89f90529ccbdb45d89149dec5f889676b390ff92c5797347f4df38c1fcf79a9e

General

Target

89f90529ccbdb45d89149dec5f889676b390ff92c5797347f4df38c1fcf79a9e.exe
Size

128KB
MD5

8dd13c211f10d02fe4ae569f83f1f53e
SHA1

02502084bf6eecda8a5d6c111049f8ce6d30f15b
SHA256

89f90529ccbdb45d89149dec5f889676b390ff92c5797347f4df38c1fcf79a9e
SHA512

95f6ad709bd7a963b5527b40925c1aa92c7f0e738b9a9a4f9fed64c89121dd4efbf07c615494314ab1227a25de34daf86fd61ea8c489f407da13b1c366b00763
SSDEEP

3072:t9MFwWCekB/iJX/Xo6mNdVLUvUgk4xmxA83DI6:XrpuXSdVQsgk4gxA8l

Score

8^/10

aspackv2 persistence

Malware Config

Signatures

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral2/files/0x0007000000022e41-133.dat	aspack_v212_v242

Loads dropped DLL 1 IoCs

pid	Process
1400	89f90529ccbdb45d89149dec5f889676b390ff92c5797347f4df38c1fcf79a9e.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\postsos = "C:\\Windows\\system32\\post.exe"	89f90529ccbdb45d89149dec5f889676b390ff92c5797347f4df38c1fcf79a9e.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\post.exe	89f90529ccbdb45d89149dec5f889676b390ff92c5797347f4df38c1fcf79a9e.exe
File opened for modification	C:\Windows\SysWOW64\post0.dll	89f90529ccbdb45d89149dec5f889676b390ff92c5797347f4df38c1fcf79a9e.exe
File created	C:\Windows\SysWOW64\post0.dll	89f90529ccbdb45d89149dec5f889676b390ff92c5797347f4df38c1fcf79a9e.exe
File opened for modification	C:\Windows\SysWOW64\post.exe	89f90529ccbdb45d89149dec5f889676b390ff92c5797347f4df38c1fcf79a9e.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1996	1400	WerFault.exe	81

Suspicious behavior: EnumeratesProcesses 34 IoCs

pid	Process
1400	89f90529ccbdb45d89149dec5f889676b390ff92c5797347f4df38c1fcf79a9e.exe
1400	89f90529ccbdb45d89149dec5f889676b390ff92c5797347f4df38c1fcf79a9e.exe
1400	89f90529ccbdb45d89149dec5f889676b390ff92c5797347f4df38c1fcf79a9e.exe
1400	89f90529ccbdb45d89149dec5f889676b390ff92c5797347f4df38c1fcf79a9e.exe
1400	89f90529ccbdb45d89149dec5f889676b390ff92c5797347f4df38c1fcf79a9e.exe
1400	89f90529ccbdb45d89149dec5f889676b390ff92c5797347f4df38c1fcf79a9e.exe
1400	89f90529ccbdb45d89149dec5f889676b390ff92c5797347f4df38c1fcf79a9e.exe
1400	89f90529ccbdb45d89149dec5f889676b390ff92c5797347f4df38c1fcf79a9e.exe
1400	89f90529ccbdb45d89149dec5f889676b390ff92c5797347f4df38c1fcf79a9e.exe
1400	89f90529ccbdb45d89149dec5f889676b390ff92c5797347f4df38c1fcf79a9e.exe
1400	89f90529ccbdb45d89149dec5f889676b390ff92c5797347f4df38c1fcf79a9e.exe
1400	89f90529ccbdb45d89149dec5f889676b390ff92c5797347f4df38c1fcf79a9e.exe
1400	89f90529ccbdb45d89149dec5f889676b390ff92c5797347f4df38c1fcf79a9e.exe
1400	89f90529ccbdb45d89149dec5f889676b390ff92c5797347f4df38c1fcf79a9e.exe
1400	89f90529ccbdb45d89149dec5f889676b390ff92c5797347f4df38c1fcf79a9e.exe
1400	89f90529ccbdb45d89149dec5f889676b390ff92c5797347f4df38c1fcf79a9e.exe
1400	89f90529ccbdb45d89149dec5f889676b390ff92c5797347f4df38c1fcf79a9e.exe
1400	89f90529ccbdb45d89149dec5f889676b390ff92c5797347f4df38c1fcf79a9e.exe
1400	89f90529ccbdb45d89149dec5f889676b390ff92c5797347f4df38c1fcf79a9e.exe
1400	89f90529ccbdb45d89149dec5f889676b390ff92c5797347f4df38c1fcf79a9e.exe
1400	89f90529ccbdb45d89149dec5f889676b390ff92c5797347f4df38c1fcf79a9e.exe
1400	89f90529ccbdb45d89149dec5f889676b390ff92c5797347f4df38c1fcf79a9e.exe
1400	89f90529ccbdb45d89149dec5f889676b390ff92c5797347f4df38c1fcf79a9e.exe
1400	89f90529ccbdb45d89149dec5f889676b390ff92c5797347f4df38c1fcf79a9e.exe
1400	89f90529ccbdb45d89149dec5f889676b390ff92c5797347f4df38c1fcf79a9e.exe
1400	89f90529ccbdb45d89149dec5f889676b390ff92c5797347f4df38c1fcf79a9e.exe
1400	89f90529ccbdb45d89149dec5f889676b390ff92c5797347f4df38c1fcf79a9e.exe
1400	89f90529ccbdb45d89149dec5f889676b390ff92c5797347f4df38c1fcf79a9e.exe
1400	89f90529ccbdb45d89149dec5f889676b390ff92c5797347f4df38c1fcf79a9e.exe
1400	89f90529ccbdb45d89149dec5f889676b390ff92c5797347f4df38c1fcf79a9e.exe
1400	89f90529ccbdb45d89149dec5f889676b390ff92c5797347f4df38c1fcf79a9e.exe
1400	89f90529ccbdb45d89149dec5f889676b390ff92c5797347f4df38c1fcf79a9e.exe
1400	89f90529ccbdb45d89149dec5f889676b390ff92c5797347f4df38c1fcf79a9e.exe
1400	89f90529ccbdb45d89149dec5f889676b390ff92c5797347f4df38c1fcf79a9e.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 1400 wrote to memory of 2744	1400	89f90529ccbdb45d89149dec5f889676b390ff92c5797347f4df38c1fcf79a9e.exe	34

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:2744
- C:\Users\Admin\AppData\Local\Temp\89f90529ccbdb45d89149dec5f889676b390ff92c5797347f4df38c1fcf79a9e.exe
  "C:\Users\Admin\AppData\Local\Temp\89f90529ccbdb45d89149dec5f889676b390ff92c5797347f4df38c1fcf79a9e.exe"
  2⤵
  - Loads dropped DLL
  - Adds Run key to start application
  - Drops file in System32 directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1400
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1400 -s 472
    3⤵
    - Program crash
    PID:1996

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1400 -ip 1400
1⤵
PID:1116

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\post0.dll

Filesize
87KB

MD5
e76552523760e6ba3ceb98e77cba5c87

SHA1
f65bd1daadff939be4ace16b629c472a591ebba0

SHA256
cdf35f214ccb97ae6f3e98921fd89ff59158416d2c3a6b48ad17b2a5c492c5e8

SHA512
cb0edc6875b821c16b73adb1fdd69fd340d883d68f38231a9a92837d7accf08476f655ea4c0dfef5525e80c9df069fdf68bce7276e8bae9433aa05cd751211d4

Download Submit
memory/1400-132-0x0000000000400000-0x0000000000487000-memory.dmp

Filesize
540KB

Download
memory/1400-134-0x0000000010000000-0x0000000010086000-memory.dmp

Filesize
536KB

Download
memory/1400-135-0x0000000000400000-0x0000000000487000-memory.dmp

Filesize
540KB

Download

Analysis

Sharing