oski | b1d3c9d99b280d0b6c75efbf271254f8081cf947b77d51ff8fa9fa67e61e6513

General

Target

Request For Qoutation and Company Profile for.exe
Size

832KB
MD5

5be68e2fdd151ab51beb125c8796d3ac
SHA1

4eaf09cda6d4ce743b2aa5b274cb66b6a58f7f4f
SHA256

b1d3c9d99b280d0b6c75efbf271254f8081cf947b77d51ff8fa9fa67e61e6513
SHA512

ca7a46b577c48e3ae8b86bd62b8a364ca085464823ec8f32c6f630d13cd9bc9db75de9c74ec7c2aa5ad45cc4c5bf3e41f16732b0b6502ae0dc0b074b788430cd

Score

10^/10

oski discovery infostealer spyware stealer

Malware Config

Extracted

Family

oski

C2

gconnect.pro

Signatures

Oski
Oski is an infostealer targeting browser data, crypto wallets.
infostealer oski
Downloads MZ/PE file

Loads dropped DLL 3 IoCs

pid	Process
1632	Request For Qoutation and Company Profile for.exe
1632	Request For Qoutation and Company Profile for.exe
1632	Request For Qoutation and Company Profile for.exe

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
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1892 set thread context of 1632	1892	Request For Qoutation and Company Profile for.exe	27

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 1 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	Request For Qoutation and Company Profile for.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
1624	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1624	taskkill.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1892 wrote to memory of 1632	1892	Request For Qoutation and Company Profile for.exe	27
PID 1892 wrote to memory of 1632	1892	Request For Qoutation and Company Profile for.exe	27
PID 1892 wrote to memory of 1632	1892	Request For Qoutation and Company Profile for.exe	27
PID 1892 wrote to memory of 1632	1892	Request For Qoutation and Company Profile for.exe	27
PID 1892 wrote to memory of 1632	1892	Request For Qoutation and Company Profile for.exe	27
PID 1892 wrote to memory of 1632	1892	Request For Qoutation and Company Profile for.exe	27
PID 1892 wrote to memory of 1632	1892	Request For Qoutation and Company Profile for.exe	27
PID 1892 wrote to memory of 1632	1892	Request For Qoutation and Company Profile for.exe	27
PID 1892 wrote to memory of 1632	1892	Request For Qoutation and Company Profile for.exe	27
PID 1892 wrote to memory of 1632	1892	Request For Qoutation and Company Profile for.exe	27
PID 1632 wrote to memory of 324	1632	Request For Qoutation and Company Profile for.exe	30
PID 1632 wrote to memory of 324	1632	Request For Qoutation and Company Profile for.exe	30
PID 1632 wrote to memory of 324	1632	Request For Qoutation and Company Profile for.exe	30
PID 1632 wrote to memory of 324	1632	Request For Qoutation and Company Profile for.exe	30
PID 324 wrote to memory of 1624	324	cmd.exe	32
PID 324 wrote to memory of 1624	324	cmd.exe	32
PID 324 wrote to memory of 1624	324	cmd.exe	32
PID 324 wrote to memory of 1624	324	cmd.exe	32

C:\Users\Admin\AppData\Local\Temp\Request For Qoutation and Company Profile for.exe
"C:\Users\Admin\AppData\Local\Temp\Request For Qoutation and Company Profile for.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1892
- C:\Users\Admin\AppData\Local\Temp\Request For Qoutation and Company Profile for.exe
  "C:\Users\Admin\AppData\Local\Temp\Request For Qoutation and Company Profile for.exe"
  2⤵
  - Loads dropped DLL
  - Checks processor information in registry
  - Suspicious use of WriteProcessMemory
  PID:1632
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c taskkill /pid 1632 & erase C:\Users\Admin\AppData\Local\Temp\Request For Qoutation and Company Profile for.' & RD /S /Q C:\\ProgramData\\202528609251547\\* & exit
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:324
  - - C:\Windows\SysWOW64\taskkill.exe
      taskkill /pid 1632
      4⤵
      Kills process with taskkill
      Suspicious use of AdjustPrivilegeToken
      PID:1624

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\ProgramData\mozglue.dll

Filesize
133KB

MD5
8f73c08a9660691143661bf7332c3c27

SHA1
37fa65dd737c50fda710fdbde89e51374d0c204a

SHA256
3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

SHA512
0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

Download Submit
\ProgramData\nss3.dll

Filesize
1.2MB

MD5
bfac4e3c5908856ba17d41edcd455a51

SHA1
8eec7e888767aa9e4cca8ff246eb2aacb9170428

SHA256
e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

SHA512
2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

Download Submit
\ProgramData\sqlite3.dll

Filesize
630KB

MD5
e477a96c8f2b18d6b5c27bde49c990bf

SHA1
e980c9bf41330d1e5bd04556db4646a0210f7409

SHA256
16574f51785b0e2fc29c2c61477eb47bb39f714829999511dc8952b43ab17660

SHA512
335a86268e7c0e568b1c30981ec644e6cd332e66f96d2551b58a82515316693c1859d87b4f4b7310cf1ac386cee671580fdd999c3bcb23acf2c2282c01c8798c

Download Submit
memory/1632-75-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1632-73-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1632-61-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1632-62-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1632-64-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1632-66-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1632-68-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1632-70-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1632-80-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1892-54-0x0000000000880000-0x0000000000956000-memory.dmp

Filesize
856KB

Download
memory/1892-59-0x0000000007DF0000-0x0000000007E68000-memory.dmp

Filesize
480KB

Download
memory/1892-58-0x0000000004680000-0x000000000468C000-memory.dmp

Filesize
48KB

Download
memory/1892-57-0x0000000000860000-0x0000000000884000-memory.dmp

Filesize
144KB

Download
memory/1892-56-0x0000000000820000-0x0000000000844000-memory.dmp

Filesize
144KB

Download
memory/1892-60-0x0000000004CD0000-0x0000000004D0A000-memory.dmp

Filesize
232KB

Download
memory/1892-55-0x00000000753E1000-0x00000000753E3000-memory.dmp

Filesize
8KB

Download

Analysis

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