Analysis
-
max time kernel
143s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
-
submitted
20-12-2024 19:46
General
-
Target
8a4d38092e7f0245aa376d724cf3dbe08d4b563a86db3c99e70defaa38beb969_Sigmanly.exe
-
Size
466KB
-
MD5
745504717878bb22b600df7e2c2dd9f4
-
SHA1
9515d0277803511a4f401674f40f022ed69c85d7
-
SHA256
8a4d38092e7f0245aa376d724cf3dbe08d4b563a86db3c99e70defaa38beb969
-
SHA512
8035ff6f18deaaec620acd824bbcecf07d38f2e2f77e322942f635320af75bbc4bd60250f0e61094eed22cfeef652791d61476bd7b4c613ebb6fb7952ae48e4d
-
SSDEEP
12288:I5AlMIL/obq71R7Oj6rgcPIcXuQd7lxu7Jj1JK8s5FEeKN:ZtL/o2BR7Zrgcwgpxu7Jj1Jiceg
Malware Config
Signatures
-
Guloader family
-
Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
-
Disables Task Manager via registry modification
-
Loads dropped DLL 2 IoCs
-
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
-
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
-
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
-
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
-
Drops file in System32 directory 1 IoCs
-
Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
-
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
-
Suspicious use of SetThreadContext 1 IoCs
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
-
Suspicious behavior: EnumeratesProcesses 1 IoCs
-
Suspicious behavior: MapViewOfSection 1 IoCs
-
Suspicious use of AdjustPrivilegeToken 1 IoCs
-
Suspicious use of WriteProcessMemory 5 IoCs
-
outlook_office_path 1 IoCs
-
outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\8a4d38092e7f0245aa376d724cf3dbe08d4b563a86db3c99e70defaa38beb969_Sigmanly.exe"C:\Users\Admin\AppData\Local\Temp\8a4d38092e7f0245aa376d724cf3dbe08d4b563a86db3c99e70defaa38beb969_Sigmanly.exe"1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\8a4d38092e7f0245aa376d724cf3dbe08d4b563a86db3c99e70defaa38beb969_Sigmanly.exe"C:\Users\Admin\AppData\Local\Temp\8a4d38092e7f0245aa376d724cf3dbe08d4b563a86db3c99e70defaa38beb969_Sigmanly.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
11KB
MD5ee260c45e97b62a5e42f17460d406068
SHA1df35f6300a03c4d3d3bd69752574426296b78695
SHA256e94a1f7bcd7e0d532b660d0af468eb3321536c3efdca265e61f9ec174b1aef27
SHA512a98f350d17c9057f33e5847462a87d59cbf2aaeda7f6299b0d49bb455e484ce4660c12d2eb8c4a0d21df523e729222bbd6c820bf25b081bc7478152515b414b3
-
Filesize
5.6MB
-
Filesize
13.2MB
-
Filesize
1.1MB
-
Filesize
40KB
-
Filesize
18.3MB
-
Filesize
4KB
-
Filesize
4KB
-
Filesize
120KB
-
Filesize
1.8MB
-
Filesize
320KB
-
Filesize
13.2MB
-
Filesize
584KB
-
Filesize
624KB
-
Filesize
13.2MB
-
Filesize
1.1MB
-
Filesize
4KB
-
Filesize
13.2MB