def5dbf8e48af782ccb741ff6a1e1357af8dcafb701089b7f2d1c0919ae79f05

General

Target

Requirement list.exe
Size

648KB
MD5

5dff100422e961e681af596f5307ba6d
SHA1

68735aa701b4be6df63b0fed0edec4800027836b
SHA256

def5dbf8e48af782ccb741ff6a1e1357af8dcafb701089b7f2d1c0919ae79f05
SHA512

07aab159926347c24b6513c7f34a6fd52804f144ca1ff549aea14105a6bcaea715d8258a684be5fb852e9f33f87b96b991503b826bdef77b1dd2de29ac892c95

Score

8^/10

spyware persistence

Malware Config

Signatures

Suspicious use of SetThreadContext 3 IoCs

Processes:

Requirement list.exeRequirement list.exechkdsk.exe

description	pid	process	target process
PID 3356 set thread context of 3448	3356	Requirement list.exe	Requirement list.exe
PID 3448 set thread context of 3008	3448	Requirement list.exe	Explorer.EXE
PID 3892 set thread context of 3008	3892	chkdsk.exe	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

Explorer.EXE

pid process

3008 Explorer.EXE
Suspicious use of SendNotifyMessage 1 IoCs

Processes:

Explorer.EXE

pid process

3008 Explorer.EXE
Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

chkdsk.exe

description ioc process

Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier chkdsk.exe
Drops file in Program Files directory 1 IoCs

Processes:

chkdsk.exe

description ioc process

File opened for modification C:\Program Files (x86)\G6l9l_rn\vrylv40ylvhg8lh.exe chkdsk.exe

pid	process
3008	Explorer.EXE

pid	process
3008	Explorer.EXE

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	chkdsk.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\G6l9l_rn\vrylv40ylvhg8lh.exe	chkdsk.exe

Adds Run entry to policy start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

chkdsk.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	chkdsk.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\_ZD07BMXCN = "C:\\Program Files (x86)\\G6l9l_rn\\vrylv40ylvhg8lh.exe"	chkdsk.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

Processes:

Requirement list.exeRequirement list.exechkdsk.exe

pid	process
3356	Requirement list.exe
3356	Requirement list.exe
3448	Requirement list.exe
3448	Requirement list.exe
3448	Requirement list.exe
3448	Requirement list.exe
3892	chkdsk.exe
3892	chkdsk.exe
3892	chkdsk.exe
3892	chkdsk.exe
3892	chkdsk.exe
3892	chkdsk.exe
3892	chkdsk.exe
3892	chkdsk.exe
3892	chkdsk.exe
3892	chkdsk.exe
3892	chkdsk.exe
3892	chkdsk.exe
3892	chkdsk.exe
3892	chkdsk.exe
3892	chkdsk.exe
3892	chkdsk.exe
3892	chkdsk.exe
3892	chkdsk.exe
3892	chkdsk.exe
3892	chkdsk.exe
3892	chkdsk.exe
3892	chkdsk.exe
3892	chkdsk.exe
3892	chkdsk.exe
3892	chkdsk.exe
3892	chkdsk.exe
3892	chkdsk.exe
3892	chkdsk.exe
3892	chkdsk.exe
3892	chkdsk.exe
3892	chkdsk.exe
3892	chkdsk.exe
3892	chkdsk.exe
3892	chkdsk.exe
3892	chkdsk.exe
3892	chkdsk.exe
3892	chkdsk.exe
3892	chkdsk.exe
3892	chkdsk.exe
3892	chkdsk.exe
3892	chkdsk.exe
3892	chkdsk.exe
3892	chkdsk.exe
3892	chkdsk.exe
3892	chkdsk.exe
3892	chkdsk.exe
3892	chkdsk.exe
3892	chkdsk.exe
3892	chkdsk.exe
3892	chkdsk.exe
3892	chkdsk.exe
3892	chkdsk.exe
3892	chkdsk.exe
3892	chkdsk.exe

Suspicious behavior: MapViewOfSection 8 IoCs

Processes:

Requirement list.exeRequirement list.exechkdsk.exe

pid	process
3356	Requirement list.exe
3448	Requirement list.exe
3448	Requirement list.exe
3448	Requirement list.exe
3892	chkdsk.exe
3892	chkdsk.exe
3892	chkdsk.exe
3892	chkdsk.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

Processes:

Requirement list.exeExplorer.EXEchkdsk.exe

description	pid	process
Token: SeDebugPrivilege	3448	Requirement list.exe
Token: SeShutdownPrivilege	3008	Explorer.EXE
Token: SeCreatePagefilePrivilege	3008	Explorer.EXE
Token: SeDebugPrivilege	3892	chkdsk.exe
Token: SeShutdownPrivilege	3008	Explorer.EXE
Token: SeCreatePagefilePrivilege	3008	Explorer.EXE
Token: SeShutdownPrivilege	3008	Explorer.EXE
Token: SeCreatePagefilePrivilege	3008	Explorer.EXE
Token: SeShutdownPrivilege	3008	Explorer.EXE
Token: SeCreatePagefilePrivilege	3008	Explorer.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
System policy modification 1 TTPs 1 IoCs
evasion

Modify Registry
T1112

Processes:

chkdsk.exe

description ioc process

Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer chkdsk.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer	chkdsk.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

chkdsk.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-2066881839-3229799743-3576549721-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	chkdsk.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

Requirement list.exeExplorer.EXEchkdsk.exe

description	pid	process	target process
PID 3356 wrote to memory of 3448	3356	Requirement list.exe	Requirement list.exe
PID 3356 wrote to memory of 3448	3356	Requirement list.exe	Requirement list.exe
PID 3356 wrote to memory of 3448	3356	Requirement list.exe	Requirement list.exe
PID 3008 wrote to memory of 3892	3008	Explorer.EXE	chkdsk.exe
PID 3008 wrote to memory of 3892	3008	Explorer.EXE	chkdsk.exe
PID 3008 wrote to memory of 3892	3008	Explorer.EXE	chkdsk.exe
PID 3892 wrote to memory of 2020	3892	chkdsk.exe	cmd.exe
PID 3892 wrote to memory of 2020	3892	chkdsk.exe	cmd.exe
PID 3892 wrote to memory of 2020	3892	chkdsk.exe	cmd.exe
PID 3892 wrote to memory of 1644	3892	chkdsk.exe	cmd.exe
PID 3892 wrote to memory of 1644	3892	chkdsk.exe	cmd.exe
PID 3892 wrote to memory of 1644	3892	chkdsk.exe	cmd.exe
PID 3892 wrote to memory of 812	3892	chkdsk.exe	Firefox.exe
PID 3892 wrote to memory of 812	3892	chkdsk.exe	Firefox.exe
PID 3892 wrote to memory of 812	3892	chkdsk.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3008

C:\Users\Admin\AppData\Local\Temp\Requirement list.exe
"C:\Users\Admin\AppData\Local\Temp\Requirement list.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3356

C:\Users\Admin\AppData\Local\Temp\Requirement list.exe
"C:\Users\Admin\AppData\Local\Temp\Requirement list.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:3448

C:\Windows\SysWOW64\chkdsk.exe
"C:\Windows\SysWOW64\chkdsk.exe"
2⤵
- Suspicious use of SetThreadContext
- Enumerates system info in registry
- Drops file in Program Files directory
- Adds Run entry to policy start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- System policy modification
- Modifies Internet Explorer settings
- Suspicious use of WriteProcessMemory
PID:3892

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Requirement list.exe"
3⤵
PID:2020

C:\Windows\SysWOW64\cmd.exe
/c copy "C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V
3⤵
PID:1644

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:812

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

3

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\DB1

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C:\Users\Admin\AppData\Roaming\2MAB93A4\2MAlogim.jpeg

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C:\Users\Admin\AppData\Roaming\2MAB93A4\2MAlogrf.ini

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C:\Users\Admin\AppData\Roaming\2MAB93A4\2MAlogrg.ini

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C:\Users\Admin\AppData\Roaming\2MAB93A4\2MAlogri.ini

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C:\Users\Admin\AppData\Roaming\2MAB93A4\2MAlogrv.ini

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memory/812-13-0x00007FF7439B0000-0x00007FF743A43000-memory.dmp

Filesize
588KB

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memory/812-10-0x0000000000000000-mapping.dmp

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memory/812-11-0x00007FF7439B0000-0x00007FF743A43000-memory.dmp

Filesize
588KB

Download
memory/812-12-0x00007FF7439B0000-0x00007FF743A43000-memory.dmp

Filesize
588KB

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memory/1644-7-0x0000000000000000-mapping.dmp

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memory/2020-5-0x0000000000000000-mapping.dmp

Download
memory/3448-0-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

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memory/3448-1-0x000000000041E2E0-mapping.dmp

Download
memory/3892-6-0x0000000006570000-0x00000000066F1000-memory.dmp

Filesize
1.5MB

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memory/3892-4-0x0000000000920000-0x000000000092A000-memory.dmp

Filesize
40KB

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memory/3892-3-0x0000000000920000-0x000000000092A000-memory.dmp

Filesize
40KB

Download
memory/3892-2-0x0000000000000000-mapping.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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