purelogs | 311a3b7def97fc40fd72447b9e581401e5dcb7ecb6fc75e160035c87746452fa

Analysis

max time kernel
143s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231130-en
resource tags

arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
submitted
04-12-2023 14:49

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General

Target

tmp.exe
Size

1.2MB
MD5

64944a1f7d846006e04b6101d40a28b4
SHA1

139989bce70344cee6a009cbe197e43c263aa6a5
SHA256

311a3b7def97fc40fd72447b9e581401e5dcb7ecb6fc75e160035c87746452fa
SHA512

da01745a7bdefaaaa698d20b8c4c3f9a223dc49886d86560b42916f9b168249c54b6360ceebe18b5400f500247eafd8513c49cdc018995f7e770b3d775939dba
SSDEEP

24576:yV4G6JWrIWNuFYRF4Bs2kpvjpqzeRVXJIcXStT:y4WrIWMietCvjtRVJCJ

Score

10^/10

purelogs zgrat rat stealer

Malware Config

Signatures

Detect PureLogs payload 4 IoCs

resource	yara_rule
behavioral2/memory/2680-0-0x00000131AFD30000-0x00000131AFE68000-memory.dmp	family_purelogs
behavioral2/files/0x000700000002320c-2202.dat	family_purelogs
behavioral2/files/0x000700000002320c-2203.dat	family_purelogs
behavioral2/files/0x000700000002320c-2207.dat	family_purelogs

Detect ZGRat V1 33 IoCs

resource	yara_rule
behavioral2/memory/4860-11-0x0000025C72720000-0x0000025C72804000-memory.dmp	family_zgrat_v1
behavioral2/memory/4860-15-0x0000025C72720000-0x0000025C72800000-memory.dmp	family_zgrat_v1
behavioral2/memory/4860-16-0x0000025C72720000-0x0000025C72800000-memory.dmp	family_zgrat_v1
behavioral2/memory/4860-18-0x0000025C72720000-0x0000025C72800000-memory.dmp	family_zgrat_v1
behavioral2/memory/4860-20-0x0000025C72720000-0x0000025C72800000-memory.dmp	family_zgrat_v1
behavioral2/memory/4860-22-0x0000025C72720000-0x0000025C72800000-memory.dmp	family_zgrat_v1
behavioral2/memory/4860-26-0x0000025C72720000-0x0000025C72800000-memory.dmp	family_zgrat_v1
behavioral2/memory/4860-24-0x0000025C72720000-0x0000025C72800000-memory.dmp	family_zgrat_v1
behavioral2/memory/4860-28-0x0000025C72720000-0x0000025C72800000-memory.dmp	family_zgrat_v1
behavioral2/memory/4860-30-0x0000025C72720000-0x0000025C72800000-memory.dmp	family_zgrat_v1
behavioral2/memory/4860-32-0x0000025C72720000-0x0000025C72800000-memory.dmp	family_zgrat_v1
behavioral2/memory/4860-34-0x0000025C72720000-0x0000025C72800000-memory.dmp	family_zgrat_v1
behavioral2/memory/4860-36-0x0000025C72720000-0x0000025C72800000-memory.dmp	family_zgrat_v1
behavioral2/memory/4860-38-0x0000025C72720000-0x0000025C72800000-memory.dmp	family_zgrat_v1
behavioral2/memory/4860-40-0x0000025C72720000-0x0000025C72800000-memory.dmp	family_zgrat_v1
behavioral2/memory/4860-42-0x0000025C72720000-0x0000025C72800000-memory.dmp	family_zgrat_v1
behavioral2/memory/4860-44-0x0000025C72720000-0x0000025C72800000-memory.dmp	family_zgrat_v1
behavioral2/memory/4860-46-0x0000025C72720000-0x0000025C72800000-memory.dmp	family_zgrat_v1
behavioral2/memory/4860-48-0x0000025C72720000-0x0000025C72800000-memory.dmp	family_zgrat_v1
behavioral2/memory/4860-50-0x0000025C72720000-0x0000025C72800000-memory.dmp	family_zgrat_v1
behavioral2/memory/4860-52-0x0000025C72720000-0x0000025C72800000-memory.dmp	family_zgrat_v1
behavioral2/memory/4860-54-0x0000025C72720000-0x0000025C72800000-memory.dmp	family_zgrat_v1
behavioral2/memory/4860-56-0x0000025C72720000-0x0000025C72800000-memory.dmp	family_zgrat_v1
behavioral2/memory/4860-58-0x0000025C72720000-0x0000025C72800000-memory.dmp	family_zgrat_v1
behavioral2/memory/4860-60-0x0000025C72720000-0x0000025C72800000-memory.dmp	family_zgrat_v1
behavioral2/memory/4860-62-0x0000025C72720000-0x0000025C72800000-memory.dmp	family_zgrat_v1
behavioral2/memory/4860-64-0x0000025C72720000-0x0000025C72800000-memory.dmp	family_zgrat_v1
behavioral2/memory/4860-66-0x0000025C72720000-0x0000025C72800000-memory.dmp	family_zgrat_v1
behavioral2/memory/4860-68-0x0000025C72720000-0x0000025C72800000-memory.dmp	family_zgrat_v1
behavioral2/memory/4860-70-0x0000025C72720000-0x0000025C72800000-memory.dmp	family_zgrat_v1
behavioral2/memory/4860-72-0x0000025C72720000-0x0000025C72800000-memory.dmp	family_zgrat_v1
behavioral2/memory/4860-76-0x0000025C72720000-0x0000025C72800000-memory.dmp	family_zgrat_v1
behavioral2/memory/4860-74-0x0000025C72720000-0x0000025C72800000-memory.dmp	family_zgrat_v1

PureLogs
PureLogs is an infostealer written in C#.
stealer purelogs
ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat

Executes dropped EXE 2 IoCs

pid	Process
3396	Default.exe
3984	Default.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2680 set thread context of 4860	2680	tmp.exe	87
PID 3396 set thread context of 3984	3396	Default.exe	91
PID 3984 set thread context of 3376	3984	Default.exe	92
PID 3376 set thread context of 2316	3376	InstallUtil.exe	93

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3984	Default.exe
3984	Default.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2680	tmp.exe
Token: SeDebugPrivilege	4860	tmp.exe
Token: SeDebugPrivilege	3396	Default.exe
Token: SeDebugPrivilege	3984	Default.exe
Token: SeDebugPrivilege	3376	InstallUtil.exe
Token: SeDebugPrivilege	2316	InstallUtil.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2680 wrote to memory of 4860	2680	tmp.exe	87
PID 2680 wrote to memory of 4860	2680	tmp.exe	87
PID 2680 wrote to memory of 4860	2680	tmp.exe	87
PID 2680 wrote to memory of 4860	2680	tmp.exe	87
PID 2680 wrote to memory of 4860	2680	tmp.exe	87
PID 2680 wrote to memory of 4860	2680	tmp.exe	87
PID 3396 wrote to memory of 3984	3396	Default.exe	91
PID 3396 wrote to memory of 3984	3396	Default.exe	91
PID 3396 wrote to memory of 3984	3396	Default.exe	91
PID 3396 wrote to memory of 3984	3396	Default.exe	91
PID 3396 wrote to memory of 3984	3396	Default.exe	91
PID 3396 wrote to memory of 3984	3396	Default.exe	91
PID 3984 wrote to memory of 3376	3984	Default.exe	92
PID 3984 wrote to memory of 3376	3984	Default.exe	92
PID 3984 wrote to memory of 3376	3984	Default.exe	92
PID 3984 wrote to memory of 3376	3984	Default.exe	92
PID 3984 wrote to memory of 3376	3984	Default.exe	92
PID 3984 wrote to memory of 3376	3984	Default.exe	92
PID 3376 wrote to memory of 2316	3376	InstallUtil.exe	93
PID 3376 wrote to memory of 2316	3376	InstallUtil.exe	93
PID 3376 wrote to memory of 2316	3376	InstallUtil.exe	93
PID 3376 wrote to memory of 2316	3376	InstallUtil.exe	93
PID 3376 wrote to memory of 2316	3376	InstallUtil.exe	93
PID 3376 wrote to memory of 2316	3376	InstallUtil.exe	93

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2680
- C:\Users\Admin\AppData\Local\Temp\tmp.exe
  C:\Users\Admin\AppData\Local\Temp\tmp.exe
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4860

C:\Users\Admin\AppData\Local\Exception\tixalkwim\Default.exe
C:\Users\Admin\AppData\Local\Exception\tixalkwim\Default.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3396
- C:\Users\Admin\AppData\Local\Exception\tixalkwim\Default.exe
  C:\Users\Admin\AppData\Local\Exception\tixalkwim\Default.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3984
- - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe
    C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:3376
  - - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe
      C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe
      4⤵
      Suspicious use of AdjustPrivilegeToken
      PID:2316

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Exception\tixalkwim\Default.exe

Filesize
1.2MB

MD5
64944a1f7d846006e04b6101d40a28b4

SHA1
139989bce70344cee6a009cbe197e43c263aa6a5

SHA256
311a3b7def97fc40fd72447b9e581401e5dcb7ecb6fc75e160035c87746452fa

SHA512
da01745a7bdefaaaa698d20b8c4c3f9a223dc49886d86560b42916f9b168249c54b6360ceebe18b5400f500247eafd8513c49cdc018995f7e770b3d775939dba

Download Submit
C:\Users\Admin\AppData\Local\Exception\tixalkwim\Default.exe

Filesize
1.2MB

MD5
64944a1f7d846006e04b6101d40a28b4

SHA1
139989bce70344cee6a009cbe197e43c263aa6a5

SHA256
311a3b7def97fc40fd72447b9e581401e5dcb7ecb6fc75e160035c87746452fa

SHA512
da01745a7bdefaaaa698d20b8c4c3f9a223dc49886d86560b42916f9b168249c54b6360ceebe18b5400f500247eafd8513c49cdc018995f7e770b3d775939dba

Download Submit
C:\Users\Admin\AppData\Local\Exception\tixalkwim\Default.exe

Filesize
1.2MB

MD5
64944a1f7d846006e04b6101d40a28b4

SHA1
139989bce70344cee6a009cbe197e43c263aa6a5

SHA256
311a3b7def97fc40fd72447b9e581401e5dcb7ecb6fc75e160035c87746452fa

SHA512
da01745a7bdefaaaa698d20b8c4c3f9a223dc49886d86560b42916f9b168249c54b6360ceebe18b5400f500247eafd8513c49cdc018995f7e770b3d775939dba

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\Default.exe.log

Filesize
1KB

MD5
84a01db52ea5a878520e162c80acfcd3

SHA1
49b7c5c072f6c32e54cc97c1dcbee90de0dd4738

SHA256
25ff806b9c85928aee814fa3aebbf45fa9735a7f594a6261f0779e89eb8c3bfe

SHA512
0516cbe6b9b7842be7f00ba3159a4df31257fc4e9db8ccb8f9f720801174f3d49327b7881c59ea12a4767c6d3e7c99a3b707c10279dfb39f12f9792134e6248e

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\InstallUtil.exe.log

Filesize
1KB

MD5
84a01db52ea5a878520e162c80acfcd3

SHA1
49b7c5c072f6c32e54cc97c1dcbee90de0dd4738

SHA256
25ff806b9c85928aee814fa3aebbf45fa9735a7f594a6261f0779e89eb8c3bfe

SHA512
0516cbe6b9b7842be7f00ba3159a4df31257fc4e9db8ccb8f9f720801174f3d49327b7881c59ea12a4767c6d3e7c99a3b707c10279dfb39f12f9792134e6248e

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\tmp.exe.log

Filesize
1KB

MD5
84a01db52ea5a878520e162c80acfcd3

SHA1
49b7c5c072f6c32e54cc97c1dcbee90de0dd4738

SHA256
25ff806b9c85928aee814fa3aebbf45fa9735a7f594a6261f0779e89eb8c3bfe

SHA512
0516cbe6b9b7842be7f00ba3159a4df31257fc4e9db8ccb8f9f720801174f3d49327b7881c59ea12a4767c6d3e7c99a3b707c10279dfb39f12f9792134e6248e

Download Submit
memory/2316-4403-0x00007FFE15810000-0x00007FFE162D1000-memory.dmp

Filesize
10.8MB

Download
memory/2316-6587-0x00007FFE15810000-0x00007FFE162D1000-memory.dmp

Filesize
10.8MB

Download
memory/2316-6588-0x00000224C9890000-0x00000224C98A0000-memory.dmp

Filesize
64KB

Download
memory/2680-7-0x00000131B1DA0000-0x00000131B1DEC000-memory.dmp

Filesize
304KB

Download
memory/2680-2-0x00000131B1B80000-0x00000131B1C62000-memory.dmp

Filesize
904KB

Download
memory/2680-6-0x00000131CA6C0000-0x00000131CA788000-memory.dmp

Filesize
800KB

Download
memory/2680-1-0x00007FFE15810000-0x00007FFE162D1000-memory.dmp

Filesize
10.8MB

Download
memory/2680-5-0x00000131CA4F0000-0x00000131CA5B8000-memory.dmp

Filesize
800KB

Download
memory/2680-4-0x00000131B1CC0000-0x00000131B1DA0000-memory.dmp

Filesize
896KB

Download
memory/2680-3-0x00000131B1B70000-0x00000131B1B80000-memory.dmp

Filesize
64KB

Download
memory/2680-12-0x00007FFE15810000-0x00007FFE162D1000-memory.dmp

Filesize
10.8MB

Download
memory/2680-0-0x00000131AFD30000-0x00000131AFE68000-memory.dmp

Filesize
1.2MB

Download
memory/3376-4397-0x00007FFE15810000-0x00007FFE162D1000-memory.dmp

Filesize
10.8MB

Download
memory/3376-4404-0x00007FFE15810000-0x00007FFE162D1000-memory.dmp

Filesize
10.8MB

Download
memory/3396-2209-0x00007FFE15810000-0x00007FFE162D1000-memory.dmp

Filesize
10.8MB

Download
memory/3396-2204-0x00007FFE15810000-0x00007FFE162D1000-memory.dmp

Filesize
10.8MB

Download
memory/3396-2205-0x0000020E518A0000-0x0000020E518B0000-memory.dmp

Filesize
64KB

Download
memory/3984-4396-0x0000028BF3520000-0x0000028BF3530000-memory.dmp

Filesize
64KB

Download
memory/3984-2212-0x0000028BF3520000-0x0000028BF3530000-memory.dmp

Filesize
64KB

Download
memory/3984-2211-0x00007FFE15810000-0x00007FFE162D1000-memory.dmp

Filesize
10.8MB

Download
memory/3984-4398-0x0000028BF3520000-0x0000028BF3530000-memory.dmp

Filesize
64KB

Download
memory/3984-4399-0x00007FFE15810000-0x00007FFE162D1000-memory.dmp

Filesize
10.8MB

Download
memory/4860-20-0x0000025C72720000-0x0000025C72800000-memory.dmp

Filesize
896KB

Download
memory/4860-2198-0x0000025C72970000-0x0000025C729C6000-memory.dmp

Filesize
344KB

Download
memory/4860-46-0x0000025C72720000-0x0000025C72800000-memory.dmp

Filesize
896KB

Download
memory/4860-48-0x0000025C72720000-0x0000025C72800000-memory.dmp

Filesize
896KB

Download
memory/4860-50-0x0000025C72720000-0x0000025C72800000-memory.dmp

Filesize
896KB

Download
memory/4860-52-0x0000025C72720000-0x0000025C72800000-memory.dmp

Filesize
896KB

Download
memory/4860-54-0x0000025C72720000-0x0000025C72800000-memory.dmp

Filesize
896KB

Download
memory/4860-56-0x0000025C72720000-0x0000025C72800000-memory.dmp

Filesize
896KB

Download
memory/4860-58-0x0000025C72720000-0x0000025C72800000-memory.dmp

Filesize
896KB

Download
memory/4860-60-0x0000025C72720000-0x0000025C72800000-memory.dmp

Filesize
896KB

Download
memory/4860-62-0x0000025C72720000-0x0000025C72800000-memory.dmp

Filesize
896KB

Download
memory/4860-64-0x0000025C72720000-0x0000025C72800000-memory.dmp

Filesize
896KB

Download
memory/4860-66-0x0000025C72720000-0x0000025C72800000-memory.dmp

Filesize
896KB

Download
memory/4860-68-0x0000025C72720000-0x0000025C72800000-memory.dmp

Filesize
896KB

Download
memory/4860-70-0x0000025C72720000-0x0000025C72800000-memory.dmp

Filesize
896KB

Download
memory/4860-72-0x0000025C72720000-0x0000025C72800000-memory.dmp

Filesize
896KB

Download
memory/4860-76-0x0000025C72720000-0x0000025C72800000-memory.dmp

Filesize
896KB

Download
memory/4860-74-0x0000025C72720000-0x0000025C72800000-memory.dmp

Filesize
896KB

Download
memory/4860-2197-0x0000025C71F00000-0x0000025C71F08000-memory.dmp

Filesize
32KB

Download
memory/4860-44-0x0000025C72720000-0x0000025C72800000-memory.dmp

Filesize
896KB

Download
memory/4860-2199-0x0000025C72D50000-0x0000025C72DA4000-memory.dmp

Filesize
336KB

Download
memory/4860-2201-0x00007FFE15810000-0x00007FFE162D1000-memory.dmp

Filesize
10.8MB

Download
memory/4860-42-0x0000025C72720000-0x0000025C72800000-memory.dmp

Filesize
896KB

Download
memory/4860-40-0x0000025C72720000-0x0000025C72800000-memory.dmp

Filesize
896KB

Download
memory/4860-38-0x0000025C72720000-0x0000025C72800000-memory.dmp

Filesize
896KB

Download
memory/4860-36-0x0000025C72720000-0x0000025C72800000-memory.dmp

Filesize
896KB

Download
memory/4860-34-0x0000025C72720000-0x0000025C72800000-memory.dmp

Filesize
896KB

Download
memory/4860-32-0x0000025C72720000-0x0000025C72800000-memory.dmp

Filesize
896KB

Download
memory/4860-30-0x0000025C72720000-0x0000025C72800000-memory.dmp

Filesize
896KB

Download
memory/4860-28-0x0000025C72720000-0x0000025C72800000-memory.dmp

Filesize
896KB

Download
memory/4860-24-0x0000025C72720000-0x0000025C72800000-memory.dmp

Filesize
896KB

Download
memory/4860-26-0x0000025C72720000-0x0000025C72800000-memory.dmp

Filesize
896KB

Download
memory/4860-22-0x0000025C72720000-0x0000025C72800000-memory.dmp

Filesize
896KB

Download
memory/4860-18-0x0000025C72720000-0x0000025C72800000-memory.dmp

Filesize
896KB

Download
memory/4860-16-0x0000025C72720000-0x0000025C72800000-memory.dmp

Filesize
896KB

Download
memory/4860-15-0x0000025C72720000-0x0000025C72800000-memory.dmp

Filesize
896KB

Download
memory/4860-11-0x0000025C72720000-0x0000025C72804000-memory.dmp

Filesize
912KB

Download
memory/4860-14-0x0000025C71F10000-0x0000025C71F20000-memory.dmp

Filesize
64KB

Download
memory/4860-13-0x00007FFE15810000-0x00007FFE162D1000-memory.dmp

Filesize
10.8MB

Download
memory/4860-8-0x0000000000400000-0x00000000004AA000-memory.dmp

Filesize
680KB

Download