f8e972a26117bd14f5ec4dca9de0244d0bfd29bbbfd9104b2ccdc49fa93416d8

Resubmissions

09/02/2023, 12:02

230209-n7e4pabe53 7

09/02/2023, 12:01

230209-n7bq9sbb7y 7

21/01/2022, 22:50

220121-2sqtjabgf5 9

Analysis

max time kernel
137s
max time network
136s
platform
windows7_x64
resource
win7-en-20211208
submitted
21/01/2022, 22:50

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Report Analysis Logs

General

Target

f8e972a26117bd14f5ec4dca9de0244d0bfd29bbbfd9104b2ccdc49fa93416d8.dll
Size

143KB
MD5

80a2bb7884b8bad4a8e83c2cb03ee343
SHA1

6620029006c7174987ddcbe48dc0d4ceb6fe584c
SHA256

f8e972a26117bd14f5ec4dca9de0244d0bfd29bbbfd9104b2ccdc49fa93416d8
SHA512

6af7016a956f226fe38cfe9fb6cb64044cb47706a509dc117c061f92ea30e59013936dd942ab1a1744d080a30e6d0605866b694edf761e32818e9208af21a85c

Score

9^/10

persistence upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 2 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x0009000000013947-59.dat	acprotect
behavioral1/files/0x0009000000013947-60.dat	acprotect

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x0009000000013947-59.dat	upx
behavioral1/files/0x0009000000013947-60.dat	upx

Deletes itself 1 IoCs

pid	Process
1428	cmd.exe

Loads dropped DLL 1 IoCs

pid	Process
1028	regsvr32.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows\CurrentVersion\Run	regsvr32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows\CurrentVersion\Run\WindowsDefenderAutoUpdate = "regsvr32.exe /s \"C:\\ProgramData\\Software\\Microsoft\\Windows\\Defender\\AutoUpdate.dll\""	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows\CurrentVersion\Run	regsvr32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows\CurrentVersion\Run\WindowsDefenderAutoUpdate = "regsvr32.exe /s \"C:\\ProgramData\\Software\\Microsoft\\Windows\\Defender\\AutoUpdate.dll\""	regsvr32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1028	regsvr32.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 980 wrote to memory of 1068	980	regsvr32.exe	27
PID 980 wrote to memory of 1068	980	regsvr32.exe	27
PID 980 wrote to memory of 1068	980	regsvr32.exe	27
PID 980 wrote to memory of 1068	980	regsvr32.exe	27
PID 980 wrote to memory of 1068	980	regsvr32.exe	27
PID 980 wrote to memory of 1068	980	regsvr32.exe	27
PID 980 wrote to memory of 1068	980	regsvr32.exe	27
PID 1068 wrote to memory of 592	1068	regsvr32.exe	28
PID 1068 wrote to memory of 592	1068	regsvr32.exe	28
PID 1068 wrote to memory of 592	1068	regsvr32.exe	28
PID 1068 wrote to memory of 592	1068	regsvr32.exe	28
PID 1068 wrote to memory of 1428	1068	regsvr32.exe	30
PID 1068 wrote to memory of 1428	1068	regsvr32.exe	30
PID 1068 wrote to memory of 1428	1068	regsvr32.exe	30
PID 1068 wrote to memory of 1428	1068	regsvr32.exe	30
PID 1068 wrote to memory of 1028	1068	regsvr32.exe	31
PID 1068 wrote to memory of 1028	1068	regsvr32.exe	31
PID 1068 wrote to memory of 1028	1068	regsvr32.exe	31
PID 1068 wrote to memory of 1028	1068	regsvr32.exe	31
PID 1068 wrote to memory of 1028	1068	regsvr32.exe	31
PID 1068 wrote to memory of 1028	1068	regsvr32.exe	31
PID 1068 wrote to memory of 1028	1068	regsvr32.exe	31

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\f8e972a26117bd14f5ec4dca9de0244d0bfd29bbbfd9104b2ccdc49fa93416d8.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:980
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\f8e972a26117bd14f5ec4dca9de0244d0bfd29bbbfd9104b2ccdc49fa93416d8.dll
  2⤵
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:1068
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c C:\ProgramData\temp\DE30.tmp.bat
    3⤵
    PID:592
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c C:\ProgramData\temp\EE47.tmp.bat
    3⤵
    - Deletes itself
    PID:1428
- - C:\Windows\SysWOW64\regsvr32.exe
    regsvr32.exe /s "C:\ProgramData\Software\Microsoft\Windows\Defender\AutoUpdate.dll"
    3⤵
    - Loads dropped DLL
    - Adds Run key to start application
    - Suspicious use of AdjustPrivilegeToken
    PID:1028

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/980-54-0x000007FEFB591000-0x000007FEFB593000-memory.dmp

Filesize
8KB

Download
memory/1068-55-0x00000000751B1000-0x00000000751B3000-memory.dmp

Filesize
8KB

Download