ffa7cbcfdc97c1bd2b043123d12dfb38754f93e4c9d6ec8d7bbdc8edc555f612

Analysis

max time kernel
141s
max time network
126s
platform
windows7_x64
resource
win7-20231020-en
resource tags

arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
submitted
28/10/2023, 18:03

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General

Target

NEAS.1978093d098dafaa49c4fe49218b7a50.exe
Size

473KB
MD5

1978093d098dafaa49c4fe49218b7a50
SHA1

d56298d42d3d2a23c3112e1eb6305cf9cff9dd9f
SHA256

ffa7cbcfdc97c1bd2b043123d12dfb38754f93e4c9d6ec8d7bbdc8edc555f612
SHA512

6c618955be4a4bce11958a986b1b7f9eb9e11ec35cea663aab7432df36047c247b7878c43ba9dc554877a2ad5203147e6237fb4c45fea0d12f22341764c049a2
SSDEEP

1536:ur3Z5IfQmv81a1xyXHZ+NGQSLNmCm6oyz7jBd7qDmbNPMJAVC+++f:yJOfQm01mxyXHZKG7pm6j77X

Score

8^/10

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
2236	attrib.exe

Deletes itself 1 IoCs

pid	Process
2700	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2856	jaohost.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\Debug\jaohost.exe	NEAS.1978093d098dafaa49c4fe49218b7a50.exe
File opened for modification	C:\Windows\Debug\jaohost.exe	NEAS.1978093d098dafaa49c4fe49218b7a50.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

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2224	NEAS.1978093d098dafaa49c4fe49218b7a50.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2224 wrote to memory of 2236	2224	NEAS.1978093d098dafaa49c4fe49218b7a50.exe	28
PID 2224 wrote to memory of 2236	2224	NEAS.1978093d098dafaa49c4fe49218b7a50.exe	28
PID 2224 wrote to memory of 2236	2224	NEAS.1978093d098dafaa49c4fe49218b7a50.exe	28
PID 2224 wrote to memory of 2236	2224	NEAS.1978093d098dafaa49c4fe49218b7a50.exe	28
PID 2224 wrote to memory of 2700	2224	NEAS.1978093d098dafaa49c4fe49218b7a50.exe	31
PID 2224 wrote to memory of 2700	2224	NEAS.1978093d098dafaa49c4fe49218b7a50.exe	31
PID 2224 wrote to memory of 2700	2224	NEAS.1978093d098dafaa49c4fe49218b7a50.exe	31
PID 2224 wrote to memory of 2700	2224	NEAS.1978093d098dafaa49c4fe49218b7a50.exe	31

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2236	attrib.exe

C:\Users\Admin\AppData\Local\Temp\NEAS.1978093d098dafaa49c4fe49218b7a50.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.1978093d098dafaa49c4fe49218b7a50.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2224
- 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
  - Views/modifies file attributes
  PID:2236
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\NEAS19~1.EXE > nul
  2⤵
  - Deletes itself
  PID:2700

C:\Windows\Debug\jaohost.exe
C:\Windows\Debug\jaohost.exe
1⤵
- Executes dropped EXE
PID:2856

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

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\Debug\jaohost.exe

Filesize
473KB

MD5
720f045796cdc4d751b13e19b63d7a95

SHA1
0bf29bf8b93b801ec85f45f7771b73c3b41bf7ee

SHA256
1beaeb6da391736b3d98fb6a853c0da834529e9ada079182590124f90a3fc7e4

SHA512
fd99fb0bfcbd7bd3c56b41c31e72cbb2549df4b52126983b2a9bf6a142992aca8cc0cc708e5502cf87f07953712cd4a0c00c6e89adb79dac1ee3550ec7b5e956

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C:\Windows\debug\jaohost.exe

Filesize
473KB

MD5
720f045796cdc4d751b13e19b63d7a95

SHA1
0bf29bf8b93b801ec85f45f7771b73c3b41bf7ee

SHA256
1beaeb6da391736b3d98fb6a853c0da834529e9ada079182590124f90a3fc7e4

SHA512
fd99fb0bfcbd7bd3c56b41c31e72cbb2549df4b52126983b2a9bf6a142992aca8cc0cc708e5502cf87f07953712cd4a0c00c6e89adb79dac1ee3550ec7b5e956

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads