c3a6a9f312abcf4ed2f8ee10f982b0f8e85e740fb166f70b67620dd/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-05-24 07:00:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
2de49b3102da5350531a70b7d670ce8c1a9da5d664d7530325780b9d19aed395
Formbook
3f38d14b57be8821c36b5a3b35fee281a0371fb2b41cbecb2f788c29a34f05ef
Formbook
71ed38b5c950b506cced8e7d12d773bb1fa20daadf3570a98577054749caadfe
Formbook
7c9b9fd316c451b92af97cb1c8caf087ab4ab69fbe9f8b79f2acc2757b52d6a0
Formbook
af9d760cb99f11e3c067147897227817455fb9cea10e5db1b08dd582ca795a5e
Formbook
b0d8448b8f1001c389a1d64989666d531e4a82339d3f63c3156a078af86ebbcf
Formbook
bbf76a25feb60b000b42552adce5f72d871a82d6c6ed3bb72a7f8d94c8886f4d
Formbook
c3d22e98a8fffa462b6924bdd9293d8f5fa31e9d95e667adba83e0d404d46ef2
Formbook
d28ec863f551e43cf222a709ffea536ae6ab72833ede819c28db0dc91f50f024
Formbook
e793dac4e4c4c8553c02cbe177b1de4759bf777d150eca151c53e9c58f6b23d3
Formbook
+ 12'285 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:orte loader rat
Link:
https://tria.ge/reports/220524-hsm8vsbagm/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Xloader Payload
Xloader
Unpacked files
SH256 hash:
425290f5bab40f29549ad09434e1210df7c61ff5de2da3a65e2b43edc7a867b1
MD5 hash:
690c78ee26650a65dbc93d3fa23a59f3
SHA1 hash:
7f44b05190c723497c342424fa7872d534abc8ba
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/243091ee-b862-4cd6-8a49-0fe5a3f6d9e1/
Parent samples :
71ed38b5c950b506cced8e7d12d773bb1fa20daadf3570a98577054749caadfe
a5d049127c3a6a9f312abcf4ed2f8ee10f982b0f8e85e740fb166f70b67620dd
a1726f588e0d03a3522f60d177448bfd7a5355133cfd725be8198c1cca68b51c
c04708f604cea2a594be750922eeaa181acadef6dc4669dec3dd4b07e40914a1
SH256 hash:
7fc3a061a6e1994477839381444ed4f983946612d0089e6831bd2bade175f9ca
MD5 hash:
748acb34a51e6c4974b38c39ae84f3fe
SHA1 hash:
89b81512a0111f8c4e43387fd26cc253b35fa07e
Link:
https://www.unpac.me/results/243091ee-b862-4cd6-8a49-0fe5a3f6d9e1/
SH256 hash:
0ce7668a32bdef64d03efb2eed885c01bd982d5b58819c14f676c10fab3fa508
MD5 hash:
433ab5fd0baa53c2417df2db6ef31b75
SHA1 hash:
6a782c18241b83f28bd3fd0343877784d637d95a
Link:
https://www.unpac.me/results/243091ee-b862-4cd6-8a49-0fe5a3f6d9e1/
SH256 hash:
89b6c510f79fd2dbff97adcf14a4e0a6fbf57014b5bf7eaca50148680eed664a
MD5 hash:
0c90503a4dbb738a5c1703063ea9689c
SHA1 hash:
1793b6fb2691b322537411e29e4689fa0b235a90
Link:
https://www.unpac.me/results/243091ee-b862-4cd6-8a49-0fe5a3f6d9e1/
SH256 hash:
a5d049127c3a6a9f312abcf4ed2f8ee10f982b0f8e85e740fb166f70b67620dd
MD5 hash:
2fc4ab028a0b12f36f20a929118f42c2
SHA1 hash:
8538293c811a3e8290fd9ed60bb5e4f5ab9843ad
Link:
https://www.unpac.me/results/243091ee-b862-4cd6-8a49-0fe5a3f6d9e1/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a5d049127c3a/report/overview.html
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/a5d049127c3a6a9f312abcf4ed2f8ee10f982b0f8e85e740fb166f70b67620dd

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.

Web download

Formbook

Executable exe a5d049127c3a6a9f312abcf4ed2f8ee10f982b0f8e85e740fb166f70b67620dd

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/273965/
  
URLhaus
https://urlhaus.abuse.ch/url/2208972/

Comments


Avatar
zbet commented on 2022-05-24 06:59:30 UTC

url : hxxp://13.55.233.37/diskoncloud/csrss.exe