1f19a803e4e003dc2ddb14183beb84fce2169dc84b67811bf002e83a3bfe2329

Resubmissions

23-09-2021 13:59

210923-ractvaefc5 8

22-08-2021 12:44

210822-vqqzsf2ch6 10

Analysis

max time kernel
150s
max time network
152s
platform
windows10_x64
resource
win10-en-20210920
submitted
23-09-2021 13:59

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

ApowerREC.exe
Size

8.9MB
MD5

810be064429970190268a24af354a2f1
SHA1

f5e17599a9c30a9eada1dcb276b888bdeffd037d
SHA256

7edf30b359be3f27c9e7313352bc2d4cccb0e36010b34633646ea4823a70a82b
SHA512

d385f16cb89fff66926770768d34686963dededf2fe47cb3889fc1ab9ae791c9067b76d78d0f5b58f2a29d9bdb2e709a672d560c97cf34e1834230b322c157b0

Score

8^/10

persistence upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
664	revpe.exe
1316	chrome.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2788-122-0x0000000000400000-0x00000000005F7000-memory.dmp	upx
behavioral2/memory/2788-126-0x0000000000400000-0x00000000005F7000-memory.dmp	upx
behavioral2/memory/664-132-0x0000000000400000-0x000000000041B000-memory.dmp	upx
behavioral2/memory/664-148-0x0000000000400000-0x000000000041B000-memory.dmp	upx

Adds Run key to start application 2 TTPs 10 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows\CurrentVersion\Run\WM-c16c = "C:\\Users\\Admin\\AppData\\Roaming\\WM-c16c.exe\u2000"	AppLaunch.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows\CurrentVersion\Run\WM-c16c = "C:\\Users\\Admin\\AppData\\Roaming\\WM-c16c.exe萀"	AppLaunch.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WM-c16c = "C:\\Users\\Admin\\AppData\\Roaming\\WM-c16c.exe萀"	AppLaunch.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WM-c16c = "C:\\Users\\Admin\\AppData\\Roaming\\WM-c16c.exe阀"	AppLaunch.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WM-c16c = "C:\\Users\\Admin\\AppData\\Roaming\\WM-c16c.exe\uf800"	AppLaunch.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WM-c16c = "C:\\Users\\Admin\\AppData\\Roaming\\WM-c16c.exe\u2000"	AppLaunch.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows\CurrentVersion\Run\WM-c16c = "C:\\Users\\Admin\\AppData\\Roaming\\WM-c16c.exe"	AppLaunch.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WM-c16c = "C:\\Users\\Admin\\AppData\\Roaming\\WM-c16c.exe"	AppLaunch.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows\CurrentVersion\Run\WM-c16c = "C:\\Users\\Admin\\AppData\\Roaming\\WM-c16c.exe阀"	AppLaunch.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows\CurrentVersion\Run\WM-c16c = "C:\\Users\\Admin\\AppData\\Roaming\\WM-c16c.exe\uf800"	AppLaunch.exe

Suspicious use of SetThreadContext 6 IoCs

description	pid	Process	procid_target
PID 1784 set thread context of 2788	1784	ApowerREC.exe	71
PID 2788 set thread context of 664	2788	AppLaunch.exe	74
PID 2788 set thread context of 1272	2788	AppLaunch.exe	76
PID 2788 set thread context of 2400	2788	AppLaunch.exe	78
PID 2788 set thread context of 432	2788	AppLaunch.exe	79
PID 1316 set thread context of 2240	1316	chrome.exe	95

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2956	1316	WerFault.exe	92

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
532	schtasks.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
2956	WerFault.exe
2956	WerFault.exe
2956	WerFault.exe
2956	WerFault.exe
2956	WerFault.exe
2956	WerFault.exe
2956	WerFault.exe
2956	WerFault.exe
2956	WerFault.exe
2956	WerFault.exe
2956	WerFault.exe
2956	WerFault.exe
2956	WerFault.exe
2956	WerFault.exe
2956	WerFault.exe
2956	WerFault.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

description	pid	Process
Token: SeDebugPrivilege	1784	ApowerREC.exe
Token: SeDebugPrivilege	2788	AppLaunch.exe
Token: SeShutdownPrivilege	2788	AppLaunch.exe
Token: SeCreatePagefilePrivilege	2788	AppLaunch.exe
Token: SeDebugPrivilege	1316	chrome.exe
Token: SeRestorePrivilege	2956	WerFault.exe
Token: SeBackupPrivilege	2956	WerFault.exe
Token: SeDebugPrivilege	2956	WerFault.exe
Token: SeShutdownPrivilege	2240	AppLaunch.exe
Token: SeCreatePagefilePrivilege	2240	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2788	AppLaunch.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1784 wrote to memory of 2516	1784	ApowerREC.exe	69
PID 1784 wrote to memory of 2516	1784	ApowerREC.exe	69
PID 1784 wrote to memory of 2516	1784	ApowerREC.exe	69
PID 1784 wrote to memory of 2788	1784	ApowerREC.exe	71
PID 1784 wrote to memory of 2788	1784	ApowerREC.exe	71
PID 1784 wrote to memory of 2788	1784	ApowerREC.exe	71
PID 1784 wrote to memory of 2788	1784	ApowerREC.exe	71
PID 1784 wrote to memory of 2788	1784	ApowerREC.exe	71
PID 1784 wrote to memory of 2788	1784	ApowerREC.exe	71
PID 1784 wrote to memory of 2788	1784	ApowerREC.exe	71
PID 2788 wrote to memory of 660	2788	AppLaunch.exe	73
PID 2788 wrote to memory of 660	2788	AppLaunch.exe	73
PID 2788 wrote to memory of 660	2788	AppLaunch.exe	73
PID 2788 wrote to memory of 664	2788	AppLaunch.exe	74
PID 2788 wrote to memory of 664	2788	AppLaunch.exe	74
PID 2788 wrote to memory of 664	2788	AppLaunch.exe	74
PID 2788 wrote to memory of 664	2788	AppLaunch.exe	74
PID 2788 wrote to memory of 664	2788	AppLaunch.exe	74
PID 2788 wrote to memory of 664	2788	AppLaunch.exe	74
PID 2788 wrote to memory of 664	2788	AppLaunch.exe	74
PID 2788 wrote to memory of 664	2788	AppLaunch.exe	74
PID 2788 wrote to memory of 1272	2788	AppLaunch.exe	76
PID 2788 wrote to memory of 1272	2788	AppLaunch.exe	76
PID 2788 wrote to memory of 1272	2788	AppLaunch.exe	76
PID 2788 wrote to memory of 1272	2788	AppLaunch.exe	76
PID 2788 wrote to memory of 1272	2788	AppLaunch.exe	76
PID 2788 wrote to memory of 1272	2788	AppLaunch.exe	76
PID 2788 wrote to memory of 1272	2788	AppLaunch.exe	76
PID 2788 wrote to memory of 1272	2788	AppLaunch.exe	76
PID 2788 wrote to memory of 2400	2788	AppLaunch.exe	78
PID 2788 wrote to memory of 2400	2788	AppLaunch.exe	78
PID 2788 wrote to memory of 2400	2788	AppLaunch.exe	78
PID 2788 wrote to memory of 2400	2788	AppLaunch.exe	78
PID 2788 wrote to memory of 2400	2788	AppLaunch.exe	78
PID 2788 wrote to memory of 2400	2788	AppLaunch.exe	78
PID 2788 wrote to memory of 2400	2788	AppLaunch.exe	78
PID 2788 wrote to memory of 2400	2788	AppLaunch.exe	78
PID 2788 wrote to memory of 432	2788	AppLaunch.exe	79
PID 2788 wrote to memory of 432	2788	AppLaunch.exe	79
PID 2788 wrote to memory of 432	2788	AppLaunch.exe	79
PID 2788 wrote to memory of 432	2788	AppLaunch.exe	79
PID 2788 wrote to memory of 432	2788	AppLaunch.exe	79
PID 2788 wrote to memory of 432	2788	AppLaunch.exe	79
PID 2788 wrote to memory of 432	2788	AppLaunch.exe	79
PID 2788 wrote to memory of 432	2788	AppLaunch.exe	79
PID 1784 wrote to memory of 2580	1784	ApowerREC.exe	87
PID 1784 wrote to memory of 2580	1784	ApowerREC.exe	87
PID 1784 wrote to memory of 2580	1784	ApowerREC.exe	87
PID 1784 wrote to memory of 2712	1784	ApowerREC.exe	89
PID 1784 wrote to memory of 2712	1784	ApowerREC.exe	89
PID 1784 wrote to memory of 2712	1784	ApowerREC.exe	89
PID 2580 wrote to memory of 532	2580	cmd.exe	91
PID 2580 wrote to memory of 532	2580	cmd.exe	91
PID 2580 wrote to memory of 532	2580	cmd.exe	91
PID 1316 wrote to memory of 1544	1316	chrome.exe	93
PID 1316 wrote to memory of 1544	1316	chrome.exe	93
PID 1316 wrote to memory of 1544	1316	chrome.exe	93
PID 1316 wrote to memory of 2240	1316	chrome.exe	95
PID 1316 wrote to memory of 2240	1316	chrome.exe	95
PID 1316 wrote to memory of 2240	1316	chrome.exe	95
PID 1316 wrote to memory of 2240	1316	chrome.exe	95
PID 1316 wrote to memory of 2240	1316	chrome.exe	95
PID 1316 wrote to memory of 2240	1316	chrome.exe	95
PID 1316 wrote to memory of 2240	1316	chrome.exe	95

C:\Users\Admin\AppData\Local\Temp\ApowerREC.exe
"C:\Users\Admin\AppData\Local\Temp\ApowerREC.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1784
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c
  2⤵
  PID:2516
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2788
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
    -d 56007 TCP
    3⤵
    PID:660
- - C:\Users\Admin\AppData\Local\Temp\revpe.exe
    -d 56007 TCP
    3⤵
    - Executes dropped EXE
    PID:664
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
    -a 10.127.1.41 56007 56007 TCP
    3⤵
    PID:1272
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
    -d 56008 TCP
    3⤵
    PID:2400
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
    -a 10.127.1.41 56008 56008 TCP
    3⤵
    PID:432
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /sc minute /mo 1 /tn "Nano" /tr "'C:\Users\Admin\AppData\Local\Temp\chrome\chrome.exe'" /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2580
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /sc minute /mo 1 /tn "Nano" /tr "'C:\Users\Admin\AppData\Local\Temp\chrome\chrome.exe'" /f
    3⤵
    - Creates scheduled task(s)
    PID:532
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\ApowerREC.exe" "C:\Users\Admin\AppData\Local\Temp\chrome\chrome.exe"
  2⤵
  PID:2712

C:\Users\Admin\AppData\Local\Temp\chrome\chrome.exe
C:\Users\Admin\AppData\Local\Temp\chrome\chrome.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1316
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c
  2⤵
  PID:1544
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2240
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1316 -s 1892
  2⤵
  - Program crash
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2956

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/664-132-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/664-148-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1316-154-0x0000000000D90000-0x0000000000D91000-memory.dmp

Filesize
4KB

Download
memory/1316-160-0x00000000033A0000-0x00000000033A1000-memory.dmp

Filesize
4KB

Download
memory/1784-119-0x00000000054E0000-0x00000000054E1000-memory.dmp

Filesize
4KB

Download
memory/1784-120-0x00000000054A0000-0x00000000054A1000-memory.dmp

Filesize
4KB

Download
memory/1784-115-0x0000000000C10000-0x0000000000C11000-memory.dmp

Filesize
4KB

Download
memory/1784-118-0x00000000053C0000-0x00000000053C1000-memory.dmp

Filesize
4KB

Download
memory/1784-117-0x00000000059F0000-0x00000000059F1000-memory.dmp

Filesize
4KB

Download
memory/2788-131-0x00000000071D0000-0x00000000081D0000-memory.dmp

Filesize
16.0MB

Download
memory/2788-126-0x0000000000400000-0x00000000005F7000-memory.dmp

Filesize
2.0MB

Download
memory/2788-122-0x0000000000400000-0x00000000005F7000-memory.dmp

Filesize
2.0MB

Download