MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 acf37888f0f2f3d50b34287c2dcd04c50930dd5eb5892dadb75b65fa16136b31. 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: 15


Intelligence 15 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: acf37888f0f2f3d50b34287c2dcd04c50930dd5eb5892dadb75b65fa16136b31
SHA3-384 hash: a74eb9f3fa848b4d8feabb8f633f18ca861f36d1540e9944f39a1ecaa42497927063c81423fb3fdc662bbb6454030dca
SHA1 hash: db1f201b725cc4b78974cb2285dd5e3f2adfa6ee
MD5 hash: 29504237ef1e17cc71e3f809167deffe
humanhash: minnesota-florida-apart-connecticut
File name:SecuriteInfo.com.Trojan.PackedNET.2627.30890.6585
Download: download sample
Signature Formbook
Create hunting rule
File size:729'088 bytes
First seen:2024-01-15 12:50:09 UTC
Last seen:2024-01-15 13:31:10 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:w1Qm+ZfoRmWIY1MN62qZaSjVO3PANU8nLD5fi/uUelfuelc+xvradtOz1Sn2oV4M:whmWRSUZaI7NU8n5fiWU0GkcGzas1hOy
TLSH T11BF4022432E82B5AC6BD83F45330692063B5776A2527C76C9E8724CD1D72BC2C74AB77
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)
Reporter SecuriteInfoCom
Tags:AgentTesla exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
322
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
acf37888f0f2f3d50b34287c2dcd04c50930dd5eb5892dadb75b65fa16136b31.exe
Verdict:
Suspicious activity
Analysis date:
2024-01-15 12:52:17 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/77173116-877b-4bf8-8323-ae6be68ba3f1

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/470916/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Trojan.PackedNET.2627.30890.6585.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/65a52a39fd5068bbc3d61f7e/reports/689d0142-f48e-4d39-8da2-f6228626af91/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/acf37888f0f2f3d50b34287c2dcd04c50930dd5eb5892dadb75b65fa16136b31
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/7e5d029d-6c0d-4635-812a-719bbe215de1
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1374735
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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 dropped file
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
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
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 dnsIp2 2 Behavior Graph ID: 1374735 Sample: SecuriteInfo.com.Trojan.Pac... Startdate: 15/01/2024 Architecture: WINDOWS Score: 100 51 www.zpxfillrw.store 2->51 53 www.roguexdayz.com 2->53 55 12 other IPs or domains 2->55 71 Snort IDS alert for network traffic 2->71 73 Found malware configuration 2->73 75 Malicious sample detected (through community Yara rule) 2->75 77 8 other signatures 2->77 11 IpuJkv.exe 5 2->11         started        14 SecuriteInfo.com.Trojan.PackedNET.2627.30890.6585.exe 7 2->14         started        signatures3 process4 file5 85 Multi AV Scanner detection for dropped file 11->85 87 Machine Learning detection for dropped file 11->87 89 Tries to detect virtualization through RDTSC time measurements 11->89 17 IpuJkv.exe 11->17         started        20 schtasks.exe 1 11->20         started        47 C:\Users\user\AppData\Roaming\IpuJkv.exe, PE32 14->47 dropped 49 C:\Users\user\AppData\Local\...\tmp439F.tmp, XML 14->49 dropped 91 Uses schtasks.exe or at.exe to add and modify task schedules 14->91 93 Adds a directory exclusion to Windows Defender 14->93 95 Injects a PE file into a foreign processes 14->95 22 powershell.exe 23 14->22         started        24 schtasks.exe 1 14->24         started        26 SecuriteInfo.com.Trojan.PackedNET.2627.30890.6585.exe 14->26         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 17->63 65 Maps a DLL or memory area into another process 17->65 67 Sample uses process hollowing technique 17->67 69 Queues an APC in another process (thread injection) 17->69 28 explorer.exe 7 1 17->28 injected 32 conhost.exe 20->32         started        34 WmiPrvSE.exe 22->34         started        36 conhost.exe 22->36         started        38 conhost.exe 24->38         started        process9 dnsIp10 57 www.zpxfillrw.store 101.32.191.56, 49723, 49724, 80 TENCENT-NET-AP-CNTencentBuildingKejizhongyiAvenueCN China 28->57 59 www.gurte.top 209.74.107.236, 49727, 80 REBEL-HOSTINGUS United States 28->59 61 4 other IPs or domains 28->61 97 System process connects to network (likely due to code injection or exploit) 28->97 40 wlanext.exe 12 28->40         started        signatures11 process12 signatures13 79 Modifies the context of a thread in another process (thread injection) 40->79 81 Maps a DLL or memory area into another process 40->81 83 Tries to detect virtualization through RDTSC time measurements 40->83 43 cmd.exe 40->43         started        process14 process15 45 conhost.exe 43->45         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/acf37888f0f2f3d50b34287c2dcd04c50930dd5eb5892dadb75b65fa16136b31
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/acf37888f0f2f3d50b34287c2dcd04c50930dd5eb5892dadb75b65fa16136b31/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2024-01-15 12:51:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
36
AV detection:
18 of 23 (78.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vtzxrchq6lz5kczufb6c3tieyuetbxk6wwes3lnxlns7ufqtnmyq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
agenttesla
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:jk56 rat spyware stealer trojan
Link:
https://tria.ge/reports/240115-p3gmdshah3/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook payload
Formbook
Unpacked files
SH256 hash:
d11f8f737cd2112109fd6187d12655c8716c260f85db450ade8bc9b93625880c
MD5 hash:
acc94d921e2d741d9e8a72c691ba1469
SHA1 hash:
31c879ca9e3bca67c608f865fb8e9f4d8b64e3d3
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Formbook
Create hunting rule
Link:
https://www.unpac.me/results/bff980bc-99b6-4b2e-8bd0-f8e16b8301b1/
Parent samples :
acf37888f0f2f3d50b34287c2dcd04c50930dd5eb5892dadb75b65fa16136b31
e57a006770c082e10b1d0821fdae309f5f76b5c1f9f209a9b6edae90c13dc718
57bf60dae149215611af79b1ebeb1cfdd1d3a73d32e48035894971eb4a69566d
299fa2601344081d80079815643aad1bc5ac812031048754be53a3917308af1e
SH256 hash:
84f325e8229fdf90943e145f8817ac049f922f86e6fab1a7b63cd1feb5cd72df
MD5 hash:
03c4ea8ab53fd6a96fce0d958d0f32ce
SHA1 hash:
cccc7552bc09c9e42ddc5c11496d1513bd11e7f1
Link:
https://www.unpac.me/results/bff980bc-99b6-4b2e-8bd0-f8e16b8301b1/
SH256 hash:
761c365377b932c963dde44ad0132b693c24cd1060dffdf61b6a1fb02a29309f
MD5 hash:
ce16e1909361f772057254d947662c1e
SHA1 hash:
94248eca0d0982700be42638565c1bf951cc8ec7
Link:
https://www.unpac.me/results/bff980bc-99b6-4b2e-8bd0-f8e16b8301b1/
SH256 hash:
21afe82a0b71ee589c26f32dc88e0a6e22817f21194b2a83f1807c6cecc8c818
MD5 hash:
440bb4db146ccb1161ac2bcf365d7676
SHA1 hash:
506eda511b46df6e95d86861e70fda81307f8623
Link:
https://www.unpac.me/results/bff980bc-99b6-4b2e-8bd0-f8e16b8301b1/
SH256 hash:
acf37888f0f2f3d50b34287c2dcd04c50930dd5eb5892dadb75b65fa16136b31
MD5 hash:
29504237ef1e17cc71e3f809167deffe
SHA1 hash:
db1f201b725cc4b78974cb2285dd5e3f2adfa6ee
Link:
https://www.unpac.me/results/bff980bc-99b6-4b2e-8bd0-f8e16b8301b1/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/acf37888f0f2/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/acf37888f0f2f3d50b34287c2dcd04c50930dd5eb5892dadb75b65fa16136b31

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
Create hunting rule
Author:malware-lu
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.

Cape
Cape
https://www.capesandbox.com/analysis/470916/

Comments