wshrat | 301042d2e4c7c38c45d27312dffcd8260060bc8d98ddb510dbbf7f52f1f0f151

General

Target

f206fcd4c9308dbd966384dc94ea6811_JaffaCakes118.exe
Size

451KB
MD5

f206fcd4c9308dbd966384dc94ea6811
SHA1

49e1c7affefcbdc4a69ce941704b63f0508760de
SHA256

301042d2e4c7c38c45d27312dffcd8260060bc8d98ddb510dbbf7f52f1f0f151
SHA512

efcce74dc0f7a326a54f7b7a999071236f92d1f0930630f10dbd070e4c3c4d4aef43dcaaa1d570ccb665f39490889529b4a87d73109f83f4477d60c9f2e49789
SSDEEP

6144:vuS/mbZR6tzw+HYzXfjn7FdXjxTpUQPY5e9JfQ3EIY0FY:XmbZRp+4pxxJY5cQ3EIYR

Score

10^/10

Malware Config

Signatures

Detect ZGRat V1 1 IoCs

resource	yara_rule
behavioral1/memory/1964-3-0x0000000000550000-0x0000000000598000-memory.dmp	family_zgrat_v1

WSHRAT
WSHRAT is a variant of Houdini worm and has vbs and js variants.
trojan wshrat

WSHRAT payload 1 IoCs

resource	yara_rule
behavioral1/files/0x002c000000015cb6-23.dat	family_wshrat

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

Blocklisted process makes network request 8 IoCs

flow	pid	Process
9	2740	wscript.exe
10	2740	wscript.exe
11	2740	wscript.exe
12	2740	wscript.exe
13	2740	wscript.exe
14	2740	wscript.exe
15	2740	wscript.exe
17	2740	wscript.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ugbeh.vbs	wscript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ugbeh.vbs	wscript.exe

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-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Windows\CurrentVersion\Run\musaka = "\"C:\\Users\\Admin\\AppData\\Roaming\\musaka.exe\""	f206fcd4c9308dbd966384dc94ea6811_JaffaCakes118.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
8	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1964 set thread context of 2692	1964	f206fcd4c9308dbd966384dc94ea6811_JaffaCakes118.exe	28

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
1964	f206fcd4c9308dbd966384dc94ea6811_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1964	f206fcd4c9308dbd966384dc94ea6811_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1964 wrote to memory of 2692	1964	f206fcd4c9308dbd966384dc94ea6811_JaffaCakes118.exe	28
PID 1964 wrote to memory of 2692	1964	f206fcd4c9308dbd966384dc94ea6811_JaffaCakes118.exe	28
PID 1964 wrote to memory of 2692	1964	f206fcd4c9308dbd966384dc94ea6811_JaffaCakes118.exe	28
PID 1964 wrote to memory of 2692	1964	f206fcd4c9308dbd966384dc94ea6811_JaffaCakes118.exe	28
PID 1964 wrote to memory of 2692	1964	f206fcd4c9308dbd966384dc94ea6811_JaffaCakes118.exe	28
PID 1964 wrote to memory of 2692	1964	f206fcd4c9308dbd966384dc94ea6811_JaffaCakes118.exe	28
PID 1964 wrote to memory of 2692	1964	f206fcd4c9308dbd966384dc94ea6811_JaffaCakes118.exe	28
PID 1964 wrote to memory of 2692	1964	f206fcd4c9308dbd966384dc94ea6811_JaffaCakes118.exe	28
PID 1964 wrote to memory of 2692	1964	f206fcd4c9308dbd966384dc94ea6811_JaffaCakes118.exe	28
PID 2692 wrote to memory of 2740	2692	f206fcd4c9308dbd966384dc94ea6811_JaffaCakes118.exe	29
PID 2692 wrote to memory of 2740	2692	f206fcd4c9308dbd966384dc94ea6811_JaffaCakes118.exe	29
PID 2692 wrote to memory of 2740	2692	f206fcd4c9308dbd966384dc94ea6811_JaffaCakes118.exe	29
PID 2692 wrote to memory of 2740	2692	f206fcd4c9308dbd966384dc94ea6811_JaffaCakes118.exe	29

C:\Users\Admin\AppData\Local\Temp\f206fcd4c9308dbd966384dc94ea6811_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f206fcd4c9308dbd966384dc94ea6811_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1964
- C:\Users\Admin\AppData\Local\Temp\f206fcd4c9308dbd966384dc94ea6811_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\f206fcd4c9308dbd966384dc94ea6811_JaffaCakes118.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2692
- - C:\Windows\SysWOW64\wscript.exe
    "C:\Windows\System32\wscript.exe" C:\Users\Admin\AppData\Roaming\ugbeh.vbs
    3⤵
    - Blocklisted process makes network request
    - Drops startup file
    PID:2740

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\ugbeh.vbs

Filesize
180KB

MD5
8ffe3d7ee738e0573bd189ccc3b539b2

SHA1
94eab63679eca28bcd764d6d5d42094467e3d2ac

SHA256
f4af882c098d1e7c1e989ab36b0653a580d55ac0b52b2f6cd1faa070c738698f

SHA512
5f30d676aca05fcde57f17ddc87ba86a2d05bbf72fe166d97de042eca60dca76413a2bdaebe10e22471ae4689601d849e58cb78eb6aaf4cfa6fd6384dc81b273

Download Submit
memory/1964-0-0x0000000000AF0000-0x0000000000B66000-memory.dmp

Filesize
472KB

Download
memory/1964-1-0x00000000745F0000-0x0000000074CDE000-memory.dmp

Filesize
6.9MB

Download
memory/1964-2-0x0000000004C00000-0x0000000004C40000-memory.dmp

Filesize
256KB

Download
memory/1964-3-0x0000000000550000-0x0000000000598000-memory.dmp

Filesize
288KB

Download
memory/1964-19-0x00000000745F0000-0x0000000074CDE000-memory.dmp

Filesize
6.9MB

Download
memory/2692-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2692-11-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/2692-9-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/2692-15-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/2692-17-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/2692-7-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/2692-20-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/2692-21-0x00000000745F0000-0x0000000074CDE000-memory.dmp

Filesize
6.9MB

Download
memory/2692-5-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/2692-24-0x00000000745F0000-0x0000000074CDE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads