purelogs | 3a646773608d252c2b742a0f4f74c061d4d282a090c1d39c973cbfe386f3b478

Analysis

max time kernel
144s
max time network
144s
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 07:50

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General

Target

tmp.exe
Size

1018KB
MD5

eb71493b8c138d52c8baea7adaae0a22
SHA1

2ada7d8d3975bae525945b18275f6e7779fbab79
SHA256

3a646773608d252c2b742a0f4f74c061d4d282a090c1d39c973cbfe386f3b478
SHA512

d16b619badc3ebdf2961330bd4fdb6ccf63c16cbec3d8923f701aae82df66d935ff75ca74ecbae2edf6218f4363619bbb2be39a69f5072f589a2e6c16cea3b9c
SSDEEP

24576:b6dl6aVCGlaKNmzxXg6ipHKdyBnnjNd88L:uCa8GUKNmzxQGEd8I

Score

10^/10

purelogs zgrat persistence rat stealer

Malware Config

Signatures

Detect PureLogs payload 1 IoCs

resource	yara_rule
behavioral2/memory/3912-0-0x0000000000470000-0x0000000000574000-memory.dmp	family_purelogs

Detect ZGRat V1 33 IoCs

resource	yara_rule
behavioral2/memory/1504-14-0x00000000050B0000-0x0000000005184000-memory.dmp	family_zgrat_v1
behavioral2/memory/1504-17-0x00000000050B0000-0x000000000517E000-memory.dmp	family_zgrat_v1
behavioral2/memory/1504-18-0x00000000050B0000-0x000000000517E000-memory.dmp	family_zgrat_v1
behavioral2/memory/1504-20-0x00000000050B0000-0x000000000517E000-memory.dmp	family_zgrat_v1
behavioral2/memory/1504-22-0x00000000050B0000-0x000000000517E000-memory.dmp	family_zgrat_v1
behavioral2/memory/1504-24-0x00000000050B0000-0x000000000517E000-memory.dmp	family_zgrat_v1
behavioral2/memory/1504-26-0x00000000050B0000-0x000000000517E000-memory.dmp	family_zgrat_v1
behavioral2/memory/1504-28-0x00000000050B0000-0x000000000517E000-memory.dmp	family_zgrat_v1
behavioral2/memory/1504-30-0x00000000050B0000-0x000000000517E000-memory.dmp	family_zgrat_v1
behavioral2/memory/1504-32-0x00000000050B0000-0x000000000517E000-memory.dmp	family_zgrat_v1
behavioral2/memory/1504-34-0x00000000050B0000-0x000000000517E000-memory.dmp	family_zgrat_v1
behavioral2/memory/1504-36-0x00000000050B0000-0x000000000517E000-memory.dmp	family_zgrat_v1
behavioral2/memory/1504-38-0x00000000050B0000-0x000000000517E000-memory.dmp	family_zgrat_v1
behavioral2/memory/1504-40-0x00000000050B0000-0x000000000517E000-memory.dmp	family_zgrat_v1
behavioral2/memory/1504-42-0x00000000050B0000-0x000000000517E000-memory.dmp	family_zgrat_v1
behavioral2/memory/1504-44-0x00000000050B0000-0x000000000517E000-memory.dmp	family_zgrat_v1
behavioral2/memory/1504-46-0x00000000050B0000-0x000000000517E000-memory.dmp	family_zgrat_v1
behavioral2/memory/1504-48-0x00000000050B0000-0x000000000517E000-memory.dmp	family_zgrat_v1
behavioral2/memory/1504-50-0x00000000050B0000-0x000000000517E000-memory.dmp	family_zgrat_v1
behavioral2/memory/1504-52-0x00000000050B0000-0x000000000517E000-memory.dmp	family_zgrat_v1
behavioral2/memory/1504-54-0x00000000050B0000-0x000000000517E000-memory.dmp	family_zgrat_v1
behavioral2/memory/1504-56-0x00000000050B0000-0x000000000517E000-memory.dmp	family_zgrat_v1
behavioral2/memory/1504-58-0x00000000050B0000-0x000000000517E000-memory.dmp	family_zgrat_v1
behavioral2/memory/1504-62-0x00000000050B0000-0x000000000517E000-memory.dmp	family_zgrat_v1
behavioral2/memory/1504-70-0x00000000050B0000-0x000000000517E000-memory.dmp	family_zgrat_v1
behavioral2/memory/1504-74-0x00000000050B0000-0x000000000517E000-memory.dmp	family_zgrat_v1
behavioral2/memory/1504-72-0x00000000050B0000-0x000000000517E000-memory.dmp	family_zgrat_v1
behavioral2/memory/1504-68-0x00000000050B0000-0x000000000517E000-memory.dmp	family_zgrat_v1
behavioral2/memory/1504-66-0x00000000050B0000-0x000000000517E000-memory.dmp	family_zgrat_v1
behavioral2/memory/1504-64-0x00000000050B0000-0x000000000517E000-memory.dmp	family_zgrat_v1
behavioral2/memory/1504-60-0x00000000050B0000-0x000000000517E000-memory.dmp	family_zgrat_v1
behavioral2/memory/1504-76-0x00000000050B0000-0x000000000517E000-memory.dmp	family_zgrat_v1
behavioral2/memory/1504-78-0x00000000050B0000-0x000000000517E000-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

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-1-5-21-3936660601-1848837011-2142350499-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Danwks = "C:\\Users\\Admin\\AppData\\Roaming\\Danwks.exe"	tmp.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3912 set thread context of 1504	3912	tmp.exe	92

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3912	tmp.exe
3912	tmp.exe
3912	tmp.exe
3912	tmp.exe
3912	tmp.exe
3912	tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3912	tmp.exe
Token: SeDebugPrivilege	1504	tmp.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 3912 wrote to memory of 4612	3912	tmp.exe	91
PID 3912 wrote to memory of 4612	3912	tmp.exe	91
PID 3912 wrote to memory of 4612	3912	tmp.exe	91
PID 3912 wrote to memory of 4360	3912	tmp.exe	94
PID 3912 wrote to memory of 4360	3912	tmp.exe	94
PID 3912 wrote to memory of 4360	3912	tmp.exe	94
PID 3912 wrote to memory of 4596	3912	tmp.exe	93
PID 3912 wrote to memory of 4596	3912	tmp.exe	93
PID 3912 wrote to memory of 4596	3912	tmp.exe	93
PID 3912 wrote to memory of 1504	3912	tmp.exe	92
PID 3912 wrote to memory of 1504	3912	tmp.exe	92
PID 3912 wrote to memory of 1504	3912	tmp.exe	92
PID 3912 wrote to memory of 1504	3912	tmp.exe	92
PID 3912 wrote to memory of 1504	3912	tmp.exe	92
PID 3912 wrote to memory of 1504	3912	tmp.exe	92
PID 3912 wrote to memory of 1504	3912	tmp.exe	92
PID 3912 wrote to memory of 1504	3912	tmp.exe	92

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3912
- C:\Users\Admin\AppData\Local\Temp\tmp.exe
  C:\Users\Admin\AppData\Local\Temp\tmp.exe
  2⤵
  PID:4612
- C:\Users\Admin\AppData\Local\Temp\tmp.exe
  C:\Users\Admin\AppData\Local\Temp\tmp.exe
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1504
- C:\Users\Admin\AppData\Local\Temp\tmp.exe
  C:\Users\Admin\AppData\Local\Temp\tmp.exe
  2⤵
  PID:4596
- C:\Users\Admin\AppData\Local\Temp\tmp.exe
  C:\Users\Admin\AppData\Local\Temp\tmp.exe
  2⤵
  PID:4360

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
927B

MD5
4a911455784f74e368a4c2c7876d76f4

SHA1
a1700a0849ffb4f26671eb76da2489946b821c34

SHA256
264098e15b5b33d425f3b76e45b7976b58f917048125041135f7e60d8151108c

SHA512
4617591400409e1930195795a55e20d5f063042bb3e9fd1955099066e507b6ac8a1e3ae54cc42418e2639149b31bf7e58cd5743670d9030a15e29f14d813815d

Download Submit
memory/1504-42-0x00000000050B0000-0x000000000517E000-memory.dmp

Filesize
824KB

Download
memory/1504-66-0x00000000050B0000-0x000000000517E000-memory.dmp

Filesize
824KB

Download
memory/1504-16-0x00000000050A0000-0x00000000050B0000-memory.dmp

Filesize
64KB

Download
memory/1504-14-0x00000000050B0000-0x0000000005184000-memory.dmp

Filesize
848KB

Download
memory/1504-6073-0x00000000050A0000-0x00000000050B0000-memory.dmp

Filesize
64KB

Download
memory/1504-6072-0x0000000074A90000-0x0000000075240000-memory.dmp

Filesize
7.7MB

Download
memory/1504-46-0x00000000050B0000-0x000000000517E000-memory.dmp

Filesize
824KB

Download
memory/1504-6071-0x00000000051F0000-0x0000000005256000-memory.dmp

Filesize
408KB

Download
memory/1504-78-0x00000000050B0000-0x000000000517E000-memory.dmp

Filesize
824KB

Download
memory/1504-76-0x00000000050B0000-0x000000000517E000-memory.dmp

Filesize
824KB

Download
memory/1504-17-0x00000000050B0000-0x000000000517E000-memory.dmp

Filesize
824KB

Download
memory/1504-48-0x00000000050B0000-0x000000000517E000-memory.dmp

Filesize
824KB

Download
memory/1504-20-0x00000000050B0000-0x000000000517E000-memory.dmp

Filesize
824KB

Download
memory/1504-22-0x00000000050B0000-0x000000000517E000-memory.dmp

Filesize
824KB

Download
memory/1504-24-0x00000000050B0000-0x000000000517E000-memory.dmp

Filesize
824KB

Download
memory/1504-26-0x00000000050B0000-0x000000000517E000-memory.dmp

Filesize
824KB

Download
memory/1504-28-0x00000000050B0000-0x000000000517E000-memory.dmp

Filesize
824KB

Download
memory/1504-30-0x00000000050B0000-0x000000000517E000-memory.dmp

Filesize
824KB

Download
memory/1504-32-0x00000000050B0000-0x000000000517E000-memory.dmp

Filesize
824KB

Download
memory/1504-34-0x00000000050B0000-0x000000000517E000-memory.dmp

Filesize
824KB

Download
memory/1504-44-0x00000000050B0000-0x000000000517E000-memory.dmp

Filesize
824KB

Download
memory/1504-38-0x00000000050B0000-0x000000000517E000-memory.dmp

Filesize
824KB

Download
memory/1504-40-0x00000000050B0000-0x000000000517E000-memory.dmp

Filesize
824KB

Download
memory/1504-10-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/1504-36-0x00000000050B0000-0x000000000517E000-memory.dmp

Filesize
824KB

Download
memory/1504-60-0x00000000050B0000-0x000000000517E000-memory.dmp

Filesize
824KB

Download
memory/1504-18-0x00000000050B0000-0x000000000517E000-memory.dmp

Filesize
824KB

Download
memory/1504-50-0x00000000050B0000-0x000000000517E000-memory.dmp

Filesize
824KB

Download
memory/1504-52-0x00000000050B0000-0x000000000517E000-memory.dmp

Filesize
824KB

Download
memory/1504-54-0x00000000050B0000-0x000000000517E000-memory.dmp

Filesize
824KB

Download
memory/1504-56-0x00000000050B0000-0x000000000517E000-memory.dmp

Filesize
824KB

Download
memory/1504-58-0x00000000050B0000-0x000000000517E000-memory.dmp

Filesize
824KB

Download
memory/1504-62-0x00000000050B0000-0x000000000517E000-memory.dmp

Filesize
824KB

Download
memory/1504-70-0x00000000050B0000-0x000000000517E000-memory.dmp

Filesize
824KB

Download
memory/1504-74-0x00000000050B0000-0x000000000517E000-memory.dmp

Filesize
824KB

Download
memory/1504-72-0x00000000050B0000-0x000000000517E000-memory.dmp

Filesize
824KB

Download
memory/1504-68-0x00000000050B0000-0x000000000517E000-memory.dmp

Filesize
824KB

Download
memory/1504-15-0x0000000074A90000-0x0000000075240000-memory.dmp

Filesize
7.7MB

Download
memory/1504-64-0x00000000050B0000-0x000000000517E000-memory.dmp

Filesize
824KB

Download
memory/3912-2-0x0000000004F70000-0x0000000004F80000-memory.dmp

Filesize
64KB

Download
memory/3912-5-0x00000000050E0000-0x0000000005174000-memory.dmp

Filesize
592KB

Download
memory/3912-4-0x0000000005030000-0x00000000050DC000-memory.dmp

Filesize
688KB

Download
memory/3912-3-0x0000000004F80000-0x000000000502C000-memory.dmp

Filesize
688KB

Download
memory/3912-1-0x0000000074A90000-0x0000000075240000-memory.dmp

Filesize
7.7MB

Download
memory/3912-0-0x0000000000470000-0x0000000000574000-memory.dmp

Filesize
1.0MB

Download
memory/3912-6-0x0000000005170000-0x0000000005202000-memory.dmp

Filesize
584KB

Download
memory/3912-7-0x0000000004F10000-0x0000000004F5C000-memory.dmp

Filesize
304KB

Download
memory/3912-8-0x00000000057F0000-0x0000000005D94000-memory.dmp

Filesize
5.6MB

Download
memory/3912-13-0x0000000074A90000-0x0000000075240000-memory.dmp

Filesize
7.7MB

Download