d700e68d1c067c7bb297805d8429aa95cde9b6ec484c490ebdb01fc9689b1a31

Analysis

max time kernel
147s
max time network
151s
platform
windows10_x64
resource
win10v20210410
submitted
02/07/2021, 03:51

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General

Target
C27703650690CAFF819FF9466EF6ACC5.exe
Size 1.6MB
Sample210702-ptr9m4c8tn
SHA256 d700e68d1c067c7bb297805d8429aa95cde9b6ec484c490ebdb01fc9689b1a31
MD5 c27703650690caff819ff9466ef6acc5
SHA1 cde7a5fbea03414bccb57baddbc1b10c305c7e60
SHA512 2f705395838d8cdaa4437f3a31065b9bfcaf7d78e5e3cbb28f9f555a1776e34900d8ad6d9e36aed5f14acc9e243022daf31a813328b9fea9f3fb133e9916c962
MD5 SHA1 SHA512

Score

8^/10

spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3680	Idle.exe

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

Data from Local System
T1005

Credentials in Files
T1081

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
16	ipinfo.io
17	ipinfo.io

Drops file in System32 directory 9 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Windows.Security.Credentials.UI.CredentialPicker\5b884080fd4f94e2695da25c503f9e33b9605b83	C27703650690CAFF819FF9466EF6ACC5.exe
File created	C:\Windows\SysWOW64\mfplat\6cb0b6c459d5d3455a3da700e713f2e2529862ff	C27703650690CAFF819FF9466EF6ACC5.exe
File created	C:\Windows\SysWOW64\KBDFC\winlogon.exe	C27703650690CAFF819FF9466EF6ACC5.exe
File created	C:\Windows\SysWOW64\KBDFC\cc11b995f2a76da408ea6a601e682e64743153ad	C27703650690CAFF819FF9466EF6ACC5.exe
File created	C:\Windows\SysWOW64\mciwave\dwm.exe	C27703650690CAFF819FF9466EF6ACC5.exe
File created	C:\Windows\SysWOW64\Windows.Security.Credentials.UI.CredentialPicker\fontdrvhost.exe	C27703650690CAFF819FF9466EF6ACC5.exe
File opened for modification	C:\Windows\SysWOW64\KBDFC\winlogon.exe	C27703650690CAFF819FF9466EF6ACC5.exe
File created	C:\Windows\SysWOW64\mciwave\6cb0b6c459d5d3455a3da700e713f2e2529862ff	C27703650690CAFF819FF9466EF6ACC5.exe
File created	C:\Windows\SysWOW64\mfplat\dwm.exe	C27703650690CAFF819FF9466EF6ACC5.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 18 IoCs

pid	Process
3916	C27703650690CAFF819FF9466EF6ACC5.exe
3916	C27703650690CAFF819FF9466EF6ACC5.exe
1204	C27703650690CAFF819FF9466EF6ACC5.exe
3680	Idle.exe
3680	Idle.exe
3680	Idle.exe
3680	Idle.exe
3680	Idle.exe
3680	Idle.exe
3680	Idle.exe
3680	Idle.exe
3680	Idle.exe
3680	Idle.exe
3680	Idle.exe
3680	Idle.exe
3680	Idle.exe
3680	Idle.exe
3680	Idle.exe

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 8 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
3564	schtasks.exe
184	schtasks.exe
3580	schtasks.exe
752	schtasks.exe
3960	schtasks.exe
3480	schtasks.exe
2852	schtasks.exe
1312	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3916	C27703650690CAFF819FF9466EF6ACC5.exe
1204	C27703650690CAFF819FF9466EF6ACC5.exe
1204	C27703650690CAFF819FF9466EF6ACC5.exe
1204	C27703650690CAFF819FF9466EF6ACC5.exe
3680	Idle.exe
3680	Idle.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3680	Idle.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3916	C27703650690CAFF819FF9466EF6ACC5.exe
Token: SeDebugPrivilege	1204	C27703650690CAFF819FF9466EF6ACC5.exe
Token: SeDebugPrivilege	3680	Idle.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
3916	C27703650690CAFF819FF9466EF6ACC5.exe
1204	C27703650690CAFF819FF9466EF6ACC5.exe
3680	Idle.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 3916 wrote to memory of 3960	3916	C27703650690CAFF819FF9466EF6ACC5.exe	78
PID 3916 wrote to memory of 3960	3916	C27703650690CAFF819FF9466EF6ACC5.exe	78
PID 3916 wrote to memory of 3960	3916	C27703650690CAFF819FF9466EF6ACC5.exe	78
PID 3916 wrote to memory of 3480	3916	C27703650690CAFF819FF9466EF6ACC5.exe	80
PID 3916 wrote to memory of 3480	3916	C27703650690CAFF819FF9466EF6ACC5.exe	80
PID 3916 wrote to memory of 3480	3916	C27703650690CAFF819FF9466EF6ACC5.exe	80
PID 3916 wrote to memory of 2852	3916	C27703650690CAFF819FF9466EF6ACC5.exe	82
PID 3916 wrote to memory of 2852	3916	C27703650690CAFF819FF9466EF6ACC5.exe	82
PID 3916 wrote to memory of 2852	3916	C27703650690CAFF819FF9466EF6ACC5.exe	82
PID 3916 wrote to memory of 1312	3916	C27703650690CAFF819FF9466EF6ACC5.exe	84
PID 3916 wrote to memory of 1312	3916	C27703650690CAFF819FF9466EF6ACC5.exe	84
PID 3916 wrote to memory of 1312	3916	C27703650690CAFF819FF9466EF6ACC5.exe	84
PID 3916 wrote to memory of 3564	3916	C27703650690CAFF819FF9466EF6ACC5.exe	86
PID 3916 wrote to memory of 3564	3916	C27703650690CAFF819FF9466EF6ACC5.exe	86
PID 3916 wrote to memory of 3564	3916	C27703650690CAFF819FF9466EF6ACC5.exe	86
PID 3916 wrote to memory of 1204	3916	C27703650690CAFF819FF9466EF6ACC5.exe	88
PID 3916 wrote to memory of 1204	3916	C27703650690CAFF819FF9466EF6ACC5.exe	88
PID 3916 wrote to memory of 1204	3916	C27703650690CAFF819FF9466EF6ACC5.exe	88
PID 1204 wrote to memory of 184	1204	C27703650690CAFF819FF9466EF6ACC5.exe	89
PID 1204 wrote to memory of 184	1204	C27703650690CAFF819FF9466EF6ACC5.exe	89
PID 1204 wrote to memory of 184	1204	C27703650690CAFF819FF9466EF6ACC5.exe	89
PID 1204 wrote to memory of 3580	1204	C27703650690CAFF819FF9466EF6ACC5.exe	91
PID 1204 wrote to memory of 3580	1204	C27703650690CAFF819FF9466EF6ACC5.exe	91
PID 1204 wrote to memory of 3580	1204	C27703650690CAFF819FF9466EF6ACC5.exe	91
PID 1204 wrote to memory of 752	1204	C27703650690CAFF819FF9466EF6ACC5.exe	93
PID 1204 wrote to memory of 752	1204	C27703650690CAFF819FF9466EF6ACC5.exe	93
PID 1204 wrote to memory of 752	1204	C27703650690CAFF819FF9466EF6ACC5.exe	93
PID 1204 wrote to memory of 3680	1204	C27703650690CAFF819FF9466EF6ACC5.exe	95
PID 1204 wrote to memory of 3680	1204	C27703650690CAFF819FF9466EF6ACC5.exe	95
PID 1204 wrote to memory of 3680	1204	C27703650690CAFF819FF9466EF6ACC5.exe	95

C:\Users\Admin\AppData\Local\Temp\C27703650690CAFF819FF9466EF6ACC5.exe
"C:\Users\Admin\AppData\Local\Temp\C27703650690CAFF819FF9466EF6ACC5.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3916
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks" /create /tn "winlogon" /sc ONLOGON /tr "'C:\Windows\System32\KBDFC\winlogon.exe'" /rl HIGHEST /f
  2⤵
  - Creates scheduled task(s)
  PID:3960
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks" /create /tn "taskhostw" /sc ONLOGON /tr "'C:\PerfLogs\taskhostw.exe'" /rl HIGHEST /f
  2⤵
  - Creates scheduled task(s)
  PID:3480
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks" /create /tn "dwm" /sc ONLOGON /tr "'C:\Windows\System32\mciwave\dwm.exe'" /rl HIGHEST /f
  2⤵
  - Creates scheduled task(s)
  PID:2852
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks" /create /tn "WmiPrvSE" /sc ONLOGON /tr "'C:\Users\Default User\WmiPrvSE.exe'" /rl HIGHEST /f
  2⤵
  - Creates scheduled task(s)
  PID:1312
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks" /create /tn "winlogon" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\winlogon.exe'" /rl HIGHEST /f
  2⤵
  - Creates scheduled task(s)
  PID:3564
- C:\Users\Admin\AppData\Local\Temp\C27703650690CAFF819FF9466EF6ACC5.exe
  "C:\Users\Admin\AppData\Local\Temp\C27703650690CAFF819FF9466EF6ACC5.exe"
  2⤵
  - Drops file in System32 directory
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1204
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks" /create /tn "Idle" /sc ONLOGON /tr "'C:\Documents and Settings\Idle.exe'" /rl HIGHEST /f
    3⤵
    - Creates scheduled task(s)
    PID:184
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks" /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\Windows\System32\Windows.Security.Credentials.UI.CredentialPicker\fontdrvhost.exe'" /rl HIGHEST /f
    3⤵
    - Creates scheduled task(s)
    PID:3580
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks" /create /tn "dwm" /sc ONLOGON /tr "'C:\Windows\System32\mfplat\dwm.exe'" /rl HIGHEST /f
    3⤵
    - Creates scheduled task(s)
    PID:752
- - C:\Documents and Settings\Idle.exe
    "C:\Documents and Settings\Idle.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:3680

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/1204-131-0x00000000054C0000-0x00000000054C1000-memory.dmp

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memory/3680-145-0x0000000006B00000-0x0000000006B01000-memory.dmp

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memory/3680-143-0x00000000056A0000-0x00000000056A1000-memory.dmp

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memory/3680-139-0x0000000000140000-0x0000000000141000-memory.dmp

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memory/3916-114-0x0000000000FC0000-0x0000000000FC1000-memory.dmp

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memory/3916-117-0x00000000055A0000-0x00000000055A1000-memory.dmp

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memory/3916-116-0x0000000005C10000-0x0000000005C11000-memory.dmp

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memory/3916-118-0x0000000005700000-0x0000000005701000-memory.dmp

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memory/3916-119-0x00000000061B0000-0x00000000061B1000-memory.dmp

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