02bebee27daeff412d7da51c72a7df2b2296b18948d0c6933e0b56c54b5a7497

General

Target

02bebee27daeff412d7da51c72a7df2b2296b18948d0c6933e0b56c54b5a7497.exe
Size

214KB
MD5

b9ad92028780facaaf64da860eac0e2d
SHA1

3e5fc7e74a0a1bb1cf272eaa55b3e26c5b2c6c00
SHA256

02bebee27daeff412d7da51c72a7df2b2296b18948d0c6933e0b56c54b5a7497
SHA512

fc15648488d57a7107e1084b103962b87c78036fac5d793e69a1d1247139e369946e8882df4001bd9e75301e20a63ef126fd01e22bb00288cd33ae2c1537e5e2
SSDEEP

6144:+j+cJdUpTi8csFW3UGDQYxRXRWubqOalwO:+5LUpTysRuQGRcuGR

Score

9^/10

persistence 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

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\f82cc3d3.exe	explorer.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1861898231-3446828954-4278112889-1000\Software\Microsoft\Windows\CurrentVersion\Run\f82cc3d3 = "C:\\Users\\Admin\\AppData\\Roaming\\f82cc3d3.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1861898231-3446828954-4278112889-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\*82cc3d3 = "C:\\Users\\Admin\\AppData\\Roaming\\f82cc3d3.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1861898231-3446828954-4278112889-1000\Software\Microsoft\Windows\CurrentVersion\Run\f82cc3d = "C:\\f82cc3d3\\f82cc3d3.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1861898231-3446828954-4278112889-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\*82cc3d = "C:\\f82cc3d3\\f82cc3d3.exe"	explorer.exe

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
3	ip-addr.es
5	myexternalip.com

Interacts with shadow copies 2 TTPs 1 IoCs

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

ransomware

File Deletion

T1070.004

Inhibit System Recovery

T1490

pid	Process
3060	vssadmin.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
1052	02bebee27daeff412d7da51c72a7df2b2296b18948d0c6933e0b56c54b5a7497.exe
2604	explorer.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeBackupPrivilege	2528	vssvc.exe
Token: SeRestorePrivilege	2528	vssvc.exe
Token: SeAuditPrivilege	2528	vssvc.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1052 wrote to memory of 2604	1052	02bebee27daeff412d7da51c72a7df2b2296b18948d0c6933e0b56c54b5a7497.exe	28
PID 1052 wrote to memory of 2604	1052	02bebee27daeff412d7da51c72a7df2b2296b18948d0c6933e0b56c54b5a7497.exe	28
PID 1052 wrote to memory of 2604	1052	02bebee27daeff412d7da51c72a7df2b2296b18948d0c6933e0b56c54b5a7497.exe	28
PID 1052 wrote to memory of 2604	1052	02bebee27daeff412d7da51c72a7df2b2296b18948d0c6933e0b56c54b5a7497.exe	28
PID 2604 wrote to memory of 2644	2604	explorer.exe	31
PID 2604 wrote to memory of 2644	2604	explorer.exe	31
PID 2604 wrote to memory of 2644	2604	explorer.exe	31
PID 2604 wrote to memory of 2644	2604	explorer.exe	31
PID 2604 wrote to memory of 3060	2604	explorer.exe	32
PID 2604 wrote to memory of 3060	2604	explorer.exe	32
PID 2604 wrote to memory of 3060	2604	explorer.exe	32
PID 2604 wrote to memory of 3060	2604	explorer.exe	32

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\02bebee27daeff412d7da51c72a7df2b2296b18948d0c6933e0b56c54b5a7497.exe
"C:\Users\Admin\AppData\Local\Temp\02bebee27daeff412d7da51c72a7df2b2296b18948d0c6933e0b56c54b5a7497.exe"
1⤵
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1052
- C:\Windows\syswow64\explorer.exe
  "C:\Windows\syswow64\explorer.exe"
  2⤵
  - Drops startup file
  - Adds Run key to start application
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2604
- - C:\Windows\syswow64\svchost.exe
    -k netsvcs
    3⤵
    PID:2644
- - C:\Windows\syswow64\vssadmin.exe
    vssadmin.exe Delete Shadows /All /Quiet
    3⤵
    - Interacts with shadow copies
    PID:3060

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2528

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Indicator Removal

2

T1070

File Deletion

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

2

T1490

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
dfcb4cc829c6c7879f242c47329b6877

SHA1
31cdb468e629b23638337133550ddf7feb3aef50

SHA256
cb95852713d3e3bc78f4b987bee1d45ae70ffa3f4ab04286636c90b10cb7201e

SHA512
5fcb16abc32cce9e0c24175e50a656c54a687902e5ac4052fa049f815abbc7a8533fe022a5339d2156ed63ca94a63fc6058afb1d4191d27e01c72534905d3a86

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab8E4D.tmp

Filesize
61KB

MD5
f3441b8572aae8801c04f3060b550443

SHA1
4ef0a35436125d6821831ef36c28ffaf196cda15

SHA256
6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

SHA512
5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar8EBD.tmp

Filesize
163KB

MD5
9441737383d21192400eca82fda910ec

SHA1
725e0d606a4fc9ba44aa8ffde65bed15e65367e4

SHA256
bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

SHA512
7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

Download Submit
memory/1052-7-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/1052-4-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/1052-0-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/1052-3-0x0000000000220000-0x0000000000223000-memory.dmp

Filesize
12KB

Download
memory/1052-2-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/1052-1-0x0000000000220000-0x0000000000223000-memory.dmp

Filesize
12KB

Download
memory/2604-6-0x0000000000080000-0x00000000000A5000-memory.dmp

Filesize
148KB

Download
memory/2604-8-0x0000000000080000-0x00000000000A5000-memory.dmp

Filesize
148KB

Download
memory/2644-13-0x0000000000080000-0x00000000000A5000-memory.dmp

Filesize
148KB

Download
memory/2644-15-0x0000000000080000-0x00000000000A5000-memory.dmp

Filesize
148KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads