MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 efe299573660e349b6169b099708c6794d5b593095b9a81ac5000a9b18936252. 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: efe299573660e349b6169b099708c6794d5b593095b9a81ac5000a9b18936252
SHA3-384 hash: dd6058ff3019c5cfe63b61ab5a2a5b7609f62366c9e97506bbb3495a576685c701c3a756dd36fea27e10b42774ebbd43
SHA1 hash: 6e827965879b0a574573e380cb9087f7c111a224
MD5 hash: 2fe4a36cee28261ccdc336a7618e4749
humanhash: enemy-batman-triple-violet
File name:Confirmation transfer AGS # 22-0035.exe
Download: download sample
Signature Formbook
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File size:721'920 bytes
First seen:2022-11-25 09:17:53 UTC
Last seen:2022-12-08 12:46:35 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'753 x AgentTesla, 19'658 x Formbook, 12'249 x SnakeKeylogger)
ssdeep 12288:L6gh/PsZ1DX/VDJyrrnsWQkotLlnVbyVQulXPWC5b3rgPRqwyRHM9dgbM:L6gh/PtrrnsWQk89VbKNp5b3rgPRqwyk
TLSH T1FAE417CB2F300E84DB5F34715C8D1B8856523DA549F59CF22B75AA782D068FFA69223C
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 32c29292b2e88e82 (7 x Formbook, 6 x RemcosRAT, 2 x AgentTesla)
Reporter Anonymous
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
384
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
Confirmation transfer AGS # 22-0035.exe
Verdict:
Malicious activity
Analysis date:
2022-11-25 09:20:42 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/4ee0e0b3-fc8b-44c6-9998-c92a1d609c6c

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/338393/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1617.1892.22744.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Creating a file
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed phishing
Link:
https://www.filescan.io/uploads/6380884b559d07a06f475ac5/reports/879111b8-5d4e-45b8-8f63-949ad6c1c05b/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/bb0c64dc-75ff-4b74-9ff5-09b7444da641
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1121031
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Deletes itself after installation
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)
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
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 harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
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: 753746 Sample: Confirmation transfer AGS #... Startdate: 25/11/2022 Architecture: WINDOWS Score: 100 56 Malicious sample detected (through community Yara rule) 2->56 58 Antivirus detection for URL or domain 2->58 60 Sigma detected: Scheduled temp file as task from temp location 2->60 62 9 other signatures 2->62 8 Confirmation transfer AGS # 22-0035.exe 7 2->8         started        12 qbbRTdxnuN.exe 5 2->12         started        process3 file4 42 C:\Users\user\AppData\...\qbbRTdxnuN.exe, PE32 8->42 dropped 44 C:\Users\...\qbbRTdxnuN.exe:Zone.Identifier, ASCII 8->44 dropped 46 C:\Users\user\AppData\Local\...\tmpF90B.tmp, XML 8->46 dropped 48 Confirmation trans...S # 22-0035.exe.log, ASCII 8->48 dropped 72 Adds a directory exclusion to Windows Defender 8->72 74 Injects a PE file into a foreign processes 8->74 14 Confirmation transfer AGS # 22-0035.exe 8->14         started        17 powershell.exe 19 8->17         started        19 schtasks.exe 1 8->19         started        21 Confirmation transfer AGS # 22-0035.exe 8->21         started        76 Multi AV Scanner detection for dropped file 12->76 78 Machine Learning detection for dropped file 12->78 23 qbbRTdxnuN.exe 12->23         started        25 schtasks.exe 1 12->25         started        signatures5 process6 signatures7 82 Modifies the context of a thread in another process (thread injection) 14->82 84 Maps a DLL or memory area into another process 14->84 86 Sample uses process hollowing technique 14->86 88 Queues an APC in another process (thread injection) 14->88 27 explorer.exe 14->27 injected 31 conhost.exe 17->31         started        33 conhost.exe 19->33         started        35 conhost.exe 25->35         started        process8 dnsIp9 50 recipecity.quest 162.241.123.152, 49707, 80 UNIFIEDLAYER-AS-1US United States 27->50 52 succes-digitalmlm.com 91.216.107.147, 80 RMI-FITECHFR France 27->52 54 2 other IPs or domains 27->54 80 System process connects to network (likely due to code injection or exploit) 27->80 37 chkdsk.exe 13 27->37         started        40 cscript.exe 27->40         started        signatures10 process11 signatures12 64 Tries to steal Mail credentials (via file / registry access) 37->64 66 Tries to harvest and steal browser information (history, passwords, etc) 37->66 68 Deletes itself after installation 37->68 70 2 other signatures 37->70
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/efe299573660e349b6169b099708c6794d5b593095b9a81ac5000a9b18936252/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-11-24 02:04:28 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
28 of 41 (68.29%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=57rjsvzwmdrutnqwtmezocggpfgvwwjqsw42qgwfaafjwgetmjja._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:q4k5 rat spyware stealer trojan
Link:
https://tria.ge/reports/221125-k9lgpsbb5t/
Behaviour
Creates scheduled task(s)
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
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
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/abd64d6c-1987-443d-b62b-39d23f17f2cc
Unpacked files
SH256 hash:
dc167c51e5b18a4f3082103c883acd0e2731355790b162fa028c464529c6c8fa
MD5 hash:
59206528ecaad5375d547e8a9c2616f6
SHA1 hash:
69fdb679ed8157c39455350c9012831d5c10f682
Detections:
XLoader
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win_formbook_auto
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win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/77505269-2d05-4e0b-bc78-1511478f4531/
Parent samples :
efe299573660e349b6169b099708c6794d5b593095b9a81ac5000a9b18936252
987834ddf97f12dbb06e1f6820fd3436f0226dffa78ac6fcec8b31cc52fdb26b
b0e5e12bea8386e6e06c82e4e25257b22649a608b2ef2a599332879983a000b0
aa6874a63646474141e2928b094c5dc15a1fc2ea610ece7ca7f95b80ec856be5
fa6c3d318b33c9f659b283d02ed355e6c82988ed44d5f7458f043ed6d7997d9b
f4897a2a260bb6af2c853270b0fe2c5da5f840668a228f607f2ad22a9aa7817e
SH256 hash:
894053c4ccde8e981818530f3890240aac621a745ded33c058496562181a2cb1
MD5 hash:
987b5b7b10457a0685a2b3e64fa3398c
SHA1 hash:
3be6f7b24b17be260e215e3b80a57d59c8d7e4c6
Link:
https://www.unpac.me/results/77505269-2d05-4e0b-bc78-1511478f4531/
SH256 hash:
9994b2c5dc8ce809fbefba7d1d1e2940ea320797e9529882cbc829d9a3e31fb4
MD5 hash:
6905cfdaa73cc2ebc651ffc2e01b8574
SHA1 hash:
d90740710b87e46352f814559b853939019330dd
Link:
https://www.unpac.me/results/77505269-2d05-4e0b-bc78-1511478f4531/
SH256 hash:
b4d4e9ce1a0bfef4bfa5d2c039d691e3c8216e62d8f9e8c42fd6a5ff4030ed90
MD5 hash:
919206640c0b331c68d405e555959475
SHA1 hash:
aba5cf71a40616e7ee62b935bd0b9aa609aea029
Link:
https://www.unpac.me/results/77505269-2d05-4e0b-bc78-1511478f4531/
SH256 hash:
7f272c4db499b1501a5ea1711d23de0e6a0c07faf16275e9b01722dae889c7c9
MD5 hash:
dd8b9511dda8eb7c84e1621046828883
SHA1 hash:
7f715270ffcadcba5c3148d2a0cecfaaf6c2e805
Link:
https://www.unpac.me/results/77505269-2d05-4e0b-bc78-1511478f4531/
SH256 hash:
ab19f28c700d64814b0c55df868c30dfb94e0a1f9fb6f7bca05bac6eb78a4e52
MD5 hash:
1f2a6c02dcf9aa00a28a5039fb5b8ce0
SHA1 hash:
1ef480867d39b98368af7586a8e6ba38c0c3893a
Link:
https://www.unpac.me/results/77505269-2d05-4e0b-bc78-1511478f4531/
SH256 hash:
efe299573660e349b6169b099708c6794d5b593095b9a81ac5000a9b18936252
MD5 hash:
2fe4a36cee28261ccdc336a7618e4749
SHA1 hash:
6e827965879b0a574573e380cb9087f7c111a224
Link:
https://www.unpac.me/results/77505269-2d05-4e0b-bc78-1511478f4531/
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/efe299573660e349b6169b099708c6794d5b593095b9a81ac5000a9b18936252

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

Executable exe efe299573660e349b6169b099708c6794d5b593095b9a81ac5000a9b18936252

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/338393/

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