MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1cf9fafc207a2b47660fb3c71256bd49cf5d4ed8e7579412489dd7ae37095e14. 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 10 File information Comments
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SHA256 hash: 1cf9fafc207a2b47660fb3c71256bd49cf5d4ed8e7579412489dd7ae37095e14
SHA3-384 hash: 9ee2c7d4220fefd67b0b9e683ab54d3d03cd13db62681e364a48a94a483135f6f597e0f724e88ebb4477c869c97541c7
SHA1 hash: 37866f28765ea6bbd598c2dfca0f9c7bf15d8c64
MD5 hash: aa5f05fac3ad4f374ca5dcd2596de82d
humanhash: stream-pasta-delta-table
File name:Remittance copy.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'007'104 bytes
First seen:2025-02-28 11:01:56 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:7jUqY+GGWtp3dyzJcmA7Rij6UBYRjIvx9pv1DGy8:7i/GWtpsdNA9imUBqji9pva
TLSH T17E25E12DBF924A19C6CC2BBBC043055486FAC0A5E6AAF39A45DC5CF40E79F96C44F817
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
dhash icon b0b268e8ccd486a2 (11 x Formbook, 5 x SnakeKeylogger, 3 x MassLogger)
Reporter threatcat_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
511
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Remittance copy.exe
Verdict:
Malicious activity
Analysis date:
2025-02-28 11:04:38 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/ddec2c8f-fd54-4058-b313-a70a5679d27d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.Fbng.322.32048.5595.UNOFFICIAL
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Verdict:
Clean
Score:
89.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67c198c22dfba428b46f1d86
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Connection attempt
Searching for synchronization primitives
Creating a window
Launching a service
Restart of the analyzed sample
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated obfuscated obfuscated packed packed packer_detected vbnet
Link:
https://www.filescan.io/uploads/67c197ba25afd1330131be74/reports/b90420e3-b855-44ab-83e6-b8b0627d168c/overview
Verdict:
Malicious
Labled as:
HackTool[Obfuscator]/MSIL.DeepSea
Link:
https://www.hybrid-analysis.com/sample/1cf9fafc207a2b47660fb3c71256bd49cf5d4ed8e7579412489dd7ae37095e14
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:
Agent Tesla
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0f1b4f52-e1cc-47ec-a351-47a26a92b13b
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1626429
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus detection for URL or domain
Found direct / indirect Syscall (likely to bypass EDR)
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
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)
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1626429 Sample: Remittance copy.exe Startdate: 28/02/2025 Architecture: WINDOWS Score: 100 31 www.persembunyian.xyz 2->31 33 www.seekmeme.xyz 2->33 35 3 other IPs or domains 2->35 41 Suricata IDS alerts for network traffic 2->41 43 Antivirus detection for URL or domain 2->43 45 Multi AV Scanner detection for submitted file 2->45 49 5 other signatures 2->49 10 Remittance copy.exe 11 3 2->10         started        signatures3 47 Performs DNS queries to domains with low reputation 33->47 process4 file5 29 C:\Users\user\...\Remittance copy.exe.log, ASCII 10->29 dropped 61 Injects a PE file into a foreign processes 10->61 14 Remittance copy.exe 10->14         started        signatures6 process7 signatures8 63 Maps a DLL or memory area into another process 14->63 17 bW8YkLMI5yB2Ss544h.exe 14->17 injected process9 signatures10 39 Found direct / indirect Syscall (likely to bypass EDR) 17->39 20 dxdiag.exe 13 17->20         started        process11 signatures12 51 Tries to steal Mail credentials (via file / registry access) 20->51 53 Tries to harvest and steal browser information (history, passwords, etc) 20->53 55 Modifies the context of a thread in another process (thread injection) 20->55 57 3 other signatures 20->57 23 bW8YkLMI5yB2Ss544h.exe 20->23 injected 27 firefox.exe 20->27         started        process13 dnsIp14 37 www.myfort.xyz 13.248.169.48, 49980, 49981, 49982 AMAZON-02US United States 23->37 59 Found direct / indirect Syscall (likely to bypass EDR) 23->59 signatures15
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/1cf9fafc207a2b47660fb3c71256bd49cf5d4ed8e7579412489dd7ae37095e14
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1cf9fafc207a2b47660fb3c71256bd49cf5d4ed8e7579412489dd7ae37095e14/
Threat name:
Win32.Trojan.Leonem
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Status:
Malicious
First seen:
2025-02-27 09:40:47 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dt47v7bapivuozqpwpdrevv5jhhv2twy45lziesitxl24nyjlyka._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
unknown_loader_037
Create hunting rule
Similar samples:
error
Formbook
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Link:
https://tria.ge/reports/250228-m47h4aysgy/
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/38dd48a1-1480-4e6e-9a21-764e8c5b3627
Unpacked files
SH256 hash:
1cf9fafc207a2b47660fb3c71256bd49cf5d4ed8e7579412489dd7ae37095e14
MD5 hash:
aa5f05fac3ad4f374ca5dcd2596de82d
SHA1 hash:
37866f28765ea6bbd598c2dfca0f9c7bf15d8c64
Link:
https://www.unpac.me/results/3a7507a9-2e2f-4c5e-be7b-68e20b0b5fdd/
SH256 hash:
094a2002272a6a5c1a719550f4ce12f25f397689796f090ad26991cf60698c46
MD5 hash:
a92790e0ffd6d83c3e036197e9eb7092
SHA1 hash:
192c8ab285101b240de22931e4fc96907f134c99
Link:
https://www.unpac.me/results/3a7507a9-2e2f-4c5e-be7b-68e20b0b5fdd/
SH256 hash:
519d1451365dfec8fa9e8a0e485339d0efc8a5e7921290176b6231a3942d1e88
MD5 hash:
859b668ddab774178736ebc32ceb8bad
SHA1 hash:
542c9105d73e1204c2f587310de69bcda2a5b570
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/3a7507a9-2e2f-4c5e-be7b-68e20b0b5fdd/
SH256 hash:
2ebfaaec77b46121ec71933aa50768f9b48e8b6b19390f40ad62cb72f57a939c
MD5 hash:
b719db7e1e24cfc6d5e16a4ddc75eba2
SHA1 hash:
59b5b724bd463004cf81425286625c7eea015203
Link:
https://www.unpac.me/results/3a7507a9-2e2f-4c5e-be7b-68e20b0b5fdd/
SH256 hash:
67362f3568594c4d472c05b192689b6411feeae9fd7727523cf328ee611537ec
MD5 hash:
7f5f6d0bbd57f5abea62ff6cf55d036c
SHA1 hash:
daa20f38629402372d0fbb7e047e993fb5656232
Link:
https://www.unpac.me/results/3a7507a9-2e2f-4c5e-be7b-68e20b0b5fdd/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1cf9fafc207a/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/1cf9fafc207a2b47660fb3c71256bd49cf5d4ed8e7579412489dd7ae37095e14

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:Lumma_Stealer_Detection
Create hunting rule
Author:ashizZz
Description:Detects a specific Lumma Stealer malware sample using unique strings and behaviors
Reference:https://seanthegeek.net/posts/compromized-store-spread-lumma-stealer-using-fake-captcha/
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:test_Malaysia
Create hunting rule
Author:rectifyq
Description:Detects file containing malaysia string

File information

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

Malspam

Formbook

Executable exe 1cf9fafc207a2b47660fb3c71256bd49cf5d4ed8e7579412489dd7ae37095e14

(this sample)

  
Delivery method
Distributed via e-mail attachment

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments