MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5f6c801582b16d51d8a5c79a64aa18291cd494a52ce92a158ff90c6f6f41fee8. 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 7 File information Comments

SHA256 hash: 5f6c801582b16d51d8a5c79a64aa18291cd494a52ce92a158ff90c6f6f41fee8
SHA3-384 hash: acd69f520a5861fca53b7e6d63e0636b15037bd378f14e489a7c7614e5ef3256c73f44ab96337ab2ae3145ec99c5a32d
SHA1 hash: 6f41a1ee642639ac8a2ddee7ba6e9c844a8c72c8
MD5 hash: 52d7e9b44bf4e23f689843239879c600
humanhash: oven-three-alaska-crazy
File name:Payment Slip.exe
Download: download sample
Signature Formbook
File size:870'400 bytes
First seen:2025-01-30 09:30:34 UTC
Last seen:2025-02-08 10:21:24 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'611 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:S0MYMblD7wf8kn4gwUYfQXEEIMgner+0O83VVx841bLou4YUGUX3n7R:ZMYalHdkn4llz4gerG83VbNEu4UUH1
TLSH T1C405BFE03B357315EE687AB4815ADDB463655D28B005F9E22BEC3F8732A8252DE0CF15
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10522/11/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4504/4/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
File icon (PE):PE icon
dhash icon e8cccce8e8e8ccc4 (8 x Formbook, 3 x MassLogger, 1 x VIPKeylogger)
Reporter cocaman
Tags:exe FormBook Shipping

Intelligence


File Origin
# of uploads :
4
# of downloads :
469
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Payment Slip.exe
Verdict:
No threats detected
Analysis date:
2025-01-30 10:06:08 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
90.2%
Tags:
virus micro msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
exploit masquerade obfuscated packed packed packer_detected
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Found direct / indirect Syscall (likely to bypass EDR)
Initial sample is a PE file and has a suspicious name
Joe Sandbox ML detected suspicious sample
Machine Learning detection for 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)
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1602900 Sample: Payment Slip.exe Startdate: 30/01/2025 Architecture: WINDOWS Score: 100 30 www.fz977.xyz 2->30 32 www.031234990.xyz 2->32 34 17 other IPs or domains 2->34 44 Multi AV Scanner detection for submitted file 2->44 46 Yara detected FormBook 2->46 48 Yara detected AntiVM3 2->48 52 4 other signatures 2->52 10 Payment Slip.exe 3 2->10         started        signatures3 50 Performs DNS queries to domains with low reputation 32->50 process4 file5 28 C:\Users\user\...\Payment Slip.exe.log, ASCII 10->28 dropped 13 Payment Slip.exe 10->13         started        process6 signatures7 64 Maps a DLL or memory area into another process 13->64 16 4AkYaWfLKxZKsUGwRQebJ.exe 13->16 injected process8 signatures9 42 Found direct / indirect Syscall (likely to bypass EDR) 16->42 19 secinit.exe 13 16->19         started        process10 signatures11 54 Tries to steal Mail credentials (via file / registry access) 19->54 56 Tries to harvest and steal browser information (history, passwords, etc) 19->56 58 Modifies the context of a thread in another process (thread injection) 19->58 60 3 other signatures 19->60 22 4AkYaWfLKxZKsUGwRQebJ.exe 19->22 injected 26 firefox.exe 19->26         started        process12 dnsIp13 36 031234990.xyz 144.76.229.203, 51559, 51560, 51561 HETZNER-ASDE Germany 22->36 38 www.fz977.xyz 104.21.48.1, 51571, 51572, 51573 CLOUDFLARENETUS United States 22->38 40 10 other IPs or domains 22->40 62 Found direct / indirect Syscall (likely to bypass EDR) 22->62 signatures14
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Status:
Malicious
First seen:
2025-01-29 18:47:17 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
20 of 24 (83.33%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
formbook unknown_loader_037
Similar samples:
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
fef13db230d52659fe41660c66f9200b7355035ed3dae63d7bf60ebfb28d739b
MD5 hash:
e53517b4abf530330e218e2f099afa65
SHA1 hash:
875d6361a4c0fb31b7cbf26cbf3d7249c8b0b32a
SH256 hash:
e8044f63acd1c3c9fddb084d2b58532119d2a69951fac1501d7cd05d8ba1df5d
MD5 hash:
edeca737824c0165209878705bc1438d
SHA1 hash:
953afa000960ed6635fd003f2748cf71cad6351b
SH256 hash:
67714baa916da3173b8f018f79f98cb38e43dff743752721f2ade880c43ea313
MD5 hash:
d0861b983f8a2bea9811b6028529282b
SHA1 hash:
6f6e8024c15bf05c61bd228973d4c86b4a54a1eb
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
ec5735d8df7c7fe78761b318c36eab24eb0410a32fc52e3456596ec383216d68
MD5 hash:
957ddead31ffe6568bb13d5cd5a7a473
SHA1 hash:
4570fa6abedd93a88303ce49329fbaf11e8c78b7
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
SH256 hash:
5f6c801582b16d51d8a5c79a64aa18291cd494a52ce92a158ff90c6f6f41fee8
MD5 hash:
52d7e9b44bf4e23f689843239879c600
SHA1 hash:
6f41a1ee642639ac8a2ddee7ba6e9c844a8c72c8
Please note that we are no longer able to provide a coverage score for Virus Total.

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:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information


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

Malspam

Formbook

Executable exe 5f6c801582b16d51d8a5c79a64aa18291cd494a52ce92a158ff90c6f6f41fee8

(this sample)

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