752536b688fa896ba0ba7341bc2cc56be3ef6621f317d2dc5fed268920b33bd9

General

Target

09a4ee7172282f87f7165a43c3e20f14.exe
Size

53KB
MD5

09a4ee7172282f87f7165a43c3e20f14
SHA1

b0a2ddd2d32f580fad0ec9b75e977c62fd4fd381
SHA256

752536b688fa896ba0ba7341bc2cc56be3ef6621f317d2dc5fed268920b33bd9
SHA512

304e9fbc0921b050920017087f33f02fb9900524b6182dd64fe2abcfbd7f0d79e496913b5bfab009f8008d6386f980fe65f29e16ffe2db89d298e7fff878bbf5
SSDEEP

1536:lsyqFguK7hKM1vd+XWdu1w2ksbvSjzdmxWP:lJhhKU1+XWdJ2kjjzdDP

Score

8^/10

bootkit collection discovery persistence spyware stealer

Malware Config

Signatures

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	p.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\system = "C:\\Windows\\csrss.exe"	p.exe

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\Control Panel\International\Geo\Nation	09a4ee7172282f87f7165a43c3e20f14.exe
Key value queried	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\Control Panel\International\Geo\Nation	p.exe

Executes dropped EXE 3 IoCs

pid	Process
4184	loader.exe
3632	p.exe
3300	csrss.exe

Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
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
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	csrss.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	IEXPLORE.EXE

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4184 set thread context of 4064	4184	loader.exe	97

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\csrss.exe	p.exe
File opened for modification	C:\Windows\csrss.exe	p.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
256	4732	WerFault.exe	88

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
4064	IEXPLORE.EXE
3300	csrss.exe
3300	csrss.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4184	loader.exe
Token: SeDebugPrivilege	3632	p.exe
Token: SeDebugPrivilege	3300	csrss.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 4732 wrote to memory of 4184	4732	09a4ee7172282f87f7165a43c3e20f14.exe	95
PID 4732 wrote to memory of 4184	4732	09a4ee7172282f87f7165a43c3e20f14.exe	95
PID 4732 wrote to memory of 4184	4732	09a4ee7172282f87f7165a43c3e20f14.exe	95
PID 4732 wrote to memory of 3632	4732	09a4ee7172282f87f7165a43c3e20f14.exe	96
PID 4732 wrote to memory of 3632	4732	09a4ee7172282f87f7165a43c3e20f14.exe	96
PID 4732 wrote to memory of 3632	4732	09a4ee7172282f87f7165a43c3e20f14.exe	96
PID 4184 wrote to memory of 4064	4184	loader.exe	97
PID 4184 wrote to memory of 4064	4184	loader.exe	97
PID 4184 wrote to memory of 4064	4184	loader.exe	97
PID 4184 wrote to memory of 4064	4184	loader.exe	97
PID 4184 wrote to memory of 4064	4184	loader.exe	97
PID 4184 wrote to memory of 4064	4184	loader.exe	97
PID 4184 wrote to memory of 4064	4184	loader.exe	97
PID 3632 wrote to memory of 3300	3632	p.exe	99
PID 3632 wrote to memory of 3300	3632	p.exe	99
PID 3632 wrote to memory of 3300	3632	p.exe	99

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	csrss.exe

C:\Users\Admin\AppData\Local\Temp\09a4ee7172282f87f7165a43c3e20f14.exe
"C:\Users\Admin\AppData\Local\Temp\09a4ee7172282f87f7165a43c3e20f14.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4732
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4732 -s 308
  2⤵
  - Program crash
  PID:256
- C:\Users\Admin\AppData\Local\Temp\loader.exe
  "C:\Users\Admin\AppData\Local\Temp\loader.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4184
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"
    3⤵
    - Writes to the Master Boot Record (MBR)
    - Suspicious behavior: EnumeratesProcesses
    PID:4064
- C:\Users\Admin\AppData\Local\Temp\p.exe
  "C:\Users\Admin\AppData\Local\Temp\p.exe"
  2⤵
  - Adds policy Run key to start application
  - Checks computer location settings
  - Executes dropped EXE
  - Drops file in Windows directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3632
- - C:\Windows\csrss.exe
    "C:\Windows\csrss.exe"
    3⤵
    - Executes dropped EXE
    - Accesses Microsoft Outlook profiles
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - outlook_win_path
    PID:3300

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4732 -ip 4732
1⤵
PID:3428

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\loader.exe

Filesize
20KB

MD5
2dfbd5bbe54d3b17258feedf83def347

SHA1
75f9695edee8475e214f18ebb76512296710d17d

SHA256
8b43c0dd5f55bdeade612df66adf28abf96684688942199674d077bc1da82944

SHA512
5ecaa8f1ab1fe1eb0e0fa1d48281663e8375ff63de4773aac2e22407e5bb4a0560f746b1f886397ea24ed387597fe5d5b6d60c1d2cae53062150e342a60f646a

Download Submit
C:\Users\Admin\AppData\Local\Temp\p.exe

Filesize
28KB

MD5
36c64a8b824970bbd991986f81fa8718

SHA1
ae05cb686c3a1d79ff2e7a231b0e89befe527559

SHA256
5ebf226334f2035d115db37664e25b075cbe00badf8090dac2a49b0714bde733

SHA512
d1ca9364bc7e1cc4ef466da44f8213fb0f541635c5c4d3d0afb82fe4bea17d4ffff5efe5a198d8b818c632b35fd8e56beba14ddc24b89d8a9ff6a4ee214abc78

Download Submit
memory/3300-30-0x0000000013140000-0x0000000013188000-memory.dmp

Filesize
288KB

Download
memory/3300-32-0x0000000013140000-0x0000000013188000-memory.dmp

Filesize
288KB

Download
memory/3632-20-0x0000000013140000-0x0000000013188000-memory.dmp

Filesize
288KB

Download
memory/3632-29-0x0000000013140000-0x0000000013188000-memory.dmp

Filesize
288KB

Download
memory/4064-18-0x0000000013140000-0x00000000131E8000-memory.dmp

Filesize
672KB

Download
memory/4184-19-0x0000000014140000-0x0000000014149000-memory.dmp

Filesize
36KB

Download
memory/4184-31-0x0000000014140000-0x0000000014149000-memory.dmp

Filesize
36KB

Download
memory/4732-0-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/4732-17-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads