orcus | b024801dc39508b26f463fdd002e4daaf3c3e45870c664f75ab1a98e42cb1d2f

General

Target

705e236d9741eab7b6bd7c00cc31396d_JaffaCakes118.exe
Size

905KB
MD5

705e236d9741eab7b6bd7c00cc31396d
SHA1

b74b875ca24cf47706dd3c9d143a667cf3b5578f
SHA256

b024801dc39508b26f463fdd002e4daaf3c3e45870c664f75ab1a98e42cb1d2f
SHA512

05efc5d585c86d4c3eff76313e8fd24647458207f2b9885bcea4852db8c4daf928e53468b990c6a77bb624939669a87672a42d0a50737880e1af5188d9c8a4c3
SSDEEP

12288:noHWszy2LkjKgEX0pq5g7dG1lFlWcYT70pxnnaaoawvjKgRRAErZNrI0AilFEvxk:Leu4MROxnFDgHjrZlI0AilFEvxHiSVu

Score

10^/10

orcus rat spyware stealer

Malware Config

Extracted

Family

orcus

C2

s1.kekw.tk:1337

Mutex

ec048ad7fb2544ce8ce0e245ce5e3c05

Attributes

autostart_method
Disable
enable_keylogger
true
install_path
%allusersprofile%\Microsoft\Windows\time.exe
reconnect_delay
10000
registry_keyname
Orcus
taskscheduler_taskname
Orcus
watchdog_path
AppData\OrcusWatchdog.exe

Signatures

Orcus
Orcus is a Remote Access Trojan that is being sold on underground forums.
rat spyware stealer orcus

Orcus main payload 1 IoCs

resource	yara_rule
behavioral2/files/0x00080000000233f0-31.dat	family_orcus

Orcurs Rat Executable 2 IoCs

resource	yara_rule
behavioral2/files/0x00080000000233f0-31.dat	orcus
behavioral2/memory/1352-42-0x0000000000AF0000-0x0000000000BD8000-memory.dmp	orcus

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-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation	705e236d9741eab7b6bd7c00cc31396d_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
1352	time.exe
1660	time.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly\Desktop.ini	705e236d9741eab7b6bd7c00cc31396d_JaffaCakes118.exe
File created	C:\Windows\assembly\Desktop.ini	705e236d9741eab7b6bd7c00cc31396d_JaffaCakes118.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly	705e236d9741eab7b6bd7c00cc31396d_JaffaCakes118.exe
File created	C:\Windows\assembly\Desktop.ini	705e236d9741eab7b6bd7c00cc31396d_JaffaCakes118.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	705e236d9741eab7b6bd7c00cc31396d_JaffaCakes118.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1352	time.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1352	time.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3076 wrote to memory of 4244	3076	705e236d9741eab7b6bd7c00cc31396d_JaffaCakes118.exe	82
PID 3076 wrote to memory of 4244	3076	705e236d9741eab7b6bd7c00cc31396d_JaffaCakes118.exe	82
PID 4244 wrote to memory of 3832	4244	csc.exe	84
PID 4244 wrote to memory of 3832	4244	csc.exe	84
PID 3076 wrote to memory of 1352	3076	705e236d9741eab7b6bd7c00cc31396d_JaffaCakes118.exe	85
PID 3076 wrote to memory of 1352	3076	705e236d9741eab7b6bd7c00cc31396d_JaffaCakes118.exe	85

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\705e236d9741eab7b6bd7c00cc31396d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\705e236d9741eab7b6bd7c00cc31396d_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops desktop.ini file(s)
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:3076
- C:\Windows\Microsoft.NET\Framework64\v2.0.50727\csc.exe
  "C:\Windows\Microsoft.NET\Framework64\v2.0.50727\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\hjkfpxws.cmdline"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4244
- - C:\Windows\Microsoft.NET\Framework64\v2.0.50727\cvtres.exe
    C:\Windows\Microsoft.NET\Framework64\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES52E4.tmp" "c:\Users\Admin\AppData\Local\Temp\CSC52E3.tmp"
    3⤵
    PID:3832
- C:\ProgramData\Microsoft\Windows\time.exe
  "C:\ProgramData\Microsoft\Windows\time.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1352

C:\ProgramData\Microsoft\Windows\time.exe
C:\ProgramData\Microsoft\Windows\time.exe
1⤵
- Executes dropped EXE
PID:1660

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\Microsoft\Windows\time.exe

Filesize
905KB

MD5
705e236d9741eab7b6bd7c00cc31396d

SHA1
b74b875ca24cf47706dd3c9d143a667cf3b5578f

SHA256
b024801dc39508b26f463fdd002e4daaf3c3e45870c664f75ab1a98e42cb1d2f

SHA512
05efc5d585c86d4c3eff76313e8fd24647458207f2b9885bcea4852db8c4daf928e53468b990c6a77bb624939669a87672a42d0a50737880e1af5188d9c8a4c3

Download Submit
C:\ProgramData\Microsoft\Windows\time.exe.config

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

Download Submit
C:\Users\Admin\AppData\Local\Temp\RES52E4.tmp

Filesize
1KB

MD5
9becf825688c6726776dd271aa2eb94d

SHA1
c50e7a5e875ad8b07788738f5d511e04ddd81465

SHA256
9c339a4523e1c27fab57ae2bd2b02efdca131daad1a8d14b2c32addf28b7c403

SHA512
d370ca6de2ef99c42b637064c8b82fb16624853640b9e051edcb528d5fbab1dc97c5c625f3d25320701e88fb0909a2cb0ce205c500b7c7535f31477286d43c21

Download Submit
C:\Users\Admin\AppData\Local\Temp\hjkfpxws.dll

Filesize
76KB

MD5
24afbcc767b627ebcc20b8c7ff05ff85

SHA1
3bc4c3e41793f9903c024eda43f2dfaab22f21f6

SHA256
1af9021ed951ab8949f4d31887feff85f47dd5c1b7020cf85e21a1c25ef11f3e

SHA512
47fa814a4fc9d45d52d07011122d8a6c8ded4eb7980fd8f35cadce189047818510f71d80ac5b3e357843fedf05f011b6258110c3012dc303a76fd9715e1efde4

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\CSC52E3.tmp

Filesize
676B

MD5
fbf09ce76f2400d5c48176d26da0c8f7

SHA1
07ee2a191005826a45e2766320636bcf6d6efb9c

SHA256
7e9490c8e38f0dbd050c8c8ebdc13a19c637209650f26434656d01ffd7409678

SHA512
18ca259ec7f8aad7975b1b23f8a52fb9f789b022e01556236fac3e0f61814e543ba1ea09f9677e1d39087006deb0bc7767efc7e2d7a83c111cdbf3f6714b0e10

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\hjkfpxws.0.cs

Filesize
208KB

MD5
bd2ede1eb9d75bedf2449df9b1edf02f

SHA1
4b98323042c1877aac19ce2ed7d52eda4dcd0773

SHA256
02f525a33e97120b6aaa31d728145b93b25461fd3a7e5a96afb2767486f19e4b

SHA512
4aaa28a2256c846e4017ab15fdd01d032be1b95b0ab3ec4ee3c150fdd09f8678e547f645421c241705874546e267b4883834ce2320a41fac70bd31b1506185cf

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\hjkfpxws.cmdline

Filesize
349B

MD5
4d7a12fcbcaa41413cf90724a1219961

SHA1
da6d0c7ef26ad20ce24e833fbd3d563316791d0f

SHA256
a9e056c335d6ca7059b2eb725ee7b7a8942ff39e6b41591b8094f5dda0a7feab

SHA512
82e34292650519363199d23a49662434278d728ff7ba02c6e638d31fe19b1dd25c20a66b4a71747726f216ce7d6a73fd4c39e907fa03bb6c9388b813922eec88

Download Submit
memory/1352-47-0x000000001D0F0000-0x000000001D2B2000-memory.dmp

Filesize
1.8MB

Download
memory/1352-43-0x0000000002CF0000-0x0000000002D02000-memory.dmp

Filesize
72KB

Download
memory/1352-44-0x000000001B780000-0x000000001B7CE000-memory.dmp

Filesize
312KB

Download
memory/1352-42-0x0000000000AF0000-0x0000000000BD8000-memory.dmp

Filesize
928KB

Download
memory/1352-46-0x000000001B7E0000-0x000000001B7F8000-memory.dmp

Filesize
96KB

Download
memory/1352-39-0x00007FFE417B3000-0x00007FFE417B5000-memory.dmp

Filesize
8KB

Download
memory/1352-48-0x000000001B800000-0x000000001B810000-memory.dmp

Filesize
64KB

Download
memory/1352-50-0x00007FFE417B3000-0x00007FFE417B5000-memory.dmp

Filesize
8KB

Download
memory/3076-8-0x000000001C3F0000-0x000000001C48C000-memory.dmp

Filesize
624KB

Download
memory/3076-25-0x000000001B700000-0x000000001B712000-memory.dmp

Filesize
72KB

Download
memory/3076-23-0x000000001CAB0000-0x000000001CAC6000-memory.dmp

Filesize
88KB

Download
memory/3076-41-0x00007FFE445C0000-0x00007FFE44F61000-memory.dmp

Filesize
9.6MB

Download
memory/3076-0-0x00007FFE44875000-0x00007FFE44876000-memory.dmp

Filesize
4KB

Download
memory/3076-7-0x00007FFE445C0000-0x00007FFE44F61000-memory.dmp

Filesize
9.6MB

Download
memory/3076-6-0x000000001BE80000-0x000000001C34E000-memory.dmp

Filesize
4.8MB

Download
memory/3076-5-0x000000001B9A0000-0x000000001B9AE000-memory.dmp

Filesize
56KB

Download
memory/3076-2-0x000000001B7B0000-0x000000001B80C000-memory.dmp

Filesize
368KB

Download
memory/3076-1-0x00007FFE445C0000-0x00007FFE44F61000-memory.dmp

Filesize
9.6MB

Download
memory/4244-21-0x00007FFE445C0000-0x00007FFE44F61000-memory.dmp

Filesize
9.6MB

Download
memory/4244-17-0x00007FFE445C0000-0x00007FFE44F61000-memory.dmp

Filesize
9.6MB

Download

Analysis

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