38013984ecec19ab2889f68c3404c10c434b44ad68d9e3978cb853c18742dabc

General

Target

38013984ecec19ab2889f68c3404c10c434b44ad68d9e3978cb853c18742dabc.exe
Size

330KB
MD5

ee1b0e6423386f2c53869725a16c24ae
SHA1

c3a06587bb81b375b1f1b606e279afb41150a26d
SHA256

38013984ecec19ab2889f68c3404c10c434b44ad68d9e3978cb853c18742dabc
SHA512

61bf4006cca47161050b335b42db5e0943b892848920a24e4c3334f76d93ad18951647f1d92c942c7c64b170027da5775b7ea3e2cdb04412a31a02f1fcc9136d
SSDEEP

6144:fxYrRwGrWwNDCBC2iDFOIh10+7vdX6Ba/AOIPb+PqR/J7y12:fxWrNtDFf1BrRHhiR/J7B

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2676	SIAMIT~1.EXE

Loads dropped DLL 6 IoCs

pid	Process
2644	38013984ecec19ab2889f68c3404c10c434b44ad68d9e3978cb853c18742dabc.exe
2224	WerFault.exe
2224	WerFault.exe
2224	WerFault.exe
2224	WerFault.exe
2224	WerFault.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Debug\WIA\wiatrace.log	38013984ecec19ab2889f68c3404c10c434b44ad68d9e3978cb853c18742dabc.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2988	powershell.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2224	2676	WerFault.exe	30

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	38013984ecec19ab2889f68c3404c10c434b44ad68d9e3978cb853c18742dabc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SIAMIT~1.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2988	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2988	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2644	38013984ecec19ab2889f68c3404c10c434b44ad68d9e3978cb853c18742dabc.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2644 wrote to memory of 2676	2644	38013984ecec19ab2889f68c3404c10c434b44ad68d9e3978cb853c18742dabc.exe	30
PID 2644 wrote to memory of 2676	2644	38013984ecec19ab2889f68c3404c10c434b44ad68d9e3978cb853c18742dabc.exe	30
PID 2644 wrote to memory of 2676	2644	38013984ecec19ab2889f68c3404c10c434b44ad68d9e3978cb853c18742dabc.exe	30
PID 2644 wrote to memory of 2676	2644	38013984ecec19ab2889f68c3404c10c434b44ad68d9e3978cb853c18742dabc.exe	30
PID 2676 wrote to memory of 2988	2676	SIAMIT~1.EXE	31
PID 2676 wrote to memory of 2988	2676	SIAMIT~1.EXE	31
PID 2676 wrote to memory of 2988	2676	SIAMIT~1.EXE	31
PID 2676 wrote to memory of 2988	2676	SIAMIT~1.EXE	31
PID 2676 wrote to memory of 2224	2676	SIAMIT~1.EXE	33
PID 2676 wrote to memory of 2224	2676	SIAMIT~1.EXE	33
PID 2676 wrote to memory of 2224	2676	SIAMIT~1.EXE	33
PID 2676 wrote to memory of 2224	2676	SIAMIT~1.EXE	33

C:\Users\Admin\AppData\Local\Temp\38013984ecec19ab2889f68c3404c10c434b44ad68d9e3978cb853c18742dabc.exe
"C:\Users\Admin\AppData\Local\Temp\38013984ecec19ab2889f68c3404c10c434b44ad68d9e3978cb853c18742dabc.exe"
1⤵
- Loads dropped DLL
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2644
- C:\Users\Admin\AppData\Local\Temp\SIAMIT~1.EXE
  "C:\Users\Admin\AppData\Local\Temp\SIAMIT~1.EXE" -hwnd 393504 -uninstall
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2676
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "powershell" -command "Get-WinUserLanguageList | ConvertTo-Json -Compress"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2988
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2676 -s 560
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:2224

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\SIAMIT~1.EXE

Filesize
117KB

MD5
5d77bda9abaf2d713df2fb3b7db4860f

SHA1
64a3f12df35235d18d4af16f709bf2c03cb88032

SHA256
865e73bc9f80c58fd2795709b549dc8fe8e09f86af6fc11a039cb134d4657419

SHA512
0930ccf6ff6fa3cf0ebae60e69e226270f2ada40df5a8b42f5ad797d79a23618e6d632ca90ded9eacfc3905f6bee2d6db42f20b04017cfbe674fa112e49bd8b3

Download Submit
C:\Users\Admin\AppData\Local\Temp\img581F.tmp

Filesize
26KB

MD5
0ee5c85d988e567c0fb740eb231e5e81

SHA1
713547ca83b1c416603b8cc4786290af9e983712

SHA256
e5ed3d2e0ba8e5e0a17b8e8e45b42e1a5d293e977c79c1856a6314bddcfc4389

SHA512
8cdef4628ef05803eb38ce30546ee0099611f7fa1458148924cccd7e024a1c6fd8930909b42f8fa500b4dc3d2b3a8b7ad60a51ab72b6a439c1e080ae9864e9ca

Download Submit
memory/2676-24-0x0000000073F6E000-0x0000000073F6F000-memory.dmp

Filesize
4KB

Download
memory/2676-25-0x00000000012C0000-0x00000000012E0000-memory.dmp

Filesize
128KB

Download
memory/2676-33-0x0000000073F6E000-0x0000000073F6F000-memory.dmp

Filesize
4KB

Download

Analysis

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