fa887b14f58c84418bcc69e5cb39ef76d27367c960c9d16b980ab973a017ddc8

Analysis

max time kernel
155s
max time network
165s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
16-10-2023 18:25

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General

Target

NEAS.779a64ef52d3a6619d6d1be3a7451740.exe
Size

483KB
MD5

779a64ef52d3a6619d6d1be3a7451740
SHA1

b23a8f11f29cc3aa6697c0f6401735bee5fa8b8f
SHA256

fa887b14f58c84418bcc69e5cb39ef76d27367c960c9d16b980ab973a017ddc8
SHA512

4543ec62e673535430f5a7f0d524a155a409df306465555e6ccfe9bf79396aecafeef62da66efa0239a2541e28640bcf378a850b8995a21bcb2ba24f44338712
SSDEEP

6144:WdspDeDrxkg/vrMuJIgwhEFHyOrJcX/Pgqwzm5IzkWjS4e4azExBKO1t4Kb70Nqr:s8kxNhOZElO5kkWjhD4AI

Score

7^/10

persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1804	RGXATNW.EXE

Modifies system executable filetype association 2 TTPs 2 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command	RGXATNW.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\$Recycle.Bin\\OGN.EXE \"%1\" %*"	RGXATNW.EXE

UPX packed file 6 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/1800-0-0x0000000000400000-0x0000000000470000-memory.dmp	upx
behavioral2/files/0x000100000000002a-10.dat	upx
behavioral2/files/0x000200000002281a-21.dat	upx
behavioral2/files/0x000200000002281a-22.dat	upx
behavioral2/memory/1800-24-0x0000000000400000-0x0000000000470000-memory.dmp	upx
behavioral2/memory/1804-25-0x0000000000400000-0x0000000000470000-memory.dmp	upx

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\RIFT.EXE = "C:\\Program Files\\RIFT.EXE"	NEAS.779a64ef52d3a6619d6d1be3a7451740.exe

Enumerates connected drives 3 TTPs 34 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)	\??\U:	RGXATNW.EXE
File opened (read-only)	\??\G:	NEAS.779a64ef52d3a6619d6d1be3a7451740.exe
File opened (read-only)	\??\K:	NEAS.779a64ef52d3a6619d6d1be3a7451740.exe
File opened (read-only)	\??\L:	NEAS.779a64ef52d3a6619d6d1be3a7451740.exe
File opened (read-only)	\??\Q:	NEAS.779a64ef52d3a6619d6d1be3a7451740.exe
File opened (read-only)	\??\V:	RGXATNW.EXE
File opened (read-only)	\??\I:	NEAS.779a64ef52d3a6619d6d1be3a7451740.exe
File opened (read-only)	\??\R:	NEAS.779a64ef52d3a6619d6d1be3a7451740.exe
File opened (read-only)	\??\V:	NEAS.779a64ef52d3a6619d6d1be3a7451740.exe
File opened (read-only)	\??\J:	RGXATNW.EXE
File opened (read-only)	\??\E:	NEAS.779a64ef52d3a6619d6d1be3a7451740.exe
File opened (read-only)	\??\O:	RGXATNW.EXE
File opened (read-only)	\??\R:	RGXATNW.EXE
File opened (read-only)	\??\S:	RGXATNW.EXE
File opened (read-only)	\??\P:	RGXATNW.EXE
File opened (read-only)	\??\H:	NEAS.779a64ef52d3a6619d6d1be3a7451740.exe
File opened (read-only)	\??\M:	NEAS.779a64ef52d3a6619d6d1be3a7451740.exe
File opened (read-only)	\??\L:	RGXATNW.EXE
File opened (read-only)	\??\N:	RGXATNW.EXE
File opened (read-only)	\??\J:	NEAS.779a64ef52d3a6619d6d1be3a7451740.exe
File opened (read-only)	\??\N:	NEAS.779a64ef52d3a6619d6d1be3a7451740.exe
File opened (read-only)	\??\U:	NEAS.779a64ef52d3a6619d6d1be3a7451740.exe
File opened (read-only)	\??\M:	RGXATNW.EXE
File opened (read-only)	\??\E:	RGXATNW.EXE
File opened (read-only)	\??\G:	RGXATNW.EXE
File opened (read-only)	\??\Q:	RGXATNW.EXE
File opened (read-only)	\??\H:	RGXATNW.EXE
File opened (read-only)	\??\I:	RGXATNW.EXE
File opened (read-only)	\??\T:	RGXATNW.EXE
File opened (read-only)	\??\O:	NEAS.779a64ef52d3a6619d6d1be3a7451740.exe
File opened (read-only)	\??\P:	NEAS.779a64ef52d3a6619d6d1be3a7451740.exe
File opened (read-only)	\??\S:	NEAS.779a64ef52d3a6619d6d1be3a7451740.exe
File opened (read-only)	\??\T:	NEAS.779a64ef52d3a6619d6d1be3a7451740.exe
File opened (read-only)	\??\K:	RGXATNW.EXE

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files\RIFT.EXE	NEAS.779a64ef52d3a6619d6d1be3a7451740.exe
File opened for modification	C:\Program Files\RIFT.EXE	NEAS.779a64ef52d3a6619d6d1be3a7451740.exe
File created	C:\Program Files\YSAK.EXE	NEAS.779a64ef52d3a6619d6d1be3a7451740.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\RGXATNW.EXE	NEAS.779a64ef52d3a6619d6d1be3a7451740.exe

Modifies registry class 17 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\QQQ.file\shell\open	NEAS.779a64ef52d3a6619d6d1be3a7451740.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\inffile\shell\open\command\ = "C:\\Program Files\\RIFT.EXE %1"	NEAS.779a64ef52d3a6619d6d1be3a7451740.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\QQQfile\shell\open\command\ = "C:\\Program Files\\RIFT.EXE \"%1\" %*"	NEAS.779a64ef52d3a6619d6d1be3a7451740.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\QQQ.file	NEAS.779a64ef52d3a6619d6d1be3a7451740.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\QQQ.file\shell	NEAS.779a64ef52d3a6619d6d1be3a7451740.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\QQQfile\shell\open\command	NEAS.779a64ef52d3a6619d6d1be3a7451740.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\QQQfile\shell\open\command\ = "F:\\$RECYCLE.BIN\\GEDUMNP.EXE \"%1\""	NEAS.779a64ef52d3a6619d6d1be3a7451740.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command	NEAS.779a64ef52d3a6619d6d1be3a7451740.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "F:\\$RECYCLE.BIN\\GEDUMNP.EXE %1"	NEAS.779a64ef52d3a6619d6d1be3a7451740.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\QQQfile\shell	NEAS.779a64ef52d3a6619d6d1be3a7451740.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\QQQfile\shell\open	NEAS.779a64ef52d3a6619d6d1be3a7451740.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\QQQ.file\shell\open\command	NEAS.779a64ef52d3a6619d6d1be3a7451740.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\QQQfile	NEAS.779a64ef52d3a6619d6d1be3a7451740.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command	RGXATNW.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\$Recycle.Bin\\OGN.EXE \"%1\" %*"	RGXATNW.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\QQQ.file\shell\open\command\ = "F:\\$RECYCLE.BIN\\GEDUMNP.EXE %1"	NEAS.779a64ef52d3a6619d6d1be3a7451740.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\inffile\shell\open\command	NEAS.779a64ef52d3a6619d6d1be3a7451740.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1804	RGXATNW.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1800 wrote to memory of 1804	1800	NEAS.779a64ef52d3a6619d6d1be3a7451740.exe	83
PID 1800 wrote to memory of 1804	1800	NEAS.779a64ef52d3a6619d6d1be3a7451740.exe	83
PID 1800 wrote to memory of 1804	1800	NEAS.779a64ef52d3a6619d6d1be3a7451740.exe	83

C:\Users\Admin\AppData\Local\Temp\NEAS.779a64ef52d3a6619d6d1be3a7451740.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.779a64ef52d3a6619d6d1be3a7451740.exe"
1⤵
- Adds Run key to start application
- Enumerates connected drives
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1800
- C:\Windows\RGXATNW.EXE
  C:\Windows\RGXATNW.EXE
  2⤵
  - Executes dropped EXE
  - Modifies system executable filetype association
  - Enumerates connected drives
  - Modifies registry class
  - Suspicious behavior: GetForegroundWindowSpam
  PID:1804

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\RGXATNW.EXE

Filesize
484KB

MD5
2352502ebb345133595e4c01b6500cf7

SHA1
467659928122d2b221f4003828aa4d7cb7da49ac

SHA256
7d1760cec4e39c71f9e9f253904be1ded6ddfb1940ecdf7925efb9bd9af20abc

SHA512
673bfa2d9f460067661b2f12d86a3e4fd94a39d9f0f48bd56277d1d6c5e51c8faf188a65b530258fae7fb9a06492125dfa44f4f3909f7999d2b320df287fad1a

Download Submit
C:\Windows\RGXATNW.EXE

Filesize
484KB

MD5
2352502ebb345133595e4c01b6500cf7

SHA1
467659928122d2b221f4003828aa4d7cb7da49ac

SHA256
7d1760cec4e39c71f9e9f253904be1ded6ddfb1940ecdf7925efb9bd9af20abc

SHA512
673bfa2d9f460067661b2f12d86a3e4fd94a39d9f0f48bd56277d1d6c5e51c8faf188a65b530258fae7fb9a06492125dfa44f4f3909f7999d2b320df287fad1a

Download Submit
F:\$RECYCLE.BIN\GEDUMNP.EXE

Filesize
484KB

MD5
59173a7ecf614dc2149f03cd0bba8d1f

SHA1
99aca5f4d0d91d14360dc827421108a69a87a45a

SHA256
31a868e87e6e42af8c40aaff7852c5aab67e9ce5b84b17a4baca0c2d325bc1e8

SHA512
27c3354dd643ebfb557741120d611acb5cf6009bfa1b608c7412bb3c98a9980519afbecc745302e03f50c32c9e2bc8b7117ff733b6bfb8b79c675fa2a3eb6ddf

Download Submit
\??\c:\filedebug

Filesize
273B

MD5
23520138624e96d6f13041a395fd1994

SHA1
fe1e7fa38c205d3f5ec8a3135bae87bead0cdaa2

SHA256
9f8684b1ad705469b70e562fad0518a68f366252db3fdf773be8523905d0d750

SHA512
30f762cbae0502a732350703348692f9526b72481bac468c3b036e13c9ff12d58e16e0f0fb5ee1f2cdcf71685664d86c49bef7886c4c5a4686feb5853bd9bd6a

Download Submit
memory/1800-0-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/1800-1-0x0000000002200000-0x0000000002201000-memory.dmp

Filesize
4KB

Download
memory/1800-24-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/1804-23-0x00000000020C0000-0x00000000020C1000-memory.dmp

Filesize
4KB

Download
memory/1804-25-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/1804-26-0x00000000020C0000-0x00000000020C1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads