46bf873406ef28e96eab03e783ff68b1a45c0e512c200706eb27a338d4f1458f

Analysis

max time kernel
117s
max time network
123s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
26-07-2024 03:01

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General

Target

6005a146de106a3bd5cce4a1980e5650N.exe
Size

63KB
MD5

6005a146de106a3bd5cce4a1980e5650
SHA1

49ca8661752c9b40ae3099d6f51fcf96e6fc162b
SHA256

46bf873406ef28e96eab03e783ff68b1a45c0e512c200706eb27a338d4f1458f
SHA512

f516ec5eba9c0c1eb7a2aa045decaf83178f8630f568d1395ed730d1526e7c332b0fd0081b1f3f90167b12dea32794fee5ac8273562f6e49a4e1bd2aa5f55190
SSDEEP

768:OrItKyw5WHXfQmjIiIk9ecAa6cMb964yXhDLdr:Or3Z5IfQmv81awvyX5Zr

Score

8^/10

defense_evasion discovery evasion

Malware Config

Signatures

Sets file to hidden 1 TTPs 1 IoCs

Modifies file attributes to stop it showing in Explorer etc.

evasion

Hidden Files and Directories

T1564.001

pid	Process
2176	attrib.exe

Deletes itself 1 IoCs

pid	Process
2768	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2292	jaohost.exe

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\Debug\jaohost.exe	6005a146de106a3bd5cce4a1980e5650N.exe
File opened for modification	C:\Windows\Debug\jaohost.exe	6005a146de106a3bd5cce4a1980e5650N.exe
File opened for modification	C:\Windows\Debug\jaohost.exe	attrib.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6005a146de106a3bd5cce4a1980e5650N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jaohost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2072	6005a146de106a3bd5cce4a1980e5650N.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2072 wrote to memory of 2176	2072	6005a146de106a3bd5cce4a1980e5650N.exe	30
PID 2072 wrote to memory of 2176	2072	6005a146de106a3bd5cce4a1980e5650N.exe	30
PID 2072 wrote to memory of 2176	2072	6005a146de106a3bd5cce4a1980e5650N.exe	30
PID 2072 wrote to memory of 2176	2072	6005a146de106a3bd5cce4a1980e5650N.exe	30
PID 2072 wrote to memory of 2768	2072	6005a146de106a3bd5cce4a1980e5650N.exe	33
PID 2072 wrote to memory of 2768	2072	6005a146de106a3bd5cce4a1980e5650N.exe	33
PID 2072 wrote to memory of 2768	2072	6005a146de106a3bd5cce4a1980e5650N.exe	33
PID 2072 wrote to memory of 2768	2072	6005a146de106a3bd5cce4a1980e5650N.exe	33

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2176	attrib.exe

C:\Users\Admin\AppData\Local\Temp\6005a146de106a3bd5cce4a1980e5650N.exe
"C:\Users\Admin\AppData\Local\Temp\6005a146de106a3bd5cce4a1980e5650N.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2072
- C:\Windows\SysWOW64\attrib.exe
  attrib +a +s +h +r C:\Windows\Debug\jaohost.exe
  2⤵
  - Sets file to hidden
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Views/modifies file attributes
  PID:2176
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\6005A1~1.EXE > nul
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2768

C:\Windows\Debug\jaohost.exe
C:\Windows\Debug\jaohost.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2292

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Indicator Removal

T1070

File Deletion

T1070.004

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\debug\jaohost.exe

Filesize
63KB

MD5
2f8ccda174b41b87cf108b69d7395049

SHA1
e867754a65ac6bdc2c157493c80fefe3e5686838

SHA256
4b72203b3eeabafecc60e5358f7e4ce193feccb9f082df61c6f41519a38c6d86

SHA512
215bc7debbbfa1c06d02128c47154bb5499d805da3b0506cc7e7155f7e276f5ba10b5077450fecf8e13239682745e489fdca242e41067820a4d8fe8ce5b5711f

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads