Analysis
-
max time kernel
155s -
max time network
133s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
05-09-2021 09:54
Static task
static1
Behavioral task
behavioral1
Sample
090009000N.exe
Resource
win7-en
Behavioral task
behavioral2
Sample
090009000N.exe
Resource
win10v20210408
General
-
Target
090009000N.exe
-
Size
208KB
-
MD5
780cc6d61d19eb61fbb2566fe8f39b4a
-
SHA1
08272cd98b5d17ba7f6bf204e7b0af78a2e44957
-
SHA256
7a30162550b7e83cf48b73ad034251cbc6e053f9d20809c4f4beefaef28c8754
-
SHA512
f9e5d82b4710a8e5020007d9d1ae9eb1e2f8c682677a87617c08bc5059d148cfb2b5673c221077f96d37ae45d324b26ac4632df0f8fb1a05c35e989243f4048e
Malware Config
Signatures
-
A310logger
A310 Logger is a .NET stealer/logger targeting passwords from browsers and email clients.
-
StormKitty
StormKitty is an open source info stealer written in C#.
-
StormKitty Payload 3 IoCs
Processes:
resource yara_rule behavioral2/memory/500-119-0x0000000000400000-0x0000000000418000-memory.dmp family_stormkitty behavioral2/memory/500-120-0x0000000000412452-mapping.dmp family_stormkitty behavioral2/memory/3180-129-0x0000000000412452-mapping.dmp family_stormkitty -
A310logger Executable 7 IoCs
Processes:
resource yara_rule behavioral2/memory/500-119-0x0000000000400000-0x0000000000418000-memory.dmp a310logger behavioral2/memory/500-120-0x0000000000412452-mapping.dmp a310logger C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe a310logger C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe a310logger behavioral2/memory/3180-129-0x0000000000412452-mapping.dmp a310logger C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe a310logger C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe a310logger -
Executes dropped EXE 2 IoCs
Processes:
MZ.exeMZ.exepid process 2152 MZ.exe 4004 MZ.exe -
Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
-
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 21 icanhazip.com -
Looks up geolocation information via web service
Uses a legitimate geolocation service to find the infected system's geolocation info.
-
Suspicious use of SetThreadContext 4 IoCs
Processes:
090009000N.exe090009000N.exedescription pid process target process PID 804 set thread context of 4000 804 090009000N.exe 090009000N.exe PID 4000 set thread context of 500 4000 090009000N.exe InstallUtil.exe PID 4000 set thread context of 996 4000 090009000N.exe InstallUtil.exe PID 4000 set thread context of 3180 4000 090009000N.exe InstallUtil.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2260 996 WerFault.exe InstallUtil.exe -
Checks processor information in registry 2 TTPs 4 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
InstallUtil.exeInstallUtil.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier InstallUtil.exe Key opened \REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0 InstallUtil.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier InstallUtil.exe Key opened \REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0 InstallUtil.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
MZ.exeMZ.exepid process 2152 MZ.exe 2152 MZ.exe 4004 MZ.exe 4004 MZ.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
090009000N.exepid process 4000 090009000N.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
090009000N.exepid process 804 090009000N.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
InstallUtil.exeMZ.exeInstallUtil.exeMZ.exedescription pid process Token: SeDebugPrivilege 500 InstallUtil.exe Token: SeDebugPrivilege 2152 MZ.exe Token: SeDebugPrivilege 3180 InstallUtil.exe Token: SeDebugPrivilege 4004 MZ.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
090009000N.exepid process 4000 090009000N.exe 4000 090009000N.exe -
Suspicious use of WriteProcessMemory 28 IoCs
Processes:
090009000N.exe090009000N.exeInstallUtil.exeInstallUtil.exedescription pid process target process PID 804 wrote to memory of 4000 804 090009000N.exe 090009000N.exe PID 804 wrote to memory of 4000 804 090009000N.exe 090009000N.exe PID 804 wrote to memory of 4000 804 090009000N.exe 090009000N.exe PID 804 wrote to memory of 4000 804 090009000N.exe 090009000N.exe PID 4000 wrote to memory of 500 4000 090009000N.exe InstallUtil.exe PID 4000 wrote to memory of 500 4000 090009000N.exe InstallUtil.exe PID 4000 wrote to memory of 500 4000 090009000N.exe InstallUtil.exe PID 4000 wrote to memory of 500 4000 090009000N.exe InstallUtil.exe PID 4000 wrote to memory of 500 4000 090009000N.exe InstallUtil.exe PID 4000 wrote to memory of 500 4000 090009000N.exe InstallUtil.exe PID 4000 wrote to memory of 500 4000 090009000N.exe InstallUtil.exe PID 4000 wrote to memory of 500 4000 090009000N.exe InstallUtil.exe PID 500 wrote to memory of 2152 500 InstallUtil.exe MZ.exe PID 500 wrote to memory of 2152 500 InstallUtil.exe MZ.exe PID 4000 wrote to memory of 996 4000 090009000N.exe InstallUtil.exe PID 4000 wrote to memory of 996 4000 090009000N.exe InstallUtil.exe PID 4000 wrote to memory of 996 4000 090009000N.exe InstallUtil.exe PID 4000 wrote to memory of 996 4000 090009000N.exe InstallUtil.exe PID 4000 wrote to memory of 3180 4000 090009000N.exe InstallUtil.exe PID 4000 wrote to memory of 3180 4000 090009000N.exe InstallUtil.exe PID 4000 wrote to memory of 3180 4000 090009000N.exe InstallUtil.exe PID 4000 wrote to memory of 3180 4000 090009000N.exe InstallUtil.exe PID 4000 wrote to memory of 3180 4000 090009000N.exe InstallUtil.exe PID 4000 wrote to memory of 3180 4000 090009000N.exe InstallUtil.exe PID 4000 wrote to memory of 3180 4000 090009000N.exe InstallUtil.exe PID 4000 wrote to memory of 3180 4000 090009000N.exe InstallUtil.exe PID 3180 wrote to memory of 4004 3180 InstallUtil.exe MZ.exe PID 3180 wrote to memory of 4004 3180 InstallUtil.exe MZ.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\090009000N.exe"C:\Users\Admin\AppData\Local\Temp\090009000N.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\090009000N.exe"C:\Users\Admin\AppData\Local\Temp\090009000N.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"3⤵
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe"4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"3⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 996 -s 884⤵
- Program crash
-
C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"3⤵
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exe"4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0\UsageLogs\MZ.exe.logMD5
0d96352b982082afe2903d10c1b819a2
SHA137067f1193b4a3deaf27f35a09ddba8e2adee680
SHA256825a471d43d2b81bed778b2bd7a3bf1a2b22a81c3b0de3c68bc2aa9c5bebcec2
SHA512e55862d182b1f1bc1b296cb213e2c576f545120678e2be930dbcf764069ecb9eb3737cfa010c0a4861a5a20605bfae42a49b955d80006c52bd1486b7134bc2af
-
C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\InstallUtil.exe.logMD5
a62535934fa7300b21d015be8236a2e5
SHA1d94f020f9f0f299c46c0ce9b141a3b9da0f32814
SHA2563efaf87f4602570f0be76f4bd246425060a2731f83aec474d7f354f8e6f62c70
SHA51269761425416d2de37dc8934232160e2b8912b433cf8cbfc5505bc00d0c227624808c6414297addb91c966ff27045e9c4679af916efb563576c6fa23fdff1c5a5
-
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exeMD5
1bad0cbd09b05a21157d8255dc801778
SHA1ff284bba12f011b72e20d4c9537d6c455cdbf228
SHA256218073bda7a00e780704c1289d5e22ad27bb3ba11f210afa18af33a6ad5176e9
SHA5124fea56812eba1f1bba17f20d06b509e2a3b4e138562e53c230d0736d596abed4a6a3e43e26936fcd6d107924c8bba41885f34901afa4fd0d37d7e4a93c9b8533
-
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exeMD5
1bad0cbd09b05a21157d8255dc801778
SHA1ff284bba12f011b72e20d4c9537d6c455cdbf228
SHA256218073bda7a00e780704c1289d5e22ad27bb3ba11f210afa18af33a6ad5176e9
SHA5124fea56812eba1f1bba17f20d06b509e2a3b4e138562e53c230d0736d596abed4a6a3e43e26936fcd6d107924c8bba41885f34901afa4fd0d37d7e4a93c9b8533
-
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exeMD5
1bad0cbd09b05a21157d8255dc801778
SHA1ff284bba12f011b72e20d4c9537d6c455cdbf228
SHA256218073bda7a00e780704c1289d5e22ad27bb3ba11f210afa18af33a6ad5176e9
SHA5124fea56812eba1f1bba17f20d06b509e2a3b4e138562e53c230d0736d596abed4a6a3e43e26936fcd6d107924c8bba41885f34901afa4fd0d37d7e4a93c9b8533
-
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\MZ.exeMD5
1bad0cbd09b05a21157d8255dc801778
SHA1ff284bba12f011b72e20d4c9537d6c455cdbf228
SHA256218073bda7a00e780704c1289d5e22ad27bb3ba11f210afa18af33a6ad5176e9
SHA5124fea56812eba1f1bba17f20d06b509e2a3b4e138562e53c230d0736d596abed4a6a3e43e26936fcd6d107924c8bba41885f34901afa4fd0d37d7e4a93c9b8533
-
memory/500-119-0x0000000000400000-0x0000000000418000-memory.dmpFilesize
96KB
-
memory/500-121-0x0000000002840000-0x0000000002841000-memory.dmpFilesize
4KB
-
memory/500-120-0x0000000000412452-mapping.dmp
-
memory/804-116-0x0000000003240000-0x0000000003242000-memory.dmpFilesize
8KB
-
memory/996-127-0x0000000000412452-mapping.dmp
-
memory/2152-125-0x00000000029E0000-0x00000000029E2000-memory.dmpFilesize
8KB
-
memory/2152-122-0x0000000000000000-mapping.dmp
-
memory/3180-129-0x0000000000412452-mapping.dmp
-
memory/3180-131-0x0000000002D80000-0x0000000002D81000-memory.dmpFilesize
4KB
-
memory/4000-114-0x00000000004024E0-mapping.dmp
-
memory/4000-117-0x0000000000400000-0x0000000000430000-memory.dmpFilesize
192KB
-
memory/4004-132-0x0000000000000000-mapping.dmp
-
memory/4004-136-0x00000000023F0000-0x00000000023F2000-memory.dmpFilesize
8KB