purelogs | b51a27a89709598d5a20b537d861c3e5e818ff72dbaed5426062ddaa1c266eb9

Analysis

max time kernel
19s
max time network
153s
platform
windows7_x64
resource
win7-20231020-en
resource tags

arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
submitted
04-12-2023 19:17

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

tmp.exe
Size

6.0MB
MD5

f97a48d0cfab988ccaf60bcd62963c9d
SHA1

a36f7164ebf8df8a4a71aa6d026a2d94f1e8fdac
SHA256

b51a27a89709598d5a20b537d861c3e5e818ff72dbaed5426062ddaa1c266eb9
SHA512

f70222efcb041345e9af496cf3b866737ed787c111cbdb3474973b5c7c9652db6c55093fd5c7bcf600512196fa29e08cefe185469fa4b189db237cead325b4e8
SSDEEP

98304:BaJUJzze8IZfkx9KWqBDeRTsnBF75riKIJWsHGRoy6Qn3g64UFkcSJNsPGw7Wb/7:2U1GZfe7RTsBF75OKjs+oPTpUC+Gwqbj

Score

10^/10

purelogs zgrat persistence rat stealer

Malware Config

Signatures

Detect PureLogs payload 1 IoCs

resource	yara_rule
behavioral1/memory/1504-0-0x0000000001220000-0x0000000001324000-memory.dmp	family_purelogs

Detect ZGRat V1 28 IoCs

resource	yara_rule
behavioral1/memory/1928-22-0x0000000000470000-0x0000000000544000-memory.dmp	family_zgrat_v1
behavioral1/memory/1928-24-0x0000000000470000-0x000000000053E000-memory.dmp	family_zgrat_v1
behavioral1/memory/1928-31-0x0000000000470000-0x000000000053E000-memory.dmp	family_zgrat_v1
behavioral1/memory/1928-39-0x0000000000470000-0x000000000053E000-memory.dmp	family_zgrat_v1
behavioral1/memory/1928-47-0x0000000000470000-0x000000000053E000-memory.dmp	family_zgrat_v1
behavioral1/memory/1928-45-0x0000000000470000-0x000000000053E000-memory.dmp	family_zgrat_v1
behavioral1/memory/1928-43-0x0000000000470000-0x000000000053E000-memory.dmp	family_zgrat_v1
behavioral1/memory/1928-49-0x0000000000470000-0x000000000053E000-memory.dmp	family_zgrat_v1
behavioral1/memory/1928-51-0x0000000000470000-0x000000000053E000-memory.dmp	family_zgrat_v1
behavioral1/memory/1928-53-0x0000000000470000-0x000000000053E000-memory.dmp	family_zgrat_v1
behavioral1/memory/1928-55-0x0000000000470000-0x000000000053E000-memory.dmp	family_zgrat_v1
behavioral1/memory/1928-61-0x0000000000470000-0x000000000053E000-memory.dmp	family_zgrat_v1
behavioral1/memory/1928-65-0x0000000000470000-0x000000000053E000-memory.dmp	family_zgrat_v1
behavioral1/memory/1928-63-0x0000000000470000-0x000000000053E000-memory.dmp	family_zgrat_v1
behavioral1/memory/1928-67-0x0000000000470000-0x000000000053E000-memory.dmp	family_zgrat_v1
behavioral1/memory/1928-59-0x0000000000470000-0x000000000053E000-memory.dmp	family_zgrat_v1
behavioral1/memory/1928-71-0x0000000000470000-0x000000000053E000-memory.dmp	family_zgrat_v1
behavioral1/memory/1928-75-0x0000000000470000-0x000000000053E000-memory.dmp	family_zgrat_v1
behavioral1/memory/1928-73-0x0000000000470000-0x000000000053E000-memory.dmp	family_zgrat_v1
behavioral1/memory/1928-69-0x0000000000470000-0x000000000053E000-memory.dmp	family_zgrat_v1
behavioral1/memory/1928-57-0x0000000000470000-0x000000000053E000-memory.dmp	family_zgrat_v1
behavioral1/memory/1928-41-0x0000000000470000-0x000000000053E000-memory.dmp	family_zgrat_v1
behavioral1/memory/1928-37-0x0000000000470000-0x000000000053E000-memory.dmp	family_zgrat_v1
behavioral1/memory/1928-35-0x0000000000470000-0x000000000053E000-memory.dmp	family_zgrat_v1
behavioral1/memory/1928-33-0x0000000000470000-0x000000000053E000-memory.dmp	family_zgrat_v1
behavioral1/memory/1928-29-0x0000000000470000-0x000000000053E000-memory.dmp	family_zgrat_v1
behavioral1/memory/1928-27-0x0000000000470000-0x000000000053E000-memory.dmp	family_zgrat_v1
behavioral1/memory/1928-25-0x0000000000470000-0x000000000053E000-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-1-5-21-1154728922-3261336865-3456416385-1000\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 1504 set thread context of 1928	1504	tmp.exe	30

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1504	tmp.exe
1504	tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1504	tmp.exe
Token: SeDebugPrivilege	1928	tmp.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1504 wrote to memory of 1680	1504	tmp.exe	28
PID 1504 wrote to memory of 1680	1504	tmp.exe	28
PID 1504 wrote to memory of 1680	1504	tmp.exe	28
PID 1504 wrote to memory of 1680	1504	tmp.exe	28
PID 1504 wrote to memory of 1388	1504	tmp.exe	29
PID 1504 wrote to memory of 1388	1504	tmp.exe	29
PID 1504 wrote to memory of 1388	1504	tmp.exe	29
PID 1504 wrote to memory of 1388	1504	tmp.exe	29
PID 1504 wrote to memory of 1928	1504	tmp.exe	30
PID 1504 wrote to memory of 1928	1504	tmp.exe	30
PID 1504 wrote to memory of 1928	1504	tmp.exe	30
PID 1504 wrote to memory of 1928	1504	tmp.exe	30
PID 1504 wrote to memory of 1928	1504	tmp.exe	30
PID 1504 wrote to memory of 1928	1504	tmp.exe	30
PID 1504 wrote to memory of 1928	1504	tmp.exe	30
PID 1504 wrote to memory of 1928	1504	tmp.exe	30
PID 1504 wrote to memory of 1928	1504	tmp.exe	30

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:1504
- C:\Users\Admin\AppData\Local\Temp\tmp.exe
  C:\Users\Admin\AppData\Local\Temp\tmp.exe
  2⤵
  PID:1680
- C:\Users\Admin\AppData\Local\Temp\tmp.exe
  C:\Users\Admin\AppData\Local\Temp\tmp.exe
  2⤵
  PID:1388
- C:\Users\Admin\AppData\Local\Temp\tmp.exe
  C:\Users\Admin\AppData\Local\Temp\tmp.exe
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1928

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

Loading Replay Monitor...

Downloads

memory/1504-17-0x00000000742E0000-0x00000000749CE000-memory.dmp

Filesize
6.9MB

Download
memory/1504-1-0x00000000742E0000-0x00000000749CE000-memory.dmp

Filesize
6.9MB

Download
memory/1504-2-0x00000000047F0000-0x0000000004830000-memory.dmp

Filesize
256KB

Download
memory/1504-3-0x0000000004730000-0x00000000047DC000-memory.dmp

Filesize
688KB

Download
memory/1504-4-0x0000000004C10000-0x0000000004CBC000-memory.dmp

Filesize
688KB

Download
memory/1504-5-0x0000000004CC0000-0x0000000004D54000-memory.dmp

Filesize
592KB

Download
memory/1504-6-0x0000000004D50000-0x0000000004DE2000-memory.dmp

Filesize
584KB

Download
memory/1504-7-0x0000000000910000-0x000000000095C000-memory.dmp

Filesize
304KB

Download
memory/1504-0-0x0000000001220000-0x0000000001324000-memory.dmp

Filesize
1.0MB

Download
memory/1928-45-0x0000000000470000-0x000000000053E000-memory.dmp

Filesize
824KB

Download
memory/1928-53-0x0000000000470000-0x000000000053E000-memory.dmp

Filesize
824KB

Download
memory/1928-10-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/1928-18-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/1928-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1928-12-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/1928-20-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/1928-11-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/1928-23-0x0000000001160000-0x00000000011A0000-memory.dmp

Filesize
256KB

Download
memory/1928-22-0x0000000000470000-0x0000000000544000-memory.dmp

Filesize
848KB

Download
memory/1928-21-0x0000000074260000-0x000000007494E000-memory.dmp

Filesize
6.9MB

Download
memory/1928-24-0x0000000000470000-0x000000000053E000-memory.dmp

Filesize
824KB

Download
memory/1928-31-0x0000000000470000-0x000000000053E000-memory.dmp

Filesize
824KB

Download
memory/1928-39-0x0000000000470000-0x000000000053E000-memory.dmp

Filesize
824KB

Download
memory/1928-47-0x0000000000470000-0x000000000053E000-memory.dmp

Filesize
824KB

Download
memory/1928-9-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/1928-43-0x0000000000470000-0x000000000053E000-memory.dmp

Filesize
824KB

Download
memory/1928-49-0x0000000000470000-0x000000000053E000-memory.dmp

Filesize
824KB

Download
memory/1928-51-0x0000000000470000-0x000000000053E000-memory.dmp

Filesize
824KB

Download
memory/1928-15-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/1928-55-0x0000000000470000-0x000000000053E000-memory.dmp

Filesize
824KB

Download
memory/1928-61-0x0000000000470000-0x000000000053E000-memory.dmp

Filesize
824KB

Download
memory/1928-65-0x0000000000470000-0x000000000053E000-memory.dmp

Filesize
824KB

Download
memory/1928-63-0x0000000000470000-0x000000000053E000-memory.dmp

Filesize
824KB

Download
memory/1928-67-0x0000000000470000-0x000000000053E000-memory.dmp

Filesize
824KB

Download
memory/1928-59-0x0000000000470000-0x000000000053E000-memory.dmp

Filesize
824KB

Download
memory/1928-71-0x0000000000470000-0x000000000053E000-memory.dmp

Filesize
824KB

Download
memory/1928-75-0x0000000000470000-0x000000000053E000-memory.dmp

Filesize
824KB

Download
memory/1928-73-0x0000000000470000-0x000000000053E000-memory.dmp

Filesize
824KB

Download
memory/1928-69-0x0000000000470000-0x000000000053E000-memory.dmp

Filesize
824KB

Download
memory/1928-57-0x0000000000470000-0x000000000053E000-memory.dmp

Filesize
824KB

Download
memory/1928-41-0x0000000000470000-0x000000000053E000-memory.dmp

Filesize
824KB

Download
memory/1928-37-0x0000000000470000-0x000000000053E000-memory.dmp

Filesize
824KB

Download
memory/1928-35-0x0000000000470000-0x000000000053E000-memory.dmp

Filesize
824KB

Download
memory/1928-33-0x0000000000470000-0x000000000053E000-memory.dmp

Filesize
824KB

Download
memory/1928-29-0x0000000000470000-0x000000000053E000-memory.dmp

Filesize
824KB

Download
memory/1928-27-0x0000000000470000-0x000000000053E000-memory.dmp

Filesize
824KB

Download
memory/1928-25-0x0000000000470000-0x000000000053E000-memory.dmp

Filesize
824KB

Download
memory/1928-3871-0x0000000074260000-0x000000007494E000-memory.dmp

Filesize
6.9MB

Download
memory/1928-4865-0x0000000001160000-0x00000000011A0000-memory.dmp

Filesize
256KB

Download