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
behavioral1/memory/3000-4-0x0000000004DD0000-0x0000000004E48000-memory.dmp	family_zgrat_v1
behavioral1/memory/3000-5-0x0000000004DD0000-0x0000000004E41000-memory.dmp	family_zgrat_v1
behavioral1/memory/3000-6-0x0000000004DD0000-0x0000000004E41000-memory.dmp	family_zgrat_v1
behavioral1/memory/3000-8-0x0000000004DD0000-0x0000000004E41000-memory.dmp	family_zgrat_v1
behavioral1/memory/3000-12-0x0000000004DD0000-0x0000000004E41000-memory.dmp	family_zgrat_v1
behavioral1/memory/3000-10-0x0000000004DD0000-0x0000000004E41000-memory.dmp	family_zgrat_v1
behavioral1/memory/3000-14-0x0000000004DD0000-0x0000000004E41000-memory.dmp	family_zgrat_v1
behavioral1/memory/3000-16-0x0000000004DD0000-0x0000000004E41000-memory.dmp	family_zgrat_v1
behavioral1/memory/3000-18-0x0000000004DD0000-0x0000000004E41000-memory.dmp	family_zgrat_v1
behavioral1/memory/3000-20-0x0000000004DD0000-0x0000000004E41000-memory.dmp	family_zgrat_v1
behavioral1/memory/3000-22-0x0000000004DD0000-0x0000000004E41000-memory.dmp	family_zgrat_v1
behavioral1/memory/3000-28-0x0000000004DD0000-0x0000000004E41000-memory.dmp	family_zgrat_v1
behavioral1/memory/3000-26-0x0000000004DD0000-0x0000000004E41000-memory.dmp	family_zgrat_v1
behavioral1/memory/3000-24-0x0000000004DD0000-0x0000000004E41000-memory.dmp	family_zgrat_v1
behavioral1/memory/3000-30-0x0000000004DD0000-0x0000000004E41000-memory.dmp	family_zgrat_v1
behavioral1/memory/3000-32-0x0000000004DD0000-0x0000000004E41000-memory.dmp	family_zgrat_v1
behavioral1/memory/3000-34-0x0000000004DD0000-0x0000000004E41000-memory.dmp	family_zgrat_v1
behavioral1/memory/3000-36-0x0000000004DD0000-0x0000000004E41000-memory.dmp	family_zgrat_v1
behavioral1/memory/3000-38-0x0000000004DD0000-0x0000000004E41000-memory.dmp	family_zgrat_v1
behavioral1/memory/3000-40-0x0000000004DD0000-0x0000000004E41000-memory.dmp	family_zgrat_v1
behavioral1/memory/3000-42-0x0000000004DD0000-0x0000000004E41000-memory.dmp	family_zgrat_v1
behavioral1/memory/3000-44-0x0000000004DD0000-0x0000000004E41000-memory.dmp	family_zgrat_v1
behavioral1/memory/3000-48-0x0000000004DD0000-0x0000000004E41000-memory.dmp	family_zgrat_v1
behavioral1/memory/3000-50-0x0000000004DD0000-0x0000000004E41000-memory.dmp	family_zgrat_v1
behavioral1/memory/3000-52-0x0000000004DD0000-0x0000000004E41000-memory.dmp	family_zgrat_v1
behavioral1/memory/3000-46-0x0000000004DD0000-0x0000000004E41000-memory.dmp	family_zgrat_v1
behavioral1/memory/3000-54-0x0000000004DD0000-0x0000000004E41000-memory.dmp	family_zgrat_v1
behavioral1/memory/3000-56-0x0000000004DD0000-0x0000000004E41000-memory.dmp	family_zgrat_v1
behavioral1/memory/3000-58-0x0000000004DD0000-0x0000000004E41000-memory.dmp	family_zgrat_v1
behavioral1/memory/3000-60-0x0000000004DD0000-0x0000000004E41000-memory.dmp	family_zgrat_v1
behavioral1/memory/3000-62-0x0000000004DD0000-0x0000000004E41000-memory.dmp	family_zgrat_v1
behavioral1/memory/3000-64-0x0000000004DD0000-0x0000000004E41000-memory.dmp	family_zgrat_v1
behavioral1/memory/3000-66-0x0000000004DD0000-0x0000000004E41000-memory.dmp	family_zgrat_v1
behavioral1/memory/3000-68-0x0000000004DD0000-0x0000000004E41000-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 3000 set thread context of 3036	3000	f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe	f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2484 3036 WerFault.exe f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe

pid process

3000 f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe

description pid process

Token: SeDebugPrivilege 3000 f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe

pid	pid_target	process	target process
2484	3036	WerFault.exe	f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe

pid	process
3000	f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe

description	pid	process
Token: SeDebugPrivilege	3000	f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exef5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe

description	pid	process	target process
PID 3000 wrote to memory of 3036	3000	f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe	f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe
PID 3000 wrote to memory of 3036	3000	f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe	f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe
PID 3000 wrote to memory of 3036	3000	f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe	f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe
PID 3000 wrote to memory of 3036	3000	f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe	f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe
PID 3000 wrote to memory of 3036	3000	f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe	f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe
PID 3000 wrote to memory of 3036	3000	f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe	f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe
PID 3000 wrote to memory of 3036	3000	f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe	f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe
PID 3000 wrote to memory of 3036	3000	f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe	f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe
PID 3000 wrote to memory of 3036	3000	f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe	f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe
PID 3000 wrote to memory of 3036	3000	f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe	f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe
PID 3036 wrote to memory of 2484	3036	f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe	WerFault.exe
PID 3036 wrote to memory of 2484	3036	f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe	WerFault.exe
PID 3036 wrote to memory of 2484	3036	f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe	WerFault.exe
PID 3036 wrote to memory of 2484	3036	f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe	WerFault.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:3000

C:\Users\Admin\AppData\Local\Temp\f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\f5e11b62f485aa1e95073c665a147cd2_JaffaCakes118.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:3036

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3036 -s 760
3⤵
- Program crash
PID:2484

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/3000-0-0x0000000000F90000-0x0000000000FFA000-memory.dmp

Filesize
424KB

Download
memory/3000-1-0x0000000074160000-0x000000007484E000-memory.dmp

Filesize
6.9MB

Download
memory/3000-2-0x0000000004E90000-0x0000000004ED0000-memory.dmp

Filesize
256KB

Download
memory/3000-3-0x0000000000490000-0x00000000004EE000-memory.dmp

Filesize
376KB

Download
memory/3000-4-0x0000000004DD0000-0x0000000004E48000-memory.dmp

Filesize
480KB

Download
memory/3000-5-0x0000000004DD0000-0x0000000004E41000-memory.dmp

Filesize
452KB

Download
memory/3000-6-0x0000000004DD0000-0x0000000004E41000-memory.dmp

Filesize
452KB

Download
memory/3000-8-0x0000000004DD0000-0x0000000004E41000-memory.dmp

Filesize
452KB

Download
memory/3000-12-0x0000000004DD0000-0x0000000004E41000-memory.dmp

Filesize
452KB

Download
memory/3000-10-0x0000000004DD0000-0x0000000004E41000-memory.dmp

Filesize
452KB

Download
memory/3000-14-0x0000000004DD0000-0x0000000004E41000-memory.dmp

Filesize
452KB

Download
memory/3000-16-0x0000000004DD0000-0x0000000004E41000-memory.dmp

Filesize
452KB

Download
memory/3000-18-0x0000000004DD0000-0x0000000004E41000-memory.dmp

Filesize
452KB

Download
memory/3000-20-0x0000000004DD0000-0x0000000004E41000-memory.dmp

Filesize
452KB

Download
memory/3000-22-0x0000000004DD0000-0x0000000004E41000-memory.dmp

Filesize
452KB

Download
memory/3000-28-0x0000000004DD0000-0x0000000004E41000-memory.dmp

Filesize
452KB

Download
memory/3000-26-0x0000000004DD0000-0x0000000004E41000-memory.dmp

Filesize
452KB

Download
memory/3000-24-0x0000000004DD0000-0x0000000004E41000-memory.dmp

Filesize
452KB

Download
memory/3000-30-0x0000000004DD0000-0x0000000004E41000-memory.dmp

Filesize
452KB

Download
memory/3000-32-0x0000000004DD0000-0x0000000004E41000-memory.dmp

Filesize
452KB

Download
memory/3000-34-0x0000000004DD0000-0x0000000004E41000-memory.dmp

Filesize
452KB

Download
memory/3000-36-0x0000000004DD0000-0x0000000004E41000-memory.dmp

Filesize
452KB

Download
memory/3000-38-0x0000000004DD0000-0x0000000004E41000-memory.dmp

Filesize
452KB

Download
memory/3000-40-0x0000000004DD0000-0x0000000004E41000-memory.dmp

Filesize
452KB

Download
memory/3000-42-0x0000000004DD0000-0x0000000004E41000-memory.dmp

Filesize
452KB

Download
memory/3000-44-0x0000000004DD0000-0x0000000004E41000-memory.dmp

Filesize
452KB

Download
memory/3000-48-0x0000000004DD0000-0x0000000004E41000-memory.dmp

Filesize
452KB

Download
memory/3000-50-0x0000000004DD0000-0x0000000004E41000-memory.dmp

Filesize
452KB

Download
memory/3000-52-0x0000000004DD0000-0x0000000004E41000-memory.dmp

Filesize
452KB

Download
memory/3000-46-0x0000000004DD0000-0x0000000004E41000-memory.dmp

Filesize
452KB

Download
memory/3000-54-0x0000000004DD0000-0x0000000004E41000-memory.dmp

Filesize
452KB

Download
memory/3000-56-0x0000000004DD0000-0x0000000004E41000-memory.dmp

Filesize
452KB

Download
memory/3000-58-0x0000000004DD0000-0x0000000004E41000-memory.dmp

Filesize
452KB

Download
memory/3000-60-0x0000000004DD0000-0x0000000004E41000-memory.dmp

Filesize
452KB

Download
memory/3000-62-0x0000000004DD0000-0x0000000004E41000-memory.dmp

Filesize
452KB

Download
memory/3000-64-0x0000000004DD0000-0x0000000004E41000-memory.dmp

Filesize
452KB

Download
memory/3000-66-0x0000000004DD0000-0x0000000004E41000-memory.dmp

Filesize
452KB

Download
memory/3000-68-0x0000000004DD0000-0x0000000004E41000-memory.dmp

Filesize
452KB

Download
memory/3000-378-0x0000000074160000-0x000000007484E000-memory.dmp

Filesize
6.9MB

Download
memory/3000-2385-0x0000000074160000-0x000000007484E000-memory.dmp

Filesize
6.9MB

Download
memory/3036-2387-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/3036-2389-0x0000000000400000-0x0000000000434000-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