MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c4ab14d93e54b2c6e70fa0f284cee729b56186894dfdff4207cbc3d0c690c80f. 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: 17


Intelligence 17 IOCs YARA 6 File information Comments
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SHA256 hash: c4ab14d93e54b2c6e70fa0f284cee729b56186894dfdff4207cbc3d0c690c80f
SHA3-384 hash: 7646a32dbfd06012dfcfff3155f8063559e9b3afdc6528ea5a120d091b4518152a0336366bfb85f38aa5b347c3dd5072
SHA1 hash: e7860b85bf3a7a69aed452fee8dd15e121de7e77
MD5 hash: 7fc3125439066e904292e00f00e6ccfd
humanhash: romeo-emma-summer-foxtrot
File name:POWN200303885-GSN.exe
Download: download sample
Signature FormBook
Create hunting rule
File size:304'800 bytes
First seen:2023-01-30 07:48:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:nYa6g8PiDpMWUS88WgRUPvdgEJojG+elAKIqkUsqIRispEnvH5b:nYSdMWUS8xPvq4oqIis2/V
TLSH T19B54124278B4D48AF4E10E716DBD08E58AFDEE326018715F47187BA67DA6083DA8D393
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 4b9aaab2aaaaa600 (1 x FormBook)
Reporter TeamDreier
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
184
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
POWN200303885-GSN.exe
Verdict:
Malicious activity
Analysis date:
2023-01-30 07:52:06 UTC
Tags:
formbook xloader trojan stealer
Link:
https://app.any.run/tasks/d05df59e-e071-49ba-87c3-ea8776dfc10f

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/358138/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Searching for synchronization primitives
Launching a process
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Launching cmd.exe command interpreter
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/63934/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63d77675528134caf0436e46/reports/0ce50982-ec8f-454d-926b-85901a87f2bd/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/5238528a-0df3-4699-b9bc-8b95640f7117
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1161339
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected FormBook malware
Detected unpacking (changes PE section rights)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
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: Steal Google chrome login data
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 794076 Sample: POWN200303885-GSN.exe Startdate: 30/01/2023 Architecture: WINDOWS Score: 100 58 Snort IDS alert for network traffic 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 Antivirus detection for URL or domain 2->62 64 6 other signatures 2->64 11 POWN200303885-GSN.exe 19 2->11         started        process3 file4 40 C:\Users\user\AppData\Local\...\mveldhxu.exe, PE32 11->40 dropped 14 mveldhxu.exe 11->14         started        process5 signatures6 76 Multi AV Scanner detection for dropped file 14->76 78 Detected unpacking (changes PE section rights) 14->78 80 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 14->80 82 2 other signatures 14->82 17 mveldhxu.exe 14->17         started        process7 signatures8 50 Modifies the context of a thread in another process (thread injection) 17->50 52 Maps a DLL or memory area into another process 17->52 54 Sample uses process hollowing technique 17->54 56 Queues an APC in another process (thread injection) 17->56 20 explorer.exe 2 6 17->20 injected process9 dnsIp10 44 www.redstaing.com 195.216.148.18, 49722, 49723, 80 QUICKPACKETUS United Kingdom 20->44 46 www.alienlord.com 172.67.171.173, 49719, 49720, 80 CLOUDFLARENETUS United States 20->46 48 2 other IPs or domains 20->48 66 System process connects to network (likely due to code injection or exploit) 20->66 24 cmd.exe 18 20->24         started        28 autochk.exe 20->28         started        signatures11 process12 file13 36 C:\Users\user\AppData\...\LM1logrv.ini, data 24->36 dropped 38 C:\Users\user\AppData\...\LM1logri.ini, data 24->38 dropped 68 Detected FormBook malware 24->68 70 Tries to steal Mail credentials (via file / registry access) 24->70 72 Tries to harvest and steal browser information (history, passwords, etc) 24->72 74 3 other signatures 24->74 30 cmd.exe 2 24->30         started        signatures14 process15 file16 42 C:\Users\user\AppData\Local\Temp\DB1, SQLite 30->42 dropped 84 Tries to harvest and steal browser information (history, passwords, etc) 30->84 34 conhost.exe 30->34         started        signatures17 process18
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c4ab14d93e54b2c6e70fa0f284cee729b56186894dfdff4207cbc3d0c690c80f/
Threat name:
Win32.Trojan.Garf
Create hunting rule
Status:
Malicious
First seen:
2023-01-30 02:33:53 UTC
AV detection:
15 of 38 (39.47%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ysvrjwj6kszmnzypudzijtxhfg2wdbujjx676qqhzpb5bruqzahq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:rs11 rat spyware stealer trojan
Link:
https://tria.ge/reports/230130-jnqnvsbc3v/
Behaviour
Gathers network information
Modifies Internet Explorer settings
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
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
Formbook payload
Formbook
Unpacked files
SH256 hash:
70e675f2443de667be45f28a9891adb7ff291c6d2442d0176471b9180ce9cd41
MD5 hash:
9edc252a2333df559040a827f34b1321
SHA1 hash:
a84015c88d790fe89a37ca2fc497f547ff0d040f
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/654440c5-3439-4e0f-a9d2-8ad56cbf8385/
Parent samples :
4873abac800f1c2594fdf8802b84ecfbdb7e704c0d46ff5edf66f46ec7a692e7
b3fe3de729e3bacd16f951173d7e42ec7fae5bf90909cece61e782282fd96ced
c4ab14d93e54b2c6e70fa0f284cee729b56186894dfdff4207cbc3d0c690c80f
b2b22793cf3b49d769cb7f05175d9ca3b9201faa719ccc8a1c000abafce87386
SH256 hash:
5c2fb6363179832742492e2332d2bb0c2f68f6dd339689c692b03d218e343d3c
MD5 hash:
113080b751fe9c2d272a774f13d7ce30
SHA1 hash:
dd85c656ea7e4317d6e05f32d7e13c12be444159
Link:
https://www.unpac.me/results/654440c5-3439-4e0f-a9d2-8ad56cbf8385/
SH256 hash:
c4ab14d93e54b2c6e70fa0f284cee729b56186894dfdff4207cbc3d0c690c80f
MD5 hash:
7fc3125439066e904292e00f00e6ccfd
SHA1 hash:
e7860b85bf3a7a69aed452fee8dd15e121de7e77
Link:
https://www.unpac.me/results/654440c5-3439-4e0f-a9d2-8ad56cbf8385/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c4ab14d93e54/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/c4ab14d93e54b2c6e70fa0f284cee729b56186894dfdff4207cbc3d0c690c80f

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:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Windows_Trojan_Formbook
Create hunting rule
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Create hunting rule
Author:Elastic Security
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

FormBook

Executable exe c4ab14d93e54b2c6e70fa0f284cee729b56186894dfdff4207cbc3d0c690c80f

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/358138/

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