69c331cf95a4e06032e0a3efabc8710b224440a047f6a56ac43c9d73f0a1f244

General

Target

69c331cf95a4e06032e0a3efabc8710b224440a047f6a56ac43c9d73f0a1f244.exe
Size

477KB
MD5

80b34dbb2818cc77ee5651ccf3226790
SHA1

c78541c6fb6edd47b1b50c3bac68bf9effcd480e
SHA256

69c331cf95a4e06032e0a3efabc8710b224440a047f6a56ac43c9d73f0a1f244
SHA512

10cedff372e4d17fe251b1d7127d26c94a4766c0522315b1c9f5445cf7b2dfc1972ce9b5f3783dc8f28a3625b75a241a0209341e57dd073cc3f9aac25737178d
SSDEEP

6144:QdspDeDrxkg/vrMuJIgwhEFHyOrJcX/Pgqwzm5IzkWjS4e4azExBKO1t4Kb70NqT:28kxNhOZElO5kkWjhD4AOj5lG

Score

10^/10

persistence upx

Malware Config

Signatures

Modifies system executable filetype association 2 TTPs 3 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1042

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command	69c331cf95a4e06032e0a3efabc8710b224440a047f6a56ac43c9d73f0a1f244.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Program Files\\YIKTO.EXE \"%1\" %*"	69c331cf95a4e06032e0a3efabc8710b224440a047f6a56ac43c9d73f0a1f244.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command	YCFUXM.EXE

Executes dropped EXE 1 IoCs

pid	Process
1112	YCFUXM.EXE

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4920-132-0x0000000000400000-0x0000000000478000-memory.dmp	upx
behavioral2/files/0x0003000000022de9-134.dat	upx
behavioral2/files/0x0003000000022de9-135.dat	upx
behavioral2/memory/1112-136-0x0000000000400000-0x0000000000478000-memory.dmp	upx
behavioral2/memory/4920-137-0x0000000000400000-0x0000000000478000-memory.dmp	upx
behavioral2/memory/1112-138-0x0000000000400000-0x0000000000478000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	69c331cf95a4e06032e0a3efabc8710b224440a047f6a56ac43c9d73f0a1f244.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\IPTXX.EXE = "C:\\Program Files (x86)\\IPTXX.EXE"	69c331cf95a4e06032e0a3efabc8710b224440a047f6a56ac43c9d73f0a1f244.exe

Enumerates connected drives 3 TTPs 18 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)	\??\M:	69c331cf95a4e06032e0a3efabc8710b224440a047f6a56ac43c9d73f0a1f244.exe
File opened (read-only)	\??\T:	69c331cf95a4e06032e0a3efabc8710b224440a047f6a56ac43c9d73f0a1f244.exe
File opened (read-only)	\??\V:	69c331cf95a4e06032e0a3efabc8710b224440a047f6a56ac43c9d73f0a1f244.exe
File opened (read-only)	\??\I:	69c331cf95a4e06032e0a3efabc8710b224440a047f6a56ac43c9d73f0a1f244.exe
File opened (read-only)	\??\H:	69c331cf95a4e06032e0a3efabc8710b224440a047f6a56ac43c9d73f0a1f244.exe
File opened (read-only)	\??\J:	69c331cf95a4e06032e0a3efabc8710b224440a047f6a56ac43c9d73f0a1f244.exe
File opened (read-only)	\??\K:	69c331cf95a4e06032e0a3efabc8710b224440a047f6a56ac43c9d73f0a1f244.exe
File opened (read-only)	\??\N:	69c331cf95a4e06032e0a3efabc8710b224440a047f6a56ac43c9d73f0a1f244.exe
File opened (read-only)	\??\P:	69c331cf95a4e06032e0a3efabc8710b224440a047f6a56ac43c9d73f0a1f244.exe
File opened (read-only)	\??\Q:	69c331cf95a4e06032e0a3efabc8710b224440a047f6a56ac43c9d73f0a1f244.exe
File opened (read-only)	\??\R:	69c331cf95a4e06032e0a3efabc8710b224440a047f6a56ac43c9d73f0a1f244.exe
File opened (read-only)	\??\G:	69c331cf95a4e06032e0a3efabc8710b224440a047f6a56ac43c9d73f0a1f244.exe
File opened (read-only)	\??\U:	69c331cf95a4e06032e0a3efabc8710b224440a047f6a56ac43c9d73f0a1f244.exe
File opened (read-only)	\??\F:	69c331cf95a4e06032e0a3efabc8710b224440a047f6a56ac43c9d73f0a1f244.exe
File opened (read-only)	\??\E:	69c331cf95a4e06032e0a3efabc8710b224440a047f6a56ac43c9d73f0a1f244.exe
File opened (read-only)	\??\O:	69c331cf95a4e06032e0a3efabc8710b224440a047f6a56ac43c9d73f0a1f244.exe
File opened (read-only)	\??\S:	69c331cf95a4e06032e0a3efabc8710b224440a047f6a56ac43c9d73f0a1f244.exe
File opened (read-only)	\??\L:	69c331cf95a4e06032e0a3efabc8710b224440a047f6a56ac43c9d73f0a1f244.exe

Drops file in Program Files directory 9 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\NALOQM.EXE	69c331cf95a4e06032e0a3efabc8710b224440a047f6a56ac43c9d73f0a1f244.exe
File created	C:\Program Files (x86)\YFUGT.EXE	69c331cf95a4e06032e0a3efabc8710b224440a047f6a56ac43c9d73f0a1f244.exe
File created	C:\Program Files\RUZQU.EXE	69c331cf95a4e06032e0a3efabc8710b224440a047f6a56ac43c9d73f0a1f244.exe
File created	C:\Program Files (x86)\IPTXX.EXE	69c331cf95a4e06032e0a3efabc8710b224440a047f6a56ac43c9d73f0a1f244.exe
File created	C:\Program Files (x86)\YCFUXM.EXE	69c331cf95a4e06032e0a3efabc8710b224440a047f6a56ac43c9d73f0a1f244.exe
File opened for modification	C:\Program Files\FSGKN.EXE	69c331cf95a4e06032e0a3efabc8710b224440a047f6a56ac43c9d73f0a1f244.exe
File created	C:\Program Files\YIKTO.EXE	69c331cf95a4e06032e0a3efabc8710b224440a047f6a56ac43c9d73f0a1f244.exe
File opened for modification	C:\Program Files\YIKTO.EXE	69c331cf95a4e06032e0a3efabc8710b224440a047f6a56ac43c9d73f0a1f244.exe
File created	C:\Program Files\FSGKN.EXE	69c331cf95a4e06032e0a3efabc8710b224440a047f6a56ac43c9d73f0a1f244.exe

Modifies registry class 15 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command	69c331cf95a4e06032e0a3efabc8710b224440a047f6a56ac43c9d73f0a1f244.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\chm.file\shell	69c331cf95a4e06032e0a3efabc8710b224440a047f6a56ac43c9d73f0a1f244.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\inifile\shell\open\command	69c331cf95a4e06032e0a3efabc8710b224440a047f6a56ac43c9d73f0a1f244.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command	69c331cf95a4e06032e0a3efabc8710b224440a047f6a56ac43c9d73f0a1f244.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\scrfile\shell\open\command	69c331cf95a4e06032e0a3efabc8710b224440a047f6a56ac43c9d73f0a1f244.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\regfile\shell\open\command\ = "C:\\Program Files\\FSGKN.EXE \"%1\""	69c331cf95a4e06032e0a3efabc8710b224440a047f6a56ac43c9d73f0a1f244.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "C:\\Program Files (x86)\\YFUGT.EXE %1"	69c331cf95a4e06032e0a3efabc8710b224440a047f6a56ac43c9d73f0a1f244.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\chm.file	69c331cf95a4e06032e0a3efabc8710b224440a047f6a56ac43c9d73f0a1f244.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\chm.file\shell\open	69c331cf95a4e06032e0a3efabc8710b224440a047f6a56ac43c9d73f0a1f244.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\scrfile\shell\open\command\ = "C:\\Program Files\\FSGKN.EXE \"%1\""	69c331cf95a4e06032e0a3efabc8710b224440a047f6a56ac43c9d73f0a1f244.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\chm.file\shell\open\command	69c331cf95a4e06032e0a3efabc8710b224440a047f6a56ac43c9d73f0a1f244.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\regfile\shell\open\command	69c331cf95a4e06032e0a3efabc8710b224440a047f6a56ac43c9d73f0a1f244.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\inifile\shell\open\command\ = "C:\\Program Files\\YIKTO.EXE %1"	69c331cf95a4e06032e0a3efabc8710b224440a047f6a56ac43c9d73f0a1f244.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Program Files\\YIKTO.EXE \"%1\" %*"	69c331cf95a4e06032e0a3efabc8710b224440a047f6a56ac43c9d73f0a1f244.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command	YCFUXM.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1112	YCFUXM.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4920 wrote to memory of 1112	4920	69c331cf95a4e06032e0a3efabc8710b224440a047f6a56ac43c9d73f0a1f244.exe	82
PID 4920 wrote to memory of 1112	4920	69c331cf95a4e06032e0a3efabc8710b224440a047f6a56ac43c9d73f0a1f244.exe	82
PID 4920 wrote to memory of 1112	4920	69c331cf95a4e06032e0a3efabc8710b224440a047f6a56ac43c9d73f0a1f244.exe	82

C:\Users\Admin\AppData\Local\Temp\69c331cf95a4e06032e0a3efabc8710b224440a047f6a56ac43c9d73f0a1f244.exe
"C:\Users\Admin\AppData\Local\Temp\69c331cf95a4e06032e0a3efabc8710b224440a047f6a56ac43c9d73f0a1f244.exe"
1⤵
- Modifies system executable filetype association
- Adds Run key to start application
- Enumerates connected drives
- Drops file in Program Files directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4920
- C:\Program Files (x86)\YCFUXM.EXE
  "C:\Program Files (x86)\YCFUXM.EXE"
  2⤵
  - Modifies system executable filetype association
  - Executes dropped EXE
  - Modifies registry class
  - Suspicious behavior: GetForegroundWindowSpam
  PID:1112

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Change Default File Association

1

T1042

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

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

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Downloads

C:\Program Files (x86)\YCFUXM.EXE

Filesize
477KB

MD5
80ad4d2191927b49e8b20c213424adb8

SHA1
3f923ef5b3b990fc7e8f66d0f195f45a6eb2a27a

SHA256
67cfacef4e8ea7ceee464c49e487f24d5ad4e4aa8efb1081c1878b38d07623f1

SHA512
ae1db3828d9e962844c14360f2311633bf055deab20a6b6accdfe640f5e59ae66a5dd48682833eaf66006c15451e610e2f8adda4881cba28585802f9aff7d37c

Download Submit
C:\Program Files (x86)\YCFUXM.EXE

Filesize
477KB

MD5
80ad4d2191927b49e8b20c213424adb8

SHA1
3f923ef5b3b990fc7e8f66d0f195f45a6eb2a27a

SHA256
67cfacef4e8ea7ceee464c49e487f24d5ad4e4aa8efb1081c1878b38d07623f1

SHA512
ae1db3828d9e962844c14360f2311633bf055deab20a6b6accdfe640f5e59ae66a5dd48682833eaf66006c15451e610e2f8adda4881cba28585802f9aff7d37c

Download Submit
memory/1112-136-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1112-138-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/4920-132-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/4920-137-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads