oski | a03b45dabcaf812402454befd876b2eafbdf9e967f3bb01e66f33f3cabbdebd5

General

Target

807a927252237ee6436724cbbcd05fa0.exe
Size

732KB
MD5

807a927252237ee6436724cbbcd05fa0
SHA1

2344ad154e7d098704278cd5e28fccd29a9dec15
SHA256

a03b45dabcaf812402454befd876b2eafbdf9e967f3bb01e66f33f3cabbdebd5
SHA512

7f0bba03bd838900569e63bdab43e7caa3a1ab2d6744fcb9c38e7ca8914fcf31323b3db5d1ed2efdef1b5b5326f980c8712faef53ca6966c42318b20fd4bd541
SSDEEP

12288:SPqqPtYaerpyXOSs1vJhzl7txF3gSEyI32u6Yaer:wMrpW6vfl7hpE7mmr

Score

10^/10

oski infostealer

Malware Config

Extracted

Family

oski

C2

zau.divendesign.in

Signatures

Oski
Oski is an infostealer targeting browser data, crypto wallets.
infostealer oski

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2152 set thread context of 2732	2152	807a927252237ee6436724cbbcd05fa0.exe	30

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2976	2732	WerFault.exe	30

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
2700	schtasks.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2152	807a927252237ee6436724cbbcd05fa0.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2152 wrote to memory of 2700	2152	807a927252237ee6436724cbbcd05fa0.exe	28
PID 2152 wrote to memory of 2700	2152	807a927252237ee6436724cbbcd05fa0.exe	28
PID 2152 wrote to memory of 2700	2152	807a927252237ee6436724cbbcd05fa0.exe	28
PID 2152 wrote to memory of 2700	2152	807a927252237ee6436724cbbcd05fa0.exe	28
PID 2152 wrote to memory of 2732	2152	807a927252237ee6436724cbbcd05fa0.exe	30
PID 2152 wrote to memory of 2732	2152	807a927252237ee6436724cbbcd05fa0.exe	30
PID 2152 wrote to memory of 2732	2152	807a927252237ee6436724cbbcd05fa0.exe	30
PID 2152 wrote to memory of 2732	2152	807a927252237ee6436724cbbcd05fa0.exe	30
PID 2152 wrote to memory of 2732	2152	807a927252237ee6436724cbbcd05fa0.exe	30
PID 2152 wrote to memory of 2732	2152	807a927252237ee6436724cbbcd05fa0.exe	30
PID 2152 wrote to memory of 2732	2152	807a927252237ee6436724cbbcd05fa0.exe	30
PID 2152 wrote to memory of 2732	2152	807a927252237ee6436724cbbcd05fa0.exe	30
PID 2152 wrote to memory of 2732	2152	807a927252237ee6436724cbbcd05fa0.exe	30
PID 2152 wrote to memory of 2732	2152	807a927252237ee6436724cbbcd05fa0.exe	30
PID 2732 wrote to memory of 2976	2732	807a927252237ee6436724cbbcd05fa0.exe	31
PID 2732 wrote to memory of 2976	2732	807a927252237ee6436724cbbcd05fa0.exe	31
PID 2732 wrote to memory of 2976	2732	807a927252237ee6436724cbbcd05fa0.exe	31
PID 2732 wrote to memory of 2976	2732	807a927252237ee6436724cbbcd05fa0.exe	31

C:\Users\Admin\AppData\Local\Temp\807a927252237ee6436724cbbcd05fa0.exe
"C:\Users\Admin\AppData\Local\Temp\807a927252237ee6436724cbbcd05fa0.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2152
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rFmqUFUNsPfqc" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8BFA.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2700
- C:\Users\Admin\AppData\Local\Temp\807a927252237ee6436724cbbcd05fa0.exe
  "{path}"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2732
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2732 -s 112
    3⤵
    - Program crash
    PID:2976

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp8BFA.tmp

Filesize
1KB

MD5
61874bb60b19943ff29b8cbac09e01e1

SHA1
2bd190af9062bc7d38d5f6be5a66ede05fdb163c

SHA256
e08a2f15c59f3cc3902466dfa64a5c3b113fad316cd6e8cb16dfa036caec37be

SHA512
9409133e0619779e68300d67d6c8745e91b9882e61b8125f38e44843759d3caa62ccb6671fb617657fcd31bb406d086f6a319cba0c6af2d6cd3eebeb9bb01166

Download Submit
memory/2152-4-0x00000000749F0000-0x00000000750DE000-memory.dmp

Filesize
6.9MB

Download
memory/2152-5-0x0000000001010000-0x0000000001050000-memory.dmp

Filesize
256KB

Download
memory/2152-24-0x00000000749F0000-0x00000000750DE000-memory.dmp

Filesize
6.9MB

Download
memory/2152-0-0x0000000001110000-0x00000000011CC000-memory.dmp

Filesize
752KB

Download
memory/2152-1-0x00000000749F0000-0x00000000750DE000-memory.dmp

Filesize
6.9MB

Download
memory/2152-6-0x0000000004F60000-0x0000000004FE2000-memory.dmp

Filesize
520KB

Download
memory/2152-7-0x0000000000BA0000-0x0000000000BDC000-memory.dmp

Filesize
240KB

Download
memory/2152-2-0x0000000001010000-0x0000000001050000-memory.dmp

Filesize
256KB

Download
memory/2152-3-0x00000000005C0000-0x00000000005C8000-memory.dmp

Filesize
32KB

Download
memory/2732-13-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2732-12-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2732-15-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2732-17-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2732-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2732-21-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2732-23-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2732-11-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads