purelogstealer | 64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
26-08-2024 04:34

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General

Target

Mswgoudnv.exe
Size

924KB
MD5

de64bb0f39113e48a8499d3401461cf8
SHA1

8d78c2d4701e4596e87e3f09adde214a2a2033e8
SHA256

64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a
SHA512

35b7cdcfb866dcdc79be34066a9ad5a8058b80e68925aeb23708606149841022de17e9d205389c13803c01e356174a2f657773df7d53f889e4e1fc1d68074179
SSDEEP

24576:NAHFp2K15zXnjfQb6+jFb5RIAJTOcA4gnPdCPPd7wm:WHf15zM5JbtA4wPdCnd75

Score

10^/10

purelogstealer discovery persistence stealer

Malware Config

Signatures

PureLog Stealer
PureLog Stealer is an infostealer written in C#.
stealer purelogstealer

PureLog Stealer payload 2 IoCs

resource	yara_rule
behavioral2/memory/2192-1-0x0000000000220000-0x000000000030E000-memory.dmp	family_purelog_stealer
behavioral2/files/0x0008000000023405-1098.dat	family_purelog_stealer

Suspicious use of NtCreateUserProcessOtherParentProcess 3 IoCs

description	pid	Process	procid_target
PID 2192 created 3468	2192	Mswgoudnv.exe	56
PID 1476 created 3468	1476	ijlpk.exe	56
PID 5224 created 3468	5224	ijlpk.exe	56

Executes dropped EXE 4 IoCs

pid	Process
1476	ijlpk.exe
1764	ijlpk.exe
5224	ijlpk.exe
5880	ijlpk.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\afasdfga = "C:\\Users\\Admin\\AppData\\Roaming\\afasdfga.exe"	Mswgoudnv.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2192 set thread context of 5012	2192	Mswgoudnv.exe	107
PID 1476 set thread context of 1764	1476	ijlpk.exe	113
PID 5224 set thread context of 5880	5224	ijlpk.exe	123

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\Test Task17.job	Mswgoudnv.exe

System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Mswgoudnv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ijlpk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ijlpk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ijlpk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ijlpk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Mswgoudnv.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2192	Mswgoudnv.exe
2192	Mswgoudnv.exe
1476	ijlpk.exe
5224	ijlpk.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2192	Mswgoudnv.exe
Token: SeDebugPrivilege	2192	Mswgoudnv.exe
Token: SeDebugPrivilege	1476	ijlpk.exe
Token: SeDebugPrivilege	1476	ijlpk.exe
Token: SeDebugPrivilege	5224	ijlpk.exe
Token: SeDebugPrivilege	5224	ijlpk.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2192 wrote to memory of 5012	2192	Mswgoudnv.exe	107
PID 2192 wrote to memory of 5012	2192	Mswgoudnv.exe	107
PID 2192 wrote to memory of 5012	2192	Mswgoudnv.exe	107
PID 2192 wrote to memory of 5012	2192	Mswgoudnv.exe	107
PID 2192 wrote to memory of 5012	2192	Mswgoudnv.exe	107
PID 2192 wrote to memory of 5012	2192	Mswgoudnv.exe	107
PID 2192 wrote to memory of 5012	2192	Mswgoudnv.exe	107
PID 2192 wrote to memory of 5012	2192	Mswgoudnv.exe	107
PID 1476 wrote to memory of 1764	1476	ijlpk.exe	113
PID 1476 wrote to memory of 1764	1476	ijlpk.exe	113
PID 1476 wrote to memory of 1764	1476	ijlpk.exe	113
PID 1476 wrote to memory of 1764	1476	ijlpk.exe	113
PID 1476 wrote to memory of 1764	1476	ijlpk.exe	113
PID 1476 wrote to memory of 1764	1476	ijlpk.exe	113
PID 1476 wrote to memory of 1764	1476	ijlpk.exe	113
PID 1476 wrote to memory of 1764	1476	ijlpk.exe	113
PID 5224 wrote to memory of 5880	5224	ijlpk.exe	123
PID 5224 wrote to memory of 5880	5224	ijlpk.exe	123
PID 5224 wrote to memory of 5880	5224	ijlpk.exe	123
PID 5224 wrote to memory of 5880	5224	ijlpk.exe	123
PID 5224 wrote to memory of 5880	5224	ijlpk.exe	123
PID 5224 wrote to memory of 5880	5224	ijlpk.exe	123
PID 5224 wrote to memory of 5880	5224	ijlpk.exe	123
PID 5224 wrote to memory of 5880	5224	ijlpk.exe	123

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3468
- C:\Users\Admin\AppData\Local\Temp\Mswgoudnv.exe
  "C:\Users\Admin\AppData\Local\Temp\Mswgoudnv.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2192
- C:\Users\Admin\AppData\Local\Temp\Mswgoudnv.exe
  "C:\Users\Admin\AppData\Local\Temp\Mswgoudnv.exe"
  2⤵
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  PID:5012
- C:\ProgramData\vvotbj\ijlpk.exe
  "C:\ProgramData\vvotbj\ijlpk.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1764
- C:\ProgramData\vvotbj\ijlpk.exe
  "C:\ProgramData\vvotbj\ijlpk.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:5880

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4464,i,8231329449558834090,4540802069600791165,262144 --variations-seed-version --mojo-platform-channel-handle=4480 /prefetch:8
1⤵
PID:3696

C:\ProgramData\vvotbj\ijlpk.exe
C:\ProgramData\vvotbj\ijlpk.exe
1⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1476

C:\ProgramData\vvotbj\ijlpk.exe
C:\ProgramData\vvotbj\ijlpk.exe
1⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5224

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\vvotbj\ijlpk.exe

Filesize
924KB

MD5
de64bb0f39113e48a8499d3401461cf8

SHA1
8d78c2d4701e4596e87e3f09adde214a2a2033e8

SHA256
64b58794801f282e92571676e3571afc5c59033c262406bf0d36e1d6ef3cda6a

SHA512
35b7cdcfb866dcdc79be34066a9ad5a8058b80e68925aeb23708606149841022de17e9d205389c13803c01e356174a2f657773df7d53f889e4e1fc1d68074179

Download Submit
C:\Windows\Tasks\Test Task17.job

Filesize
236B

MD5
0122e7dea09dded5fc251dc6c4cd8166

SHA1
e23d2569bc6dd3b1527a4d7e45ba4c050786ce8f

SHA256
6f9a25e7c7a0fbcd2932da32cc9f9f889745f91d093fcf1329eaf274800d62f7

SHA512
6c8b42a84eb942f2a9f2b350abafe5154194d6c0d1ef229d11a72e2f696af49a67662f33c6e937ad34d0e6df82eca0989dc93ce7ec469c7cca8ff1e7bcdfadb8

Download Submit
memory/1476-1100-0x000000007487E000-0x000000007487F000-memory.dmp

Filesize
4KB

Download
memory/1476-1101-0x0000000074870000-0x0000000075020000-memory.dmp

Filesize
7.7MB

Download
memory/1476-2174-0x0000000074870000-0x0000000075020000-memory.dmp

Filesize
7.7MB

Download
memory/1476-2190-0x0000000074870000-0x0000000075020000-memory.dmp

Filesize
7.7MB

Download
memory/1476-2182-0x0000000074870000-0x0000000075020000-memory.dmp

Filesize
7.7MB

Download
memory/1476-2181-0x000000007487E000-0x000000007487F000-memory.dmp

Filesize
4KB

Download
memory/1476-2180-0x0000000074870000-0x0000000075020000-memory.dmp

Filesize
7.7MB

Download
memory/1476-2179-0x0000000074870000-0x0000000075020000-memory.dmp

Filesize
7.7MB

Download
memory/1476-2178-0x0000000074870000-0x0000000075020000-memory.dmp

Filesize
7.7MB

Download
memory/1764-2191-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2192-13-0x0000000004DE0000-0x0000000004EB8000-memory.dmp

Filesize
864KB

Download
memory/2192-62-0x0000000004DE0000-0x0000000004EB8000-memory.dmp

Filesize
864KB

Download
memory/2192-68-0x0000000004DE0000-0x0000000004EB8000-memory.dmp

Filesize
864KB

Download
memory/2192-52-0x0000000004DE0000-0x0000000004EB8000-memory.dmp

Filesize
864KB

Download
memory/2192-50-0x0000000004DE0000-0x0000000004EB8000-memory.dmp

Filesize
864KB

Download
memory/2192-48-0x0000000004DE0000-0x0000000004EB8000-memory.dmp

Filesize
864KB

Download
memory/2192-46-0x0000000004DE0000-0x0000000004EB8000-memory.dmp

Filesize
864KB

Download
memory/2192-44-0x0000000004DE0000-0x0000000004EB8000-memory.dmp

Filesize
864KB

Download
memory/2192-42-0x0000000004DE0000-0x0000000004EB8000-memory.dmp

Filesize
864KB

Download
memory/2192-40-0x0000000004DE0000-0x0000000004EB8000-memory.dmp

Filesize
864KB

Download
memory/2192-36-0x0000000004DE0000-0x0000000004EB8000-memory.dmp

Filesize
864KB

Download
memory/2192-34-0x0000000004DE0000-0x0000000004EB8000-memory.dmp

Filesize
864KB

Download
memory/2192-32-0x0000000004DE0000-0x0000000004EB8000-memory.dmp

Filesize
864KB

Download
memory/2192-26-0x0000000004DE0000-0x0000000004EB8000-memory.dmp

Filesize
864KB

Download
memory/2192-24-0x0000000004DE0000-0x0000000004EB8000-memory.dmp

Filesize
864KB

Download
memory/2192-20-0x0000000004DE0000-0x0000000004EB8000-memory.dmp

Filesize
864KB

Download
memory/2192-16-0x0000000004DE0000-0x0000000004EB8000-memory.dmp

Filesize
864KB

Download
memory/2192-14-0x0000000004DE0000-0x0000000004EB8000-memory.dmp

Filesize
864KB

Download
memory/2192-22-0x0000000004DE0000-0x0000000004EB8000-memory.dmp

Filesize
864KB

Download
memory/2192-10-0x0000000004DE0000-0x0000000004EB8000-memory.dmp

Filesize
864KB

Download
memory/2192-8-0x0000000004DE0000-0x0000000004EB8000-memory.dmp

Filesize
864KB

Download
memory/2192-6-0x0000000004DE0000-0x0000000004EB8000-memory.dmp

Filesize
864KB

Download
memory/2192-5-0x0000000004DE0000-0x0000000004EB8000-memory.dmp

Filesize
864KB

Download
memory/2192-66-0x0000000004DE0000-0x0000000004EB8000-memory.dmp

Filesize
864KB

Download
memory/2192-64-0x0000000004DE0000-0x0000000004EB8000-memory.dmp

Filesize
864KB

Download
memory/2192-18-0x0000000004DE0000-0x0000000004EB8000-memory.dmp

Filesize
864KB

Download
memory/2192-60-0x0000000004DE0000-0x0000000004EB8000-memory.dmp

Filesize
864KB

Download
memory/2192-58-0x0000000004DE0000-0x0000000004EB8000-memory.dmp

Filesize
864KB

Download
memory/2192-56-0x0000000004DE0000-0x0000000004EB8000-memory.dmp

Filesize
864KB

Download
memory/2192-54-0x0000000004DE0000-0x0000000004EB8000-memory.dmp

Filesize
864KB

Download
memory/2192-1077-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/2192-1078-0x0000000004F30000-0x0000000004F88000-memory.dmp

Filesize
352KB

Download
memory/2192-1079-0x0000000004F90000-0x0000000004FDC000-memory.dmp

Filesize
304KB

Download
memory/2192-1083-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/2192-1084-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/2192-1085-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/2192-28-0x0000000004DE0000-0x0000000004EB8000-memory.dmp

Filesize
864KB

Download
memory/2192-30-0x0000000004DE0000-0x0000000004EB8000-memory.dmp

Filesize
864KB

Download
memory/2192-38-0x0000000004DE0000-0x0000000004EB8000-memory.dmp

Filesize
864KB

Download
memory/2192-4-0x0000000004DE0000-0x0000000004EBE000-memory.dmp

Filesize
888KB

Download
memory/2192-3-0x0000000004C10000-0x0000000004CEC000-memory.dmp

Filesize
880KB

Download
memory/2192-2-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/2192-1-0x0000000000220000-0x000000000030E000-memory.dmp

Filesize
952KB

Download
memory/2192-0-0x0000000074F0E000-0x0000000074F0F000-memory.dmp

Filesize
4KB

Download
memory/2192-1086-0x0000000074F0E000-0x0000000074F0F000-memory.dmp

Filesize
4KB

Download
memory/2192-1087-0x0000000005930000-0x0000000005ED4000-memory.dmp

Filesize
5.6MB

Download
memory/2192-1088-0x0000000005070000-0x00000000050C4000-memory.dmp

Filesize
336KB

Download
memory/2192-1096-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/5012-1094-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download