MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7b88e2abbaa9a126435447c3d3c1ee10bba7d9355bad947297409bd6709b59ac. 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 17 File information Comments
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SHA256 hash: 7b88e2abbaa9a126435447c3d3c1ee10bba7d9355bad947297409bd6709b59ac
SHA3-384 hash: 1bd9516ed259e7f58a224a2bf7e033632302ce9fc8559911e29f1421bc1ed8934619b09ee08557cd5cd0b3a6bf021b9c
SHA1 hash: 2d4aae5d0a2536969add3d555f697589d44ba36d
MD5 hash: 82030fd5c1fe2fb9758217c29b659d2e
humanhash: cup-magazine-timing-mars
File name:e-dekont.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:311'823 bytes
First seen:2023-09-15 07:21:10 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:vYa6mMhCTJxpBOrtLCY8CAev0RtygpmUQU2iomRt7xLrtkioQFcToG:vYYMm/3gkYARtF9QU2PmH7x3uHQFc0G
Threatray 1'924 similar samples on MalwareBazaar
TLSH T1CB64120427D4C023F9A22B311D7AB736B9F6581205A8930B278A7B6F7221F91F61DB47
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 b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
278
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
e-dekont.exe
Verdict:
Malicious activity
Analysis date:
2023-09-15 07:28:36 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/6584f72a-0246-44e8-9fb2-a27f2d0e38b0

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/448773/
Detection(s):
Sanesecurity.Malware.28947.BadP.UNOFFICIAL
Create hunting rule

Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control lolbin overlay packed shell32
Link:
https://www.filescan.io/uploads/6504061a482c0b85d5572e34/reports/491b326a-4631-4fc3-b2c5-c26946020bd5/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/7b88e2abbaa9a126435447c3d3c1ee10bba7d9355bad947297409bd6709b59ac
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/830002ab-6932-42df-abda-9e8eb13c4bad
Result
Threat name:
FormBook, NSISDropper
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1308770
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found 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 domain / URL
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
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
Yara detected FormBook
Yara detected NSISDropper
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1308770 Sample: e-dekont.exe Startdate: 15/09/2023 Architecture: WINDOWS Score: 100 47 Snort IDS alert for network traffic 2->47 49 Multi AV Scanner detection for domain / URL 2->49 51 Found malware configuration 2->51 53 9 other signatures 2->53 11 e-dekont.exe 18 2->11         started        process3 file4 31 C:\Users\user\AppData\Local\...\dwuzlbhq.exe, PE32 11->31 dropped 14 dwuzlbhq.exe 11->14         started        process5 signatures6 63 Antivirus detection for dropped file 14->63 65 Multi AV Scanner detection for dropped file 14->65 67 Machine Learning detection for dropped file 14->67 69 3 other signatures 14->69 17 dwuzlbhq.exe 14->17         started        process7 signatures8 39 Modifies the context of a thread in another process (thread injection) 17->39 41 Maps a DLL or memory area into another process 17->41 43 Sample uses process hollowing technique 17->43 45 Queues an APC in another process (thread injection) 17->45 20 explorer.exe 8 12 17->20 injected process9 dnsIp10 33 itechsarl.net 83.229.19.82, 49732, 80 SKYVISIONGB United Kingdom 20->33 35 dentsfirst.com 217.160.0.100, 49728, 80 ONEANDONE-ASBrauerstrasse48DE Germany 20->35 37 16 other IPs or domains 20->37 55 System process connects to network (likely due to code injection or exploit) 20->55 24 msdt.exe 20->24         started        signatures11 process12 signatures13 57 Modifies the context of a thread in another process (thread injection) 24->57 59 Maps a DLL or memory area into another process 24->59 61 Tries to detect virtualization through RDTSC time measurements 24->61 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/7b88e2abbaa9a126435447c3d3c1ee10bba7d9355bad947297409bd6709b59ac/
Threat name:
Win32.Trojan.Vigorf
Create hunting rule
Status:
Malicious
First seen:
2023-09-14 10:45:03 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
21 of 35 (60.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=poeofk52vgqsmq2ui7b5hqpocc52pwjvlowzi4uxicn5m4e3lgwa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
18241c79365258168f917fe03f0d27cc9c9ef3dbc81d3161ebee32887569496c
Formbook
545922d6a8c2e95e41d555cac8d3fcd44fa562e92ee1de2d11e3bd0860e5a21a
Formbook
6ab510e025f1d00b20b2272a997b5ebd76249532898cd3188af857cc21df125c
Formbook
837fc8d2a3e348e96ea2db94abbe3319b380496b7329cde30519b26f51c1de88
Formbook
b663d64967ea2c767419bb45189b60b0ff088b8060598a7b914bd284a91c4c92
Formbook
eb24fab8968acfad6a1a28b2399fa0cb0b7dd6e2135116312d8ae0412fcd0543
Formbook
f90f3b5208e8e8089d318234c5e041db74317c142934594530e0486e0329b23f
Formbook
+ 1'914 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:mh21 rat spyware stealer trojan
Link:
https://tria.ge/reports/230915-h68fyshd6v/
Behaviour
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
Executes dropped EXE
Loads dropped DLL
Formbook payload
Formbook
Unpacked files
SH256 hash:
6d6811d829d95221e67673ac9f391e458f9a753110b0ce2bebeb225ac33d00f2
MD5 hash:
17550bb34503e44739b98ae9fc450e1f
SHA1 hash:
a8961b993025b47e455e846f76aafb2a7824b7a7
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/23941dc0-cd02-40d5-8b93-e7b8167d6c3e/
Parent samples :
b663d64967ea2c767419bb45189b60b0ff088b8060598a7b914bd284a91c4c92
d1e98d098f45c722026716f6b574a056d535813805d00a8cc2f1943efc271fa9
837fc8d2a3e348e96ea2db94abbe3319b380496b7329cde30519b26f51c1de88
7b88e2abbaa9a126435447c3d3c1ee10bba7d9355bad947297409bd6709b59ac
a3071d3d586d802ca6e86e641ae978872ab99fe208dc287a12d80fa2562b91a8
SH256 hash:
594b218b612f6a68e4fae1eac6bb5a9f271577e0ada1fc28995a9d675ed12e13
MD5 hash:
6fb86229706d270c0e019b76ed7f7c16
SHA1 hash:
f3afb73dcc88360e689517399d9a3f6f6ba11272
Link:
https://www.unpac.me/results/23941dc0-cd02-40d5-8b93-e7b8167d6c3e/
SH256 hash:
7b88e2abbaa9a126435447c3d3c1ee10bba7d9355bad947297409bd6709b59ac
MD5 hash:
82030fd5c1fe2fb9758217c29b659d2e
SHA1 hash:
2d4aae5d0a2536969add3d555f697589d44ba36d
Link:
https://www.unpac.me/results/23941dc0-cd02-40d5-8b93-e7b8167d6c3e/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/7b88e2abbaa9/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/7b88e2abbaa9a126435447c3d3c1ee10bba7d9355bad947297409bd6709b59ac

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:DebuggerCheck__GlobalFlags
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
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.
Rule name:win_formbook_w0
Create hunting rule
Author:@malgamy12

File information

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

Malspam

Formbook

Executable exe 7b88e2abbaa9a126435447c3d3c1ee10bba7d9355bad947297409bd6709b59ac

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/448773/

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