Analysis
-
max time kernel
141s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240611-en -
resource tags
arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system -
submitted
14-06-2024 04:57
Behavioral task
behavioral1
Sample
ddba039d2e645602626e09ac9b6a305edadd56464966419d09f33d3b0a793d95.exe
Resource
win7-20240611-en
General
-
Target
ddba039d2e645602626e09ac9b6a305edadd56464966419d09f33d3b0a793d95.exe
-
Size
15KB
-
MD5
7d3ce280b5a48f346dbcb0ece9df73c0
-
SHA1
8eed6486ffe3acdae7140e9b57ee190cab80698d
-
SHA256
ddba039d2e645602626e09ac9b6a305edadd56464966419d09f33d3b0a793d95
-
SHA512
8a29c57f3c3c595a75e88a712b0c1aa6d344a42b9edc4c48ff33de968260abcb8b89818179ce4c62c511638407eb744dd21521b1916be6a02ba212282e1a834d
-
SSDEEP
384:IO3qdXlIQV0YXd45xuYiMcRWnPbeVGWLD:IO3EVdV0YXd4DuicNV3f
Malware Config
Signatures
-
Detects Windows executables referencing non-Windows User-Agents 6 IoCs
resource yara_rule behavioral1/memory/1880-5-0x0000000000400000-0x0000000000414000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral1/memory/1880-7-0x0000000000400000-0x0000000000414000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral1/memory/1880-10-0x0000000000400000-0x0000000000414000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral1/memory/1880-13-0x0000000000400000-0x0000000000414000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral1/memory/1880-16-0x0000000000400000-0x0000000000414000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral1/memory/1880-19-0x0000000000400000-0x0000000000414000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA -
UPX dump on OEP (original entry point) 8 IoCs
resource yara_rule behavioral1/memory/1440-0-0x0000000000400000-0x0000000000414000-memory.dmp UPX behavioral1/files/0x000500000000b309-3.dat UPX behavioral1/memory/1880-5-0x0000000000400000-0x0000000000414000-memory.dmp UPX behavioral1/memory/1880-7-0x0000000000400000-0x0000000000414000-memory.dmp UPX behavioral1/memory/1880-10-0x0000000000400000-0x0000000000414000-memory.dmp UPX behavioral1/memory/1880-13-0x0000000000400000-0x0000000000414000-memory.dmp UPX behavioral1/memory/1880-16-0x0000000000400000-0x0000000000414000-memory.dmp UPX behavioral1/memory/1880-19-0x0000000000400000-0x0000000000414000-memory.dmp UPX -
Sets file to hidden 1 TTPs 1 IoCs
Modifies file attributes to stop it showing in Explorer etc.
pid Process 2184 attrib.exe -
Deletes itself 1 IoCs
pid Process 2680 cmd.exe -
Executes dropped EXE 1 IoCs
pid Process 1880 rwmhost.exe -
resource yara_rule behavioral1/memory/1440-0-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/files/0x000500000000b309-3.dat upx behavioral1/memory/1880-5-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/1880-7-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/1880-10-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/1880-13-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/1880-16-0x0000000000400000-0x0000000000414000-memory.dmp upx behavioral1/memory/1880-19-0x0000000000400000-0x0000000000414000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\Debug\rwmhost.exe ddba039d2e645602626e09ac9b6a305edadd56464966419d09f33d3b0a793d95.exe File opened for modification C:\Windows\Debug\rwmhost.exe ddba039d2e645602626e09ac9b6a305edadd56464966419d09f33d3b0a793d95.exe File opened for modification C:\Windows\Debug\rwmhost.exe attrib.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 1440 ddba039d2e645602626e09ac9b6a305edadd56464966419d09f33d3b0a793d95.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1440 wrote to memory of 2184 1440 ddba039d2e645602626e09ac9b6a305edadd56464966419d09f33d3b0a793d95.exe 28 PID 1440 wrote to memory of 2184 1440 ddba039d2e645602626e09ac9b6a305edadd56464966419d09f33d3b0a793d95.exe 28 PID 1440 wrote to memory of 2184 1440 ddba039d2e645602626e09ac9b6a305edadd56464966419d09f33d3b0a793d95.exe 28 PID 1440 wrote to memory of 2184 1440 ddba039d2e645602626e09ac9b6a305edadd56464966419d09f33d3b0a793d95.exe 28 PID 1440 wrote to memory of 2680 1440 ddba039d2e645602626e09ac9b6a305edadd56464966419d09f33d3b0a793d95.exe 31 PID 1440 wrote to memory of 2680 1440 ddba039d2e645602626e09ac9b6a305edadd56464966419d09f33d3b0a793d95.exe 31 PID 1440 wrote to memory of 2680 1440 ddba039d2e645602626e09ac9b6a305edadd56464966419d09f33d3b0a793d95.exe 31 PID 1440 wrote to memory of 2680 1440 ddba039d2e645602626e09ac9b6a305edadd56464966419d09f33d3b0a793d95.exe 31 -
Views/modifies file attributes 1 TTPs 1 IoCs
pid Process 2184 attrib.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\ddba039d2e645602626e09ac9b6a305edadd56464966419d09f33d3b0a793d95.exe"C:\Users\Admin\AppData\Local\Temp\ddba039d2e645602626e09ac9b6a305edadd56464966419d09f33d3b0a793d95.exe"1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1440 -
C:\Windows\SysWOW64\attrib.exeattrib +a +s +h +r C:\Windows\Debug\rwmhost.exe2⤵
- Sets file to hidden
- Drops file in Windows directory
- Views/modifies file attributes
PID:2184
-
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\DDBA03~1.EXE > nul2⤵
- Deletes itself
PID:2680
-
-
C:\Windows\Debug\rwmhost.exeC:\Windows\Debug\rwmhost.exe1⤵
- Executes dropped EXE
PID:1880
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
15KB
MD5db20c7a9550f389bbba29296b651f4bd
SHA1885a216a674fff5050fd4a23ac989e634382f0c4
SHA25621f5c765679c59ccd0ecd04ab4a6cf15ac7860ca87ec556145cd813479f7f461
SHA512bfd85c2409a0326ca20e625dedea1388d3c94df0625a90a2efaf4e170482b57896a3f647a9d4af41e9a73a4171870b91514a3843b671af8c806876126dd42c89