zeppelin | e416fe29a9007d96f7f268aa01d37382ce4581b55d9fae2947df79df34a7e440

Analysis

max time kernel
91s
max time network
131s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
27-10-2022 11:40

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General

Target

e416fe29a9007d96f7f268aa01d37382ce4581b55d9fae2947df79df34a7e440.exe
Size

211KB
MD5

19111728bd752688482ffb91eba51913
SHA1

d3f742f64a6d419b2e96651c9993d60f93bdafa9
SHA256

e416fe29a9007d96f7f268aa01d37382ce4581b55d9fae2947df79df34a7e440
SHA512

a9cb2e7c98a4847e15b1a0dcd675df9b407c46f82fe623e3cdbdc99d7b9d3af2dd76c9b51541da9ea024acd95efcd74c0be8e37584b91d17b8a97f97e24dce2f
SSDEEP

6144:hia1gMHOPDWIhID8X/4DQFu/U3buRKlemZ9DnGAetTsB+g0+:hIMH06cID84DQFu/U3buRKlemZ9DnGAI

Score

10^/10

zeppelin persistence ransomware

Malware Config

Signatures

Detects Zeppelin payload 2 IoCs

resource	yara_rule
behavioral2/files/0x000b000000022e32-133.dat	family_zeppelin
behavioral2/files/0x000b000000022e32-134.dat	family_zeppelin

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

Executes dropped EXE 1 IoCs

pid	Process
4844	smss.exe

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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	e416fe29a9007d96f7f268aa01d37382ce4581b55d9fae2947df79df34a7e440.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\smss.exe = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\smss.exe\" -start"	e416fe29a9007d96f7f268aa01d37382ce4581b55d9fae2947df79df34a7e440.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run	e416fe29a9007d96f7f268aa01d37382ce4581b55d9fae2947df79df34a7e440.exe

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
4060	4844	WerFault.exe	82

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1820	e416fe29a9007d96f7f268aa01d37382ce4581b55d9fae2947df79df34a7e440.exe
Token: SeDebugPrivilege	1820	e416fe29a9007d96f7f268aa01d37382ce4581b55d9fae2947df79df34a7e440.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1820 wrote to memory of 4844	1820	e416fe29a9007d96f7f268aa01d37382ce4581b55d9fae2947df79df34a7e440.exe	82
PID 1820 wrote to memory of 4844	1820	e416fe29a9007d96f7f268aa01d37382ce4581b55d9fae2947df79df34a7e440.exe	82
PID 1820 wrote to memory of 4844	1820	e416fe29a9007d96f7f268aa01d37382ce4581b55d9fae2947df79df34a7e440.exe	82
PID 1820 wrote to memory of 4080	1820	e416fe29a9007d96f7f268aa01d37382ce4581b55d9fae2947df79df34a7e440.exe	83
PID 1820 wrote to memory of 4080	1820	e416fe29a9007d96f7f268aa01d37382ce4581b55d9fae2947df79df34a7e440.exe	83
PID 1820 wrote to memory of 4080	1820	e416fe29a9007d96f7f268aa01d37382ce4581b55d9fae2947df79df34a7e440.exe	83
PID 1820 wrote to memory of 4080	1820	e416fe29a9007d96f7f268aa01d37382ce4581b55d9fae2947df79df34a7e440.exe	83
PID 1820 wrote to memory of 4080	1820	e416fe29a9007d96f7f268aa01d37382ce4581b55d9fae2947df79df34a7e440.exe	83
PID 1820 wrote to memory of 4080	1820	e416fe29a9007d96f7f268aa01d37382ce4581b55d9fae2947df79df34a7e440.exe	83

C:\Users\Admin\AppData\Local\Temp\e416fe29a9007d96f7f268aa01d37382ce4581b55d9fae2947df79df34a7e440.exe
"C:\Users\Admin\AppData\Local\Temp\e416fe29a9007d96f7f268aa01d37382ce4581b55d9fae2947df79df34a7e440.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1820
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\smss.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\smss.exe" -start
  2⤵
  - Executes dropped EXE
  PID:4844
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4844 -s 672
    3⤵
    - Program crash
    PID:4060
- C:\Windows\SysWOW64\notepad.exe
  notepad.exe
  2⤵
  PID:4080

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4844 -ip 4844
1⤵
PID:216

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
211KB

MD5
19111728bd752688482ffb91eba51913

SHA1
d3f742f64a6d419b2e96651c9993d60f93bdafa9

SHA256
e416fe29a9007d96f7f268aa01d37382ce4581b55d9fae2947df79df34a7e440

SHA512
a9cb2e7c98a4847e15b1a0dcd675df9b407c46f82fe623e3cdbdc99d7b9d3af2dd76c9b51541da9ea024acd95efcd74c0be8e37584b91d17b8a97f97e24dce2f

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

Filesize
211KB

MD5
19111728bd752688482ffb91eba51913

SHA1
d3f742f64a6d419b2e96651c9993d60f93bdafa9

SHA256
e416fe29a9007d96f7f268aa01d37382ce4581b55d9fae2947df79df34a7e440

SHA512
a9cb2e7c98a4847e15b1a0dcd675df9b407c46f82fe623e3cdbdc99d7b9d3af2dd76c9b51541da9ea024acd95efcd74c0be8e37584b91d17b8a97f97e24dce2f

Download Submit