ef99a1844cbf354868a70cdcc2584ec94ffceafc4ffcd3a6b5563fa1d632844e

Analysis

max time kernel
135s
max time network
124s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
01-01-2024 15:12

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General

Target

2001.exe
Size

138KB
MD5

b9272a777740d1b5796cc6eaf7eff252
SHA1

43526f39d742bb421ebe2514fa1e7bee2ec0f86d
SHA256

df93154c63aeea6a56d0f2b4c89d424f38897c2a43d756495efa4cfa69f87aa4
SHA512

2e19dd25e46400878b6fcecceb8a7f650a996e47f8b785f3a63e640710951a4a8fe6991842879d1959b65f59f25ccefc76b39bd9d46fa62e3acb5d5a481544bc
SSDEEP

3072:1ZO75plD368W/5SeiLHpV3IhzfW+3g70XdlqgDuYUB/vemeeCLdJLVd:1C5px3HW/3iLHpV4hzu+jd7uYU5JexTd

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 (266) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

Enumerates connected drives 3 TTPs 24 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

Processes:

2001.exe

description	ioc	process
File opened (read-only)	\??\T:	2001.exe
File opened (read-only)	\??\V:	2001.exe
File opened (read-only)	\??\Z:	2001.exe
File opened (read-only)	\??\N:	2001.exe
File opened (read-only)	\??\E:	2001.exe
File opened (read-only)	\??\H:	2001.exe
File opened (read-only)	\??\K:	2001.exe
File opened (read-only)	\??\M:	2001.exe
File opened (read-only)	\??\X:	2001.exe
File opened (read-only)	\??\Y:	2001.exe
File opened (read-only)	\??\A:	2001.exe
File opened (read-only)	\??\J:	2001.exe
File opened (read-only)	\??\P:	2001.exe
File opened (read-only)	\??\Q:	2001.exe
File opened (read-only)	\??\U:	2001.exe
File opened (read-only)	\??\G:	2001.exe
File opened (read-only)	\??\B:	2001.exe
File opened (read-only)	\??\I:	2001.exe
File opened (read-only)	\??\L:	2001.exe
File opened (read-only)	\??\O:	2001.exe
File opened (read-only)	\??\R:	2001.exe
File opened (read-only)	\??\S:	2001.exe
File opened (read-only)	\??\W:	2001.exe
File opened (read-only)	\??\F:	2001.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 5 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
ransomware

File Deletion
T1070.004

Inhibit System Recovery
T1490

Processes:

vssadmin.exevssadmin.exevssadmin.exevssadmin.exevssadmin.exe

pid process

2816 vssadmin.exe
752 vssadmin.exe
2316 vssadmin.exe
1772 vssadmin.exe
568 vssadmin.exe

pid	process
2816	vssadmin.exe
752	vssadmin.exe
2316	vssadmin.exe
1772	vssadmin.exe
568	vssadmin.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

2001.exe

pid	process
2184	2001.exe
2184	2001.exe
2184	2001.exe
2184	2001.exe
2184	2001.exe
2184	2001.exe
2184	2001.exe
2184	2001.exe
2184	2001.exe
2184	2001.exe
2184	2001.exe
2184	2001.exe
2184	2001.exe
2184	2001.exe
2184	2001.exe
2184	2001.exe
2184	2001.exe
2184	2001.exe
2184	2001.exe
2184	2001.exe
2184	2001.exe
2184	2001.exe
2184	2001.exe
2184	2001.exe
2184	2001.exe
2184	2001.exe
2184	2001.exe
2184	2001.exe
2184	2001.exe
2184	2001.exe
2184	2001.exe
2184	2001.exe
2184	2001.exe
2184	2001.exe
2184	2001.exe
2184	2001.exe
2184	2001.exe
2184	2001.exe
2184	2001.exe
2184	2001.exe
2184	2001.exe
2184	2001.exe
2184	2001.exe
2184	2001.exe
2184	2001.exe
2184	2001.exe
2184	2001.exe
2184	2001.exe
2184	2001.exe
2184	2001.exe
2184	2001.exe
2184	2001.exe
2184	2001.exe
2184	2001.exe
2184	2001.exe
2184	2001.exe
2184	2001.exe
2184	2001.exe
2184	2001.exe
2184	2001.exe
2184	2001.exe
2184	2001.exe
2184	2001.exe
2184	2001.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

wmic.exevssvc.exewmic.exewmic.exewmic.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	2188	wmic.exe
Token: SeSecurityPrivilege	2188	wmic.exe
Token: SeTakeOwnershipPrivilege	2188	wmic.exe
Token: SeLoadDriverPrivilege	2188	wmic.exe
Token: SeSystemProfilePrivilege	2188	wmic.exe
Token: SeSystemtimePrivilege	2188	wmic.exe
Token: SeProfSingleProcessPrivilege	2188	wmic.exe
Token: SeIncBasePriorityPrivilege	2188	wmic.exe
Token: SeCreatePagefilePrivilege	2188	wmic.exe
Token: SeBackupPrivilege	2188	wmic.exe
Token: SeRestorePrivilege	2188	wmic.exe
Token: SeShutdownPrivilege	2188	wmic.exe
Token: SeDebugPrivilege	2188	wmic.exe
Token: SeSystemEnvironmentPrivilege	2188	wmic.exe
Token: SeRemoteShutdownPrivilege	2188	wmic.exe
Token: SeUndockPrivilege	2188	wmic.exe
Token: SeManageVolumePrivilege	2188	wmic.exe
Token: 33	2188	wmic.exe
Token: 34	2188	wmic.exe
Token: 35	2188	wmic.exe
Token: SeBackupPrivilege	2708	vssvc.exe
Token: SeRestorePrivilege	2708	vssvc.exe
Token: SeAuditPrivilege	2708	vssvc.exe
Token: SeIncreaseQuotaPrivilege	2764	wmic.exe
Token: SeSecurityPrivilege	2764	wmic.exe
Token: SeTakeOwnershipPrivilege	2764	wmic.exe
Token: SeLoadDriverPrivilege	2764	wmic.exe
Token: SeSystemProfilePrivilege	2764	wmic.exe
Token: SeSystemtimePrivilege	2764	wmic.exe
Token: SeProfSingleProcessPrivilege	2764	wmic.exe
Token: SeIncBasePriorityPrivilege	2764	wmic.exe
Token: SeCreatePagefilePrivilege	2764	wmic.exe
Token: SeBackupPrivilege	2764	wmic.exe
Token: SeRestorePrivilege	2764	wmic.exe
Token: SeShutdownPrivilege	2764	wmic.exe
Token: SeDebugPrivilege	2764	wmic.exe
Token: SeSystemEnvironmentPrivilege	2764	wmic.exe
Token: SeRemoteShutdownPrivilege	2764	wmic.exe
Token: SeUndockPrivilege	2764	wmic.exe
Token: SeManageVolumePrivilege	2764	wmic.exe
Token: 33	2764	wmic.exe
Token: 34	2764	wmic.exe
Token: 35	2764	wmic.exe
Token: SeIncreaseQuotaPrivilege	2636	wmic.exe
Token: SeSecurityPrivilege	2636	wmic.exe
Token: SeTakeOwnershipPrivilege	2636	wmic.exe
Token: SeLoadDriverPrivilege	2636	wmic.exe
Token: SeSystemProfilePrivilege	2636	wmic.exe
Token: SeSystemtimePrivilege	2636	wmic.exe
Token: SeProfSingleProcessPrivilege	2636	wmic.exe
Token: SeIncBasePriorityPrivilege	2636	wmic.exe
Token: SeCreatePagefilePrivilege	2636	wmic.exe
Token: SeBackupPrivilege	2636	wmic.exe
Token: SeRestorePrivilege	2636	wmic.exe
Token: SeShutdownPrivilege	2636	wmic.exe
Token: SeDebugPrivilege	2636	wmic.exe
Token: SeSystemEnvironmentPrivilege	2636	wmic.exe
Token: SeRemoteShutdownPrivilege	2636	wmic.exe
Token: SeUndockPrivilege	2636	wmic.exe
Token: SeManageVolumePrivilege	2636	wmic.exe
Token: 33	2636	wmic.exe
Token: 34	2636	wmic.exe
Token: 35	2636	wmic.exe
Token: SeIncreaseQuotaPrivilege	588	wmic.exe

Suspicious use of WriteProcessMemory 40 IoCs

Processes:

2001.exe

description	pid	process	target process
PID 2184 wrote to memory of 2188	2184	2001.exe	wmic.exe
PID 2184 wrote to memory of 2188	2184	2001.exe	wmic.exe
PID 2184 wrote to memory of 2188	2184	2001.exe	wmic.exe
PID 2184 wrote to memory of 2188	2184	2001.exe	wmic.exe
PID 2184 wrote to memory of 2816	2184	2001.exe	vssadmin.exe
PID 2184 wrote to memory of 2816	2184	2001.exe	vssadmin.exe
PID 2184 wrote to memory of 2816	2184	2001.exe	vssadmin.exe
PID 2184 wrote to memory of 2816	2184	2001.exe	vssadmin.exe
PID 2184 wrote to memory of 2764	2184	2001.exe	wmic.exe
PID 2184 wrote to memory of 2764	2184	2001.exe	wmic.exe
PID 2184 wrote to memory of 2764	2184	2001.exe	wmic.exe
PID 2184 wrote to memory of 2764	2184	2001.exe	wmic.exe
PID 2184 wrote to memory of 752	2184	2001.exe	vssadmin.exe
PID 2184 wrote to memory of 752	2184	2001.exe	vssadmin.exe
PID 2184 wrote to memory of 752	2184	2001.exe	vssadmin.exe
PID 2184 wrote to memory of 752	2184	2001.exe	vssadmin.exe
PID 2184 wrote to memory of 2636	2184	2001.exe	wmic.exe
PID 2184 wrote to memory of 2636	2184	2001.exe	wmic.exe
PID 2184 wrote to memory of 2636	2184	2001.exe	wmic.exe
PID 2184 wrote to memory of 2636	2184	2001.exe	wmic.exe
PID 2184 wrote to memory of 2316	2184	2001.exe	vssadmin.exe
PID 2184 wrote to memory of 2316	2184	2001.exe	vssadmin.exe
PID 2184 wrote to memory of 2316	2184	2001.exe	vssadmin.exe
PID 2184 wrote to memory of 2316	2184	2001.exe	vssadmin.exe
PID 2184 wrote to memory of 588	2184	2001.exe	wmic.exe
PID 2184 wrote to memory of 588	2184	2001.exe	wmic.exe
PID 2184 wrote to memory of 588	2184	2001.exe	wmic.exe
PID 2184 wrote to memory of 588	2184	2001.exe	wmic.exe
PID 2184 wrote to memory of 1772	2184	2001.exe	vssadmin.exe
PID 2184 wrote to memory of 1772	2184	2001.exe	vssadmin.exe
PID 2184 wrote to memory of 1772	2184	2001.exe	vssadmin.exe
PID 2184 wrote to memory of 1772	2184	2001.exe	vssadmin.exe
PID 2184 wrote to memory of 584	2184	2001.exe	wmic.exe
PID 2184 wrote to memory of 584	2184	2001.exe	wmic.exe
PID 2184 wrote to memory of 584	2184	2001.exe	wmic.exe
PID 2184 wrote to memory of 584	2184	2001.exe	wmic.exe
PID 2184 wrote to memory of 568	2184	2001.exe	vssadmin.exe
PID 2184 wrote to memory of 568	2184	2001.exe	vssadmin.exe
PID 2184 wrote to memory of 568	2184	2001.exe	vssadmin.exe
PID 2184 wrote to memory of 568	2184	2001.exe	vssadmin.exe

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\2001.exe
"C:\Users\Admin\AppData\Local\Temp\2001.exe"
1⤵
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2184

C:\Windows\SysWOW64\Wbem\wmic.exe
wmic.exe SHADOWCOPY /nointeractive
2⤵
- Suspicious use of AdjustPrivilegeToken
PID:2188

C:\Windows\SysWOW64\vssadmin.exe
vssadmin.exe Delete Shadows /All /Quiet
2⤵
- Interacts with shadow copies
PID:2816

C:\Windows\SysWOW64\Wbem\wmic.exe
wmic.exe SHADOWCOPY /nointeractive
2⤵
- Suspicious use of AdjustPrivilegeToken
PID:2764

C:\Windows\SysWOW64\vssadmin.exe
vssadmin.exe Delete Shadows /All /Quiet
2⤵
- Interacts with shadow copies
PID:752

C:\Windows\SysWOW64\Wbem\wmic.exe
wmic.exe SHADOWCOPY /nointeractive
2⤵
- Suspicious use of AdjustPrivilegeToken
PID:2636

C:\Windows\SysWOW64\vssadmin.exe
vssadmin.exe Delete Shadows /All /Quiet
2⤵
- Interacts with shadow copies
PID:2316

C:\Windows\SysWOW64\Wbem\wmic.exe
wmic.exe SHADOWCOPY /nointeractive
2⤵
- Suspicious use of AdjustPrivilegeToken
PID:588

C:\Windows\SysWOW64\vssadmin.exe
vssadmin.exe Delete Shadows /All /Quiet
2⤵
- Interacts with shadow copies
PID:1772

C:\Windows\SysWOW64\Wbem\wmic.exe
wmic.exe SHADOWCOPY /nointeractive
2⤵
PID:584

C:\Windows\SysWOW64\vssadmin.exe
vssadmin.exe Delete Shadows /All /Quiet
2⤵
- Interacts with shadow copies
PID:568

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2708

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Indicator Removal

T1070

File Deletion

T1070.004

Credential Access

Discovery

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Inhibit System Recovery

T1490

Resource Development

Reconnaissance

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Downloads

C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\readme.txt
Filesize
472B

MD5
774c818da867b4e5c398d9e91f7d0e13

SHA1
02e630fe998b509df40acb50b52654c35e3a8820

SHA256
48a4aecf214e7745eaea70da94f24b592b1cdf085f9ee27c05f0cecf2bb189e9

SHA512
4ddc5ec9a3b7d89b5475949ed2e4444fb9e40551f903f29eca7553e565a21a9c8a54f899361d8ce85a7b406bb38f408733cf518bf77058803a2b806c26f4d593

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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