MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 917e03484856f0980f2150822a231e0f73e3cef3f074ea1644dcbd1082590399. 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 2 File information Comments
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SHA256 hash: 917e03484856f0980f2150822a231e0f73e3cef3f074ea1644dcbd1082590399
SHA3-384 hash: 2f14849ba8995b7f5af3b98e3f49596c74e343c8b0aaab3d751ee6dbb26ce10c5c92782d7b83412e559ceb120af80a9b
SHA1 hash: 0364e572469a4bfb486c982348c7fa62ccb7e818
MD5 hash: 2aeb09e3b19012d3d2add45559422416
humanhash: spring-two-stream-lactose
File name:6109238.exe
Download: download sample
Signature Formbook
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File size:874'496 bytes
First seen:2022-08-08 15:19:34 UTC
Last seen:2022-08-16 08:58:39 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:QxgV10/5JdIBRMJ0bi7FbjVte9IbUDHDl:ogVWFIBRc0b4FL7U
TLSH T16C05AE5BBF10324DC9A7A975DE4B7C61A7F22C2E3226D0766517380E8AFF342DA11076
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
341
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
6109238.exe
Verdict:
Malicious activity
Analysis date:
2022-08-08 15:20:27 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/de26bbf2-014c-4516-8966-0213971e86d2

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/297165/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
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/62f12a1c47c1196f784680f6/reports/9578a4e3-3577-4a70-a806-2ca81e4fab21/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/d3d952d1-a8b2-4c3e-b55d-af435b2ffb84
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1047992
Signature
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
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
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: 680485 Sample: 6109238.exe Startdate: 08/08/2022 Architecture: WINDOWS Score: 100 42 Malicious sample detected (through community Yara rule) 2->42 44 Antivirus detection for URL or domain 2->44 46 Multi AV Scanner detection for dropped file 2->46 48 8 other signatures 2->48 10 6109238.exe 7 2->10         started        process3 file4 34 C:\Users\user\AppData\Roaming\eHkVrJJ.exe, PE32 10->34 dropped 36 C:\Users\user\...\eHkVrJJ.exe:Zone.Identifier, ASCII 10->36 dropped 38 C:\Users\user\AppData\Local\...\tmp1585.tmp, XML 10->38 dropped 40 C:\Users\user\AppData\...\6109238.exe.log, ASCII 10->40 dropped 50 Uses schtasks.exe or at.exe to add and modify task schedules 10->50 52 Adds a directory exclusion to Windows Defender 10->52 54 Tries to detect virtualization through RDTSC time measurements 10->54 56 Injects a PE file into a foreign processes 10->56 14 6109238.exe 10->14         started        17 powershell.exe 23 10->17         started        19 schtasks.exe 1 10->19         started        signatures5 process6 signatures7 64 Modifies the context of a thread in another process (thread injection) 14->64 66 Maps a DLL or memory area into another process 14->66 68 Sample uses process hollowing technique 14->68 70 Queues an APC in another process (thread injection) 14->70 21 explorer.exe 14->21 injected 23 conhost.exe 17->23         started        25 conhost.exe 19->25         started        process8 process9 27 help.exe 21->27         started        signatures10 58 Modifies the context of a thread in another process (thread injection) 27->58 60 Maps a DLL or memory area into another process 27->60 62 Tries to detect virtualization through RDTSC time measurements 27->62 30 cmd.exe 1 27->30         started        process11 process12 32 conhost.exe 30->32         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/917e03484856f0980f2150822a231e0f73e3cef3f074ea1644dcbd1082590399/
Threat name:
ByteCode-MSIL.Trojan.RealProtect
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Status:
Malicious
First seen:
2022-08-08 13:56:17 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=sf7agscik3yjqdzbkcbcuiy6b5z6htxt6b2oufse3s6rbaszaomq._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:g2i8 rat spyware stealer trojan
Link:
https://tria.ge/reports/220808-sqrtdacddl/
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
Unpacked files
SH256 hash:
1064e2d2eab0a80f27579839b00cac7ed17a0df9d1060ef0698630821bdc878e
MD5 hash:
6993ca72aaac824af1dc931066ab3a7e
SHA1 hash:
5313f3e955515013707f9ddfacf944f830f5851b
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/d8b62bdb-9e61-4979-804c-cdbe0bdb271d/
Parent samples :
c99761b04708d971b4fbcc26a660d2b86e5f5e27c44f4891c00b1b500029529b
917e03484856f0980f2150822a231e0f73e3cef3f074ea1644dcbd1082590399
SH256 hash:
a54b2559a0c634ecb9f77f58a9440d8b35344dbb30f9a5601bd3b134f8efc899
MD5 hash:
45a0a0350bc29a7a910f0b01cfd74edd
SHA1 hash:
a7a4fe00df3eb886058cf302cdca924bc191e5c6
Link:
https://www.unpac.me/results/d8b62bdb-9e61-4979-804c-cdbe0bdb271d/
SH256 hash:
642d5b8aa52ca35d8386a5b4302aa503d330753426dd950e6c2a47efdbb4b7e2
MD5 hash:
2e85fdecd9837f0895ee6568f97b3cfd
SHA1 hash:
a4df92cf9adfa1c7d26f6d19923cbfa4cbfc596f
Link:
https://www.unpac.me/results/d8b62bdb-9e61-4979-804c-cdbe0bdb271d/
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
Link:
https://www.unpac.me/results/d8b62bdb-9e61-4979-804c-cdbe0bdb271d/
SH256 hash:
8940b588da9ae98f367b92ad7e97624b22264f78999dacc5cb6fed10dd3bc4cf
MD5 hash:
793f851f43d872219265f2e0f9f51f6c
SHA1 hash:
13f868b0eefa25c8f033b6680352af575e21b6b6
Link:
https://www.unpac.me/results/d8b62bdb-9e61-4979-804c-cdbe0bdb271d/
SH256 hash:
917e03484856f0980f2150822a231e0f73e3cef3f074ea1644dcbd1082590399
MD5 hash:
2aeb09e3b19012d3d2add45559422416
SHA1 hash:
0364e572469a4bfb486c982348c7fa62ccb7e818
Link:
https://www.unpac.me/results/d8b62bdb-9e61-4979-804c-cdbe0bdb271d/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/917e03484856/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/917e03484856f0980f2150822a231e0f73e3cef3f074ea1644dcbd1082590399

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.

Malspam

Formbook

zip cd845d2b50188df37ca5f19aa981fa6f5afc602d7a168792f23150189de35899

Formbook

Executable exe 917e03484856f0980f2150822a231e0f73e3cef3f074ea1644dcbd1082590399

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/297165/
  
Dropped by
SHA256 cd845d2b50188df37ca5f19aa981fa6f5afc602d7a168792f23150189de35899
  
Dropped by
MD5 ab7a790f28ba0f34e1da9bcbf467cb4c

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