MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d25c09325730c28d2059f1a830339f9fa2175999f4b4f2be4825cc6f6731ae4b. 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: d25c09325730c28d2059f1a830339f9fa2175999f4b4f2be4825cc6f6731ae4b
SHA3-384 hash: 7b784dae2e5346dc1957c3a65f7f35197e0a5951211e5e6e556913b54048393addee0eae174e3a3bc6c071ce03a1e23b
SHA1 hash: 4c859a5c04eed76a8ff88098f41fef4259a3e691
MD5 hash: d99da415258d1f592d06758b2d132212
humanhash: nitrogen-cat-lima-louisiana
File name:d25c09325730c28d2059f1a830339f9fa2175999f4b4f2be4825cc6f6731ae4b
Download: download sample
Signature Formbook
Create hunting rule
File size:752'640 bytes
First seen:2023-01-10 13:02:28 UTC
Last seen:2023-01-10 14:32:41 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:eZZcf+mDXttarruVBDUJvnVhEH8c+9eQlJeH075w0fHSKfsyCfVAJRWKa2UZMeK3:esH80IeUeKVoQRWeJxQEY9L3
TLSH T1DDF4AE073388345DE473483A469B3F849420EA5FAA97EF5D0123DC3BF8D91D69E84DA6
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
176
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d25c09325730c28d2059f1a830339f9fa2175999f4b4f2be4825cc6f6731ae4b
Verdict:
Malicious activity
Analysis date:
2023-01-10 13:01:25 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/680da084-359c-41b2-baf3-35adf76f85b3

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/351528/
Detection(s):
SecuriteInfo.com.Variant.Tedy.263659.18861.10240.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/63bd620883a5ae8cb4a851fa/reports/3ddc760e-acfb-4235-81c2-02f5e7493ac8/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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/fd296ae0-91ca-45a4-a34f-81e353b52a80
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1148766
Signature
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses ipconfig to lookup or modify the Windows network settings
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 signatures2 2 Behavior Graph ID: 781498 Sample: CZokIbtq8Y.exe Startdate: 10/01/2023 Architecture: WINDOWS Score: 100 63 Malicious sample detected (through community Yara rule) 2->63 65 Antivirus detection for URL or domain 2->65 67 Sigma detected: Scheduled temp file as task from temp location 2->67 69 7 other signatures 2->69 10 CZokIbtq8Y.exe 7 2->10         started        14 ATvjSd.exe 5 2->14         started        process3 file4 47 C:\Users\user\AppData\Roaming\ATvjSd.exe, PE32 10->47 dropped 49 C:\Users\user\...\ATvjSd.exe:Zone.Identifier, ASCII 10->49 dropped 51 C:\Users\user\AppData\Local\...\tmp5D32.tmp, XML 10->51 dropped 53 C:\Users\user\AppData\...\CZokIbtq8Y.exe.log, ASCII 10->53 dropped 77 Detected unpacking (changes PE section rights) 10->77 79 Detected unpacking (overwrites its own PE header) 10->79 81 Uses schtasks.exe or at.exe to add and modify task schedules 10->81 83 Adds a directory exclusion to Windows Defender 10->83 16 CZokIbtq8Y.exe 10->16         started        19 powershell.exe 21 10->19         started        21 schtasks.exe 1 10->21         started        23 CZokIbtq8Y.exe 10->23         started        85 Multi AV Scanner detection for dropped file 14->85 87 Machine Learning detection for dropped file 14->87 89 Tries to detect virtualization through RDTSC time measurements 14->89 25 ATvjSd.exe 14->25         started        27 schtasks.exe 1 14->27         started        signatures5 process6 signatures7 55 Modifies the context of a thread in another process (thread injection) 16->55 57 Maps a DLL or memory area into another process 16->57 59 Sample uses process hollowing technique 16->59 61 Queues an APC in another process (thread injection) 16->61 29 explorer.exe 16->29 injected 32 conhost.exe 19->32         started        34 conhost.exe 21->34         started        36 conhost.exe 27->36         started        process8 signatures9 91 Uses ipconfig to lookup or modify the Windows network settings 29->91 38 systray.exe 29->38         started        41 ipconfig.exe 29->41         started        process10 signatures11 71 Modifies the context of a thread in another process (thread injection) 38->71 73 Maps a DLL or memory area into another process 38->73 75 Tries to detect virtualization through RDTSC time measurements 38->75 43 cmd.exe 1 38->43         started        process12 process13 45 conhost.exe 43->45         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d25c09325730c28d2059f1a830339f9fa2175999f4b4f2be4825cc6f6731ae4b/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-12-26 06:07:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2joasmsxgdbi2icz6gudam47t6rbowmz6s2pfpsiexgg6zzrvzfq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:as48 rat spyware stealer trojan
Link:
https://tria.ge/reports/230110-qacy6sbh3x/
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
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/4f1357e6-d398-44f7-9ce8-d5cfb98502d3
Unpacked files
SH256 hash:
8f689b14c9a8a0c93ec4c8d9dfae19a5938eaba8ef41c6f80b032edd9699f999
MD5 hash:
e1071905b7414a2e803906a0c041ef7b
SHA1 hash:
3cdfe368db7f04bcd6cdfa5d36419b59d15e2c1f
Detections:
FormBook
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/bea3dafe-b048-4a13-9f16-d7a6e032dc51/
Parent samples :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 hash:
fc6485350cf55dc14ecbfd9b91b7a9979f61023b4104101e9f351caa6c73abaa
MD5 hash:
6c3fdb2b5d93cf814ea1b6ca05a0efcf
SHA1 hash:
f8ae5f9fa1c9b6b0e47b2f0873d2ee3373e0ebf5
Link:
https://www.unpac.me/results/bea3dafe-b048-4a13-9f16-d7a6e032dc51/
SH256 hash:
476d6f9d444b3037ba4f5f8f4bce4413ed7ca38b151a05f3fc5269f615ec61c5
MD5 hash:
8de933bff1e96e6c397d58d29479fbf6
SHA1 hash:
3d73cd80537f7707826ec7f549ae90fd27221a97
Link:
https://www.unpac.me/results/bea3dafe-b048-4a13-9f16-d7a6e032dc51/
SH256 hash:
ff1b42ea7d56a37eae801adbddb7116f52a4664c0b41302736f522852edc2747
MD5 hash:
89ac57478044c57c7195943116a521e0
SHA1 hash:
1ff2bafeed795423e3538d810bda8e1e3fcdcfa5
Link:
https://www.unpac.me/results/bea3dafe-b048-4a13-9f16-d7a6e032dc51/
SH256 hash:
764de7f390d23f6e49cb2a7c585c999aae8c9054277f32f424d5e4caa11d745b
MD5 hash:
e92877c8f8278c7c08615791d8c3076e
SHA1 hash:
12a9912625f6c87bfe2e93604836d900e3f0849e
Link:
https://www.unpac.me/results/bea3dafe-b048-4a13-9f16-d7a6e032dc51/
SH256 hash:
d25c09325730c28d2059f1a830339f9fa2175999f4b4f2be4825cc6f6731ae4b
MD5 hash:
d99da415258d1f592d06758b2d132212
SHA1 hash:
4c859a5c04eed76a8ff88098f41fef4259a3e691
Link:
https://www.unpac.me/results/bea3dafe-b048-4a13-9f16-d7a6e032dc51/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/d25c09325730/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.87
Link:
https://yomi.yoroi.company/submissions/d25c09325730c28d2059f1a830339f9fa2175999f4b4f2be4825cc6f6731ae4b

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.

Cape
Cape
https://www.capesandbox.com/analysis/351528/

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