3d2b5b2bb9898c528c6800018b6225965bec251fc3f49ccf1d2cc42dde7c2018 | Triage

Analysis

max time kernel
142s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
02/10/2023, 19:23

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General

Target

PO698535787884.exe
Size

618KB
MD5

9041039000fabe2ec5a095d7466c2a63
SHA1

0b5ac9c7ce086fc844dd9c8dadfa72f9c7cbd210
SHA256

fdd1809f12f7c3da60911712659cb458ea68a10f2db7a08dd0b4a4d49c0ac7c0
SHA512

0ab192616ade6c4349ec259b8155e90d0317e3590f8f9ec077f30f506fc30bef9f38e8cc76504f94ab16a02839140194c762ce5d212c28245e1ea113751062ed
SSDEEP

12288:fM0yMLFPlP5ZkXrrTJ9i5ioy+zgDdCwTPIXH3tPO3QtQB8K:f7LFtnk7E5rzSdRPI5zQB

Score

10^/10

spyware stealer

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
smtp.yandex.ru
Port:
587
Username:
[email protected]
Password:
Chibuonyenze8888

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000\Control Panel\International\Geo\Nation	PO698535787884.exe

Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
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

description	pid	Process	procid_target
PID 1400 set thread context of 1784	1400	PO698535787884.exe	96

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

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

Scheduled Task/Job

pid	Process
3436	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1784	PO698535787884.exe
1784	PO698535787884.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1784	PO698535787884.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1784	PO698535787884.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1400 wrote to memory of 3436	1400	PO698535787884.exe	94
PID 1400 wrote to memory of 3436	1400	PO698535787884.exe	94
PID 1400 wrote to memory of 3436	1400	PO698535787884.exe	94
PID 1400 wrote to memory of 1784	1400	PO698535787884.exe	96
PID 1400 wrote to memory of 1784	1400	PO698535787884.exe	96
PID 1400 wrote to memory of 1784	1400	PO698535787884.exe	96
PID 1400 wrote to memory of 1784	1400	PO698535787884.exe	96
PID 1400 wrote to memory of 1784	1400	PO698535787884.exe	96
PID 1400 wrote to memory of 1784	1400	PO698535787884.exe	96
PID 1400 wrote to memory of 1784	1400	PO698535787884.exe	96
PID 1400 wrote to memory of 1784	1400	PO698535787884.exe	96

C:\Users\Admin\AppData\Local\Temp\PO698535787884.exe
"C:\Users\Admin\AppData\Local\Temp\PO698535787884.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1400
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\sROfpkegP" /XML "C:\Users\Admin\AppData\Local\Temp\tmp44D4.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3436
- C:\Users\Admin\AppData\Local\Temp\PO698535787884.exe
  "{path}"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1784

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

Persistence

Scheduled Task/Job

Privilege Escalation

Scheduled Task/Job

Defense Evasion

Credential Access

Unsecured Credentials

Credentials In Files

Discovery

Query Registry

System Information Discovery

Lateral Movement

Collection

Data from Local System

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PO698535787884.exe.log

Filesize
1KB

MD5
17573558c4e714f606f997e5157afaac

SHA1
13e16e9415ceef429aaf124139671ebeca09ed23

SHA256
c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

SHA512
f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp44D4.tmp

Filesize
1KB

MD5
877ed40f3674b8cf24e5cb952cc73396

SHA1
b228a38549a8dfa6b82c1e50d8c7c330b133990e

SHA256
5f74e137fac10349aca7ca0d48f971e47ed53982f5cf7ab9e2295347f1943aff

SHA512
d71a06cdca3d19c0c1bd9fae4971110fa8ba5da5aa19466b8c6a2d05f4d9672adcafc026489c7f4bc33570fc249b838923b6e024e86eb57611288c9150d26acd

Download Submit
memory/1400-12-0x000000007F950000-0x000000007F960000-memory.dmp

Filesize
64KB

Download
memory/1400-10-0x0000000074990000-0x0000000075140000-memory.dmp

Filesize
7.7MB

Download
memory/1400-4-0x0000000005B50000-0x0000000005BE2000-memory.dmp

Filesize
584KB

Download
memory/1400-5-0x0000000005DA0000-0x0000000005DB0000-memory.dmp

Filesize
64KB

Download
memory/1400-6-0x00000000059E0000-0x00000000059EA000-memory.dmp

Filesize
40KB

Download
memory/1400-7-0x0000000005BF0000-0x0000000005C46000-memory.dmp

Filesize
344KB

Download
memory/1400-8-0x000000007F950000-0x000000007F960000-memory.dmp

Filesize
64KB

Download
memory/1400-14-0x0000000006D60000-0x0000000006DA0000-memory.dmp

Filesize
256KB

Download
memory/1400-13-0x0000000006EA0000-0x0000000006F20000-memory.dmp

Filesize
512KB

Download
memory/1400-11-0x0000000005DA0000-0x0000000005DB0000-memory.dmp

Filesize
64KB

Download
memory/1400-3-0x0000000006100000-0x00000000066A4000-memory.dmp

Filesize
5.6MB

Download
memory/1400-0-0x0000000000F60000-0x0000000001000000-memory.dmp

Filesize
640KB

Download
memory/1400-9-0x0000000008820000-0x000000000882C000-memory.dmp

Filesize
48KB

Download
memory/1400-2-0x0000000005AB0000-0x0000000005B4C000-memory.dmp

Filesize
624KB

Download
memory/1400-22-0x0000000074990000-0x0000000075140000-memory.dmp

Filesize
7.7MB

Download
memory/1400-1-0x0000000074990000-0x0000000075140000-memory.dmp

Filesize
7.7MB

Download
memory/1784-21-0x0000000074990000-0x0000000075140000-memory.dmp

Filesize
7.7MB

Download
memory/1784-18-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1784-23-0x0000000004ED0000-0x0000000004EE0000-memory.dmp

Filesize
64KB

Download
memory/1784-24-0x0000000005090000-0x00000000050F6000-memory.dmp

Filesize
408KB

Download
memory/1784-25-0x0000000005D50000-0x0000000005DA0000-memory.dmp

Filesize
320KB

Download
memory/1784-26-0x0000000074990000-0x0000000075140000-memory.dmp

Filesize
7.7MB

Download
memory/1784-27-0x0000000004ED0000-0x0000000004EE0000-memory.dmp

Filesize
64KB

Download