purelogs | 311a3b7def97fc40fd72447b9e581401e5dcb7ecb6fc75e160035c87746452fa

Analysis

max time kernel
120s
max time network
123s
platform
windows7_x64
resource
win7-20231020-en
resource tags

arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
submitted
03/12/2023, 04:15

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General

Target

64944a1f7d846006e04b6101d40a28b4.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 7 IoCs

resource	yara_rule
behavioral1/memory/2540-0-0x00000000010F0000-0x0000000001228000-memory.dmp	family_purelogs
behavioral1/files/0x002f0000000149b3-2208.dat	family_purelogs
behavioral1/files/0x002f0000000149b3-2210.dat	family_purelogs
behavioral1/files/0x002f0000000149b3-2211.dat	family_purelogs
behavioral1/memory/2376-2213-0x0000000000BC0000-0x0000000000CF8000-memory.dmp	family_purelogs
behavioral1/files/0x002f0000000149b3-2216.dat	family_purelogs
behavioral1/files/0x002f0000000149b3-2226.dat	family_purelogs

Detect ZGRat V1 29 IoCs

resource	yara_rule
behavioral1/memory/2848-18-0x000000001B110000-0x000000001B1F4000-memory.dmp	family_zgrat_v1
behavioral1/memory/2848-21-0x000000001B110000-0x000000001B1F0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2848-22-0x000000001B110000-0x000000001B1F0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2848-24-0x000000001B110000-0x000000001B1F0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2848-26-0x000000001B110000-0x000000001B1F0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2848-28-0x000000001B110000-0x000000001B1F0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2848-30-0x000000001B110000-0x000000001B1F0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2848-32-0x000000001B110000-0x000000001B1F0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2848-34-0x000000001B110000-0x000000001B1F0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2848-36-0x000000001B110000-0x000000001B1F0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2848-38-0x000000001B110000-0x000000001B1F0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2848-40-0x000000001B110000-0x000000001B1F0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2848-42-0x000000001B110000-0x000000001B1F0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2848-44-0x000000001B110000-0x000000001B1F0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2848-46-0x000000001B110000-0x000000001B1F0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2848-48-0x000000001B110000-0x000000001B1F0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2848-50-0x000000001B110000-0x000000001B1F0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2848-52-0x000000001B110000-0x000000001B1F0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2848-54-0x000000001B110000-0x000000001B1F0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2848-56-0x000000001B110000-0x000000001B1F0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2848-58-0x000000001B110000-0x000000001B1F0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2848-60-0x000000001B110000-0x000000001B1F0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2848-62-0x000000001B110000-0x000000001B1F0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2848-64-0x000000001B110000-0x000000001B1F0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2848-66-0x000000001B110000-0x000000001B1F0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2848-68-0x000000001B110000-0x000000001B1F0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2848-70-0x000000001B110000-0x000000001B1F0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2848-72-0x000000001B110000-0x000000001B1F0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2848-74-0x000000001B110000-0x000000001B1F0000-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
2376	Default.exe
2648	Default.exe

Loads dropped DLL 2 IoCs

pid	Process
736	taskeng.exe
2376	Default.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2540 set thread context of 2848	2540	64944a1f7d846006e04b6101d40a28b4.exe	29
PID 2376 set thread context of 2648	2376	Default.exe	34

Suspicious behavior: EnumeratesProcesses 21 IoCs

pid	Process
2648	Default.exe
2648	Default.exe
2648	Default.exe
2648	Default.exe
2648	Default.exe
2648	Default.exe
2648	Default.exe
2648	Default.exe
2648	Default.exe
2648	Default.exe
2648	Default.exe
2648	Default.exe
2648	Default.exe
2648	Default.exe
2648	Default.exe
2648	Default.exe
2648	Default.exe
2648	Default.exe
2648	Default.exe
2648	Default.exe
2648	Default.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2540	64944a1f7d846006e04b6101d40a28b4.exe
Token: SeDebugPrivilege	2848	64944a1f7d846006e04b6101d40a28b4.exe
Token: SeDebugPrivilege	2376	Default.exe
Token: SeDebugPrivilege	2648	Default.exe

Suspicious use of WriteProcessMemory 47 IoCs

description	pid	Process	procid_target
PID 2540 wrote to memory of 2848	2540	64944a1f7d846006e04b6101d40a28b4.exe	29
PID 2540 wrote to memory of 2848	2540	64944a1f7d846006e04b6101d40a28b4.exe	29
PID 2540 wrote to memory of 2848	2540	64944a1f7d846006e04b6101d40a28b4.exe	29
PID 2540 wrote to memory of 2848	2540	64944a1f7d846006e04b6101d40a28b4.exe	29
PID 2540 wrote to memory of 2848	2540	64944a1f7d846006e04b6101d40a28b4.exe	29
PID 2540 wrote to memory of 2848	2540	64944a1f7d846006e04b6101d40a28b4.exe	29
PID 2540 wrote to memory of 2848	2540	64944a1f7d846006e04b6101d40a28b4.exe	29
PID 736 wrote to memory of 2376	736	taskeng.exe	33
PID 736 wrote to memory of 2376	736	taskeng.exe	33
PID 736 wrote to memory of 2376	736	taskeng.exe	33
PID 2376 wrote to memory of 2648	2376	Default.exe	34
PID 2376 wrote to memory of 2648	2376	Default.exe	34
PID 2376 wrote to memory of 2648	2376	Default.exe	34
PID 2376 wrote to memory of 2648	2376	Default.exe	34
PID 2376 wrote to memory of 2648	2376	Default.exe	34
PID 2376 wrote to memory of 2648	2376	Default.exe	34
PID 2376 wrote to memory of 2648	2376	Default.exe	34
PID 2648 wrote to memory of 1816	2648	Default.exe	35
PID 2648 wrote to memory of 1816	2648	Default.exe	35
PID 2648 wrote to memory of 1816	2648	Default.exe	35
PID 2648 wrote to memory of 1508	2648	Default.exe	36
PID 2648 wrote to memory of 1508	2648	Default.exe	36
PID 2648 wrote to memory of 1508	2648	Default.exe	36
PID 2648 wrote to memory of 1660	2648	Default.exe	37
PID 2648 wrote to memory of 1660	2648	Default.exe	37
PID 2648 wrote to memory of 1660	2648	Default.exe	37
PID 2648 wrote to memory of 556	2648	Default.exe	38
PID 2648 wrote to memory of 556	2648	Default.exe	38
PID 2648 wrote to memory of 556	2648	Default.exe	38
PID 2648 wrote to memory of 1532	2648	Default.exe	39
PID 2648 wrote to memory of 1532	2648	Default.exe	39
PID 2648 wrote to memory of 1532	2648	Default.exe	39
PID 2648 wrote to memory of 3068	2648	Default.exe	40
PID 2648 wrote to memory of 3068	2648	Default.exe	40
PID 2648 wrote to memory of 3068	2648	Default.exe	40
PID 2648 wrote to memory of 3024	2648	Default.exe	41
PID 2648 wrote to memory of 3024	2648	Default.exe	41
PID 2648 wrote to memory of 3024	2648	Default.exe	41
PID 2648 wrote to memory of 1512	2648	Default.exe	42
PID 2648 wrote to memory of 1512	2648	Default.exe	42
PID 2648 wrote to memory of 1512	2648	Default.exe	42
PID 2648 wrote to memory of 2500	2648	Default.exe	43
PID 2648 wrote to memory of 2500	2648	Default.exe	43
PID 2648 wrote to memory of 2500	2648	Default.exe	43
PID 2648 wrote to memory of 1128	2648	Default.exe	44
PID 2648 wrote to memory of 1128	2648	Default.exe	44
PID 2648 wrote to memory of 1128	2648	Default.exe	44

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\64944a1f7d846006e04b6101d40a28b4.exe
"C:\Users\Admin\AppData\Local\Temp\64944a1f7d846006e04b6101d40a28b4.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2540
- C:\Users\Admin\AppData\Local\Temp\64944a1f7d846006e04b6101d40a28b4.exe
  C:\Users\Admin\AppData\Local\Temp\64944a1f7d846006e04b6101d40a28b4.exe
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2848

C:\Windows\system32\taskeng.exe
taskeng.exe {4AA96890-1EE8-4D65-B55A-8365DCAC9357} S-1-5-21-2084844033-2744876406-2053742436-1000:GGPVHMXR\Admin:Interactive:[1]
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:736
- C:\Users\Admin\AppData\Local\Exception\dqaql\Default.exe
  C:\Users\Admin\AppData\Local\Exception\dqaql\Default.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2376
- - C:\Users\Admin\AppData\Local\Exception\dqaql\Default.exe
    C:\Users\Admin\AppData\Local\Exception\dqaql\Default.exe
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2648
  - - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe
      C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe
      4⤵
      PID:1816
  - - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe
      C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe
      4⤵
      PID:1508
  - - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe
      C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe
      4⤵
      PID:1660
  - - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe
      C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe
      4⤵
      PID:556
  - - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe
      C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe
      4⤵
      PID:1532
  - - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe
      C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe
      4⤵
      PID:3068
  - - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe
      C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe
      4⤵
      PID:3024
  - - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe
      C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe
      4⤵
      PID:1512
  - - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe
      C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe
      4⤵
      PID:2500
  - - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe
      C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe
      4⤵
      PID:1128

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

Loading Replay Monitor...

Downloads

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

Filesize
1.2MB

MD5
64944a1f7d846006e04b6101d40a28b4

SHA1
139989bce70344cee6a009cbe197e43c263aa6a5

SHA256
311a3b7def97fc40fd72447b9e581401e5dcb7ecb6fc75e160035c87746452fa

SHA512
da01745a7bdefaaaa698d20b8c4c3f9a223dc49886d86560b42916f9b168249c54b6360ceebe18b5400f500247eafd8513c49cdc018995f7e770b3d775939dba

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

Filesize
1.2MB

MD5
64944a1f7d846006e04b6101d40a28b4

SHA1
139989bce70344cee6a009cbe197e43c263aa6a5

SHA256
311a3b7def97fc40fd72447b9e581401e5dcb7ecb6fc75e160035c87746452fa

SHA512
da01745a7bdefaaaa698d20b8c4c3f9a223dc49886d86560b42916f9b168249c54b6360ceebe18b5400f500247eafd8513c49cdc018995f7e770b3d775939dba

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

Filesize
1.2MB

MD5
64944a1f7d846006e04b6101d40a28b4

SHA1
139989bce70344cee6a009cbe197e43c263aa6a5

SHA256
311a3b7def97fc40fd72447b9e581401e5dcb7ecb6fc75e160035c87746452fa

SHA512
da01745a7bdefaaaa698d20b8c4c3f9a223dc49886d86560b42916f9b168249c54b6360ceebe18b5400f500247eafd8513c49cdc018995f7e770b3d775939dba

Download Submit
\Users\Admin\AppData\Local\Exception\dqaql\Default.exe

Filesize
1.2MB

MD5
64944a1f7d846006e04b6101d40a28b4

SHA1
139989bce70344cee6a009cbe197e43c263aa6a5

SHA256
311a3b7def97fc40fd72447b9e581401e5dcb7ecb6fc75e160035c87746452fa

SHA512
da01745a7bdefaaaa698d20b8c4c3f9a223dc49886d86560b42916f9b168249c54b6360ceebe18b5400f500247eafd8513c49cdc018995f7e770b3d775939dba

Download Submit
\Users\Admin\AppData\Local\Exception\dqaql\Default.exe

Filesize
1.2MB

MD5
64944a1f7d846006e04b6101d40a28b4

SHA1
139989bce70344cee6a009cbe197e43c263aa6a5

SHA256
311a3b7def97fc40fd72447b9e581401e5dcb7ecb6fc75e160035c87746452fa

SHA512
da01745a7bdefaaaa698d20b8c4c3f9a223dc49886d86560b42916f9b168249c54b6360ceebe18b5400f500247eafd8513c49cdc018995f7e770b3d775939dba

Download Submit
memory/2376-2212-0x000007FEF58A0000-0x000007FEF628C000-memory.dmp

Filesize
9.9MB

Download
memory/2376-2213-0x0000000000BC0000-0x0000000000CF8000-memory.dmp

Filesize
1.2MB

Download
memory/2376-2214-0x000000001AE80000-0x000000001AF00000-memory.dmp

Filesize
512KB

Download
memory/2376-2215-0x0000000002100000-0x00000000021E2000-memory.dmp

Filesize
904KB

Download
memory/2376-2229-0x000007FEF58A0000-0x000007FEF628C000-memory.dmp

Filesize
9.9MB

Download
memory/2540-6-0x000000001B0E0000-0x000000001B1A8000-memory.dmp

Filesize
800KB

Download
memory/2540-7-0x0000000000150000-0x000000000019C000-memory.dmp

Filesize
304KB

Download
memory/2540-16-0x000007FEF58A0000-0x000007FEF628C000-memory.dmp

Filesize
9.9MB

Download
memory/2540-5-0x0000000000D50000-0x0000000000E18000-memory.dmp

Filesize
800KB

Download
memory/2540-4-0x000000001B000000-0x000000001B0E0000-memory.dmp

Filesize
896KB

Download
memory/2540-3-0x000000001AB30000-0x000000001AC12000-memory.dmp

Filesize
904KB

Download
memory/2540-2-0x000000001B1B0000-0x000000001B230000-memory.dmp

Filesize
512KB

Download
memory/2540-1-0x000007FEF58A0000-0x000007FEF628C000-memory.dmp

Filesize
9.9MB

Download
memory/2540-0-0x00000000010F0000-0x0000000001228000-memory.dmp

Filesize
1.2MB

Download
memory/2648-4414-0x000007FEF58A0000-0x000007FEF628C000-memory.dmp

Filesize
9.9MB

Download
memory/2648-4413-0x000000001ADB0000-0x000000001AE30000-memory.dmp

Filesize
512KB

Download
memory/2648-2230-0x000007FEF58A0000-0x000007FEF628C000-memory.dmp

Filesize
9.9MB

Download
memory/2848-38-0x000000001B110000-0x000000001B1F0000-memory.dmp

Filesize
896KB

Download
memory/2848-60-0x000000001B110000-0x000000001B1F0000-memory.dmp

Filesize
896KB

Download
memory/2848-26-0x000000001B110000-0x000000001B1F0000-memory.dmp

Filesize
896KB

Download
memory/2848-28-0x000000001B110000-0x000000001B1F0000-memory.dmp

Filesize
896KB

Download
memory/2848-30-0x000000001B110000-0x000000001B1F0000-memory.dmp

Filesize
896KB

Download
memory/2848-32-0x000000001B110000-0x000000001B1F0000-memory.dmp

Filesize
896KB

Download
memory/2848-34-0x000000001B110000-0x000000001B1F0000-memory.dmp

Filesize
896KB

Download
memory/2848-36-0x000000001B110000-0x000000001B1F0000-memory.dmp

Filesize
896KB

Download
memory/2848-22-0x000000001B110000-0x000000001B1F0000-memory.dmp

Filesize
896KB

Download
memory/2848-40-0x000000001B110000-0x000000001B1F0000-memory.dmp

Filesize
896KB

Download
memory/2848-42-0x000000001B110000-0x000000001B1F0000-memory.dmp

Filesize
896KB

Download
memory/2848-44-0x000000001B110000-0x000000001B1F0000-memory.dmp

Filesize
896KB

Download
memory/2848-46-0x000000001B110000-0x000000001B1F0000-memory.dmp

Filesize
896KB

Download
memory/2848-48-0x000000001B110000-0x000000001B1F0000-memory.dmp

Filesize
896KB

Download
memory/2848-50-0x000000001B110000-0x000000001B1F0000-memory.dmp

Filesize
896KB

Download
memory/2848-52-0x000000001B110000-0x000000001B1F0000-memory.dmp

Filesize
896KB

Download
memory/2848-54-0x000000001B110000-0x000000001B1F0000-memory.dmp

Filesize
896KB

Download
memory/2848-56-0x000000001B110000-0x000000001B1F0000-memory.dmp

Filesize
896KB

Download
memory/2848-58-0x000000001B110000-0x000000001B1F0000-memory.dmp

Filesize
896KB

Download
memory/2848-24-0x000000001B110000-0x000000001B1F0000-memory.dmp

Filesize
896KB

Download
memory/2848-62-0x000000001B110000-0x000000001B1F0000-memory.dmp

Filesize
896KB

Download
memory/2848-64-0x000000001B110000-0x000000001B1F0000-memory.dmp

Filesize
896KB

Download
memory/2848-66-0x000000001B110000-0x000000001B1F0000-memory.dmp

Filesize
896KB

Download
memory/2848-68-0x000000001B110000-0x000000001B1F0000-memory.dmp

Filesize
896KB

Download
memory/2848-70-0x000000001B110000-0x000000001B1F0000-memory.dmp

Filesize
896KB

Download
memory/2848-72-0x000000001B110000-0x000000001B1F0000-memory.dmp

Filesize
896KB

Download
memory/2848-74-0x000000001B110000-0x000000001B1F0000-memory.dmp

Filesize
896KB

Download
memory/2848-21-0x000000001B110000-0x000000001B1F0000-memory.dmp

Filesize
896KB

Download
memory/2848-20-0x000000001B090000-0x000000001B110000-memory.dmp

Filesize
512KB

Download
memory/2848-19-0x000007FEF4EB0000-0x000007FEF589C000-memory.dmp

Filesize
9.9MB

Download
memory/2848-18-0x000000001B110000-0x000000001B1F4000-memory.dmp

Filesize
912KB

Download
memory/2848-14-0x0000000000400000-0x00000000004AA000-memory.dmp

Filesize
680KB

Download
memory/2848-13-0x000007FFFFFD7000-0x000007FFFFFD8000-memory.dmp

Filesize
4KB

Download
memory/2848-12-0x0000000000400000-0x00000000004AA000-memory.dmp

Filesize
680KB

Download
memory/2848-10-0x0000000000400000-0x00000000004AA000-memory.dmp

Filesize
680KB

Download
memory/2848-8-0x0000000000400000-0x00000000004AA000-memory.dmp

Filesize
680KB

Download
memory/2848-2203-0x0000000000140000-0x0000000000148000-memory.dmp

Filesize
32KB

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memory/2848-2204-0x00000000004B0000-0x0000000000506000-memory.dmp

Filesize
344KB

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memory/2848-2205-0x0000000000820000-0x0000000000874000-memory.dmp

Filesize
336KB

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memory/2848-2207-0x000007FEF4EB0000-0x000007FEF589C000-memory.dmp

Filesize
9.9MB

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