zeppelin | d7cece314f0c504bdb7f097718c4d66e4e5132016c83d9fbffb82528f440b13c

General

Target

2023-08-26_51e3c1e8f1e4bb84098cc6f86092aa51_zeppelin_JC.exe
Size

211KB
MD5

51e3c1e8f1e4bb84098cc6f86092aa51
SHA1

d0dd5aa280c4db736aa1130d54cb8e8bd4830ccb
SHA256

d7cece314f0c504bdb7f097718c4d66e4e5132016c83d9fbffb82528f440b13c
SHA512

f6f274b7bfb91050f98a5190aac5790dc3d8d46b147f4200a993015442234c630a425b9800e2758aab4de5d554cf793d1ee529de3cafbf052fa29a05efe73080
SSDEEP

6144:yia1gMHOPDWIhID8X/4DQFu/U3buRKlemZ9DnGAetTsB+7o+:yIMH06cID84DQFu/U3buRKlemZ9DnGAI

Score

10^/10

Malware Config

Signatures

Detects Zeppelin payload 5 IoCs

resource	yara_rule
behavioral2/files/0x00090000000231cb-6.dat	family_zeppelin
behavioral2/files/0x00090000000231cb-8.dat	family_zeppelin
behavioral2/files/0x00090000000231cb-9.dat	family_zeppelin
behavioral2/memory/3224-13-0x00000000004F0000-0x0000000000630000-memory.dmp	family_zeppelin
behavioral2/memory/5004-15-0x0000000000B90000-0x0000000000CD0000-memory.dmp	family_zeppelin

Zeppelin Ransomware
Ransomware-as-a-service (RaaS) written in Delphi and first seen in 2019.
ransomware zeppelin

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\Control Panel\International\Geo\Nation	2023-08-26_51e3c1e8f1e4bb84098cc6f86092aa51_zeppelin_JC.exe

Executes dropped EXE 1 IoCs

pid	Process
5004	services.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\services.exe = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\services.exe\" -start"	2023-08-26_51e3c1e8f1e4bb84098cc6f86092aa51_zeppelin_JC.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4216	5004	WerFault.exe	86

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3224	2023-08-26_51e3c1e8f1e4bb84098cc6f86092aa51_zeppelin_JC.exe
Token: SeDebugPrivilege	3224	2023-08-26_51e3c1e8f1e4bb84098cc6f86092aa51_zeppelin_JC.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3224 wrote to memory of 5004	3224	2023-08-26_51e3c1e8f1e4bb84098cc6f86092aa51_zeppelin_JC.exe	86
PID 3224 wrote to memory of 5004	3224	2023-08-26_51e3c1e8f1e4bb84098cc6f86092aa51_zeppelin_JC.exe	86
PID 3224 wrote to memory of 5004	3224	2023-08-26_51e3c1e8f1e4bb84098cc6f86092aa51_zeppelin_JC.exe	86
PID 3224 wrote to memory of 3656	3224	2023-08-26_51e3c1e8f1e4bb84098cc6f86092aa51_zeppelin_JC.exe	87
PID 3224 wrote to memory of 3656	3224	2023-08-26_51e3c1e8f1e4bb84098cc6f86092aa51_zeppelin_JC.exe	87
PID 3224 wrote to memory of 3656	3224	2023-08-26_51e3c1e8f1e4bb84098cc6f86092aa51_zeppelin_JC.exe	87
PID 3224 wrote to memory of 3656	3224	2023-08-26_51e3c1e8f1e4bb84098cc6f86092aa51_zeppelin_JC.exe	87
PID 3224 wrote to memory of 3656	3224	2023-08-26_51e3c1e8f1e4bb84098cc6f86092aa51_zeppelin_JC.exe	87
PID 3224 wrote to memory of 3656	3224	2023-08-26_51e3c1e8f1e4bb84098cc6f86092aa51_zeppelin_JC.exe	87

C:\Users\Admin\AppData\Local\Temp\2023-08-26_51e3c1e8f1e4bb84098cc6f86092aa51_zeppelin_JC.exe
"C:\Users\Admin\AppData\Local\Temp\2023-08-26_51e3c1e8f1e4bb84098cc6f86092aa51_zeppelin_JC.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3224
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\services.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\services.exe" -start
  2⤵
  - Executes dropped EXE
  PID:5004
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5004 -s 664
    3⤵
    - Program crash
    PID:4216
- C:\Windows\SysWOW64\notepad.exe
  notepad.exe
  2⤵
  PID:3656

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 5004 -ip 5004
1⤵
PID:1500

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

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\services.exe

Filesize
211KB

MD5
51e3c1e8f1e4bb84098cc6f86092aa51

SHA1
d0dd5aa280c4db736aa1130d54cb8e8bd4830ccb

SHA256
d7cece314f0c504bdb7f097718c4d66e4e5132016c83d9fbffb82528f440b13c

SHA512
f6f274b7bfb91050f98a5190aac5790dc3d8d46b147f4200a993015442234c630a425b9800e2758aab4de5d554cf793d1ee529de3cafbf052fa29a05efe73080

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\services.exe

Filesize
211KB

MD5
51e3c1e8f1e4bb84098cc6f86092aa51

SHA1
d0dd5aa280c4db736aa1130d54cb8e8bd4830ccb

SHA256
d7cece314f0c504bdb7f097718c4d66e4e5132016c83d9fbffb82528f440b13c

SHA512
f6f274b7bfb91050f98a5190aac5790dc3d8d46b147f4200a993015442234c630a425b9800e2758aab4de5d554cf793d1ee529de3cafbf052fa29a05efe73080

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\services.exe

Filesize
211KB

MD5
51e3c1e8f1e4bb84098cc6f86092aa51

SHA1
d0dd5aa280c4db736aa1130d54cb8e8bd4830ccb

SHA256
d7cece314f0c504bdb7f097718c4d66e4e5132016c83d9fbffb82528f440b13c

SHA512
f6f274b7bfb91050f98a5190aac5790dc3d8d46b147f4200a993015442234c630a425b9800e2758aab4de5d554cf793d1ee529de3cafbf052fa29a05efe73080

Download Submit
memory/3224-13-0x00000000004F0000-0x0000000000630000-memory.dmp

Filesize
1.2MB

Download
memory/3656-10-0x0000000000BF0000-0x0000000000BF1000-memory.dmp

Filesize
4KB

Download
memory/5004-15-0x0000000000B90000-0x0000000000CD0000-memory.dmp

Filesize
1.2MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads