MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c79bd4c69c806e1516f6cf2160ffa1172e074fbe652bd3793f661aaa39cccab9. 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: 15


Intelligence 15 IOCs YARA 5 File information Comments
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SHA256 hash: c79bd4c69c806e1516f6cf2160ffa1172e074fbe652bd3793f661aaa39cccab9
SHA3-384 hash: 3f7d76d3a059c02a5806aa0236df02f81179bbfa2af2b919dc26d658c52b8e165fbb6caa24e834159bc1803be434746d
SHA1 hash: 2e6ba4c7b2f527bb4413b0c87cf2daa213d8daa9
MD5 hash: 4abe5720d3fbeb021ca029691fdb617a
humanhash: cold-coffee-eighteen-kansas
File name:PO#5443788921445GRTATTMCD.exe
Download: download sample
Signature Formbook
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File size:863'744 bytes
First seen:2022-09-20 18:58:48 UTC
Last seen:2022-09-28 07:10:53 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:Xpu876eIp0akH7LKAiS9GSwR2dgwqacHQVMLTQKrNmjgb9eBDDq:E8+eIpVkHHF9wkePHpTQKrIjWeB
TLSH T14805BF14126DCA06C879AA70CCD3E2711BEB5DD5425AC23789DBBCB7F136358E893362
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)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
285
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
PO#5443788921445GRTATTMCD.exe
Verdict:
Malicious activity
Analysis date:
2022-09-20 19:01:16 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/e60a3095-c2aa-4550-84f8-5e3fd6365b34

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/311798/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.8082-49972.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/632a0df836ba812561a3c005/reports/66162d0b-5ed4-44df-a297-c5bf5a72e504/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/d90c85ac-c3ca-46f2-86c4-4ba464cd70a9
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1074034
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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 domain / URL
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
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 signatures2 2 Behavior Graph ID: 706576 Sample: PO#5443788921445GRTATTMCD.exe Startdate: 20/09/2022 Architecture: WINDOWS Score: 100 48 Multi AV Scanner detection for domain / URL 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 Sigma detected: Scheduled temp file as task from temp location 2->52 54 8 other signatures 2->54 10 PO#5443788921445GRTATTMCD.exe 7 2->10         started        process3 file4 38 C:\Users\user\AppData\Roaming38SvTQkR.exe, PE32 10->38 dropped 40 C:\Users\user\AppData\Local\...\tmpA1AB.tmp, XML 10->40 dropped 42 C:\...\PO#5443788921445GRTATTMCD.exe.log, ASCII 10->42 dropped 58 Uses schtasks.exe or at.exe to add and modify task schedules 10->58 60 Adds a directory exclusion to Windows Defender 10->60 62 Tries to detect virtualization through RDTSC time measurements 10->62 64 Injects a PE file into a foreign processes 10->64 14 PO#5443788921445GRTATTMCD.exe 10->14         started        17 powershell.exe 19 10->17         started        19 schtasks.exe 1 10->19         started        21 PO#5443788921445GRTATTMCD.exe 10->21         started        signatures5 process6 signatures7 66 Modifies the context of a thread in another process (thread injection) 14->66 68 Maps a DLL or memory area into another process 14->68 70 Sample uses process hollowing technique 14->70 72 Queues an APC in another process (thread injection) 14->72 23 explorer.exe 14->23 injected 27 conhost.exe 17->27         started        29 conhost.exe 19->29         started        process8 dnsIp9 44 alianzaprosperar.com 192.185.131.238, 80 UNIFIEDLAYER-AS-1US United States 23->44 46 www.alianzaprosperar.com 23->46 56 System process connects to network (likely due to code injection or exploit) 23->56 31 cmmon32.exe 23->31         started        signatures10 process11 signatures12 74 Modifies the context of a thread in another process (thread injection) 31->74 76 Maps a DLL or memory area into another process 31->76 78 Tries to detect virtualization through RDTSC time measurements 31->78 34 cmd.exe 1 31->34         started        process13 process14 36 conhost.exe 34->36         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/c79bd4c69c806e1516f6cf2160ffa1172e074fbe652bd3793f661aaa39cccab9/
Threat name:
ByteCode-MSIL.Trojan.FormBook
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Status:
Malicious
First seen:
2022-09-20 18:57:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=y6n5jru4qbxbkfxwz4qwb75bc4xaot56muv5g6j7mynkuoomzk4q._file
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:lsg6 rat spyware stealer trojan
Link:
https://tria.ge/reports/220920-xm276ahger/
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
Deletes itself
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/10768211-3b5e-497b-96fc-d1bdc0443dff
Unpacked files
SH256 hash:
2b973882d230daec9bb453ade787729b8a2425f237a43cec483b87ab3c78811b
MD5 hash:
bebc1db2e8261b4ba9d191b90789d92c
SHA1 hash:
dc241d081836dde0be5ac13e2eb5e66af5e2b640
Detections:
FormBook
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win_formbook_auto
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win_formbook_g0
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Link:
https://www.unpac.me/results/e2912145-f986-4403-aa46-ca39983feb66/
Parent samples :
ba31a3552408e0705d29a1021b662de94a2adda9f5e994ed99ac78c89ff32f18
877b26e0bec03030ed3d0d7a92c53c46e6f696df51be924817421f1685d21b50
96df49e0deef67a2fc032cf1018662606bdef066655c1f31f135ccf8e68bace5
70d121cfabbbf118335b8ae4f6a3a072f09ce2f11bd73c711120fa9070d608e3
a0bb4aba51b98f18ee5fb62cca841faf2e7aabb304300cc7d4d90125cba09d61
c79bd4c69c806e1516f6cf2160ffa1172e074fbe652bd3793f661aaa39cccab9
51f2aed60e4e94e4ff442a809b63f4dd3a05b2b0e8d6dad5e595f7c2a01f892b
cd5be9697ae42581a073c8bb97da6b7d67becea5e83b4dc259b0e47ef54029d9
e8911ed914364aaa1dbffcfe55c53e2932e9f38ea490523a8bcaf8e13633187a
SH256 hash:
44a14ffbe5cd74eacd4cd676f4377228ef3068a9afd913b0dba9d08255a68793
MD5 hash:
96e8951fd41321031b64b61b4f34d9fa
SHA1 hash:
890b1139236e108ccfab00de09c4a8e331a9a2c2
Link:
https://www.unpac.me/results/e2912145-f986-4403-aa46-ca39983feb66/
SH256 hash:
c2d833443b1b0828f73e6bdb35c6a29940af07dd1c1a53e93d89eeb826f63b45
MD5 hash:
43bd95369c8003885fd813edef2d9033
SHA1 hash:
1e1e4770fd2545e201bb43e4420333aa65f04a53
Link:
https://www.unpac.me/results/e2912145-f986-4403-aa46-ca39983feb66/
SH256 hash:
44c50087cbd9a86677ff5b898c1ad52abf5f25297179a174edcc8b81dec967fc
MD5 hash:
d012ba9057bf67c7f29871326f2af919
SHA1 hash:
1d5b8b512b37f0e1900496b578117082929654c7
Link:
https://www.unpac.me/results/e2912145-f986-4403-aa46-ca39983feb66/
SH256 hash:
e20ec8f3c957bcb6a194ef688bae8af2015cfffb20e7baf8b2114d7b70ade4ee
MD5 hash:
35cb29046968faca7f3f3b4463449b6c
SHA1 hash:
088c8c30ec1bece0a4b5bbfe3982b073f8b95598
Link:
https://www.unpac.me/results/e2912145-f986-4403-aa46-ca39983feb66/
SH256 hash:
c79bd4c69c806e1516f6cf2160ffa1172e074fbe652bd3793f661aaa39cccab9
MD5 hash:
4abe5720d3fbeb021ca029691fdb617a
SHA1 hash:
2e6ba4c7b2f527bb4413b0c87cf2daa213d8daa9
Link:
https://www.unpac.me/results/e2912145-f986-4403-aa46-ca39983feb66/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c79bd4c69c80/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/c79bd4c69c806e1516f6cf2160ffa1172e074fbe652bd3793f661aaa39cccab9

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:crime_win32_ransom_avaddon_1
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Author:@VK_Intel
Description:Detects Avaddon ransomware
Reference:https://twitter.com/VK_Intel/status/1300944441390370819
Rule name:meth_get_eip
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Author:Willi Ballenthin
Rule name:RansomwareTest4
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Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:RansomwareTest5
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Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:RansomwareTest7
Create hunting rule
Author:Daoyuan Wu
Description:Test Ransomware YARA rules

File information

The table below shows additional information about this malware sample such as delivery method and external references.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/311798/

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