zgrat | 5bca86ec4ed35175dd33db2943f1fc7839ae3565229fc5fd9227bbd9f0aa637b

Analysis

max time kernel
150s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
22/04/2024, 09:06

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General

Target

ltrt.exe
Size

180KB
MD5

f333f0a16c7bb7129e6659e145525be6
SHA1

e6d057c501381d3604e24d73edc81254ddf7bbb1
SHA256

5bca86ec4ed35175dd33db2943f1fc7839ae3565229fc5fd9227bbd9f0aa637b
SHA512

34b31dffdbb53cf90efaf00847777ced46b888825bffc882ecf694def7203d7a3656cde1cb2279b84200afca42f1de2ab8b0c7c8c367c18fe796a146ddb61b33
SSDEEP

3072:ZJgCU1m6NcbkgbpA9QPqym0Mxqwg0QSNU6Ji3G8uNLt9N18Y+ECc:Zuz1pNc8WGQwgVSri3G8uP9N/+

Score

10^/10

zgrat rat

Malware Config

Signatures

Detect ZGRat V1 35 IoCs

resource	yara_rule
behavioral2/memory/2400-3-0x0000026998780000-0x0000026998A38000-memory.dmp	family_zgrat_v1
behavioral2/memory/2400-4-0x0000026998780000-0x0000026998A32000-memory.dmp	family_zgrat_v1
behavioral2/memory/2400-5-0x0000026998780000-0x0000026998A32000-memory.dmp	family_zgrat_v1
behavioral2/memory/2400-7-0x0000026998780000-0x0000026998A32000-memory.dmp	family_zgrat_v1
behavioral2/memory/2400-9-0x0000026998780000-0x0000026998A32000-memory.dmp	family_zgrat_v1
behavioral2/memory/2400-11-0x0000026998780000-0x0000026998A32000-memory.dmp	family_zgrat_v1
behavioral2/memory/2400-13-0x0000026998780000-0x0000026998A32000-memory.dmp	family_zgrat_v1
behavioral2/memory/2400-15-0x0000026998780000-0x0000026998A32000-memory.dmp	family_zgrat_v1
behavioral2/memory/2400-17-0x0000026998780000-0x0000026998A32000-memory.dmp	family_zgrat_v1
behavioral2/memory/2400-19-0x0000026998780000-0x0000026998A32000-memory.dmp	family_zgrat_v1
behavioral2/memory/2400-21-0x0000026998780000-0x0000026998A32000-memory.dmp	family_zgrat_v1
behavioral2/memory/2400-23-0x0000026998780000-0x0000026998A32000-memory.dmp	family_zgrat_v1
behavioral2/memory/2400-25-0x0000026998780000-0x0000026998A32000-memory.dmp	family_zgrat_v1
behavioral2/memory/2400-27-0x0000026998780000-0x0000026998A32000-memory.dmp	family_zgrat_v1
behavioral2/memory/2400-29-0x0000026998780000-0x0000026998A32000-memory.dmp	family_zgrat_v1
behavioral2/memory/2400-31-0x0000026998780000-0x0000026998A32000-memory.dmp	family_zgrat_v1
behavioral2/memory/2400-33-0x0000026998780000-0x0000026998A32000-memory.dmp	family_zgrat_v1
behavioral2/memory/2400-35-0x0000026998780000-0x0000026998A32000-memory.dmp	family_zgrat_v1
behavioral2/memory/2400-37-0x0000026998780000-0x0000026998A32000-memory.dmp	family_zgrat_v1
behavioral2/memory/2400-39-0x0000026998780000-0x0000026998A32000-memory.dmp	family_zgrat_v1
behavioral2/memory/2400-41-0x0000026998780000-0x0000026998A32000-memory.dmp	family_zgrat_v1
behavioral2/memory/2400-45-0x0000026998780000-0x0000026998A32000-memory.dmp	family_zgrat_v1
behavioral2/memory/2400-43-0x0000026998780000-0x0000026998A32000-memory.dmp	family_zgrat_v1
behavioral2/memory/2400-47-0x0000026998780000-0x0000026998A32000-memory.dmp	family_zgrat_v1
behavioral2/memory/2400-49-0x0000026998780000-0x0000026998A32000-memory.dmp	family_zgrat_v1
behavioral2/memory/2400-51-0x0000026998780000-0x0000026998A32000-memory.dmp	family_zgrat_v1
behavioral2/memory/2400-53-0x0000026998780000-0x0000026998A32000-memory.dmp	family_zgrat_v1
behavioral2/memory/2400-55-0x0000026998780000-0x0000026998A32000-memory.dmp	family_zgrat_v1
behavioral2/memory/2400-57-0x0000026998780000-0x0000026998A32000-memory.dmp	family_zgrat_v1
behavioral2/memory/2400-59-0x0000026998780000-0x0000026998A32000-memory.dmp	family_zgrat_v1
behavioral2/memory/2400-61-0x0000026998780000-0x0000026998A32000-memory.dmp	family_zgrat_v1
behavioral2/memory/2400-63-0x0000026998780000-0x0000026998A32000-memory.dmp	family_zgrat_v1
behavioral2/memory/2400-65-0x0000026998780000-0x0000026998A32000-memory.dmp	family_zgrat_v1
behavioral2/memory/2400-67-0x0000026998780000-0x0000026998A32000-memory.dmp	family_zgrat_v1
behavioral2/memory/1832-4896-0x0000012FFB7B0000-0x0000012FFB896000-memory.dmp	family_zgrat_v1

ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat

Executes dropped EXE 2 IoCs

pid	Process
4888	Type.exe
4880	Type.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2400 set thread context of 1832	2400	ltrt.exe	102
PID 4888 set thread context of 4880	4888	Type.exe	115
PID 4880 set thread context of 2024	4880	Type.exe	119

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4488	powershell.exe
4488	powershell.exe
4880	Type.exe
4880	Type.exe
3688	powershell.exe
3688	powershell.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	2400	ltrt.exe
Token: SeDebugPrivilege	2400	ltrt.exe
Token: SeDebugPrivilege	1832	ltrt.exe
Token: SeDebugPrivilege	4488	powershell.exe
Token: SeDebugPrivilege	4888	Type.exe
Token: SeDebugPrivilege	4888	Type.exe
Token: SeDebugPrivilege	4880	Type.exe
Token: SeDebugPrivilege	2024	InstallUtil.exe
Token: SeDebugPrivilege	3688	powershell.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2400 wrote to memory of 1832	2400	ltrt.exe	102
PID 2400 wrote to memory of 1832	2400	ltrt.exe	102
PID 2400 wrote to memory of 1832	2400	ltrt.exe	102
PID 2400 wrote to memory of 1832	2400	ltrt.exe	102
PID 2400 wrote to memory of 1832	2400	ltrt.exe	102
PID 2400 wrote to memory of 1832	2400	ltrt.exe	102
PID 4888 wrote to memory of 4880	4888	Type.exe	115
PID 4888 wrote to memory of 4880	4888	Type.exe	115
PID 4888 wrote to memory of 4880	4888	Type.exe	115
PID 4888 wrote to memory of 4880	4888	Type.exe	115
PID 4888 wrote to memory of 4880	4888	Type.exe	115
PID 4888 wrote to memory of 4880	4888	Type.exe	115
PID 4880 wrote to memory of 2024	4880	Type.exe	119
PID 4880 wrote to memory of 2024	4880	Type.exe	119
PID 4880 wrote to memory of 2024	4880	Type.exe	119
PID 4880 wrote to memory of 2024	4880	Type.exe	119
PID 4880 wrote to memory of 2024	4880	Type.exe	119
PID 4880 wrote to memory of 2024	4880	Type.exe	119
PID 4880 wrote to memory of 2024	4880	Type.exe	119

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\ltrt.exe
"C:\Users\Admin\AppData\Local\Temp\ltrt.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2400
- C:\Users\Admin\AppData\Local\Temp\ltrt.exe
  "C:\Users\Admin\AppData\Local\Temp\ltrt.exe"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1832

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy Bypass -WindowStyle Hidden -NoProfile -enc QQBkAGQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEMAOgBcAFUAcwBlAHIAcwBcAEEAZABtAGkAbgBcAEEAcABwAEQAYQB0AGEAXABMAG8AYwBhAGwALABDADoAXABVAHMAZQByAHMAXABBAGQAbQBpAG4AXABBAHAAcABEAGEAdABhAFwATABvAGMAYQBsAFwAVABlAG0AcABcADsAIABBAGQAZAAtAE0AcABQAHIAZQBmAGUAcgBlAG4AYwBlACAALQBFAHgAYwBsAHUAcwBpAG8AbgBQAHIAbwBjAGUAcwBzACAAVAB5AHAAZQAuAGUAeABlADsA
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4488

C:\Users\Admin\AppData\Local\BaseType\bkjbkd\Type.exe
C:\Users\Admin\AppData\Local\BaseType\bkjbkd\Type.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4888
- C:\Users\Admin\AppData\Local\BaseType\bkjbkd\Type.exe
  "C:\Users\Admin\AppData\Local\BaseType\bkjbkd\Type.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4880
- - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe
    C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:2024

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy Bypass -WindowStyle Hidden -NoProfile -enc QQBkAGQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEMAOgBcAFUAcwBlAHIAcwBcAEEAZABtAGkAbgBcAEEAcABwAEQAYQB0AGEAXABMAG8AYwBhAGwALABDADoAXABVAHMAZQByAHMAXABBAGQAbQBpAG4AXABBAHAAcABEAGEAdABhAFwATABvAGMAYQBsAFwAVABlAG0AcABcADsAIABBAGQAZAAtAE0AcABQAHIAZQBmAGUAcgBlAG4AYwBlACAALQBFAHgAYwBsAHUAcwBpAG8AbgBQAHIAbwBjAGUAcwBzACAAVAB5AHAAZQAuAGUAeABlADsA
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3688

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\BaseType\bkjbkd\Type.exe

Filesize
180KB

MD5
f333f0a16c7bb7129e6659e145525be6

SHA1
e6d057c501381d3604e24d73edc81254ddf7bbb1

SHA256
5bca86ec4ed35175dd33db2943f1fc7839ae3565229fc5fd9227bbd9f0aa637b

SHA512
34b31dffdbb53cf90efaf00847777ced46b888825bffc882ecf694def7203d7a3656cde1cb2279b84200afca42f1de2ab8b0c7c8c367c18fe796a146ddb61b33

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

Filesize
1KB

MD5
b78f0793c3ef1d417e56d34b656b40bb

SHA1
4a622f8022516098cb5aae35a5953bde039111a7

SHA256
67090a383e35cf075d5c0f0c1d78c4e4b805de6aa951b5d4dd01fd9ae8ccdcfb

SHA512
ab3fb91602bd6f070d9b060da4a26d01869e9b23e319db9164d2e251b2c47db690da0f832e69a45c03bc99919942ef516a0b157cfa0aaea84e64b1e90ae5b933

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

Filesize
2KB

MD5
d85ba6ff808d9e5444a4b369f5bc2730

SHA1
31aa9d96590fff6981b315e0b391b575e4c0804a

SHA256
84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

SHA512
8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
77d622bb1a5b250869a3238b9bc1402b

SHA1
d47f4003c2554b9dfc4c16f22460b331886b191b

SHA256
f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb

SHA512
d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_304fcmns.2qk.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1832-4896-0x0000012FFB7B0000-0x0000012FFB896000-memory.dmp

Filesize
920KB

Download
memory/1832-4895-0x0000012FFB8D0000-0x0000012FFB8E0000-memory.dmp

Filesize
64KB

Download
memory/1832-4892-0x0000000000400000-0x00000000004AA000-memory.dmp

Filesize
680KB

Download
memory/1832-4894-0x00007FFE22E80000-0x00007FFE23941000-memory.dmp

Filesize
10.8MB

Download
memory/1832-7116-0x00007FFE22E80000-0x00007FFE23941000-memory.dmp

Filesize
10.8MB

Download
memory/1832-7114-0x0000012FFAF70000-0x0000012FFAFC6000-memory.dmp

Filesize
344KB

Download
memory/1832-7113-0x0000012FFAEE0000-0x0000012FFAEE8000-memory.dmp

Filesize
32KB

Download
memory/2024-15961-0x00007FFE22E80000-0x00007FFE23941000-memory.dmp

Filesize
10.8MB

Download
memory/2024-14244-0x00007FFE22E80000-0x00007FFE23941000-memory.dmp

Filesize
10.8MB

Download
memory/2400-57-0x0000026998780000-0x0000026998A32000-memory.dmp

Filesize
2.7MB

Download
memory/2400-4885-0x0000026998490000-0x0000026998491000-memory.dmp

Filesize
4KB

Download
memory/2400-17-0x0000026998780000-0x0000026998A32000-memory.dmp

Filesize
2.7MB

Download
memory/2400-19-0x0000026998780000-0x0000026998A32000-memory.dmp

Filesize
2.7MB

Download
memory/2400-21-0x0000026998780000-0x0000026998A32000-memory.dmp

Filesize
2.7MB

Download
memory/2400-23-0x0000026998780000-0x0000026998A32000-memory.dmp

Filesize
2.7MB

Download
memory/2400-25-0x0000026998780000-0x0000026998A32000-memory.dmp

Filesize
2.7MB

Download
memory/2400-27-0x0000026998780000-0x0000026998A32000-memory.dmp

Filesize
2.7MB

Download
memory/2400-29-0x0000026998780000-0x0000026998A32000-memory.dmp

Filesize
2.7MB

Download
memory/2400-31-0x0000026998780000-0x0000026998A32000-memory.dmp

Filesize
2.7MB

Download
memory/2400-33-0x0000026998780000-0x0000026998A32000-memory.dmp

Filesize
2.7MB

Download
memory/2400-35-0x0000026998780000-0x0000026998A32000-memory.dmp

Filesize
2.7MB

Download
memory/2400-37-0x0000026998780000-0x0000026998A32000-memory.dmp

Filesize
2.7MB

Download
memory/2400-39-0x0000026998780000-0x0000026998A32000-memory.dmp

Filesize
2.7MB

Download
memory/2400-41-0x0000026998780000-0x0000026998A32000-memory.dmp

Filesize
2.7MB

Download
memory/2400-45-0x0000026998780000-0x0000026998A32000-memory.dmp

Filesize
2.7MB

Download
memory/2400-43-0x0000026998780000-0x0000026998A32000-memory.dmp

Filesize
2.7MB

Download
memory/2400-47-0x0000026998780000-0x0000026998A32000-memory.dmp

Filesize
2.7MB

Download
memory/2400-49-0x0000026998780000-0x0000026998A32000-memory.dmp

Filesize
2.7MB

Download
memory/2400-51-0x0000026998780000-0x0000026998A32000-memory.dmp

Filesize
2.7MB

Download
memory/2400-53-0x0000026998780000-0x0000026998A32000-memory.dmp

Filesize
2.7MB

Download
memory/2400-55-0x0000026998780000-0x0000026998A32000-memory.dmp

Filesize
2.7MB

Download
memory/2400-13-0x0000026998780000-0x0000026998A32000-memory.dmp

Filesize
2.7MB

Download
memory/2400-59-0x0000026998780000-0x0000026998A32000-memory.dmp

Filesize
2.7MB

Download
memory/2400-61-0x0000026998780000-0x0000026998A32000-memory.dmp

Filesize
2.7MB

Download
memory/2400-63-0x0000026998780000-0x0000026998A32000-memory.dmp

Filesize
2.7MB

Download
memory/2400-65-0x0000026998780000-0x0000026998A32000-memory.dmp

Filesize
2.7MB

Download
memory/2400-67-0x0000026998780000-0x0000026998A32000-memory.dmp

Filesize
2.7MB

Download
memory/2400-2014-0x00007FFE22E80000-0x00007FFE23941000-memory.dmp

Filesize
10.8MB

Download
memory/2400-15-0x0000026998780000-0x0000026998A32000-memory.dmp

Filesize
2.7MB

Download
memory/2400-11-0x0000026998780000-0x0000026998A32000-memory.dmp

Filesize
2.7MB

Download
memory/2400-9-0x0000026998780000-0x0000026998A32000-memory.dmp

Filesize
2.7MB

Download
memory/2400-7-0x0000026998780000-0x0000026998A32000-memory.dmp

Filesize
2.7MB

Download
memory/2400-4886-0x0000026998A40000-0x0000026998B34000-memory.dmp

Filesize
976KB

Download
memory/2400-4887-0x0000026998B30000-0x0000026998B7C000-memory.dmp

Filesize
304KB

Download
memory/2400-4888-0x0000026998B80000-0x0000026998BD4000-memory.dmp

Filesize
336KB

Download
memory/2400-4893-0x00007FFE22E80000-0x00007FFE23941000-memory.dmp

Filesize
10.8MB

Download
memory/2400-0-0x00000269FDF00000-0x00000269FDF2E000-memory.dmp

Filesize
184KB

Download
memory/2400-1-0x00007FFE22E80000-0x00007FFE23941000-memory.dmp

Filesize
10.8MB

Download
memory/2400-5-0x0000026998780000-0x0000026998A32000-memory.dmp

Filesize
2.7MB

Download
memory/2400-2-0x0000026998530000-0x0000026998540000-memory.dmp

Filesize
64KB

Download
memory/2400-3-0x0000026998780000-0x0000026998A38000-memory.dmp

Filesize
2.7MB

Download
memory/2400-4-0x0000026998780000-0x0000026998A32000-memory.dmp

Filesize
2.7MB

Download
memory/3688-15558-0x00007FFE22E80000-0x00007FFE23941000-memory.dmp

Filesize
10.8MB

Download
memory/3688-14732-0x0000022A793F0000-0x0000022A79400000-memory.dmp

Filesize
64KB

Download
memory/3688-14731-0x00007FFE22E80000-0x00007FFE23941000-memory.dmp

Filesize
10.8MB

Download
memory/4488-7131-0x00007FFE22E80000-0x00007FFE23941000-memory.dmp

Filesize
10.8MB

Download
memory/4488-7117-0x00007FFE22E80000-0x00007FFE23941000-memory.dmp

Filesize
10.8MB

Download
memory/4488-7118-0x000001FB73F60000-0x000001FB73F70000-memory.dmp

Filesize
64KB

Download
memory/4488-7128-0x000001FB745C0000-0x000001FB745E2000-memory.dmp

Filesize
136KB

Download
memory/4880-14243-0x0000021034270000-0x0000021034280000-memory.dmp

Filesize
64KB

Download
memory/4880-14245-0x00007FFE22E80000-0x00007FFE23941000-memory.dmp

Filesize
10.8MB

Download
memory/4880-12024-0x0000021034270000-0x0000021034280000-memory.dmp

Filesize
64KB

Download
memory/4880-12023-0x00007FFE22E80000-0x00007FFE23941000-memory.dmp

Filesize
10.8MB

Download
memory/4888-7134-0x00007FFE22E80000-0x00007FFE23941000-memory.dmp

Filesize
10.8MB

Download
memory/4888-12025-0x00007FFE22E80000-0x00007FFE23941000-memory.dmp

Filesize
10.8MB

Download
memory/4888-12018-0x0000016B365C0000-0x0000016B365C1000-memory.dmp

Filesize
4KB

Download
memory/4888-10058-0x0000016B36450000-0x0000016B36460000-memory.dmp

Filesize
64KB

Download
memory/4888-9446-0x00007FFE22E80000-0x00007FFE23941000-memory.dmp

Filesize
10.8MB

Download
memory/4888-7135-0x0000016B36450000-0x0000016B36460000-memory.dmp

Filesize
64KB

Download