MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 d3799efc3b84bbb7f8a7d7eb977de54e94da35d5c84616f8b91745b3c710e491. 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
SystemBC
Vendor detections: 11
| SHA256 hash: | d3799efc3b84bbb7f8a7d7eb977de54e94da35d5c84616f8b91745b3c710e491 |
|---|---|
| SHA3-384 hash: | 758f8ef426eadbb815e5785c6e542d74e4736053709dde1d856a6b5b4291e38bc3ba3ad74d205e0c1474bfd3ecd1d4f2 |
| SHA1 hash: | 0bec2ce4109b6f322bde3caddf6d2a689af9537f |
| MD5 hash: | 8975fec2a8036303acd074cb7aacdf31 |
| humanhash: | lithium-carpet-solar-wyoming |
| File name: | d3799efc3b84bbb7f8a7d7eb977de54e94da35d5c84616f8b91745b3c710e491 |
| Download: | download sample |
| Signature | SystemBC |
| File size: | 28'672 bytes |
| First seen: | 2022-04-20 06:49:07 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 801793b2be29822524e8824fc3c47535 (31 x SystemBC) |
| ssdeep | 192:C2WjQTbZ1eBppvfj/j2+cPM3P+Q/tCvwSw3uM76V9bhHOkrUNdc:C2jTbZ0pj/vcqP+ctCYSw3GV9bhrUN2 |
| Threatray | 144 similar samples on MalwareBazaar |
| TLSH | T1FCD2E8D735218D65C016C6B03EAFA760C47E6D75153A9038EFE03E28773EA539B2271A |
| TrID | 54.4% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 18.3% (.EXE) Win64 Executable (generic) (10523/12/4) 8.7% (.EXE) Win16 NE executable (generic) (5038/12/1) 7.8% (.EXE) Win32 Executable (generic) (4505/5/1) 3.5% (.EXE) OS/2 Executable (generic) (2029/13) |
| Reporter |  JAMESWT_WT |
| Tags: | exe SystemBC |
Intelligence
File Origin
# of uploads :
1
# of downloads :
253
Origin country :
n/a
Vendor Threat Intelligence
Detection:
SystemBC
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Сreating synchronization primitives
Creating a window
Creating a file
Sending a custom TCP request
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
greyware overlay shell32.dll systembc
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:
SystemBC
Verdict:
Malicious
Result
Threat name:
SystemBC
Detection:
malicious
Classification:
troj
Score:
88 / 100
Signature
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected SystemBC
Behaviour
Behavior Graph:
Threat name:
Win32.Backdoor.Coroxy
Status:
Malicious
First seen:
2022-03-11 18:43:00 UTC
File Type:
PE (Exe)
AV detection:
35 of 41 (85.37%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 134 additional samples on MalwareBazaar
Result
Malware family:
systembc
Score:
10/10
Tags:
family:systembc
Behaviour
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Malware Config
C2 Extraction:
195.2.73.44:4001
Unpacked files
SH256 hash:
d3799efc3b84bbb7f8a7d7eb977de54e94da35d5c84616f8b91745b3c710e491
MD5 hash:
8975fec2a8036303acd074cb7aacdf31
SHA1 hash:
0bec2ce4109b6f322bde3caddf6d2a689af9537f
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
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: | EXT_MAL_SystemBC_Mar22_1 |
|---|---|
| Author: | Thomas Barabosch, Deutsche Telekom Security |
| Description: | Detects unpacked SystemBC module as used by Emotet in March 2022 |
| Reference: | https://twitter.com/Cryptolaemus1/status/1502069552246575105 |
| Rule name: | MALWARE_Win_EXEPWSH_DLAgent |
|---|---|
| Author: | ditekSHen |
| Description: | Detects SystemBC |
| Rule name: | Start2_net_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | SystemBC |
| Reference: | 7bd341488dc6f01a6662ac478d67d3cd8211cbf362994355027b5bdf573cc31e |
| Rule name: | Start2_overlap_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | SystemBC |
| Reference: | 7bd341488dc6f01a6662ac478d67d3cd8211cbf362994355027b5bdf573cc31e |
| Rule name: | SystemBC_Config |
|---|---|
| Author: | @bartblaze |
| Description: | Identifies SystemBC RAT, decrypted config. |
| Rule name: | SystemBC_Socks |
|---|---|
| Author: | @bartblaze |
| Description: | Identifies SystemBC RAT, Socks proxy version. |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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