MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 538caa87df986328d0ed89dae0510619173071244c6e7977f4abbdcd29af3c17. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 538caa87df986328d0ed89dae0510619173071244c6e7977f4abbdcd29af3c17
SHA3-384 hash: e1fd2c9a7a29a59bb9c5aec4bc943ee0ba723da7ab6ec48e2da45b844e4e0262058f43bdfc455b1123f2b36094e8ec38
SHA1 hash: c9203ec2bae9d673e6994f3a0c02fdcce4bbef5c
MD5 hash: f5fd44d50dfd6544b0fd77684c1f2cf4
humanhash: zebra-saturn-hot-mango
File name:RE CPIC ABAHSAIN FIBERGLASS.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:978'944 bytes
First seen:2022-07-15 07:45:55 UTC
Last seen:2024-07-24 14:24:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:pzpGItr0AFwMbD+gGdpaVQJ3+N1UwgFxHPpdFEiZuEZsE:pzphdxWgGdwVQJONmVxBju
TLSH T15425236336BC5643E42E87F058A35E1663B12E276810EB096F4838DC7EF3B51B619397
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)
Reporter cocaman
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
271
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
RE CPIC ABAHSAIN FIBERGLASS.exe
Verdict:
Malicious activity
Analysis date:
2022-07-15 08:00:05 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/33de171d-9429-4342-a224-825cba056479

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/289432/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1449.26450.7833.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
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/62d11b798dab2096b99d5a15/reports/a2b4d6c9-309a-4d2b-b212-47d219e99308/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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d4d13231-90d8-40df-9537-ee9a4a970452
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1032288
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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 submitted file
Performs DNS queries to domains with low reputation
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/538caa87df986328d0ed89dae0510619173071244c6e7977f4abbdcd29af3c17/
Threat name:
ByteCode-MSIL.Spyware.SnakeLogger
Create hunting rule
Status:
Malicious
First seen:
2022-07-14 15:18:32 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
21 of 41 (51.22%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kogkvb67tbrsruhnrhnoauigdelta4jejrxhs57uvo642knphqlq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:ir93 rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220715-jlyxfsegar/
Behaviour
Gathers network information
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
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
021bff5b7497f63714d88ed6427f6cea7be0adddfbb70ae66ea080cc68be5b9f
MD5 hash:
5b7a6ab6df7c1f5150baf0fca6cd53f1
SHA1 hash:
d8db78fd1247abc3f6e75be029a07b0d4003c907
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
FormBook
Create hunting rule
Link:
https://www.unpac.me/results/2eb4e20c-9d77-4997-bafa-f272c51429c3/
Parent samples :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 hash:
d6b8a458681f87e144b74399283b855ce785790ea9acecc90959e6400be97f5e
MD5 hash:
dabf7ad995199b423f596ff899dd2602
SHA1 hash:
f220557b53949275625cb692aaae47992fbd06ad
Link:
https://www.unpac.me/results/2eb4e20c-9d77-4997-bafa-f272c51429c3/
SH256 hash:
3ed5ab990cc999d1399a88a2b4d11bf08582abffe7ced84b6d8680769d975b4b
MD5 hash:
b36c2f0170b1807d38d7373cf3d4e4ba
SHA1 hash:
dcc5320f5215b539aa968c01662ab0ed9c3802d5
Link:
https://www.unpac.me/results/2eb4e20c-9d77-4997-bafa-f272c51429c3/
SH256 hash:
883b63ef84c6b1cc09687962beca56e4f4b7960df7c5459e29998befaa3ccf15
MD5 hash:
ecb3f27eb8279c51608c8ea8f8050655
SHA1 hash:
82385d75444ab5fccacf37e2746c7dce73faa7f3
Link:
https://www.unpac.me/results/2eb4e20c-9d77-4997-bafa-f272c51429c3/
SH256 hash:
07a669badf12ee362884eca88c04ff18b102b9cf7b59653807fc451ad4e7b8fe
MD5 hash:
f6df51f6176af38265fd8933b3f473a7
SHA1 hash:
2c7549beab772727065d025417e42ad6840294b9
Link:
https://www.unpac.me/results/2eb4e20c-9d77-4997-bafa-f272c51429c3/
SH256 hash:
538caa87df986328d0ed89dae0510619173071244c6e7977f4abbdcd29af3c17
MD5 hash:
f5fd44d50dfd6544b0fd77684c1f2cf4
SHA1 hash:
c9203ec2bae9d673e6994f3a0c02fdcce4bbef5c
Link:
https://www.unpac.me/results/2eb4e20c-9d77-4997-bafa-f272c51429c3/
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/538caa87df986328d0ed89dae0510619173071244c6e7977f4abbdcd29af3c17

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
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

gz 24e0b8b20a6a2631807832c4c7ea19f8b5f8cabb5b581464aa7bb3973b3ae649

Formbook

Executable exe 538caa87df986328d0ed89dae0510619173071244c6e7977f4abbdcd29af3c17

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 24e0b8b20a6a2631807832c4c7ea19f8b5f8cabb5b581464aa7bb3973b3ae649
Cape
Cape
https://www.capesandbox.com/analysis/289432/
  
Dropped by
MD5 a824135a1d534996a648dd934c5a2cb6

Comments