zgrat | d90447e02d86b3b7243f34abdebc6d9b918d3405b5091a4e7af3b24db63d7a7d

General

Target

d90447e02d86b3b7243f34abdebc6d9b918d3405b5091a4e7af3b24db63d7a7d.exe
Size

484KB
MD5

b7b5b344c954ff3001df527a1cafeb14
SHA1

51bdf2a31e5dd5408f3dcc6f195142ff68ddeb95
SHA256

d90447e02d86b3b7243f34abdebc6d9b918d3405b5091a4e7af3b24db63d7a7d
SHA512

40cfab33285325859dc28f833d1acae839d27621a36503f6653442368e9131a0c0846b15c52298ea28c41d7e906c8bf68abf28935751fa1e6c70594eaa1fdc1a
SSDEEP

6144:djTnt5sJVZWFMqpmUbdfcPGalT/9oXT+akWoA5P4JnTrRFucI2XFDL2gEX:djTLskMqpmkdE1lz9o/X50Trjn1eh

Score

10^/10

Malware Config

Signatures

Detect ZGRat V1 7 IoCs

resource	yara_rule
behavioral1/memory/2028-0-0x0000000001390000-0x0000000001410000-memory.dmp	family_zgrat_v1
behavioral1/memory/2028-2-0x0000000004CD0000-0x0000000004D10000-memory.dmp	family_zgrat_v1
behavioral1/memory/2748-9-0x0000000000400000-0x000000000045A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2748-10-0x0000000000400000-0x000000000045A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2748-13-0x0000000000400000-0x000000000045A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2748-19-0x0000000000400000-0x000000000045A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2748-16-0x0000000000400000-0x000000000045A000-memory.dmp	family_zgrat_v1

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

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\qemu-ga.exe	RegAsm.exe

Executes dropped EXE 1 IoCs

pid	Process
1404	qemu-ga.exe

Loads dropped DLL 1 IoCs

pid	Process
2748	RegAsm.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2028 set thread context of 2748	2028	d90447e02d86b3b7243f34abdebc6d9b918d3405b5091a4e7af3b24db63d7a7d.exe	29

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2748	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2748	RegAsm.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2028 wrote to memory of 2748	2028	d90447e02d86b3b7243f34abdebc6d9b918d3405b5091a4e7af3b24db63d7a7d.exe	29
PID 2028 wrote to memory of 2748	2028	d90447e02d86b3b7243f34abdebc6d9b918d3405b5091a4e7af3b24db63d7a7d.exe	29
PID 2028 wrote to memory of 2748	2028	d90447e02d86b3b7243f34abdebc6d9b918d3405b5091a4e7af3b24db63d7a7d.exe	29
PID 2028 wrote to memory of 2748	2028	d90447e02d86b3b7243f34abdebc6d9b918d3405b5091a4e7af3b24db63d7a7d.exe	29
PID 2028 wrote to memory of 2748	2028	d90447e02d86b3b7243f34abdebc6d9b918d3405b5091a4e7af3b24db63d7a7d.exe	29
PID 2028 wrote to memory of 2748	2028	d90447e02d86b3b7243f34abdebc6d9b918d3405b5091a4e7af3b24db63d7a7d.exe	29
PID 2028 wrote to memory of 2748	2028	d90447e02d86b3b7243f34abdebc6d9b918d3405b5091a4e7af3b24db63d7a7d.exe	29
PID 2028 wrote to memory of 2748	2028	d90447e02d86b3b7243f34abdebc6d9b918d3405b5091a4e7af3b24db63d7a7d.exe	29
PID 2028 wrote to memory of 2748	2028	d90447e02d86b3b7243f34abdebc6d9b918d3405b5091a4e7af3b24db63d7a7d.exe	29
PID 2028 wrote to memory of 2748	2028	d90447e02d86b3b7243f34abdebc6d9b918d3405b5091a4e7af3b24db63d7a7d.exe	29
PID 2028 wrote to memory of 2748	2028	d90447e02d86b3b7243f34abdebc6d9b918d3405b5091a4e7af3b24db63d7a7d.exe	29
PID 2028 wrote to memory of 2748	2028	d90447e02d86b3b7243f34abdebc6d9b918d3405b5091a4e7af3b24db63d7a7d.exe	29
PID 2748 wrote to memory of 1404	2748	RegAsm.exe	33
PID 2748 wrote to memory of 1404	2748	RegAsm.exe	33
PID 2748 wrote to memory of 1404	2748	RegAsm.exe	33
PID 2748 wrote to memory of 1404	2748	RegAsm.exe	33

C:\Users\Admin\AppData\Local\Temp\d90447e02d86b3b7243f34abdebc6d9b918d3405b5091a4e7af3b24db63d7a7d.exe
"C:\Users\Admin\AppData\Local\Temp\d90447e02d86b3b7243f34abdebc6d9b918d3405b5091a4e7af3b24db63d7a7d.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2028
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - Drops startup file
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2748
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\qemu-ga.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\qemu-ga.exe"
    3⤵
    - Executes dropped EXE
    PID:1404

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\CabC286.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarC2D7.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\qemu-ga.exe

Filesize
4KB

MD5
d4910f56121ae1e3049ee0ed506ed5dc

SHA1
be48eba194f3e507873740cb844c7724ff4ba616

SHA256
ac70c1847bdf903a698de1badb72b9f9539ae9cc75cb3acc3062e4622977ee95

SHA512
c551d52823886f9cec7024457a06028526e8581f3dabd63646db57b9fa4760ccd9a295431cb1d037c20ead0be96f9fa21b04b8611a66429467ef538a8f0468d6

Download Submit
memory/1404-61-0x000007FEF5970000-0x000007FEF635C000-memory.dmp

Filesize
9.9MB

Download
memory/1404-60-0x0000000001350000-0x0000000001358000-memory.dmp

Filesize
32KB

Download
memory/2028-18-0x0000000074960000-0x000000007504E000-memory.dmp

Filesize
6.9MB

Download
memory/2028-1-0x0000000074960000-0x000000007504E000-memory.dmp

Filesize
6.9MB

Download
memory/2028-2-0x0000000004CD0000-0x0000000004D10000-memory.dmp

Filesize
256KB

Download
memory/2028-3-0x00000000004A0000-0x00000000004A1000-memory.dmp

Filesize
4KB

Download
memory/2028-4-0x00000000004A0000-0x00000000004A1000-memory.dmp

Filesize
4KB

Download
memory/2028-0-0x0000000001390000-0x0000000001410000-memory.dmp

Filesize
512KB

Download
memory/2028-15-0x00000000004A0000-0x00000000004A1000-memory.dmp

Filesize
4KB

Download
memory/2748-5-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/2748-19-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/2748-16-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/2748-13-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/2748-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2748-10-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/2748-9-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/2748-7-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download

Analysis

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