stealc | d0c12de8d2a6fbe5508aee9868550ec7927270bf824d0151e01cc7e6f01bbc66

General

Target

d0c12de8d2a6fbe5508aee9868550ec7927270bf824d0151e01cc7e6f01bbc66exe_JC.exe
Size

286KB
MD5

9ee1ffdcdb9d3e7a492761bef286d23c
SHA1

125828f1e5efc3c2c0bf4033e0d8823749d72f9e
SHA256

d0c12de8d2a6fbe5508aee9868550ec7927270bf824d0151e01cc7e6f01bbc66
SHA512

4f5ef7f422341b5b4ce93e1ccf40bf073eda841ecae3952b444076afbb7bd97c9fda9ab2cc12b98587cf92fd87f7fc6c5c6e0af45a2f6048fa31ddf601d63825
SSDEEP

6144:EObeyJ8pXyQ5HhoegxaaIhUjFBgTxq3nQwfX7/QmB/txFwJV:EObr8RyQ5yQaiuFO83nQC0r

Score

10^/10

stealc discovery stealer

Malware Config

Extracted

Family

stealc

C2

http://aidandylan.top

Attributes

url_path
/3886d2276f6914c4.php

rc4.plain

Signatures

Stealc
Stealc is an infostealer written in C++.
stealer stealc
Downloads MZ/PE file

Deletes itself 1 IoCs

pid	Process
2080	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2504	6305253244.exe

Loads dropped DLL 2 IoCs

pid	Process
2600	cmd.exe
2600	cmd.exe

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	6305253244.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	6305253244.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
2144	taskkill.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2504	6305253244.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2144	taskkill.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1948 wrote to memory of 2600	1948	d0c12de8d2a6fbe5508aee9868550ec7927270bf824d0151e01cc7e6f01bbc66exe_JC.exe	32
PID 1948 wrote to memory of 2600	1948	d0c12de8d2a6fbe5508aee9868550ec7927270bf824d0151e01cc7e6f01bbc66exe_JC.exe	32
PID 1948 wrote to memory of 2600	1948	d0c12de8d2a6fbe5508aee9868550ec7927270bf824d0151e01cc7e6f01bbc66exe_JC.exe	32
PID 1948 wrote to memory of 2600	1948	d0c12de8d2a6fbe5508aee9868550ec7927270bf824d0151e01cc7e6f01bbc66exe_JC.exe	32
PID 2600 wrote to memory of 2504	2600	cmd.exe	34
PID 2600 wrote to memory of 2504	2600	cmd.exe	34
PID 2600 wrote to memory of 2504	2600	cmd.exe	34
PID 2600 wrote to memory of 2504	2600	cmd.exe	34
PID 1948 wrote to memory of 2080	1948	d0c12de8d2a6fbe5508aee9868550ec7927270bf824d0151e01cc7e6f01bbc66exe_JC.exe	36
PID 1948 wrote to memory of 2080	1948	d0c12de8d2a6fbe5508aee9868550ec7927270bf824d0151e01cc7e6f01bbc66exe_JC.exe	36
PID 1948 wrote to memory of 2080	1948	d0c12de8d2a6fbe5508aee9868550ec7927270bf824d0151e01cc7e6f01bbc66exe_JC.exe	36
PID 1948 wrote to memory of 2080	1948	d0c12de8d2a6fbe5508aee9868550ec7927270bf824d0151e01cc7e6f01bbc66exe_JC.exe	36
PID 2080 wrote to memory of 2144	2080	cmd.exe	38
PID 2080 wrote to memory of 2144	2080	cmd.exe	38
PID 2080 wrote to memory of 2144	2080	cmd.exe	38
PID 2080 wrote to memory of 2144	2080	cmd.exe	38

C:\Users\Admin\AppData\Local\Temp\d0c12de8d2a6fbe5508aee9868550ec7927270bf824d0151e01cc7e6f01bbc66exe_JC.exe
"C:\Users\Admin\AppData\Local\Temp\d0c12de8d2a6fbe5508aee9868550ec7927270bf824d0151e01cc7e6f01bbc66exe_JC.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1948
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c start /I "" "C:\Users\Admin\AppData\Local\Temp\6305253244.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2600
- - C:\Users\Admin\AppData\Local\Temp\6305253244.exe
    "C:\Users\Admin\AppData\Local\Temp\6305253244.exe"
    3⤵
    - Executes dropped EXE
    - Checks processor information in registry
    - Suspicious behavior: EnumeratesProcesses
    PID:2504
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "d0c12de8d2a6fbe5508aee9868550ec7927270bf824d0151e01cc7e6f01bbc66exe_JC.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\d0c12de8d2a6fbe5508aee9868550ec7927270bf824d0151e01cc7e6f01bbc66exe_JC.exe" & exit
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:2080
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "d0c12de8d2a6fbe5508aee9868550ec7927270bf824d0151e01cc7e6f01bbc66exe_JC.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2144

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\6305253244.exe

Filesize
202KB

MD5
042fe40a9dc436330754e183ac2b0b55

SHA1
397fd6687e026d09535ba00c7fabe6406eca7093

SHA256
60105053a8c43d3f3f63291c04e5485f938564f995cde262eb2014cf5d319208

SHA512
e7087eb45609180a18a21f9911feadbc196b1844d3a6d737e20e156cfb6e34daf06cdd6472ad610dc7ce3efdb6ec99a2098f08b23a68582e44759e44a572de19

Download Submit
C:\Users\Admin\AppData\Local\Temp\6305253244.exe

Filesize
202KB

MD5
042fe40a9dc436330754e183ac2b0b55

SHA1
397fd6687e026d09535ba00c7fabe6406eca7093

SHA256
60105053a8c43d3f3f63291c04e5485f938564f995cde262eb2014cf5d319208

SHA512
e7087eb45609180a18a21f9911feadbc196b1844d3a6d737e20e156cfb6e34daf06cdd6472ad610dc7ce3efdb6ec99a2098f08b23a68582e44759e44a572de19

Download Submit
\Users\Admin\AppData\Local\Temp\6305253244.exe

Filesize
202KB

MD5
042fe40a9dc436330754e183ac2b0b55

SHA1
397fd6687e026d09535ba00c7fabe6406eca7093

SHA256
60105053a8c43d3f3f63291c04e5485f938564f995cde262eb2014cf5d319208

SHA512
e7087eb45609180a18a21f9911feadbc196b1844d3a6d737e20e156cfb6e34daf06cdd6472ad610dc7ce3efdb6ec99a2098f08b23a68582e44759e44a572de19

Download Submit
\Users\Admin\AppData\Local\Temp\6305253244.exe

Filesize
202KB

MD5
042fe40a9dc436330754e183ac2b0b55

SHA1
397fd6687e026d09535ba00c7fabe6406eca7093

SHA256
60105053a8c43d3f3f63291c04e5485f938564f995cde262eb2014cf5d319208

SHA512
e7087eb45609180a18a21f9911feadbc196b1844d3a6d737e20e156cfb6e34daf06cdd6472ad610dc7ce3efdb6ec99a2098f08b23a68582e44759e44a572de19

Download Submit
memory/1948-6-0x0000000000400000-0x00000000005BF000-memory.dmp

Filesize
1.7MB

Download
memory/1948-7-0x0000000000220000-0x000000000025E000-memory.dmp

Filesize
248KB

Download
memory/1948-1-0x0000000000720000-0x0000000000820000-memory.dmp

Filesize
1024KB

Download
memory/1948-5-0x0000000000720000-0x0000000000820000-memory.dmp

Filesize
1024KB

Download
memory/1948-3-0x0000000000400000-0x00000000005BF000-memory.dmp

Filesize
1.7MB

Download
memory/1948-2-0x0000000000220000-0x000000000025E000-memory.dmp

Filesize
248KB

Download
memory/1948-32-0x0000000000400000-0x00000000005BF000-memory.dmp

Filesize
1.7MB

Download
memory/2504-30-0x0000000000400000-0x000000000062D000-memory.dmp

Filesize
2.2MB

Download
memory/2504-31-0x00000000001B0000-0x00000000001CB000-memory.dmp

Filesize
108KB

Download
memory/2504-29-0x0000000000290000-0x0000000000390000-memory.dmp

Filesize
1024KB

Download
memory/2504-33-0x0000000000400000-0x000000000062D000-memory.dmp

Filesize
2.2MB

Download
memory/2504-34-0x0000000000290000-0x0000000000390000-memory.dmp

Filesize
1024KB

Download
memory/2504-35-0x0000000000400000-0x000000000062D000-memory.dmp

Filesize
2.2MB

Download
memory/2504-36-0x0000000000400000-0x000000000062D000-memory.dmp

Filesize
2.2MB

Download

Analysis

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