MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1877648fdaaeb4d9cc21527eb8c3d5609b41333d886f73837a4fd3a2116d9973. 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
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SHA256 hash: 1877648fdaaeb4d9cc21527eb8c3d5609b41333d886f73837a4fd3a2116d9973
SHA3-384 hash: 8c6f92cb5514f0e0b5fb49cb234d8d8b3cec7d09215c7b98ffe39ea69d7b81df22d3d8614f6eac2bb495bc474e59dded
SHA1 hash: 804a5d86627f6a4230341588fed6cf8b6868d618
MD5 hash: aeadda52e3977a116c55b3989c99e0dd
humanhash: nitrogen-avocado-seventeen-spring
File name:aeadda52e3977a116c55b3989c99e0dd
Download: download sample
Signature Formbook
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File size:940'032 bytes
First seen:2022-07-11 10:00:45 UTC
Last seen:2022-07-11 12:55:30 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 24576:JQcA9jblo1Ajr5dRE9VhtiuanrtygrYs:CcANblo1eveiuan5Ys
TLSH T1FB15E1CEA124EA90E12A053C31FEE3D055A1AC7AC9DD7DCEB961703D49F0A76241B6C7
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 f0ccf096c8f2ccf0 (15 x AgentTesla, 7 x Formbook, 5 x Loki)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
4
# of downloads :
235
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
aeadda52e3977a116c55b3989c99e0dd
Verdict:
Malicious activity
Analysis date:
2022-07-11 19:57:29 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/cbde7519-1bc5-4d90-900f-b16ac4256259

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/286146/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.16348.17533.UNOFFICIAL
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Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed wacatac
Link:
https://www.filescan.io/uploads/62cbf51e22051a09ca716aac/reports/d9fd5048-87b0-40e7-b8af-a736965d644e/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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/aa62920c-f056-4cad-8f29-f951acb9bd78
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1028423
Signature
.NET source code contains potential unpacker
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)
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 dnsIp2 2 Behavior Graph ID: 660918 Sample: CzsNHUwJav Startdate: 11/07/2022 Architecture: WINDOWS Score: 100 31 www.listgooeys.com 2->31 33 www.encrypted-msdrive.com 2->33 37 Snort IDS alert for network traffic 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 Multi AV Scanner detection for submitted file 2->41 43 6 other signatures 2->43 11 CzsNHUwJav.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\CzsNHUwJav.exe.log, ASCII 11->29 dropped 53 Tries to detect virtualization through RDTSC time measurements 11->53 55 Injects a PE file into a foreign processes 11->55 15 CzsNHUwJav.exe 11->15         started        signatures6 process7 signatures8 57 Modifies the context of a thread in another process (thread injection) 15->57 59 Maps a DLL or memory area into another process 15->59 61 Sample uses process hollowing technique 15->61 63 Queues an APC in another process (thread injection) 15->63 18 explorer.exe 15->18 injected process9 dnsIp10 35 www.encrypted-msdrive.com 164.92.142.166, 80 ASN-DPSDUS United States 18->35 45 System process connects to network (likely due to code injection or exploit) 18->45 22 wscript.exe 18->22         started        signatures11 process12 signatures13 47 Modifies the context of a thread in another process (thread injection) 22->47 49 Maps a DLL or memory area into another process 22->49 51 Tries to detect virtualization through RDTSC time measurements 22->51 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/1877648fdaaeb4d9cc21527eb8c3d5609b41333d886f73837a4fd3a2116d9973/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-07-11 10:01:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=db3wjd62v22nttbbkj7lrq6vmcnucmz5rbxxha32j7j2eelntfzq._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:r2h9 rat spyware stealer trojan
Link:
https://tria.ge/reports/220711-l175sagban/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
e1f6114e152b9ce6c9a1cc7be2315999eda0b5c29bc830bc7ce155f6a61505c5
MD5 hash:
99192d05c75157e591096d3427eb317c
SHA1 hash:
71102b041c769397dd357b2216c494bc69b76da7
Detections:
win_formbook_g0
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win_formbook_auto
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FormBook
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Link:
https://www.unpac.me/results/fae70932-cd4f-4aec-bbdc-536a639e0cc6/
Parent samples :
1877648fdaaeb4d9cc21527eb8c3d5609b41333d886f73837a4fd3a2116d9973
ddb347fd5862e0acada07e431285ab4726054d3481fb42c52707ba66c7276872
SH256 hash:
9c1976e88e01c5bc9e1d8a3847526f71d3299ca734172c6844ec22ed754edb88
MD5 hash:
185641010a60120fb89d3a038eb13c04
SHA1 hash:
4db48b05e9db47bae62277fbb869383a4e61ca3d
Link:
https://www.unpac.me/results/fae70932-cd4f-4aec-bbdc-536a639e0cc6/
SH256 hash:
0fae1855c65d635d55e5f6aa450d8c9f3bd63c5cb4ef8e7d6947757b6c4a812e
MD5 hash:
51b3e4f94acfd5f6febdeda4f4e09db3
SHA1 hash:
c526c72601e747287c80aebb4357e6091aa2a960
Link:
https://www.unpac.me/results/fae70932-cd4f-4aec-bbdc-536a639e0cc6/
SH256 hash:
ace3176680264e32f81abffbfde0f487951be6d018e4031d753d5e58aee81cab
MD5 hash:
b791318de978b506a7b4900b065706cc
SHA1 hash:
93e2eae62172bdec68c743a0d19825cb470657c3
Link:
https://www.unpac.me/results/fae70932-cd4f-4aec-bbdc-536a639e0cc6/
SH256 hash:
883b63ef84c6b1cc09687962beca56e4f4b7960df7c5459e29998befaa3ccf15
MD5 hash:
ecb3f27eb8279c51608c8ea8f8050655
SHA1 hash:
82385d75444ab5fccacf37e2746c7dce73faa7f3
Link:
https://www.unpac.me/results/fae70932-cd4f-4aec-bbdc-536a639e0cc6/
SH256 hash:
1877648fdaaeb4d9cc21527eb8c3d5609b41333d886f73837a4fd3a2116d9973
MD5 hash:
aeadda52e3977a116c55b3989c99e0dd
SHA1 hash:
804a5d86627f6a4230341588fed6cf8b6868d618
Link:
https://www.unpac.me/results/fae70932-cd4f-4aec-bbdc-536a639e0cc6/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1877648fdaae/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/1877648fdaaeb4d9cc21527eb8c3d5609b41333d886f73837a4fd3a2116d9973

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.

Web download

Formbook

Executable exe 1877648fdaaeb4d9cc21527eb8c3d5609b41333d886f73837a4fd3a2116d9973

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2256262/
Cape
Cape
https://www.capesandbox.com/analysis/286146/

Comments


Avatar
zbet commented on 2022-07-11 10:01:01 UTC

url : hxxp://192.3.110.133/700/vbc.exe