Analysis
-
max time kernel
151s -
max time network
135s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
24-08-2021 06:40
Static task
static1
Behavioral task
behavioral1
Sample
INVOICE#0909000.exe
Resource
win7v20210410
Behavioral task
behavioral2
Sample
INVOICE#0909000.exe
Resource
win10v20210410
General
-
Target
INVOICE#0909000.exe
-
Size
597KB
-
MD5
2fa857766a51190a35c523d1e668c419
-
SHA1
a03a3e40fea2601e2b745b6d111d8b50384f1bd5
-
SHA256
32635c5f985aa62687009145f91b4523b781bea2faa94f7864d2ff16ab0a14ef
-
SHA512
3c54fd2dcfce7e412b8fe2bf328b7feb22dc2eabc24b14040255b7844280c0b4e5d9860c3e244fd90e5702b51454a406039bfd4edd245ee0f530eac4ed191556
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/204-126-0x0000000000400000-0x0000000000418000-memory.dmp family_stormkitty behavioral2/memory/204-127-0x0000000000412452-mapping.dmp family_stormkitty behavioral2/memory/2732-136-0x0000000000412452-mapping.dmp family_stormkitty -
A310logger Executable 7 IoCs
Processes:
resource yara_rule behavioral2/memory/204-126-0x0000000000400000-0x0000000000418000-memory.dmp a310logger behavioral2/memory/204-127-0x0000000000412452-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/2732-136-0x0000000000412452-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 3744 MZ.exe 3996 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 12 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:
INVOICE#0909000.exeINVOICE#0909000.exedescription pid process target process PID 416 set thread context of 3920 416 INVOICE#0909000.exe INVOICE#0909000.exe PID 3920 set thread context of 204 3920 INVOICE#0909000.exe InstallUtil.exe PID 3920 set thread context of 2476 3920 INVOICE#0909000.exe InstallUtil.exe PID 3920 set thread context of 2732 3920 INVOICE#0909000.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 2728 2476 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 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 Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier InstallUtil.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
MZ.exeMZ.exepid process 3744 MZ.exe 3744 MZ.exe 3996 MZ.exe 3996 MZ.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
INVOICE#0909000.exepid process 3920 INVOICE#0909000.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
InstallUtil.exeMZ.exeInstallUtil.exeMZ.exedescription pid process Token: SeDebugPrivilege 204 InstallUtil.exe Token: SeDebugPrivilege 3744 MZ.exe Token: SeDebugPrivilege 2732 InstallUtil.exe Token: SeDebugPrivilege 3996 MZ.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
INVOICE#0909000.exepid process 3920 INVOICE#0909000.exe 3920 INVOICE#0909000.exe -
Suspicious use of WriteProcessMemory 32 IoCs
Processes:
INVOICE#0909000.exeINVOICE#0909000.exeInstallUtil.exeInstallUtil.exedescription pid process target process PID 416 wrote to memory of 3920 416 INVOICE#0909000.exe INVOICE#0909000.exe PID 416 wrote to memory of 3920 416 INVOICE#0909000.exe INVOICE#0909000.exe PID 416 wrote to memory of 3920 416 INVOICE#0909000.exe INVOICE#0909000.exe PID 416 wrote to memory of 3920 416 INVOICE#0909000.exe INVOICE#0909000.exe PID 416 wrote to memory of 3920 416 INVOICE#0909000.exe INVOICE#0909000.exe PID 416 wrote to memory of 3920 416 INVOICE#0909000.exe INVOICE#0909000.exe PID 416 wrote to memory of 3920 416 INVOICE#0909000.exe INVOICE#0909000.exe PID 416 wrote to memory of 3920 416 INVOICE#0909000.exe INVOICE#0909000.exe PID 3920 wrote to memory of 204 3920 INVOICE#0909000.exe InstallUtil.exe PID 3920 wrote to memory of 204 3920 INVOICE#0909000.exe InstallUtil.exe PID 3920 wrote to memory of 204 3920 INVOICE#0909000.exe InstallUtil.exe PID 3920 wrote to memory of 204 3920 INVOICE#0909000.exe InstallUtil.exe PID 3920 wrote to memory of 204 3920 INVOICE#0909000.exe InstallUtil.exe PID 3920 wrote to memory of 204 3920 INVOICE#0909000.exe InstallUtil.exe PID 3920 wrote to memory of 204 3920 INVOICE#0909000.exe InstallUtil.exe PID 3920 wrote to memory of 204 3920 INVOICE#0909000.exe InstallUtil.exe PID 204 wrote to memory of 3744 204 InstallUtil.exe MZ.exe PID 204 wrote to memory of 3744 204 InstallUtil.exe MZ.exe PID 3920 wrote to memory of 2476 3920 INVOICE#0909000.exe InstallUtil.exe PID 3920 wrote to memory of 2476 3920 INVOICE#0909000.exe InstallUtil.exe PID 3920 wrote to memory of 2476 3920 INVOICE#0909000.exe InstallUtil.exe PID 3920 wrote to memory of 2476 3920 INVOICE#0909000.exe InstallUtil.exe PID 3920 wrote to memory of 2732 3920 INVOICE#0909000.exe InstallUtil.exe PID 3920 wrote to memory of 2732 3920 INVOICE#0909000.exe InstallUtil.exe PID 3920 wrote to memory of 2732 3920 INVOICE#0909000.exe InstallUtil.exe PID 3920 wrote to memory of 2732 3920 INVOICE#0909000.exe InstallUtil.exe PID 3920 wrote to memory of 2732 3920 INVOICE#0909000.exe InstallUtil.exe PID 3920 wrote to memory of 2732 3920 INVOICE#0909000.exe InstallUtil.exe PID 3920 wrote to memory of 2732 3920 INVOICE#0909000.exe InstallUtil.exe PID 3920 wrote to memory of 2732 3920 INVOICE#0909000.exe InstallUtil.exe PID 2732 wrote to memory of 3996 2732 InstallUtil.exe MZ.exe PID 2732 wrote to memory of 3996 2732 InstallUtil.exe MZ.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\INVOICE#0909000.exe"C:\Users\Admin\AppData\Local\Temp\INVOICE#0909000.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\INVOICE#0909000.exe"C:\Users\Admin\AppData\Local\Temp\INVOICE#0909000.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 2476 -s 964⤵
- 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/204-126-0x0000000000400000-0x0000000000418000-memory.dmpFilesize
96KB
-
memory/204-128-0x0000000000FF0000-0x0000000000FF1000-memory.dmpFilesize
4KB
-
memory/204-127-0x0000000000412452-mapping.dmp
-
memory/416-117-0x0000000004E40000-0x0000000004E41000-memory.dmpFilesize
4KB
-
memory/416-118-0x0000000004EE0000-0x0000000004F51000-memory.dmpFilesize
452KB
-
memory/416-116-0x0000000005540000-0x0000000005541000-memory.dmpFilesize
4KB
-
memory/416-119-0x0000000005040000-0x0000000005041000-memory.dmpFilesize
4KB
-
memory/416-114-0x00000000004E0000-0x00000000004E1000-memory.dmpFilesize
4KB
-
memory/416-120-0x0000000002840000-0x000000000284F000-memory.dmpFilesize
60KB
-
memory/416-125-0x0000000005040000-0x000000000553E000-memory.dmpFilesize
5.0MB
-
memory/2476-134-0x0000000000412452-mapping.dmp
-
memory/2732-138-0x0000000001510000-0x0000000001511000-memory.dmpFilesize
4KB
-
memory/2732-136-0x0000000000412452-mapping.dmp
-
memory/3744-132-0x0000000002FC0000-0x0000000002FC2000-memory.dmpFilesize
8KB
-
memory/3744-129-0x0000000000000000-mapping.dmp
-
memory/3920-121-0x0000000000400000-0x0000000000430000-memory.dmpFilesize
192KB
-
memory/3920-122-0x00000000004024E0-mapping.dmp
-
memory/3996-139-0x0000000000000000-mapping.dmp
-
memory/3996-143-0x00000000013F0000-0x00000000013F2000-memory.dmpFilesize
8KB