MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 25e097a39a96c50952ce3e8131cbd7c80914e7fd1cfd57ae4eb9397a597b47e0. 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: 17


Intelligence 17 IOCs YARA 2 File information Comments 1
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SHA256 hash: 25e097a39a96c50952ce3e8131cbd7c80914e7fd1cfd57ae4eb9397a597b47e0
SHA3-384 hash: caf511c73c5ddbabaf45bdd0ab1db2739b71d880b1e94218adef8d62d11b283699225536467c5bc3337736bcfa4d7a15
SHA1 hash: 9ad19bc87357844fdf260846ae22fca871d2d23b
MD5 hash: 89329d5788f5b0b0be3f4e481bad6754
humanhash: delaware-single-carbon-delaware
File name:89329d5788f5b0b0be3f4e481bad6754
Download: download sample
Signature Formbook
Create hunting rule
File size:454'656 bytes
First seen:2022-06-13 16:17:37 UTC
Last seen:2022-06-13 16:49:41 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:wIlBafvIiri3O1dgiEDuOBKg4Iw4L4sZJ4c0T:lmfFi3gEDuiJWMJ4c0T
TLSH T1AAA422219B65567FFF6D097ECCB2118C17FAA15A250BF3AD7C42A4FA251C3D01182EA3
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 0022a3a2b8a6e610 (16 x Formbook, 7 x AgentTesla, 6 x Loki)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
298
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
89329d5788f5b0b0be3f4e481bad6754
Verdict:
Malicious activity
Analysis date:
2022-06-13 16:21:57 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/636088e0-e1ef-4261-9034-a25dfb3efbcf

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/279478/
Detection(s):
SecuriteInfo.com.Trojan.Siggen18.7223.16524.20834.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62a7633d96efd87b05f663ec/reports/e2744936-c502-4c8b-8bba-8c1ace197485/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/ddae268f-4935-4dde-baaa-39f288d4c63f
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1012211
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in 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)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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: 644711 Sample: HZ533uSo7V Startdate: 13/06/2022 Architecture: WINDOWS Score: 100 29 Malicious sample detected (through community Yara rule) 2->29 31 Antivirus detection for URL or domain 2->31 33 Multi AV Scanner detection for submitted file 2->33 35 6 other signatures 2->35 10 HZ533uSo7V.exe 3 2->10         started        process3 file4 27 C:\Users\user\AppData\...\HZ533uSo7V.exe.log, ASCII 10->27 dropped 13 RegSvcs.exe 10->13         started        process5 signatures6 43 Modifies the context of a thread in another process (thread injection) 13->43 45 Maps a DLL or memory area into another process 13->45 47 Sample uses process hollowing technique 13->47 49 2 other signatures 13->49 16 explorer.exe 13->16 injected process7 process8 18 wscript.exe 16->18         started        signatures9 37 Modifies the context of a thread in another process (thread injection) 18->37 39 Maps a DLL or memory area into another process 18->39 41 Tries to detect virtualization through RDTSC time measurements 18->41 21 cmd.exe 1 18->21         started        23 explorer.exe 2 158 18->23         started        process10 process11 25 conhost.exe 21->25         started       
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/25e097a39a96c50952ce3e8131cbd7c80914e7fd1cfd57ae4eb9397a597b47e0/
Threat name:
Win32.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-06-13 16:18:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=exqjpi42s3cqsuwoh2atds6xzaerjz75dt6vplsoxe4xuwl3i7qa._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
xloader
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Score:
  10/10
Tags:
family:formbook family:xloader campaign:uf61 loader persistence rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220613-trx78adee6/
Behaviour
Modifies Internet Explorer settings
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
Drops file in Program Files directory
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Adds policy Run key to start application
Xloader Payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
dec15271d422cf3b82c0a94cf147312bb5a4a4f262da4b698ffe7e6bdaf18053
MD5 hash:
79c5c39e29ebe233cd13a50987e64609
SHA1 hash:
0560314716e6519158009159c017d2b52116608e
Link:
https://www.unpac.me/results/08d01151-94ff-4dd0-aa71-5a67bf5d21c8/
SH256 hash:
4db9e18c5e68bea54e7dd6d7e12a532eb772aec2461d2a1b0a740f601dbfd902
MD5 hash:
e56a6e31afa3d0760dac41537dba17c9
SHA1 hash:
836b1183f2c4d92db48f5b6a2aaaf53c3b58c533
Link:
https://www.unpac.me/results/08d01151-94ff-4dd0-aa71-5a67bf5d21c8/
SH256 hash:
fdf4577d857ed6100cbc1deca7ba96fa5fdf5969935f941fd3f739aa07b0c41d
MD5 hash:
a9683dae1f3b02de890ab64589326951
SHA1 hash:
ddab40ce14796baa6db681dcd22dc3fe1c8088af
Link:
https://www.unpac.me/results/08d01151-94ff-4dd0-aa71-5a67bf5d21c8/
SH256 hash:
fb07f60ee6a1e9b8a1b7b24de6c6c7db0de5ae9e168481a4186aec70466b0acf
MD5 hash:
8ffc428072f3ce21b01f01dc01f44da9
SHA1 hash:
4d4a843c9a567467ec7bc235d3e8baf6bf41d4dd
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/08d01151-94ff-4dd0-aa71-5a67bf5d21c8/
Parent samples :
25e097a39a96c50952ce3e8131cbd7c80914e7fd1cfd57ae4eb9397a597b47e0
1dd4706e28574d8264b71a81fb98fe5fe90da19036a3d096405c8a5259f1b0b9
4b3f362d3387425cabf5d14c5aa48002769c4e876398dae8b797870c99752db0
SH256 hash:
25e097a39a96c50952ce3e8131cbd7c80914e7fd1cfd57ae4eb9397a597b47e0
MD5 hash:
89329d5788f5b0b0be3f4e481bad6754
SHA1 hash:
9ad19bc87357844fdf260846ae22fca871d2d23b
Link:
https://www.unpac.me/results/08d01151-94ff-4dd0-aa71-5a67bf5d21c8/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/25e097a39a96/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/25e097a39a96c50952ce3e8131cbd7c80914e7fd1cfd57ae4eb9397a597b47e0

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 25e097a39a96c50952ce3e8131cbd7c80914e7fd1cfd57ae4eb9397a597b47e0

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2236572/
Cape
Cape
https://www.capesandbox.com/analysis/279478/

Comments


Avatar
zbet commented on 2022-06-13 16:17:42 UTC

url : hxxp://2.58.149.41/chiddyzx.exe