MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b4d2e40296ddd8f6127f9d2ba3703b134fee350602ee9c90f6d73737a2186a86. 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
GuLoader
Vendor detections: 15
| SHA256 hash: | b4d2e40296ddd8f6127f9d2ba3703b134fee350602ee9c90f6d73737a2186a86 |
|---|---|
| SHA3-384 hash: | 86808071400ad3b547d7c383c97681df9e1337434866683005df3f72dc9ade6dc15e0979a19745a171180ca681702d98 |
| SHA1 hash: | e5f07157885a949ee3079ff373c5c194fef68b3d |
| MD5 hash: | 237ae9c41e2c59267fd4292a92d253fd |
| humanhash: | uncle-cardinal-king-lemon |
| File name: | rOrder_1520570_xlxs_z.exe |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 575'847 bytes |
| First seen: | 2023-08-26 11:59:58 UTC |
| Last seen: | 2023-09-04 14:15:22 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | e2a592076b17ef8bfb48b7e03965a3fc (385 x GuLoader, 58 x RemcosRAT, 40 x AgentTesla) |
| ssdeep | 12288:f+u5SE/1IOWcV5SwtLp8d1uLIWFmvySIeWp+PuXE9MI7SuE4jXn:xcEdzhSwtLpU1iIySc09MDL4jXn |
| Threatray | 2'990 similar samples on MalwareBazaar |
| TLSH | T193C423517380E92FC9254376C26659F1EBB55E02D2229D470713BE887EF71A28E3F293 |
| 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) |
| Reporter |  FXOLabs |
| Tags: | exe GuLoader |
Intelligence
File Origin
# of uploads :
2
# of downloads :
329
Origin country :
BRVendor Threat Intelligence
Malware family:
guloader
ID:
1
File name:
rOrder_1520570_xlxs_z.exe
Verdict:
Malicious activity
Analysis date:
2023-08-26 12:01:14 UTC
Tags:
guloader
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Delayed reading of the file
Creating a file in the %temp% subdirectories
Creating a window
Result
Malware family:
n/a
Score:
5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
control lolbin masquerade overlay packed shell32
Verdict:
Malicious
Labled as:
Trojan.Generic
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
Result
Threat name:
GuLoader, FormBook
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Benign windows process drops PE files
C2 URLs / IPs found in malware configuration
Detected FormBook malware
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Steal Google chrome login data
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected FormBook
Yara detected GuLoader
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Guloader
Status:
Malicious
First seen:
2023-08-22 18:53:05 UTC
File Type:
PE (Exe)
Extracted files:
9
AV detection:
17 of 38 (44.74%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
cloudeye
Similar samples:
+ 2'980 additional samples on MalwareBazaar
Result
Malware family:
guloader
Score:
10/10
Tags:
family:formbook family:guloader campaign:ml21 downloader rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Checks QEMU agent file
Deletes itself
Loads dropped DLL
Formbook payload
Formbook
Guloader,Cloudeye
Unpacked files
SH256 hash:
2e226715419a5882e2e14278940ee8ef0aa648a3ef7af5b3dc252674111962bc
MD5 hash:
a4dd044bcd94e9b3370ccf095b31f896
SHA1 hash:
17c78201323ab2095bc53184aa8267c9187d5173
SH256 hash:
b4d2e40296ddd8f6127f9d2ba3703b134fee350602ee9c90f6d73737a2186a86
MD5 hash:
237ae9c41e2c59267fd4292a92d253fd
SHA1 hash:
e5f07157885a949ee3079ff373c5c194fef68b3d
Malware family:
GuLoader
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Delivery method
Distributed via e-mail attachment
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