purelogs | b51a27a89709598d5a20b537d861c3e5e818ff72dbaed5426062ddaa1c266eb9

Analysis

max time kernel
34s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20231127-en
resource tags

arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
submitted
04-12-2023 19:16

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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
behavioral2/memory/3508-0-0x0000000000FF0000-0x00000000010F4000-memory.dmp	family_purelogs

Detect ZGRat V1 33 IoCs

resource	yara_rule
behavioral2/memory/116-13-0x0000000005300000-0x00000000053D4000-memory.dmp	family_zgrat_v1
behavioral2/memory/116-17-0x0000000005300000-0x00000000053CE000-memory.dmp	family_zgrat_v1
behavioral2/memory/116-18-0x0000000005300000-0x00000000053CE000-memory.dmp	family_zgrat_v1
behavioral2/memory/116-20-0x0000000005300000-0x00000000053CE000-memory.dmp	family_zgrat_v1
behavioral2/memory/116-22-0x0000000005300000-0x00000000053CE000-memory.dmp	family_zgrat_v1
behavioral2/memory/116-28-0x0000000005300000-0x00000000053CE000-memory.dmp	family_zgrat_v1
behavioral2/memory/116-30-0x0000000005300000-0x00000000053CE000-memory.dmp	family_zgrat_v1
behavioral2/memory/116-26-0x0000000005300000-0x00000000053CE000-memory.dmp	family_zgrat_v1
behavioral2/memory/116-24-0x0000000005300000-0x00000000053CE000-memory.dmp	family_zgrat_v1
behavioral2/memory/116-32-0x0000000005300000-0x00000000053CE000-memory.dmp	family_zgrat_v1
behavioral2/memory/116-36-0x0000000005300000-0x00000000053CE000-memory.dmp	family_zgrat_v1
behavioral2/memory/116-40-0x0000000005300000-0x00000000053CE000-memory.dmp	family_zgrat_v1
behavioral2/memory/116-38-0x0000000005300000-0x00000000053CE000-memory.dmp	family_zgrat_v1
behavioral2/memory/116-34-0x0000000005300000-0x00000000053CE000-memory.dmp	family_zgrat_v1
behavioral2/memory/116-42-0x0000000005300000-0x00000000053CE000-memory.dmp	family_zgrat_v1
behavioral2/memory/116-44-0x0000000005300000-0x00000000053CE000-memory.dmp	family_zgrat_v1
behavioral2/memory/116-48-0x0000000005300000-0x00000000053CE000-memory.dmp	family_zgrat_v1
behavioral2/memory/116-46-0x0000000005300000-0x00000000053CE000-memory.dmp	family_zgrat_v1
behavioral2/memory/116-50-0x0000000005300000-0x00000000053CE000-memory.dmp	family_zgrat_v1
behavioral2/memory/116-52-0x0000000005300000-0x00000000053CE000-memory.dmp	family_zgrat_v1
behavioral2/memory/116-54-0x0000000005300000-0x00000000053CE000-memory.dmp	family_zgrat_v1
behavioral2/memory/116-56-0x0000000005300000-0x00000000053CE000-memory.dmp	family_zgrat_v1
behavioral2/memory/116-58-0x0000000005300000-0x00000000053CE000-memory.dmp	family_zgrat_v1
behavioral2/memory/116-60-0x0000000005300000-0x00000000053CE000-memory.dmp	family_zgrat_v1
behavioral2/memory/116-62-0x0000000005300000-0x00000000053CE000-memory.dmp	family_zgrat_v1
behavioral2/memory/116-64-0x0000000005300000-0x00000000053CE000-memory.dmp	family_zgrat_v1
behavioral2/memory/116-66-0x0000000005300000-0x00000000053CE000-memory.dmp	family_zgrat_v1
behavioral2/memory/116-68-0x0000000005300000-0x00000000053CE000-memory.dmp	family_zgrat_v1
behavioral2/memory/116-70-0x0000000005300000-0x00000000053CE000-memory.dmp	family_zgrat_v1
behavioral2/memory/116-72-0x0000000005300000-0x00000000053CE000-memory.dmp	family_zgrat_v1
behavioral2/memory/116-74-0x0000000005300000-0x00000000053CE000-memory.dmp	family_zgrat_v1
behavioral2/memory/116-76-0x0000000005300000-0x00000000053CE000-memory.dmp	family_zgrat_v1
behavioral2/memory/116-78-0x0000000005300000-0x00000000053CE000-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-1-5-21-2598572287-1024438387-935107970-1000\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 3508 set thread context of 116	3508	tmp.exe	89

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3508	tmp.exe
3508	tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3508	tmp.exe
Token: SeDebugPrivilege	116	tmp.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3508 wrote to memory of 4596	3508	tmp.exe	88
PID 3508 wrote to memory of 4596	3508	tmp.exe	88
PID 3508 wrote to memory of 4596	3508	tmp.exe	88
PID 3508 wrote to memory of 116	3508	tmp.exe	89
PID 3508 wrote to memory of 116	3508	tmp.exe	89
PID 3508 wrote to memory of 116	3508	tmp.exe	89
PID 3508 wrote to memory of 116	3508	tmp.exe	89
PID 3508 wrote to memory of 116	3508	tmp.exe	89
PID 3508 wrote to memory of 116	3508	tmp.exe	89
PID 3508 wrote to memory of 116	3508	tmp.exe	89
PID 3508 wrote to memory of 116	3508	tmp.exe	89

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:3508
- 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⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:116

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/116-36-0x0000000005300000-0x00000000053CE000-memory.dmp

Filesize
824KB

Download
memory/116-62-0x0000000005300000-0x00000000053CE000-memory.dmp

Filesize
824KB

Download
memory/116-6073-0x00000000056E0000-0x0000000005746000-memory.dmp

Filesize
408KB

Download
memory/116-5133-0x00000000053D0000-0x00000000053E0000-memory.dmp

Filesize
64KB

Download
memory/116-4139-0x0000000074DB0000-0x0000000075560000-memory.dmp

Filesize
7.7MB

Download
memory/116-78-0x0000000005300000-0x00000000053CE000-memory.dmp

Filesize
824KB

Download
memory/116-38-0x0000000005300000-0x00000000053CE000-memory.dmp

Filesize
824KB

Download
memory/116-76-0x0000000005300000-0x00000000053CE000-memory.dmp

Filesize
824KB

Download
memory/116-10-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/116-74-0x0000000005300000-0x00000000053CE000-memory.dmp

Filesize
824KB

Download
memory/116-13-0x0000000005300000-0x00000000053D4000-memory.dmp

Filesize
848KB

Download
memory/116-34-0x0000000005300000-0x00000000053CE000-memory.dmp

Filesize
824KB

Download
memory/116-72-0x0000000005300000-0x00000000053CE000-memory.dmp

Filesize
824KB

Download
memory/116-16-0x00000000053D0000-0x00000000053E0000-memory.dmp

Filesize
64KB

Download
memory/116-17-0x0000000005300000-0x00000000053CE000-memory.dmp

Filesize
824KB

Download
memory/116-18-0x0000000005300000-0x00000000053CE000-memory.dmp

Filesize
824KB

Download
memory/116-20-0x0000000005300000-0x00000000053CE000-memory.dmp

Filesize
824KB

Download
memory/116-22-0x0000000005300000-0x00000000053CE000-memory.dmp

Filesize
824KB

Download
memory/116-28-0x0000000005300000-0x00000000053CE000-memory.dmp

Filesize
824KB

Download
memory/116-30-0x0000000005300000-0x00000000053CE000-memory.dmp

Filesize
824KB

Download
memory/116-40-0x0000000005300000-0x00000000053CE000-memory.dmp

Filesize
824KB

Download
memory/116-24-0x0000000005300000-0x00000000053CE000-memory.dmp

Filesize
824KB

Download
memory/116-32-0x0000000005300000-0x00000000053CE000-memory.dmp

Filesize
824KB

Download
memory/116-70-0x0000000005300000-0x00000000053CE000-memory.dmp

Filesize
824KB

Download
memory/116-26-0x0000000005300000-0x00000000053CE000-memory.dmp

Filesize
824KB

Download
memory/116-68-0x0000000005300000-0x00000000053CE000-memory.dmp

Filesize
824KB

Download
memory/116-15-0x0000000074DB0000-0x0000000075560000-memory.dmp

Filesize
7.7MB

Download
memory/116-42-0x0000000005300000-0x00000000053CE000-memory.dmp

Filesize
824KB

Download
memory/116-44-0x0000000005300000-0x00000000053CE000-memory.dmp

Filesize
824KB

Download
memory/116-48-0x0000000005300000-0x00000000053CE000-memory.dmp

Filesize
824KB

Download
memory/116-46-0x0000000005300000-0x00000000053CE000-memory.dmp

Filesize
824KB

Download
memory/116-50-0x0000000005300000-0x00000000053CE000-memory.dmp

Filesize
824KB

Download
memory/116-52-0x0000000005300000-0x00000000053CE000-memory.dmp

Filesize
824KB

Download
memory/116-54-0x0000000005300000-0x00000000053CE000-memory.dmp

Filesize
824KB

Download
memory/116-56-0x0000000005300000-0x00000000053CE000-memory.dmp

Filesize
824KB

Download
memory/116-58-0x0000000005300000-0x00000000053CE000-memory.dmp

Filesize
824KB

Download
memory/116-60-0x0000000005300000-0x00000000053CE000-memory.dmp

Filesize
824KB

Download
memory/116-66-0x0000000005300000-0x00000000053CE000-memory.dmp

Filesize
824KB

Download
memory/116-64-0x0000000005300000-0x00000000053CE000-memory.dmp

Filesize
824KB

Download
memory/3508-2-0x0000000005990000-0x00000000059A0000-memory.dmp

Filesize
64KB

Download
memory/3508-7-0x0000000005C20000-0x0000000005C6C000-memory.dmp

Filesize
304KB

Download
memory/3508-0-0x0000000000FF0000-0x00000000010F4000-memory.dmp

Filesize
1.0MB

Download
memory/3508-1-0x0000000074DB0000-0x0000000075560000-memory.dmp

Filesize
7.7MB

Download
memory/3508-14-0x0000000074DB0000-0x0000000075560000-memory.dmp

Filesize
7.7MB

Download
memory/3508-8-0x0000000006240000-0x00000000067E4000-memory.dmp

Filesize
5.6MB

Download
memory/3508-6-0x0000000005B90000-0x0000000005C22000-memory.dmp

Filesize
584KB

Download
memory/3508-5-0x0000000005B00000-0x0000000005B94000-memory.dmp

Filesize
592KB

Download
memory/3508-4-0x0000000005A50000-0x0000000005AFC000-memory.dmp

Filesize
688KB

Download
memory/3508-3-0x00000000059A0000-0x0000000005A4C000-memory.dmp

Filesize
688KB

Download