oski | 1b466bd2985862702ab9fb242e0c79e27dd2c4b4c676d9ba44d6bef3e93b1534

General

Target

f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe
Size

397KB
MD5

f5e11b62f485aa1e95073c665a147cd2
SHA1

d71acedc812f72756b756e23fbc5c756d163ad48
SHA256

1b466bd2985862702ab9fb242e0c79e27dd2c4b4c676d9ba44d6bef3e93b1534
SHA512

df152055bb196822c638cf0a824907884076ebb65200535362d545a1d5c78e29631c8cef2651c1a944e43ac74b554ec4156efe36acf3465824a96f37e28fed96
SSDEEP

12288:VVWv1DWVrUhKHElWxsGTnBF1gIscpMz2+DPqMYIa7Pm6:VcDWVr0eE1UnBF1ggGz5bnYIa7

Score

10^/10

oski zgrat infostealer rat spyware stealer

Malware Config

Extracted

Family

oski

C2

hsagoi.ac.ug

Signatures

Detect ZGRat V1 34 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1036-9-0x0000000006880000-0x00000000068F8000-memory.dmp	family_zgrat_v1
behavioral2/memory/1036-11-0x0000000006880000-0x00000000068F1000-memory.dmp	family_zgrat_v1
behavioral2/memory/1036-13-0x0000000006880000-0x00000000068F1000-memory.dmp	family_zgrat_v1
behavioral2/memory/1036-17-0x0000000006880000-0x00000000068F1000-memory.dmp	family_zgrat_v1
behavioral2/memory/1036-15-0x0000000006880000-0x00000000068F1000-memory.dmp	family_zgrat_v1
behavioral2/memory/1036-19-0x0000000006880000-0x00000000068F1000-memory.dmp	family_zgrat_v1
behavioral2/memory/1036-23-0x0000000006880000-0x00000000068F1000-memory.dmp	family_zgrat_v1
behavioral2/memory/1036-21-0x0000000006880000-0x00000000068F1000-memory.dmp	family_zgrat_v1
behavioral2/memory/1036-25-0x0000000006880000-0x00000000068F1000-memory.dmp	family_zgrat_v1
behavioral2/memory/1036-10-0x0000000006880000-0x00000000068F1000-memory.dmp	family_zgrat_v1
behavioral2/memory/1036-27-0x0000000006880000-0x00000000068F1000-memory.dmp	family_zgrat_v1
behavioral2/memory/1036-31-0x0000000006880000-0x00000000068F1000-memory.dmp	family_zgrat_v1
behavioral2/memory/1036-29-0x0000000006880000-0x00000000068F1000-memory.dmp	family_zgrat_v1
behavioral2/memory/1036-33-0x0000000006880000-0x00000000068F1000-memory.dmp	family_zgrat_v1
behavioral2/memory/1036-35-0x0000000006880000-0x00000000068F1000-memory.dmp	family_zgrat_v1
behavioral2/memory/1036-37-0x0000000006880000-0x00000000068F1000-memory.dmp	family_zgrat_v1
behavioral2/memory/1036-41-0x0000000006880000-0x00000000068F1000-memory.dmp	family_zgrat_v1
behavioral2/memory/1036-39-0x0000000006880000-0x00000000068F1000-memory.dmp	family_zgrat_v1
behavioral2/memory/1036-43-0x0000000006880000-0x00000000068F1000-memory.dmp	family_zgrat_v1
behavioral2/memory/1036-45-0x0000000006880000-0x00000000068F1000-memory.dmp	family_zgrat_v1
behavioral2/memory/1036-47-0x0000000006880000-0x00000000068F1000-memory.dmp	family_zgrat_v1
behavioral2/memory/1036-49-0x0000000006880000-0x00000000068F1000-memory.dmp	family_zgrat_v1
behavioral2/memory/1036-53-0x0000000006880000-0x00000000068F1000-memory.dmp	family_zgrat_v1
behavioral2/memory/1036-51-0x0000000006880000-0x00000000068F1000-memory.dmp	family_zgrat_v1
behavioral2/memory/1036-55-0x0000000006880000-0x00000000068F1000-memory.dmp	family_zgrat_v1
behavioral2/memory/1036-59-0x0000000006880000-0x00000000068F1000-memory.dmp	family_zgrat_v1
behavioral2/memory/1036-61-0x0000000006880000-0x00000000068F1000-memory.dmp	family_zgrat_v1
behavioral2/memory/1036-57-0x0000000006880000-0x00000000068F1000-memory.dmp	family_zgrat_v1
behavioral2/memory/1036-63-0x0000000006880000-0x00000000068F1000-memory.dmp	family_zgrat_v1
behavioral2/memory/1036-65-0x0000000006880000-0x00000000068F1000-memory.dmp	family_zgrat_v1
behavioral2/memory/1036-67-0x0000000006880000-0x00000000068F1000-memory.dmp	family_zgrat_v1
behavioral2/memory/1036-69-0x0000000006880000-0x00000000068F1000-memory.dmp	family_zgrat_v1
behavioral2/memory/1036-71-0x0000000006880000-0x00000000068F1000-memory.dmp	family_zgrat_v1
behavioral2/memory/1036-73-0x0000000006880000-0x00000000068F1000-memory.dmp	family_zgrat_v1

Oski
Oski is an infostealer targeting browser data, crypto wallets.
infostealer oski
ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Suspicious use of SetThreadContext 1 IoCs

Processes:

f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe

description	pid	process	target process
PID 1036 set thread context of 3576	1036	f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe	f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3480 3576 WerFault.exe f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe

pid process

1036 f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe
1036 f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe

description pid process

Token: SeDebugPrivilege 1036 f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe

pid	pid_target	process	target process
3480	3576	WerFault.exe	f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe

pid	process
1036	f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe
1036	f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe

description	pid	process
Token: SeDebugPrivilege	1036	f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe

description	pid	process	target process
PID 1036 wrote to memory of 3576	1036	f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe	f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe
PID 1036 wrote to memory of 3576	1036	f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe	f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe
PID 1036 wrote to memory of 3576	1036	f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe	f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe
PID 1036 wrote to memory of 3576	1036	f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe	f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe
PID 1036 wrote to memory of 3576	1036	f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe	f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe
PID 1036 wrote to memory of 3576	1036	f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe	f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe
PID 1036 wrote to memory of 3576	1036	f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe	f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe
PID 1036 wrote to memory of 3576	1036	f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe	f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe
PID 1036 wrote to memory of 3576	1036	f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe	f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1036

C:\Users\Admin\AppData\Local\Temp\f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe
2⤵
PID:3576

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3576 -s 1288
3⤵
- Program crash
PID:3480

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3576 -ip 3576
1⤵
PID:3512

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1036-0-0x00000000001A0000-0x000000000020A000-memory.dmp

Filesize
424KB

Download
memory/1036-1-0x0000000074F70000-0x0000000075720000-memory.dmp

Filesize
7.7MB

Download
memory/1036-2-0x00000000051E0000-0x0000000005784000-memory.dmp

Filesize
5.6MB

Download
memory/1036-3-0x0000000004C30000-0x0000000004CC2000-memory.dmp

Filesize
584KB

Download
memory/1036-4-0x0000000004E20000-0x0000000004E30000-memory.dmp

Filesize
64KB

Download
memory/1036-5-0x0000000004BC0000-0x0000000004BCA000-memory.dmp

Filesize
40KB

Download
memory/1036-6-0x00000000065D0000-0x0000000006646000-memory.dmp

Filesize
472KB

Download
memory/1036-7-0x0000000006560000-0x00000000065BE000-memory.dmp

Filesize
376KB

Download
memory/1036-8-0x0000000006790000-0x00000000067AE000-memory.dmp

Filesize
120KB

Download
memory/1036-9-0x0000000006880000-0x00000000068F8000-memory.dmp

Filesize
480KB

Download
memory/1036-11-0x0000000006880000-0x00000000068F1000-memory.dmp

Filesize
452KB

Download
memory/1036-13-0x0000000006880000-0x00000000068F1000-memory.dmp

Filesize
452KB

Download
memory/1036-17-0x0000000006880000-0x00000000068F1000-memory.dmp

Filesize
452KB

Download
memory/1036-15-0x0000000006880000-0x00000000068F1000-memory.dmp

Filesize
452KB

Download
memory/1036-19-0x0000000006880000-0x00000000068F1000-memory.dmp

Filesize
452KB

Download
memory/1036-23-0x0000000006880000-0x00000000068F1000-memory.dmp

Filesize
452KB

Download
memory/1036-21-0x0000000006880000-0x00000000068F1000-memory.dmp

Filesize
452KB

Download
memory/1036-25-0x0000000006880000-0x00000000068F1000-memory.dmp

Filesize
452KB

Download
memory/1036-10-0x0000000006880000-0x00000000068F1000-memory.dmp

Filesize
452KB

Download
memory/1036-27-0x0000000006880000-0x00000000068F1000-memory.dmp

Filesize
452KB

Download
memory/1036-31-0x0000000006880000-0x00000000068F1000-memory.dmp

Filesize
452KB

Download
memory/1036-29-0x0000000006880000-0x00000000068F1000-memory.dmp

Filesize
452KB

Download
memory/1036-33-0x0000000006880000-0x00000000068F1000-memory.dmp

Filesize
452KB

Download
memory/1036-35-0x0000000006880000-0x00000000068F1000-memory.dmp

Filesize
452KB

Download
memory/1036-37-0x0000000006880000-0x00000000068F1000-memory.dmp

Filesize
452KB

Download
memory/1036-41-0x0000000006880000-0x00000000068F1000-memory.dmp

Filesize
452KB

Download
memory/1036-39-0x0000000006880000-0x00000000068F1000-memory.dmp

Filesize
452KB

Download
memory/1036-43-0x0000000006880000-0x00000000068F1000-memory.dmp

Filesize
452KB

Download
memory/1036-45-0x0000000006880000-0x00000000068F1000-memory.dmp

Filesize
452KB

Download
memory/1036-47-0x0000000006880000-0x00000000068F1000-memory.dmp

Filesize
452KB

Download
memory/1036-49-0x0000000006880000-0x00000000068F1000-memory.dmp

Filesize
452KB

Download
memory/1036-53-0x0000000006880000-0x00000000068F1000-memory.dmp

Filesize
452KB

Download
memory/1036-51-0x0000000006880000-0x00000000068F1000-memory.dmp

Filesize
452KB

Download
memory/1036-55-0x0000000006880000-0x00000000068F1000-memory.dmp

Filesize
452KB

Download
memory/1036-59-0x0000000006880000-0x00000000068F1000-memory.dmp

Filesize
452KB

Download
memory/1036-61-0x0000000006880000-0x00000000068F1000-memory.dmp

Filesize
452KB

Download
memory/1036-57-0x0000000006880000-0x00000000068F1000-memory.dmp

Filesize
452KB

Download
memory/1036-63-0x0000000006880000-0x00000000068F1000-memory.dmp

Filesize
452KB

Download
memory/1036-65-0x0000000006880000-0x00000000068F1000-memory.dmp

Filesize
452KB

Download
memory/1036-67-0x0000000006880000-0x00000000068F1000-memory.dmp

Filesize
452KB

Download
memory/1036-69-0x0000000006880000-0x00000000068F1000-memory.dmp

Filesize
452KB

Download
memory/1036-71-0x0000000006880000-0x00000000068F1000-memory.dmp

Filesize
452KB

Download
memory/1036-73-0x0000000006880000-0x00000000068F1000-memory.dmp

Filesize
452KB

Download
memory/1036-274-0x0000000074F70000-0x0000000075720000-memory.dmp

Filesize
7.7MB

Download
memory/1036-1654-0x0000000004E20000-0x0000000004E30000-memory.dmp

Filesize
64KB

Download
memory/1036-2386-0x0000000074F70000-0x0000000075720000-memory.dmp

Filesize
7.7MB

Download
memory/3576-2387-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/3576-2390-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads