MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 877b26e0bec03030ed3d0d7a92c53c46e6f696df51be924817421f1685d21b50. 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 3 File information Comments
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SHA256 hash: 877b26e0bec03030ed3d0d7a92c53c46e6f696df51be924817421f1685d21b50
SHA3-384 hash: bb4b731e96f9177596b51c4ef45612911ddd48c407f9fd7b8c9f16ab86e81419615b56c1c8a51a5a2b787535529d02b2
SHA1 hash: 8ba69f45dde2972d04e3ca78628d70279ebcee77
MD5 hash: a996a8d0fa3dc5ea40bcf103a860d8de
humanhash: fillet-mike-juliet-equal
File name:Request For Quote.exe
Download: download sample
Signature Formbook
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File size:1'080'832 bytes
First seen:2022-09-08 10:17:48 UTC
Last seen:2022-09-18 09:08:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:QmOYiA5W0wwLbKPtA4Xl5vCRYqhgD97AEOw4SAr4CXX73qJ3CD:TixzwL21A4VpqQ9Aj
TLSH T1A7353C0F218508ADC83250BC94CCC9734B69DE55E63BC54ABFCB9CAFF596E6C46D12A0
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon f0ccbaccacaec4f0 (3 x AgentTesla, 3 x SnakeKeylogger, 2 x Formbook)
Reporter madjack_red
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
250
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
Request For Quote.exe
Verdict:
Malicious activity
Analysis date:
2022-09-08 10:20:25 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/f35959dc-ee9b-4ae6-b537-94556fe2575e

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/308732/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.42093.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6319c19f55480bd187d5cfe2/reports/c16895db-0290-43a7-8911-53ebbb13b86f/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/d9b8ca17-610a-44a6-a043-af02c02aefbf
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1067019
Signature
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
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 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: 699552 Sample: Request For Quote.exe Startdate: 08/09/2022 Architecture: WINDOWS Score: 100 41 Malicious sample detected (through community Yara rule) 2->41 43 Multi AV Scanner detection for dropped file 2->43 45 Sigma detected: Scheduled temp file as task from temp location 2->45 47 11 other signatures 2->47 9 Request For Quote.exe 7 2->9         started        process3 file4 33 C:\Users\user\AppData\Roaming\YiYEZfa.exe, PE32 9->33 dropped 35 C:\Users\user\...\YiYEZfa.exe:Zone.Identifier, ASCII 9->35 dropped 37 C:\Users\user\AppData\Local\...\tmp773E.tmp, XML 9->37 dropped 39 C:\Users\user\...\Request For Quote.exe.log, ASCII 9->39 dropped 49 Adds a directory exclusion to Windows Defender 9->49 13 Request For Quote.exe 9->13         started        16 powershell.exe 15 9->16         started        18 schtasks.exe 1 9->18         started        20 2 other processes 9->20 signatures5 process6 signatures7 57 Modifies the context of a thread in another process (thread injection) 13->57 59 Maps a DLL or memory area into another process 13->59 61 Sample uses process hollowing technique 13->61 63 Queues an APC in another process (thread injection) 13->63 22 explorer.exe 13->22 injected 24 conhost.exe 16->24         started        26 conhost.exe 18->26         started        process8 process9 28 colorcpl.exe 22->28         started        signatures10 51 Modifies the context of a thread in another process (thread injection) 28->51 53 Maps a DLL or memory area into another process 28->53 55 Tries to detect virtualization through RDTSC time measurements 28->55 31 cmd.exe 1 28->31         started        process11
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/877b26e0bec03030ed3d0d7a92c53c46e6f696df51be924817421f1685d21b50/
Threat name:
ByteCode-MSIL.Trojan.FormBook
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Status:
Malicious
First seen:
2022-09-07 10:15:36 UTC
File Type:
PE (.Net Exe)
Extracted files:
21
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=q55snyf6yaydb3j5bv5jfrj4i3tpnfw7kg7jesaxiiprnbosdnia._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:lsg6 rat spyware stealer trojan
Link:
https://tria.ge/reports/220908-mbx4ysecf6/
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:
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/52ecf284-2d95-4ca8-a26d-8a26bedcf5c8/
Parent samples :
ba31a3552408e0705d29a1021b662de94a2adda9f5e994ed99ac78c89ff32f18
877b26e0bec03030ed3d0d7a92c53c46e6f696df51be924817421f1685d21b50
96df49e0deef67a2fc032cf1018662606bdef066655c1f31f135ccf8e68bace5
70d121cfabbbf118335b8ae4f6a3a072f09ce2f11bd73c711120fa9070d608e3
a0bb4aba51b98f18ee5fb62cca841faf2e7aabb304300cc7d4d90125cba09d61
c79bd4c69c806e1516f6cf2160ffa1172e074fbe652bd3793f661aaa39cccab9
51f2aed60e4e94e4ff442a809b63f4dd3a05b2b0e8d6dad5e595f7c2a01f892b
cd5be9697ae42581a073c8bb97da6b7d67becea5e83b4dc259b0e47ef54029d9
e8911ed914364aaa1dbffcfe55c53e2932e9f38ea490523a8bcaf8e13633187a
SH256 hash:
eba6d0acdbde08084f20b0547f1dd3ea02a36f06ac5f791946bf5193e9551ce9
MD5 hash:
0db38ebbe32ff8e31bee3f23094cdffb
SHA1 hash:
01444a74cb588b6a9d7e7c074979a23011f2d2a5
Link:
https://www.unpac.me/results/52ecf284-2d95-4ca8-a26d-8a26bedcf5c8/
SH256 hash:
8b533ffaed24e0351e489b14aaac6960b731db189ce7ed0c0c02d4a546af8e63
MD5 hash:
dbc7be56e6e32349315170599c8b333f
SHA1 hash:
d8e5840e3574b87d435e55a65ac648e040871aee
Link:
https://www.unpac.me/results/52ecf284-2d95-4ca8-a26d-8a26bedcf5c8/
SH256 hash:
61e930121e51676991c117fb1bcb0ae9fa1a32c68366241bdd35fedd3f6ac586
MD5 hash:
fa23d210b1512f61d05343461174645a
SHA1 hash:
7a96355f42f4657bf2e3f8c132253f9e912f3a37
Link:
https://www.unpac.me/results/52ecf284-2d95-4ca8-a26d-8a26bedcf5c8/
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
Link:
https://www.unpac.me/results/52ecf284-2d95-4ca8-a26d-8a26bedcf5c8/
SH256 hash:
877b26e0bec03030ed3d0d7a92c53c46e6f696df51be924817421f1685d21b50
MD5 hash:
a996a8d0fa3dc5ea40bcf103a860d8de
SHA1 hash:
8ba69f45dde2972d04e3ca78628d70279ebcee77
Link:
https://www.unpac.me/results/52ecf284-2d95-4ca8-a26d-8a26bedcf5c8/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/877b26e0bec0/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/877b26e0bec03030ed3d0d7a92c53c46e6f696df51be924817421f1685d21b50

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:BitcoinAddress
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Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:pe_imphash
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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.

Malspam

Formbook

gz 32951af03c32b54bbbcbfe6f75bf4d11ae76ee4c9a174b86f5b9650bed9a2617

Formbook

Executable exe 877b26e0bec03030ed3d0d7a92c53c46e6f696df51be924817421f1685d21b50

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/308732/
  
Dropped by
SHA256 32951af03c32b54bbbcbfe6f75bf4d11ae76ee4c9a174b86f5b9650bed9a2617
  
Dropped by
MD5 439e901940728793a8af4b09f907e173

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