a29aba426a3ff03e5adb7342fe2f580f4d0465179dff294f9717be13e017172d

General

Target

NEAS.241e07b1baf322377bd54966570a561d_JC.exe
Size

488KB
MD5

241e07b1baf322377bd54966570a561d
SHA1

72d77b3c7cd31282f3afa0ef02565dd310428d85
SHA256

a29aba426a3ff03e5adb7342fe2f580f4d0465179dff294f9717be13e017172d
SHA512

64000cb298e8cc8bffca6927ba0b535a0f26e0ac44508980a12a9ab48a2629c871f175d8603d2d8d0a584aa98d600ab39a939bcce77dc587b94a23c05571dc3e
SSDEEP

6144:53OOCKLlcPKJEld2zJQPfuSlMHyaXXu6FQGkcC+V5R5azYBONNYJIBtFc:FOOZpUtlwX+zc7V5Rn1JY

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4740	UXEGXMI.EXE

Modifies system executable filetype association 2 TTPs 3 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command	NEAS.241e07b1baf322377bd54966570a561d_JC.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\PerfLogs\\YPKO.EXE \"%1\" %*"	NEAS.241e07b1baf322377bd54966570a561d_JC.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command	UXEGXMI.EXE

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\YPKO.EXE = "C:\\PerfLogs\\YPKO.EXE"	NEAS.241e07b1baf322377bd54966570a561d_JC.exe

Enumerates connected drives 3 TTPs 17 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\G:	NEAS.241e07b1baf322377bd54966570a561d_JC.exe
File opened (read-only)	\??\K:	NEAS.241e07b1baf322377bd54966570a561d_JC.exe
File opened (read-only)	\??\N:	NEAS.241e07b1baf322377bd54966570a561d_JC.exe
File opened (read-only)	\??\P:	NEAS.241e07b1baf322377bd54966570a561d_JC.exe
File opened (read-only)	\??\Q:	NEAS.241e07b1baf322377bd54966570a561d_JC.exe
File opened (read-only)	\??\H:	NEAS.241e07b1baf322377bd54966570a561d_JC.exe
File opened (read-only)	\??\I:	NEAS.241e07b1baf322377bd54966570a561d_JC.exe
File opened (read-only)	\??\O:	NEAS.241e07b1baf322377bd54966570a561d_JC.exe
File opened (read-only)	\??\S:	NEAS.241e07b1baf322377bd54966570a561d_JC.exe
File opened (read-only)	\??\T:	NEAS.241e07b1baf322377bd54966570a561d_JC.exe
File opened (read-only)	\??\U:	NEAS.241e07b1baf322377bd54966570a561d_JC.exe
File opened (read-only)	\??\E:	NEAS.241e07b1baf322377bd54966570a561d_JC.exe
File opened (read-only)	\??\L:	NEAS.241e07b1baf322377bd54966570a561d_JC.exe
File opened (read-only)	\??\M:	NEAS.241e07b1baf322377bd54966570a561d_JC.exe
File opened (read-only)	\??\R:	NEAS.241e07b1baf322377bd54966570a561d_JC.exe
File opened (read-only)	\??\J:	NEAS.241e07b1baf322377bd54966570a561d_JC.exe
File opened (read-only)	\??\V:	NEAS.241e07b1baf322377bd54966570a561d_JC.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\UXEGXMI.EXE	NEAS.241e07b1baf322377bd54966570a561d_JC.exe
File opened for modification	C:\Windows\UXEGXMI.EXE	NEAS.241e07b1baf322377bd54966570a561d_JC.exe

Modifies registry class 15 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\inifile\shell\open\command	NEAS.241e07b1baf322377bd54966570a561d_JC.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\chm.file	NEAS.241e07b1baf322377bd54966570a561d_JC.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\scrfile\shell\open\command	NEAS.241e07b1baf322377bd54966570a561d_JC.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\regfile\shell\open\command	NEAS.241e07b1baf322377bd54966570a561d_JC.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\regfile\shell\open\command\ = "C:\\PerfLogs\\YPKO.EXE \"%1\""	NEAS.241e07b1baf322377bd54966570a561d_JC.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command	NEAS.241e07b1baf322377bd54966570a561d_JC.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command	UXEGXMI.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\scrfile\shell\open\command\ = "C:\\PerfLogs\\FAFF.EXE \"%1\""	NEAS.241e07b1baf322377bd54966570a561d_JC.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command	NEAS.241e07b1baf322377bd54966570a561d_JC.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "C:\\PerfLogs\\FAFF.EXE %1"	NEAS.241e07b1baf322377bd54966570a561d_JC.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\chm.file\shell	NEAS.241e07b1baf322377bd54966570a561d_JC.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\chm.file\shell\open	NEAS.241e07b1baf322377bd54966570a561d_JC.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\chm.file\shell\open\command	NEAS.241e07b1baf322377bd54966570a561d_JC.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\inifile\shell\open\command\ = "C:\\PerfLogs\\YPKO.EXE %1"	NEAS.241e07b1baf322377bd54966570a561d_JC.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\PerfLogs\\YPKO.EXE \"%1\" %*"	NEAS.241e07b1baf322377bd54966570a561d_JC.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4740	UXEGXMI.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4668 wrote to memory of 4740	4668	NEAS.241e07b1baf322377bd54966570a561d_JC.exe	86
PID 4668 wrote to memory of 4740	4668	NEAS.241e07b1baf322377bd54966570a561d_JC.exe	86
PID 4668 wrote to memory of 4740	4668	NEAS.241e07b1baf322377bd54966570a561d_JC.exe	86

C:\Users\Admin\AppData\Local\Temp\NEAS.241e07b1baf322377bd54966570a561d_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.241e07b1baf322377bd54966570a561d_JC.exe"
1⤵
- Modifies system executable filetype association
- Adds Run key to start application
- Enumerates connected drives
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4668
- C:\Windows\UXEGXMI.EXE
  C:\Windows\UXEGXMI.EXE
  2⤵
  - Executes dropped EXE
  - Modifies system executable filetype association
  - Modifies registry class
  - Suspicious behavior: GetForegroundWindowSpam
  PID:4740

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

Event Triggered Execution

1

T1546

Change Default File Association

1

T1546.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Event Triggered Execution

1

T1546

Change Default File Association

1

T1546.001

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\PerfLogs\FAFF.EXE

Filesize
488KB

MD5
b3d56d3832230c995e71b18d5ec67ceb

SHA1
aba8fecb0385957554bb0d203e4b1008ae4fe4bc

SHA256
24fed21cfb889b427cdd0c5e78821c51b1da4c3e62114419d06322b25040091d

SHA512
2737f2158bc13b2f01f9906945d950ecc9ee5b263ec02ea33324d94a21736f68903bc271dd21611b0b074ca1ed094ab10201c9a389a58ae651b0afcb06089d57

Download Submit
C:\Windows\UXEGXMI.EXE

Filesize
489KB

MD5
aa281779393bd47d375a3bfd58c9ec8c

SHA1
410ffa77eda1637e24b585906fd28a8fabaa5592

SHA256
d02bc1ef1d4e0dbe27fb61e3c4dad095afba45e3d5ea43088dffba834ef13b4f

SHA512
298e9d859b14600c35118b5d3895dc4cd8e411ebcdcce3cb82a69c8b72cecfb858c560b71f584c5e08a597dd8d3877c011247611bfbf5f353b0957e60eb6c140

Download Submit
C:\Windows\UXEGXMI.EXE

Filesize
489KB

MD5
aa281779393bd47d375a3bfd58c9ec8c

SHA1
410ffa77eda1637e24b585906fd28a8fabaa5592

SHA256
d02bc1ef1d4e0dbe27fb61e3c4dad095afba45e3d5ea43088dffba834ef13b4f

SHA512
298e9d859b14600c35118b5d3895dc4cd8e411ebcdcce3cb82a69c8b72cecfb858c560b71f584c5e08a597dd8d3877c011247611bfbf5f353b0957e60eb6c140

Download Submit
C:\filedebug

Filesize
202B

MD5
3bf1c6f182aa36cec2502e2966fd887a

SHA1
47f786f54a211bf03c4de3aea09eb66a5abd0db0

SHA256
f2c02de1566ec1464bb30ab35393795ad960fb045cfaf38a25a20b1e62689ae0

SHA512
2de71a193c5118deb3b8b85e236f4f83e93f1d3cf5744045af8850de8cbe31afa80e1e6b2efde69a234b02ffef2c32d97cc86ca8035c4bcb35c3b9d01b6392bb

Download Submit
memory/4668-0-0x0000000000400000-0x0000000000475000-memory.dmp

Filesize
468KB

Download
memory/4668-1-0x0000000000780000-0x0000000000781000-memory.dmp

Filesize
4KB

Download
memory/4668-24-0x0000000000400000-0x0000000000475000-memory.dmp

Filesize
468KB

Download
memory/4740-23-0x0000000000630000-0x0000000000631000-memory.dmp

Filesize
4KB

Download
memory/4740-25-0x0000000000400000-0x0000000000475000-memory.dmp

Filesize
468KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads