MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 323f73b7cd367686fdc28a770469e6f6b3b1e45b6f375ef836bd3636880a102c. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 323f73b7cd367686fdc28a770469e6f6b3b1e45b6f375ef836bd3636880a102c
SHA3-384 hash: 5cde92a8d852123973cd4c816463b23ca834d6109fe82af7f321d822fbee872c99c9ee5e7f0a6a0986c7f5b7395730a1
SHA1 hash: 5d02edfd7890b5b98e395ed34fbfe52b92738921
MD5 hash: d4cb7183992edba6ca176fa2fb926778
humanhash: seven-salami-fifteen-double
File name:rPO-34562367.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:908'800 bytes
First seen:2023-03-15 14:19:58 UTC
Last seen:2023-03-15 15:38:32 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:vsFsCDitmABdVLhcA9D/4Bje7PRiZsZN+TJmlkCijMKE+YM6vm+Oc84qU9Rj5IyK:vsFsCMdpkBARiqZNMgBXDu+TqSjIR
Threatray 2'298 similar samples on MalwareBazaar
TLSH T16E15AE391EACB7D1F478F3B4ABE08222E7D35ED3FA22DD5C2996324C4632942749611D
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 7060487026616686 (1 x Formbook)
Reporter FXOLabs
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
212
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
rPO-34562367.exe
Verdict:
Malicious activity
Analysis date:
2023-03-15 14:21:30 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/cffe7207-4779-40bc-a357-24b28af7e5a0

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/374554/
Detection(s):
SecuriteInfo.com.MSIL.GenKryptik.GHGF.tr.11617.7413.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Creating a file
Searching for synchronization primitives
Launching cmd.exe command interpreter
Reading critical registry keys
Setting browser functions hooks
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed shell32.dll
Link:
https://www.filescan.io/uploads/6411d41306c49bd8b6b5f5d7/reports/a4bb895c-edb6-4aaf-9931-adc623386185/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/323f73b7cd367686fdc28a770469e6f6b3b1e45b6f375ef836bd3636880a102c
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1c95205b-5766-4f79-a7c4-23d38ec6c98d
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1194518
Signature
Antivirus detection for URL or domain
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 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: 827415 Sample: rPO-34562367.exe Startdate: 15/03/2023 Architecture: WINDOWS Score: 100 68 Malicious sample detected (through community Yara rule) 2->68 70 Antivirus detection for URL or domain 2->70 72 Sigma detected: Scheduled temp file as task from temp location 2->72 74 7 other signatures 2->74 10 rPO-34562367.exe 6 2->10         started        14 HRgtzTFuae.exe 5 2->14         started        process3 file4 42 C:\Users\user\AppData\...\HRgtzTFuae.exe, PE32 10->42 dropped 44 C:\Users\user\AppData\Local\...\tmpCD77.tmp, XML 10->44 dropped 46 C:\Users\user\...\rPO-34562367.exe.log, ASCII 10->46 dropped 78 Uses schtasks.exe or at.exe to add and modify task schedules 10->78 80 Tries to detect virtualization through RDTSC time measurements 10->80 16 rPO-34562367.exe 10->16         started        19 schtasks.exe 1 10->19         started        82 Machine Learning detection for dropped file 14->82 21 HRgtzTFuae.exe 14->21         started        23 schtasks.exe 1 14->23         started        signatures5 process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 16->54 56 Maps a DLL or memory area into another process 16->56 58 Sample uses process hollowing technique 16->58 60 Queues an APC in another process (thread injection) 16->60 25 explorer.exe 2 1 16->25 injected 29 conhost.exe 19->29         started        31 conhost.exe 23->31         started        process8 dnsIp9 48 www.trumpssecondcoming.com 25->48 50 www.hvtourismalliance.com 25->50 52 trumpssecondcoming.com 34.102.136.180, 49709, 80 GOOGLEUS United States 25->52 76 System process connects to network (likely due to code injection or exploit) 25->76 33 colorcpl.exe 25->33         started        36 wlanext.exe 25->36         started        signatures10 process11 signatures12 62 Modifies the context of a thread in another process (thread injection) 33->62 64 Maps a DLL or memory area into another process 33->64 66 Tries to detect virtualization through RDTSC time measurements 33->66 38 cmd.exe 1 33->38         started        process13 process14 40 conhost.exe 38->40         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/323f73b7cd367686fdc28a770469e6f6b3b1e45b6f375ef836bd3636880a102c/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2023-03-15 14:20:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gi7xhn6ngz3in7ocrj3qi2pg62z3dzc3n43v56bwxu3dncakcawa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
03a84155093ab32f570220991ff8f30d65fa048544c4e0fd95038c730be6cec4
Formbook
11b7ed15ae6b1bb53ad3eeff567acb939f794bfdf067b6c3c07c19a15a02fb8f
Formbook
3a5125b535a9d3aec7608c040173cea1e3c12cb855ec5bad90847406022dfe98
Formbook
4c82ea367bd7a79a5ef059e8f1910af89374e4e4fb75819c5540f3126904c33d
Formbook
4cdfd3ac195a3194d4a4ad72a3d3aeab0009f8b8bcdd73f7664ebeafd0023bae
Formbook
95eea6606746af642726f423f651e78b52dc8652033b9ca6439a95248df0fde2
Formbook
c281a71fb596469b127df24339591627da2a8abbb0293103965c85fd6672254f
Formbook
efd586fdc04eae13911a3f2638cb478edb6c952716e3279d854c4d855a9a70c1
Formbook
fd4b7a99c9e1425af888702bce5c88c071edfd4e0d1cbae52aa4c637b7fde738
Formbook
+ 2'288 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:ny18 rat spyware stealer trojan
Link:
https://tria.ge/reports/230315-rneklaff61/
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:
abcfcf5918f1c06c5f938a9b8155a5d06dce174f67e4bbfedc23a558e007fd11
MD5 hash:
32268cdcaa7ab7cd89432e2bcf092931
SHA1 hash:
20318db7665ecb84a42231778e9203b7d883edbb
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/08a17da6-fd2f-4b61-8bfa-2d1f19a8932c/
Parent samples :
fd4b7a99c9e1425af888702bce5c88c071edfd4e0d1cbae52aa4c637b7fde738
323f73b7cd367686fdc28a770469e6f6b3b1e45b6f375ef836bd3636880a102c
SH256 hash:
14e9343ba3692c776f6bb80d73a474b81c1149ae6491fc8301e2b1e9bc95fdd9
MD5 hash:
28e9aa02c8066c3ac2f262ef5bbaea09
SHA1 hash:
8e4b9f6a92ce882fc7b1ac4e74bc3608f04402d0
Link:
https://www.unpac.me/results/08a17da6-fd2f-4b61-8bfa-2d1f19a8932c/
SH256 hash:
ea8d4c91ec5bba5e1db6c17730d7ba5cdbb5ff3c1a777f70c90e91ce599d9b5d
MD5 hash:
27f5124bf8f451bca8d8a15c73c4f521
SHA1 hash:
5fd557e109b8fd1c3b362b64f0ba9f1600c07211
Link:
https://www.unpac.me/results/08a17da6-fd2f-4b61-8bfa-2d1f19a8932c/
SH256 hash:
323f73b7cd367686fdc28a770469e6f6b3b1e45b6f375ef836bd3636880a102c
MD5 hash:
d4cb7183992edba6ca176fa2fb926778
SHA1 hash:
5d02edfd7890b5b98e395ed34fbfe52b92738921
Link:
https://www.unpac.me/results/08a17da6-fd2f-4b61-8bfa-2d1f19a8932c/
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/323f73b7cd367686fdc28a770469e6f6b3b1e45b6f375ef836bd3636880a102c

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:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
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.

Malspam

Formbook

Executable exe 323f73b7cd367686fdc28a770469e6f6b3b1e45b6f375ef836bd3636880a102c

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/374554/

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