MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a4e136e1ed1c634f0e0d8a11d7fdfa2fd1a316d90c1f2f18d92af62cb1a2f924. 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: 11


Intelligence 11 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a4e136e1ed1c634f0e0d8a11d7fdfa2fd1a316d90c1f2f18d92af62cb1a2f924
SHA3-384 hash: fed56aacca7f4ca91207f0db8a2e97561b76d436f092571dfb34db813e6a0a889cbb723c2e530a509c282fb0b7a0e705
SHA1 hash: a68448de111db91a74728772d0938c155785877d
MD5 hash: 30c08dcfea0f857d0722deeae6bc651c
humanhash: freddie-island-network-uniform
File name:XEROX_ZIRAAT07092022.scr
Download: download sample
Signature Formbook
Create hunting rule
File size:238'000 bytes
First seen:2022-09-07 12:13:51 UTC
Last seen:2022-09-07 12:46:32 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:Y8/CUzzbfPOOKoUBfWpfqk+1gtzkIE88Mc:YwzzbfPO7lyfhtz38Mc
TLSH T190349C8C7210B68FC817C872CED91C24ABA5B877471BD207A05732ED9A1D7DB9F191E2
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon e4dcd8c4d4d4c4d4 (95 x AgentTesla, 51 x Formbook, 12 x RemcosRAT)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
338
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
XEROX_ZIRAAT07092022.scr
Verdict:
Malicious activity
Analysis date:
2022-09-07 12:15:12 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/3c010a74-f8bf-4e32-9056-33410f87e2da

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/308496/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.339.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Launching a process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/63188b4de73fb79b7afd9aa0/reports/30466f44-ddb5-4efd-9054-3d5971709673/overview
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1d2dcfcb-d290-43b9-a1a7-2f0ad0e1f6e3
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1066560
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 domain / URL
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
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
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 dnsIp2 2 Behavior Graph ID: 699101 Sample: XEROX_ZIRAAT07092022.scr.exe Startdate: 07/09/2022 Architecture: WINDOWS Score: 100 30 www.nineodesign.com 2->30 32 www.modalsayabcde.xyz 2->32 34 nineodesign.com 2->34 42 Snort IDS alert for network traffic 2->42 44 Multi AV Scanner detection for domain / URL 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 6 other signatures 2->48 9 XEROX_ZIRAAT07092022.scr.exe 1 2->9         started        signatures3 process4 file5 28 C:\Users\...\XEROX_ZIRAAT07092022.scr.exe.log, ASCII 9->28 dropped 12 cvtres.exe 9->12         started        15 cvtres.exe 9->15         started        17 cvtres.exe 9->17         started        19 2 other processes 9->19 process6 signatures7 60 Modifies the context of a thread in another process (thread injection) 12->60 62 Maps a DLL or memory area into another process 12->62 64 Sample uses process hollowing technique 12->64 66 Queues an APC in another process (thread injection) 12->66 21 explorer.exe 12->21 injected process8 dnsIp9 36 www.orangetta.com 216.250.120.18, 49757, 49760, 80 ONEANDONE-ASBrauerstrasse48DE United States 21->36 38 www.ufa25.org 104.21.1.47, 49755, 80 CLOUDFLARENETUS United States 21->38 40 4 other IPs or domains 21->40 50 System process connects to network (likely due to code injection or exploit) 21->50 25 msiexec.exe 13 21->25         started        signatures10 process11 signatures12 52 Tries to steal Mail credentials (via file / registry access) 25->52 54 Tries to harvest and steal browser information (history, passwords, etc) 25->54 56 Modifies the context of a thread in another process (thread injection) 25->56 58 Maps a DLL or memory area into another process 25->58
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a4e136e1ed1c634f0e0d8a11d7fdfa2fd1a316d90c1f2f18d92af62cb1a2f924/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-09-07 12:14:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=utqtnypndrru6dqnrii5p7p2f7i2gfwzbqps6ggzfl3czmnc7esa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/220908-fwnbxsdfe4/
Behaviour
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
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
b0b4570505a3cdedaf564acee04bb4912b091bc908fef5fa7fd90a6667b736e7
MD5 hash:
af130c58563e644d25262abac13ca0a2
SHA1 hash:
1dd03591dca19d42450a8a66221f05a12f390211
Detections:
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/dd8c4009-cde0-457c-b13a-06dd6850de2a/
Parent samples :
7fac26ff4f77be574f7c66cf0b671a4e4665b12e503b41959da80c82a85f38c1
1e2499187de0cc218823f81fe3d62a284a9220d62401a1510489682de9b32857
7d1b0f1cbce2896626df188bda09ec77f0bdf5f1d120f0b4b3e6309cd7f5f17a
754571cd98137fa699f8dc8fb0331b473b8bda93d1a24c4f004e13893dc819b6
2b8b9162750b7d33ef346be87fce73d677860956f1509befed06193ec383a5d1
a4e136e1ed1c634f0e0d8a11d7fdfa2fd1a316d90c1f2f18d92af62cb1a2f924
SH256 hash:
e17f67f391fe05b63bfa383fc19af91c7ee524532b9eafa8e546593968f6eb65
MD5 hash:
235bb15b562a50709543a42683bea4c0
SHA1 hash:
ed6835e43eea14f5654edd0639ca52090e462e1a
Link:
https://www.unpac.me/results/dd8c4009-cde0-457c-b13a-06dd6850de2a/
SH256 hash:
a4e136e1ed1c634f0e0d8a11d7fdfa2fd1a316d90c1f2f18d92af62cb1a2f924
MD5 hash:
30c08dcfea0f857d0722deeae6bc651c
SHA1 hash:
a68448de111db91a74728772d0938c155785877d
Link:
https://www.unpac.me/results/dd8c4009-cde0-457c-b13a-06dd6850de2a/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a4e136e1ed1c/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/a4e136e1ed1c634f0e0d8a11d7fdfa2fd1a316d90c1f2f18d92af62cb1a2f924

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:INDICATOR_EXE_Packed_ConfuserEx
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
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 a4e136e1ed1c634f0e0d8a11d7fdfa2fd1a316d90c1f2f18d92af62cb1a2f924

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/308496/

Comments