ca2474c82643817c50106479f991ae282b9bb24fde98721dc5f99fe9a5eb3300

Analysis

max time kernel
146s
max time network
91s
platform
windows7_x64
resource
win7
submitted
13-07-2020 11:20

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General

Target

R220917549.exe
Size

923KB
MD5

65e707bd6d53922eed2f27b35bd5355a
SHA1

8e2cb2687357567045584ed5cb36c11cc928f4a4
SHA256

ca2474c82643817c50106479f991ae282b9bb24fde98721dc5f99fe9a5eb3300
SHA512

606f8a9fab4b19fc43ed233f62fcefc3758e1e8fd6358b9fecbd8a3e3a43027ddded905ad2fc185eec7c3e14c1ad563ce007cb35f61797846807757b2ac1447a

Score

8^/10

persistence spyware evasion trojan

Malware Config

Signatures

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
1492	R220917549.exe
276	R220917549.exe
276	R220917549.exe
276	R220917549.exe
1316	systray.exe
1316	systray.exe
1316	systray.exe
1316	systray.exe
1316	systray.exe
1316	systray.exe
1316	systray.exe
1316	systray.exe
1316	systray.exe
1316	systray.exe
1316	systray.exe
1316	systray.exe
1316	systray.exe
1316	systray.exe
1316	systray.exe
1316	systray.exe
1316	systray.exe
1316	systray.exe
1316	systray.exe
1316	systray.exe
1316	systray.exe
1316	systray.exe
1316	systray.exe
1316	systray.exe
1316	systray.exe
1316	systray.exe
1316	systray.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1492 wrote to memory of 276	1492	R220917549.exe	24
PID 1492 wrote to memory of 276	1492	R220917549.exe	24
PID 1492 wrote to memory of 276	1492	R220917549.exe	24
PID 1492 wrote to memory of 276	1492	R220917549.exe	24
PID 1228 wrote to memory of 1316	1228	Explorer.EXE	39
PID 1228 wrote to memory of 1316	1228	Explorer.EXE	39
PID 1228 wrote to memory of 1316	1228	Explorer.EXE	39
PID 1228 wrote to memory of 1316	1228	Explorer.EXE	39
PID 1316 wrote to memory of 1804	1316	systray.exe	40
PID 1316 wrote to memory of 1804	1316	systray.exe	40
PID 1316 wrote to memory of 1804	1316	systray.exe	40
PID 1316 wrote to memory of 1804	1316	systray.exe	40

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 1492 set thread context of 276	1492	R220917549.exe	24
PID 276 set thread context of 1228	276	R220917549.exe	20
PID 276 set thread context of 1228	276	R220917549.exe	20
PID 1316 set thread context of 1228	1316	systray.exe	20

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer	systray.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	276	R220917549.exe
Token: SeDebugPrivilege	1316	systray.exe
Token: SeShutdownPrivilege	1228	Explorer.EXE

Suspicious use of FindShellTrayWindow 5 IoCs

pid	Process
1228	Explorer.EXE
1228	Explorer.EXE
1228	Explorer.EXE
1228	Explorer.EXE
1228	Explorer.EXE

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	Explorer.EXE

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Ldr4pdxfp\serviceswfil_r.exe	systray.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-1131729243-447456001-3632642222-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	systray.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
1492	R220917549.exe
276	R220917549.exe
276	R220917549.exe
276	R220917549.exe
276	R220917549.exe
1316	systray.exe
1316	systray.exe

Deletes itself 1 IoCs

pid	Process
1804	cmd.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
1228	Explorer.EXE
1228	Explorer.EXE
1228	Explorer.EXE
1228	Explorer.EXE

Adds Run entry to policy start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\JTEXV4RHRBP = "C:\\Program Files (x86)\\Ldr4pdxfp\\serviceswfil_r.exe"	systray.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	systray.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Checks whether UAC is enabled
- Suspicious use of SendNotifyMessage
PID:1228
- C:\Users\Admin\AppData\Local\Temp\R220917549.exe
  "C:\Users\Admin\AppData\Local\Temp\R220917549.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  - Suspicious use of SetThreadContext
  - Suspicious behavior: MapViewOfSection
  PID:1492
- - C:\Users\Admin\AppData\Local\Temp\R220917549.exe
    "C:\Users\Admin\AppData\Local\Temp\R220917549.exe"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of SetThreadContext
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious behavior: MapViewOfSection
    PID:276
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:484
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:1600
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:800
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:756
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:1104
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:324
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:1056
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:1052
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:1044
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:1036
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:1512
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:1508
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:1496
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:1668
- C:\Windows\SysWOW64\systray.exe
  "C:\Windows\SysWOW64\systray.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  - Suspicious use of SetThreadContext
  - System policy modification
  - Suspicious use of AdjustPrivilegeToken
  - Drops file in Program Files directory
  - Modifies Internet Explorer settings
  - Suspicious behavior: MapViewOfSection
  - Adds Run entry to policy start application
  PID:1316
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\R220917549.exe"
    3⤵
    - Deletes itself
    PID:1804

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/276-0-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/1316-3-0x0000000000D00000-0x0000000000D05000-memory.dmp

Filesize
20KB

Download
memory/1316-5-0x0000000000C30000-0x0000000000CE0000-memory.dmp

Filesize
704KB

Download
memory/1316-6-0x00000000750B0000-0x00000000750BC000-memory.dmp

Filesize
48KB

Download
memory/1316-7-0x0000000074BB0000-0x0000000074CCD000-memory.dmp

Filesize
1.1MB

Download
memory/1316-8-0x0000000076820000-0x000000007697C000-memory.dmp

Filesize
1.4MB

Download