1b7b811f0e76bc1636a6f714acd270aa6dfeb0e0f6f76c3a5ac033f2a9095965

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
29/01/2024, 17:08

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General

Target

a62f7e160d80e2ff5a1cc80a5b3382896d2397d72994745c80a1ee7479773212.exe
Size

216KB
MD5

b9b163cf56c3fbf48ef5544615bdc880
SHA1

4c35b1d4f74e1d32538306431b27b0629ce9359d
SHA256

1b7b811f0e76bc1636a6f714acd270aa6dfeb0e0f6f76c3a5ac033f2a9095965
SHA512

8471ad9560d06540da6c34053189c550fcfe4f0766cb78e6e144905a80bef6ca4a646867b7681552416fd01ae63349395b66b1288603583b3c375dbb62e0147a
SSDEEP

3072:m17DaAz38w3vu7F6PFwgBZTGFKQ+avVe+gGooSlFC2OLKKZAFEMpo4Iv1k:Gb8jF6Pf2KQ+aVB2fJqh4Id

Score

9^/10

ransomware

Malware Config

Signatures

Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
ransomware

File Deletion
T1070.004

Inhibit System Recovery
T1490
Renames multiple (303) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

Drops desktop.ini file(s) 1 IoCs

description	ioc	Process
File opened for modification	\??\M:\$RECYCLE.BIN\S-1-5-21-3470981204-343661084-3367201002-1000\desktop.ini	a62f7e160d80e2ff5a1cc80a5b3382896d2397d72994745c80a1ee7479773212.exe

Enumerates connected drives 3 TTPs 23 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)	\??\S:	a62f7e160d80e2ff5a1cc80a5b3382896d2397d72994745c80a1ee7479773212.exe
File opened (read-only)	\??\J:	a62f7e160d80e2ff5a1cc80a5b3382896d2397d72994745c80a1ee7479773212.exe
File opened (read-only)	\??\K:	a62f7e160d80e2ff5a1cc80a5b3382896d2397d72994745c80a1ee7479773212.exe
File opened (read-only)	\??\Z:	a62f7e160d80e2ff5a1cc80a5b3382896d2397d72994745c80a1ee7479773212.exe
File opened (read-only)	\??\B:	a62f7e160d80e2ff5a1cc80a5b3382896d2397d72994745c80a1ee7479773212.exe
File opened (read-only)	\??\N:	a62f7e160d80e2ff5a1cc80a5b3382896d2397d72994745c80a1ee7479773212.exe
File opened (read-only)	\??\T:	a62f7e160d80e2ff5a1cc80a5b3382896d2397d72994745c80a1ee7479773212.exe
File opened (read-only)	\??\I:	a62f7e160d80e2ff5a1cc80a5b3382896d2397d72994745c80a1ee7479773212.exe
File opened (read-only)	\??\L:	a62f7e160d80e2ff5a1cc80a5b3382896d2397d72994745c80a1ee7479773212.exe
File opened (read-only)	\??\V:	a62f7e160d80e2ff5a1cc80a5b3382896d2397d72994745c80a1ee7479773212.exe
File opened (read-only)	\??\M:	a62f7e160d80e2ff5a1cc80a5b3382896d2397d72994745c80a1ee7479773212.exe
File opened (read-only)	\??\Q:	a62f7e160d80e2ff5a1cc80a5b3382896d2397d72994745c80a1ee7479773212.exe
File opened (read-only)	\??\W:	a62f7e160d80e2ff5a1cc80a5b3382896d2397d72994745c80a1ee7479773212.exe
File opened (read-only)	\??\E:	a62f7e160d80e2ff5a1cc80a5b3382896d2397d72994745c80a1ee7479773212.exe
File opened (read-only)	\??\Y:	a62f7e160d80e2ff5a1cc80a5b3382896d2397d72994745c80a1ee7479773212.exe
File opened (read-only)	\??\G:	a62f7e160d80e2ff5a1cc80a5b3382896d2397d72994745c80a1ee7479773212.exe
File opened (read-only)	\??\X:	a62f7e160d80e2ff5a1cc80a5b3382896d2397d72994745c80a1ee7479773212.exe
File opened (read-only)	\??\R:	a62f7e160d80e2ff5a1cc80a5b3382896d2397d72994745c80a1ee7479773212.exe
File opened (read-only)	\??\U:	a62f7e160d80e2ff5a1cc80a5b3382896d2397d72994745c80a1ee7479773212.exe
File opened (read-only)	\??\O:	a62f7e160d80e2ff5a1cc80a5b3382896d2397d72994745c80a1ee7479773212.exe
File opened (read-only)	\??\P:	a62f7e160d80e2ff5a1cc80a5b3382896d2397d72994745c80a1ee7479773212.exe
File opened (read-only)	\??\A:	a62f7e160d80e2ff5a1cc80a5b3382896d2397d72994745c80a1ee7479773212.exe
File opened (read-only)	\??\H:	a62f7e160d80e2ff5a1cc80a5b3382896d2397d72994745c80a1ee7479773212.exe

Modifies boot configuration data using bcdedit 4 IoCs

pid	Process
1768	bcdedit.exe
2564	bcdedit.exe
2000	bcdedit.exe
2476	bcdedit.exe

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\readme.bmp"	a62f7e160d80e2ff5a1cc80a5b3382896d2397d72994745c80a1ee7479773212.exe

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

System Information Discovery
T1082

Interacts with shadow copies 2 TTPs 2 IoCs

Shadow copies are often targeted by ransomware to inhibit system recovery.

ransomware

File Deletion

T1070.004

Inhibit System Recovery

T1490

pid	Process
2136	vssadmin.exe
2492	vssadmin.exe

Modifies Control Panel 2 IoCs

evasion

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Control Panel\Desktop\WallpaperStyle = "0"	a62f7e160d80e2ff5a1cc80a5b3382896d2397d72994745c80a1ee7479773212.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Control Panel\Desktop\TileWallpaper = "0"	a62f7e160d80e2ff5a1cc80a5b3382896d2397d72994745c80a1ee7479773212.exe

Suspicious behavior: EnumeratesProcesses 19 IoCs

pid	Process
2928	a62f7e160d80e2ff5a1cc80a5b3382896d2397d72994745c80a1ee7479773212.exe
2928	a62f7e160d80e2ff5a1cc80a5b3382896d2397d72994745c80a1ee7479773212.exe
2928	a62f7e160d80e2ff5a1cc80a5b3382896d2397d72994745c80a1ee7479773212.exe
2928	a62f7e160d80e2ff5a1cc80a5b3382896d2397d72994745c80a1ee7479773212.exe
2928	a62f7e160d80e2ff5a1cc80a5b3382896d2397d72994745c80a1ee7479773212.exe
2928	a62f7e160d80e2ff5a1cc80a5b3382896d2397d72994745c80a1ee7479773212.exe
2928	a62f7e160d80e2ff5a1cc80a5b3382896d2397d72994745c80a1ee7479773212.exe
2928	a62f7e160d80e2ff5a1cc80a5b3382896d2397d72994745c80a1ee7479773212.exe
2928	a62f7e160d80e2ff5a1cc80a5b3382896d2397d72994745c80a1ee7479773212.exe
2928	a62f7e160d80e2ff5a1cc80a5b3382896d2397d72994745c80a1ee7479773212.exe
2928	a62f7e160d80e2ff5a1cc80a5b3382896d2397d72994745c80a1ee7479773212.exe
2928	a62f7e160d80e2ff5a1cc80a5b3382896d2397d72994745c80a1ee7479773212.exe
2928	a62f7e160d80e2ff5a1cc80a5b3382896d2397d72994745c80a1ee7479773212.exe
2928	a62f7e160d80e2ff5a1cc80a5b3382896d2397d72994745c80a1ee7479773212.exe
2928	a62f7e160d80e2ff5a1cc80a5b3382896d2397d72994745c80a1ee7479773212.exe
2928	a62f7e160d80e2ff5a1cc80a5b3382896d2397d72994745c80a1ee7479773212.exe
2928	a62f7e160d80e2ff5a1cc80a5b3382896d2397d72994745c80a1ee7479773212.exe
2928	a62f7e160d80e2ff5a1cc80a5b3382896d2397d72994745c80a1ee7479773212.exe
2928	a62f7e160d80e2ff5a1cc80a5b3382896d2397d72994745c80a1ee7479773212.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1988	WMIC.exe
Token: SeSecurityPrivilege	1988	WMIC.exe
Token: SeTakeOwnershipPrivilege	1988	WMIC.exe
Token: SeLoadDriverPrivilege	1988	WMIC.exe
Token: SeSystemProfilePrivilege	1988	WMIC.exe
Token: SeSystemtimePrivilege	1988	WMIC.exe
Token: SeProfSingleProcessPrivilege	1988	WMIC.exe
Token: SeIncBasePriorityPrivilege	1988	WMIC.exe
Token: SeCreatePagefilePrivilege	1988	WMIC.exe
Token: SeBackupPrivilege	1988	WMIC.exe
Token: SeRestorePrivilege	1988	WMIC.exe
Token: SeShutdownPrivilege	1988	WMIC.exe
Token: SeDebugPrivilege	1988	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1988	WMIC.exe
Token: SeRemoteShutdownPrivilege	1988	WMIC.exe
Token: SeUndockPrivilege	1988	WMIC.exe
Token: SeManageVolumePrivilege	1988	WMIC.exe
Token: 33	1988	WMIC.exe
Token: 34	1988	WMIC.exe
Token: 35	1988	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1988	WMIC.exe
Token: SeSecurityPrivilege	1988	WMIC.exe
Token: SeTakeOwnershipPrivilege	1988	WMIC.exe
Token: SeLoadDriverPrivilege	1988	WMIC.exe
Token: SeSystemProfilePrivilege	1988	WMIC.exe
Token: SeSystemtimePrivilege	1988	WMIC.exe
Token: SeProfSingleProcessPrivilege	1988	WMIC.exe
Token: SeIncBasePriorityPrivilege	1988	WMIC.exe
Token: SeCreatePagefilePrivilege	1988	WMIC.exe
Token: SeBackupPrivilege	1988	WMIC.exe
Token: SeRestorePrivilege	1988	WMIC.exe
Token: SeShutdownPrivilege	1988	WMIC.exe
Token: SeDebugPrivilege	1988	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1988	WMIC.exe
Token: SeRemoteShutdownPrivilege	1988	WMIC.exe
Token: SeUndockPrivilege	1988	WMIC.exe
Token: SeManageVolumePrivilege	1988	WMIC.exe
Token: 33	1988	WMIC.exe
Token: 34	1988	WMIC.exe
Token: 35	1988	WMIC.exe
Token: SeBackupPrivilege	2968	vssvc.exe
Token: SeRestorePrivilege	2968	vssvc.exe
Token: SeAuditPrivilege	2968	vssvc.exe
Token: SeIncreaseQuotaPrivilege	3048	WMIC.exe
Token: SeSecurityPrivilege	3048	WMIC.exe
Token: SeTakeOwnershipPrivilege	3048	WMIC.exe
Token: SeLoadDriverPrivilege	3048	WMIC.exe
Token: SeSystemProfilePrivilege	3048	WMIC.exe
Token: SeSystemtimePrivilege	3048	WMIC.exe
Token: SeProfSingleProcessPrivilege	3048	WMIC.exe
Token: SeIncBasePriorityPrivilege	3048	WMIC.exe
Token: SeCreatePagefilePrivilege	3048	WMIC.exe
Token: SeBackupPrivilege	3048	WMIC.exe
Token: SeRestorePrivilege	3048	WMIC.exe
Token: SeShutdownPrivilege	3048	WMIC.exe
Token: SeDebugPrivilege	3048	WMIC.exe
Token: SeSystemEnvironmentPrivilege	3048	WMIC.exe
Token: SeRemoteShutdownPrivilege	3048	WMIC.exe
Token: SeUndockPrivilege	3048	WMIC.exe
Token: SeManageVolumePrivilege	3048	WMIC.exe
Token: 33	3048	WMIC.exe
Token: 34	3048	WMIC.exe
Token: 35	3048	WMIC.exe
Token: SeIncreaseQuotaPrivilege	3048	WMIC.exe

Suspicious use of WriteProcessMemory 45 IoCs

description	pid	Process	procid_target
PID 2928 wrote to memory of 3004	2928	a62f7e160d80e2ff5a1cc80a5b3382896d2397d72994745c80a1ee7479773212.exe	32
PID 2928 wrote to memory of 3004	2928	a62f7e160d80e2ff5a1cc80a5b3382896d2397d72994745c80a1ee7479773212.exe	32
PID 2928 wrote to memory of 3004	2928	a62f7e160d80e2ff5a1cc80a5b3382896d2397d72994745c80a1ee7479773212.exe	32
PID 2928 wrote to memory of 1992	2928	a62f7e160d80e2ff5a1cc80a5b3382896d2397d72994745c80a1ee7479773212.exe	30
PID 2928 wrote to memory of 1992	2928	a62f7e160d80e2ff5a1cc80a5b3382896d2397d72994745c80a1ee7479773212.exe	30
PID 2928 wrote to memory of 1992	2928	a62f7e160d80e2ff5a1cc80a5b3382896d2397d72994745c80a1ee7479773212.exe	30
PID 2928 wrote to memory of 2148	2928	a62f7e160d80e2ff5a1cc80a5b3382896d2397d72994745c80a1ee7479773212.exe	33
PID 2928 wrote to memory of 2148	2928	a62f7e160d80e2ff5a1cc80a5b3382896d2397d72994745c80a1ee7479773212.exe	33
PID 2928 wrote to memory of 2148	2928	a62f7e160d80e2ff5a1cc80a5b3382896d2397d72994745c80a1ee7479773212.exe	33
PID 3004 wrote to memory of 2136	3004	cmd.exe	34
PID 3004 wrote to memory of 2136	3004	cmd.exe	34
PID 3004 wrote to memory of 2136	3004	cmd.exe	34
PID 2928 wrote to memory of 2412	2928	a62f7e160d80e2ff5a1cc80a5b3382896d2397d72994745c80a1ee7479773212.exe	35
PID 2928 wrote to memory of 2412	2928	a62f7e160d80e2ff5a1cc80a5b3382896d2397d72994745c80a1ee7479773212.exe	35
PID 2928 wrote to memory of 2412	2928	a62f7e160d80e2ff5a1cc80a5b3382896d2397d72994745c80a1ee7479773212.exe	35
PID 1992 wrote to memory of 1988	1992	cmd.exe	36
PID 1992 wrote to memory of 1988	1992	cmd.exe	36
PID 1992 wrote to memory of 1988	1992	cmd.exe	36
PID 2412 wrote to memory of 1768	2412	cmd.exe	39
PID 2412 wrote to memory of 1768	2412	cmd.exe	39
PID 2412 wrote to memory of 1768	2412	cmd.exe	39
PID 2148 wrote to memory of 2564	2148	cmd.exe	41
PID 2148 wrote to memory of 2564	2148	cmd.exe	41
PID 2148 wrote to memory of 2564	2148	cmd.exe	41
PID 2928 wrote to memory of 964	2928	a62f7e160d80e2ff5a1cc80a5b3382896d2397d72994745c80a1ee7479773212.exe	45
PID 2928 wrote to memory of 964	2928	a62f7e160d80e2ff5a1cc80a5b3382896d2397d72994745c80a1ee7479773212.exe	45
PID 2928 wrote to memory of 964	2928	a62f7e160d80e2ff5a1cc80a5b3382896d2397d72994745c80a1ee7479773212.exe	45
PID 2928 wrote to memory of 2380	2928	a62f7e160d80e2ff5a1cc80a5b3382896d2397d72994745c80a1ee7479773212.exe	46
PID 2928 wrote to memory of 2380	2928	a62f7e160d80e2ff5a1cc80a5b3382896d2397d72994745c80a1ee7479773212.exe	46
PID 2928 wrote to memory of 2380	2928	a62f7e160d80e2ff5a1cc80a5b3382896d2397d72994745c80a1ee7479773212.exe	46
PID 2928 wrote to memory of 2500	2928	a62f7e160d80e2ff5a1cc80a5b3382896d2397d72994745c80a1ee7479773212.exe	49
PID 2928 wrote to memory of 2500	2928	a62f7e160d80e2ff5a1cc80a5b3382896d2397d72994745c80a1ee7479773212.exe	49
PID 2928 wrote to memory of 2500	2928	a62f7e160d80e2ff5a1cc80a5b3382896d2397d72994745c80a1ee7479773212.exe	49
PID 2928 wrote to memory of 3044	2928	a62f7e160d80e2ff5a1cc80a5b3382896d2397d72994745c80a1ee7479773212.exe	51
PID 2928 wrote to memory of 3044	2928	a62f7e160d80e2ff5a1cc80a5b3382896d2397d72994745c80a1ee7479773212.exe	51
PID 2928 wrote to memory of 3044	2928	a62f7e160d80e2ff5a1cc80a5b3382896d2397d72994745c80a1ee7479773212.exe	51
PID 964 wrote to memory of 2492	964	cmd.exe	52
PID 964 wrote to memory of 2492	964	cmd.exe	52
PID 964 wrote to memory of 2492	964	cmd.exe	52
PID 2500 wrote to memory of 2000	2500	cmd.exe	55
PID 2500 wrote to memory of 2000	2500	cmd.exe	55
PID 2500 wrote to memory of 2000	2500	cmd.exe	55
PID 3044 wrote to memory of 2476	3044	cmd.exe	56
PID 3044 wrote to memory of 2476	3044	cmd.exe	56
PID 3044 wrote to memory of 2476	3044	cmd.exe	56

Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Users\Admin\AppData\Local\Temp\a62f7e160d80e2ff5a1cc80a5b3382896d2397d72994745c80a1ee7479773212.exe
"C:\Users\Admin\AppData\Local\Temp\a62f7e160d80e2ff5a1cc80a5b3382896d2397d72994745c80a1ee7479773212.exe"
1⤵
- Drops desktop.ini file(s)
- Enumerates connected drives
- Sets desktop wallpaper using registry
- Modifies Control Panel
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2928
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c wmic SHADOWCOPY DELETE
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1992
- - C:\Windows\System32\Wbem\WMIC.exe
    wmic SHADOWCOPY DELETE
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:1988
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3004
- - C:\Windows\system32\vssadmin.exe
    vssadmin.exe delete shadows /all /quiet
    3⤵
    - Interacts with shadow copies
    PID:2136
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c bcdedit / set{ default } recoveryenabled No
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2148
- - C:\Windows\system32\bcdedit.exe
    bcdedit / set{ default } recoveryenabled No
    3⤵
    - Modifies boot configuration data using bcdedit
    PID:2564
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c bcdedit / set{ default } bootstatuspolicy ignoreallfailures
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2412
- - C:\Windows\system32\bcdedit.exe
    bcdedit / set{ default } bootstatuspolicy ignoreallfailures
    3⤵
    - Modifies boot configuration data using bcdedit
    PID:1768
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:964
- - C:\Windows\system32\vssadmin.exe
    vssadmin.exe delete shadows /all /quiet
    3⤵
    - Interacts with shadow copies
    PID:2492
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c wmic SHADOWCOPY DELETE
  2⤵
  PID:2380
- - C:\Windows\System32\Wbem\WMIC.exe
    wmic SHADOWCOPY DELETE
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:3048
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c bcdedit / set{ default } recoveryenabled No
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2500
- - C:\Windows\system32\bcdedit.exe
    bcdedit / set{ default } recoveryenabled No
    3⤵
    - Modifies boot configuration data using bcdedit
    PID:2000
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c bcdedit / set{ default } bootstatuspolicy ignoreallfailures
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3044
- - C:\Windows\system32\bcdedit.exe
    bcdedit / set{ default } bootstatuspolicy ignoreallfailures
    3⤵
    - Modifies boot configuration data using bcdedit
    PID:2476

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2968

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Indicator Removal

T1070

File Deletion

T1070.004

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

Defacement

T1491

Inhibit System Recovery

T1490

Replay Monitor

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Downloads

C:\ProgramData\Adobe\Acrobat\9.0\Replicate\WhatHappened.txt

Filesize
1KB

MD5
b05e32b7e78e82f01f6f0c7d1411ee67

SHA1
2e1dda46f8561858b378d19a24b839062f794274

SHA256
f058bc2a88431119f286f2708751f25449dc1d58e1c87de3bb38aff764c814a8

SHA512
6cb7c842a48b9f982ac87280ded95e206e2b9055f9f51ea84f6060470a61a35decbb688650c0d6b7c318df018078af0c0a1afe0ce65db1b460d75ae7800e2d3c

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