asyncrat | 4a37ef0832eff0801ea4c2bcd4c544d70aa91685fa2d0e18d9f382956ba9b212

General

Target

22cff880fa28e4de8a2b3cfe8e4167ac_JaffaCakes118.exe
Size

5.1MB
MD5

22cff880fa28e4de8a2b3cfe8e4167ac
SHA1

4fe818c809011d0105b4199fe10c5843d6b892f3
SHA256

4a37ef0832eff0801ea4c2bcd4c544d70aa91685fa2d0e18d9f382956ba9b212
SHA512

50760946e9ee30688db36b1e7dc702a3a15f09e09cd62ca7ccc9e1dfc165c841fa2d1947bb9c9d6f866c87944e20658b4c7a0dfc05ae97a63cc533a6cdb8b06b
SSDEEP

98304:016BpLto6+8GmggciWjsMfdIfabcAhScW8GJ1plxuemt3uQZ13kXUUXx1sXgzcms:k6+8kgciUsMfd0APWF1ceK1T3k5XswW

Score

10^/10

asyncrat zgrat rat

Malware Config

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat

Detect ZGRat V1 6 IoCs

resource	yara_rule
behavioral1/memory/2292-7-0x00000000004E0000-0x00000000004F4000-memory.dmp	family_zgrat_v1
behavioral1/memory/2368-18-0x0000000000400000-0x000000000042A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2368-23-0x0000000000400000-0x000000000042A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2368-20-0x0000000000400000-0x000000000042A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2368-14-0x0000000000400000-0x000000000042A000-memory.dmp	family_zgrat_v1
behavioral1/memory/2368-12-0x0000000000400000-0x000000000042A000-memory.dmp	family_zgrat_v1

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

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
4	pastebin.com
5	pastebin.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2292 set thread context of 2368	2292	22cff880fa28e4de8a2b3cfe8e4167ac_JaffaCakes118.exe	31

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2368	RegSvcs.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2292 wrote to memory of 2368	2292	22cff880fa28e4de8a2b3cfe8e4167ac_JaffaCakes118.exe	31
PID 2292 wrote to memory of 2368	2292	22cff880fa28e4de8a2b3cfe8e4167ac_JaffaCakes118.exe	31
PID 2292 wrote to memory of 2368	2292	22cff880fa28e4de8a2b3cfe8e4167ac_JaffaCakes118.exe	31
PID 2292 wrote to memory of 2368	2292	22cff880fa28e4de8a2b3cfe8e4167ac_JaffaCakes118.exe	31
PID 2292 wrote to memory of 2368	2292	22cff880fa28e4de8a2b3cfe8e4167ac_JaffaCakes118.exe	31
PID 2292 wrote to memory of 2368	2292	22cff880fa28e4de8a2b3cfe8e4167ac_JaffaCakes118.exe	31
PID 2292 wrote to memory of 2368	2292	22cff880fa28e4de8a2b3cfe8e4167ac_JaffaCakes118.exe	31
PID 2292 wrote to memory of 2368	2292	22cff880fa28e4de8a2b3cfe8e4167ac_JaffaCakes118.exe	31
PID 2292 wrote to memory of 2368	2292	22cff880fa28e4de8a2b3cfe8e4167ac_JaffaCakes118.exe	31
PID 2292 wrote to memory of 2368	2292	22cff880fa28e4de8a2b3cfe8e4167ac_JaffaCakes118.exe	31
PID 2292 wrote to memory of 2368	2292	22cff880fa28e4de8a2b3cfe8e4167ac_JaffaCakes118.exe	31
PID 2292 wrote to memory of 2368	2292	22cff880fa28e4de8a2b3cfe8e4167ac_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\22cff880fa28e4de8a2b3cfe8e4167ac_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\22cff880fa28e4de8a2b3cfe8e4167ac_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2292
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2368

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2292-25-0x0000000074B20000-0x000000007520E000-memory.dmp

Filesize
6.9MB

Download
memory/2292-4-0x0000000074B2E000-0x0000000074B2F000-memory.dmp

Filesize
4KB

Download
memory/2292-0-0x0000000074B2E000-0x0000000074B2F000-memory.dmp

Filesize
4KB

Download
memory/2292-3-0x0000000074B20000-0x000000007520E000-memory.dmp

Filesize
6.9MB

Download
memory/2292-1-0x00000000003F0000-0x0000000000454000-memory.dmp

Filesize
400KB

Download
memory/2292-5-0x0000000074B20000-0x000000007520E000-memory.dmp

Filesize
6.9MB

Download
memory/2292-6-0x0000000000340000-0x000000000036E000-memory.dmp

Filesize
184KB

Download
memory/2292-7-0x00000000004E0000-0x00000000004F4000-memory.dmp

Filesize
80KB

Download
memory/2292-2-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/2368-18-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2368-8-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2368-26-0x0000000074B20000-0x000000007520E000-memory.dmp

Filesize
6.9MB

Download
memory/2368-24-0x0000000074B20000-0x000000007520E000-memory.dmp

Filesize
6.9MB

Download
memory/2368-23-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2368-20-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2368-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2368-14-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2368-12-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2368-10-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2368-27-0x0000000074B20000-0x000000007520E000-memory.dmp

Filesize
6.9MB

Download
memory/2368-28-0x0000000074B20000-0x000000007520E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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