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
behavioral2/memory/456-6-0x0000000005C50000-0x0000000005C98000-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
behavioral2/files/0x000800000002354f-14.dat	family_wshrat

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

Blocklisted process makes network request 7 IoCs

flow	pid	Process
35	2980	wscript.exe
36	2980	wscript.exe
57	2980	wscript.exe
64	2980	wscript.exe
66	2980	wscript.exe
75	2980	wscript.exe
79	2980	wscript.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1230272463-3683322193-511842230-1000\Control Panel\International\Geo\Nation	f206fcd4c9308dbd966384dc94ea6811_JaffaCakes118.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-1-5-21-1230272463-3683322193-511842230-1000\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
34	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 456 set thread context of 1840	456	f206fcd4c9308dbd966384dc94ea6811_JaffaCakes118.exe	97

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
456	f206fcd4c9308dbd966384dc94ea6811_JaffaCakes118.exe
456	f206fcd4c9308dbd966384dc94ea6811_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	456	f206fcd4c9308dbd966384dc94ea6811_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 456 wrote to memory of 1840	456	f206fcd4c9308dbd966384dc94ea6811_JaffaCakes118.exe	97
PID 456 wrote to memory of 1840	456	f206fcd4c9308dbd966384dc94ea6811_JaffaCakes118.exe	97
PID 456 wrote to memory of 1840	456	f206fcd4c9308dbd966384dc94ea6811_JaffaCakes118.exe	97
PID 456 wrote to memory of 1840	456	f206fcd4c9308dbd966384dc94ea6811_JaffaCakes118.exe	97
PID 456 wrote to memory of 1840	456	f206fcd4c9308dbd966384dc94ea6811_JaffaCakes118.exe	97
PID 456 wrote to memory of 1840	456	f206fcd4c9308dbd966384dc94ea6811_JaffaCakes118.exe	97
PID 456 wrote to memory of 1840	456	f206fcd4c9308dbd966384dc94ea6811_JaffaCakes118.exe	97
PID 456 wrote to memory of 1840	456	f206fcd4c9308dbd966384dc94ea6811_JaffaCakes118.exe	97
PID 1840 wrote to memory of 2980	1840	f206fcd4c9308dbd966384dc94ea6811_JaffaCakes118.exe	98
PID 1840 wrote to memory of 2980	1840	f206fcd4c9308dbd966384dc94ea6811_JaffaCakes118.exe	98
PID 1840 wrote to memory of 2980	1840	f206fcd4c9308dbd966384dc94ea6811_JaffaCakes118.exe	98

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:456
- C:\Users\Admin\AppData\Local\Temp\f206fcd4c9308dbd966384dc94ea6811_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\f206fcd4c9308dbd966384dc94ea6811_JaffaCakes118.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:1840
- - 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:2980

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3484,i,6862816582779850255,3437582573780299282,262144 --variations-seed-version --mojo-platform-channel-handle=4080 /prefetch:8
1⤵
PID:1568

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

Query Registry

1

T1012

System Information Discovery

2

T1082

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\f206fcd4c9308dbd966384dc94ea6811_JaffaCakes118.exe.log

Filesize
1KB

MD5
7ebe314bf617dc3e48b995a6c352740c

SHA1
538f643b7b30f9231a3035c448607f767527a870

SHA256
48178f884b8a4dd96e330b210b0530667d9473a7629fc6b4ad12b614bf438ee8

SHA512
0ba9d8f4244c15285e254d27b4bff7c49344ff845c48bc0bf0d8563072fab4d6f7a6abe6b6742e8375a08e9a3b3e5d5dc4937ab428dbe2dd8e62892fda04507e

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\TOZYVZGO\json[1].json

Filesize
297B

MD5
bd0c2d8e6b0fe0de4a3869c02ee43a85

SHA1
21d8cca90ea489f88c2953156e6c3dec6945388b

SHA256
3a3e433f615f99529721ee766ad453b75d73fe213cb1ab74ccbb4c0e32dcd533

SHA512
496b1285f1e78d50dd79b05fa2cbf4a0b655bb3e4515646be3a7c7cdf85d7db6ab35577aa1e294f3d515d707ca341652b5ae9d4b22197e4480226ef8440294b6

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

Filesize
180KB

MD5
8ffe3d7ee738e0573bd189ccc3b539b2

SHA1
94eab63679eca28bcd764d6d5d42094467e3d2ac

SHA256
f4af882c098d1e7c1e989ab36b0653a580d55ac0b52b2f6cd1faa070c738698f

SHA512
5f30d676aca05fcde57f17ddc87ba86a2d05bbf72fe166d97de042eca60dca76413a2bdaebe10e22471ae4689601d849e58cb78eb6aaf4cfa6fd6384dc81b273

Download Submit
memory/456-6-0x0000000005C50000-0x0000000005C98000-memory.dmp

Filesize
288KB

Download
memory/456-4-0x0000000005840000-0x0000000005850000-memory.dmp

Filesize
64KB

Download
memory/456-5-0x0000000005880000-0x000000000588A000-memory.dmp

Filesize
40KB

Download
memory/456-0-0x0000000000E40000-0x0000000000EB6000-memory.dmp

Filesize
472KB

Download
memory/456-3-0x00000000058D0000-0x0000000005962000-memory.dmp

Filesize
584KB

Download
memory/456-12-0x0000000074450000-0x0000000074C00000-memory.dmp

Filesize
7.7MB

Download
memory/456-2-0x0000000005E80000-0x0000000006424000-memory.dmp

Filesize
5.6MB

Download
memory/456-1-0x0000000074450000-0x0000000074C00000-memory.dmp

Filesize
7.7MB

Download
memory/1840-8-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/1840-11-0x0000000074450000-0x0000000074C00000-memory.dmp

Filesize
7.7MB

Download
memory/1840-15-0x0000000074450000-0x0000000074C00000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads