oski | 92e2cc7980fc342c59860a0e6a16c73f10ee3b0caac53530121e89448933d305

General

Target

960586bdf44ca1fcb8e80cd5846a77b6_JaffaCakes118.exe
Size

311KB
MD5

960586bdf44ca1fcb8e80cd5846a77b6
SHA1

50d76e219c07a9dc6d7fd827c9fe9f3ef050cfcb
SHA256

92e2cc7980fc342c59860a0e6a16c73f10ee3b0caac53530121e89448933d305
SHA512

1e2676c0357d3d1c1177d36816c84c5157956afc2d0ef30aa4fd0ea3aef3150cec31e3a9cdcd31a6d71b8cd2429973e27584e7a9b8003be475c935e31e1a283b
SSDEEP

6144:su9GzKRez4NQntICmsEkmnzmlkyW0RE/GpQt3m8w2QJIsgozaFLF:dGzTz4NayXixEOpsmXJ/giU

Score

10^/10

oski zgrat infostealer rat spyware stealer

Malware Config

Extracted

Family

oski

C2

scarsa.ac.ug

Signatures

Detect ZGRat V1 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2112-2-0x00000000049C0000-0x0000000004A08000-memory.dmp	family_zgrat_v1
behavioral1/memory/2112-3-0x0000000004530000-0x0000000004570000-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:

960586bdf44ca1fcb8e80cd5846a77b6_JaffaCakes118.exe

description	pid	Process	procid_target
PID 2112 set thread context of 3064	2112	960586bdf44ca1fcb8e80cd5846a77b6_JaffaCakes118.exe	28

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
1660	3064	WerFault.exe	28

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

960586bdf44ca1fcb8e80cd5846a77b6_JaffaCakes118.exe

pid	Process
2112	960586bdf44ca1fcb8e80cd5846a77b6_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

960586bdf44ca1fcb8e80cd5846a77b6_JaffaCakes118.exe

description	pid	Process
Token: SeDebugPrivilege	2112	960586bdf44ca1fcb8e80cd5846a77b6_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

960586bdf44ca1fcb8e80cd5846a77b6_JaffaCakes118.exe960586bdf44ca1fcb8e80cd5846a77b6_JaffaCakes118.exe

description	pid	Process	procid_target
PID 2112 wrote to memory of 3064	2112	960586bdf44ca1fcb8e80cd5846a77b6_JaffaCakes118.exe	28
PID 2112 wrote to memory of 3064	2112	960586bdf44ca1fcb8e80cd5846a77b6_JaffaCakes118.exe	28
PID 2112 wrote to memory of 3064	2112	960586bdf44ca1fcb8e80cd5846a77b6_JaffaCakes118.exe	28
PID 2112 wrote to memory of 3064	2112	960586bdf44ca1fcb8e80cd5846a77b6_JaffaCakes118.exe	28
PID 2112 wrote to memory of 3064	2112	960586bdf44ca1fcb8e80cd5846a77b6_JaffaCakes118.exe	28
PID 2112 wrote to memory of 3064	2112	960586bdf44ca1fcb8e80cd5846a77b6_JaffaCakes118.exe	28
PID 2112 wrote to memory of 3064	2112	960586bdf44ca1fcb8e80cd5846a77b6_JaffaCakes118.exe	28
PID 2112 wrote to memory of 3064	2112	960586bdf44ca1fcb8e80cd5846a77b6_JaffaCakes118.exe	28
PID 2112 wrote to memory of 3064	2112	960586bdf44ca1fcb8e80cd5846a77b6_JaffaCakes118.exe	28
PID 2112 wrote to memory of 3064	2112	960586bdf44ca1fcb8e80cd5846a77b6_JaffaCakes118.exe	28
PID 3064 wrote to memory of 1660	3064	960586bdf44ca1fcb8e80cd5846a77b6_JaffaCakes118.exe	32
PID 3064 wrote to memory of 1660	3064	960586bdf44ca1fcb8e80cd5846a77b6_JaffaCakes118.exe	32
PID 3064 wrote to memory of 1660	3064	960586bdf44ca1fcb8e80cd5846a77b6_JaffaCakes118.exe	32
PID 3064 wrote to memory of 1660	3064	960586bdf44ca1fcb8e80cd5846a77b6_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\960586bdf44ca1fcb8e80cd5846a77b6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\960586bdf44ca1fcb8e80cd5846a77b6_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2112
- C:\Users\Admin\AppData\Local\Temp\960586bdf44ca1fcb8e80cd5846a77b6_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\960586bdf44ca1fcb8e80cd5846a77b6_JaffaCakes118.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3064
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3064 -s 764
    3⤵
    - Program crash
    PID:1660

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

Loading Replay Monitor...

Downloads

memory/2112-20-0x0000000074130000-0x000000007481E000-memory.dmp

Filesize
6.9MB

Download
memory/2112-0-0x0000000000890000-0x00000000008E4000-memory.dmp

Filesize
336KB

Download
memory/2112-2-0x00000000049C0000-0x0000000004A08000-memory.dmp

Filesize
288KB

Download
memory/2112-3-0x0000000004530000-0x0000000004570000-memory.dmp

Filesize
256KB

Download
memory/2112-1-0x0000000074130000-0x000000007481E000-memory.dmp

Filesize
6.9MB

Download
memory/2112-4-0x0000000000600000-0x0000000000628000-memory.dmp

Filesize
160KB

Download
memory/3064-7-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/3064-9-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/3064-5-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/3064-13-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/3064-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3064-17-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/3064-11-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/3064-19-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/3064-21-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/3064-23-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads