c22c15b1fa25f120fe98f22241b86daf93addea99e92bdbb2945744b1f584d81

General

Target

843af912fff6ee44d7aaf4e9f625f509_JaffaCakes118.exe
Size

225KB
MD5

843af912fff6ee44d7aaf4e9f625f509
SHA1

7721563ba449f133f2592927d16c5a65da27ed19
SHA256

c22c15b1fa25f120fe98f22241b86daf93addea99e92bdbb2945744b1f584d81
SHA512

e1e4061e5ca54e60c9a4360f3c26aede755c0ed67e6bda998949b4eda894d14411cf65b5a2a08a0a607ce07f3df48639145ad37e3ad2c34de4636aa8efed3c65
SSDEEP

6144:yNxJdew0qZfYp+cWZaKJ9VaJtPjtixbwSpMel:wJww0UfYpvi/TAPJixUSpM

Score

8^/10

Malware Config

Signatures

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\drivers\qandr.sys	frame2_276.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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	843af912fff6ee44d7aaf4e9f625f509_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
3140	frame2_276.exe
4448	liar3.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/files/0x00080000000234c6-13.dat	upx
behavioral2/memory/4448-17-0x0000000000400000-0x000000000044A000-memory.dmp	upx

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

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3832	2380	WerFault.exe	83
2820	3140	WerFault.exe	93

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	843af912fff6ee44d7aaf4e9f625f509_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	frame2_276.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	liar3.exe

Runs net.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 3508	2380	843af912fff6ee44d7aaf4e9f625f509_JaffaCakes118.exe	85
PID 2380 wrote to memory of 3508	2380	843af912fff6ee44d7aaf4e9f625f509_JaffaCakes118.exe	85
PID 2380 wrote to memory of 3508	2380	843af912fff6ee44d7aaf4e9f625f509_JaffaCakes118.exe	85
PID 3508 wrote to memory of 2316	3508	net.exe	88
PID 3508 wrote to memory of 2316	3508	net.exe	88
PID 3508 wrote to memory of 2316	3508	net.exe	88
PID 2380 wrote to memory of 3140	2380	843af912fff6ee44d7aaf4e9f625f509_JaffaCakes118.exe	93
PID 2380 wrote to memory of 3140	2380	843af912fff6ee44d7aaf4e9f625f509_JaffaCakes118.exe	93
PID 2380 wrote to memory of 3140	2380	843af912fff6ee44d7aaf4e9f625f509_JaffaCakes118.exe	93
PID 2380 wrote to memory of 4448	2380	843af912fff6ee44d7aaf4e9f625f509_JaffaCakes118.exe	94
PID 2380 wrote to memory of 4448	2380	843af912fff6ee44d7aaf4e9f625f509_JaffaCakes118.exe	94
PID 2380 wrote to memory of 4448	2380	843af912fff6ee44d7aaf4e9f625f509_JaffaCakes118.exe	94

C:\Users\Admin\AppData\Local\Temp\843af912fff6ee44d7aaf4e9f625f509_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\843af912fff6ee44d7aaf4e9f625f509_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2380
- C:\windows\SysWOW64\net.exe
  "C:\windows\system32\net.exe" stop wscsvc
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3508
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop wscsvc
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2316
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2380 -s 1104
  2⤵
  - Program crash
  PID:3832
- C:\Users\Admin\AppData\Local\Temp\frame2_276.exe
  "C:\Users\Admin\AppData\Local\Temp\frame2_276.exe"
  2⤵
  - Drops file in Drivers directory
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3140
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3140 -s 312
    3⤵
    - Program crash
    PID:2820
- C:\Users\Admin\AppData\Local\Temp\liar3.exe
  "C:\Users\Admin\AppData\Local\Temp\liar3.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4448

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2380 -ip 2380
1⤵
PID:1512

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 3140 -ip 3140
1⤵
PID:3232

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\frame2_276.exe

Filesize
164KB

MD5
52d914c8fa26ae793b012c68291719f9

SHA1
71974b58f8de726790b3eadea931a73bf7bad1cd

SHA256
b77333164092b48615c8826ac7694f47819f070f6cc793d62363844a8c49c20f

SHA512
9ac6801fce8f8b49e15302932dd0198c8c0bf0e5ce7f48899081420ad774781d66d10d341e1c845252179b0caad0568a16f7b83fe109a5165976a2e95d70342e

Download Submit
C:\Users\Admin\AppData\Local\Temp\liar3.exe

Filesize
57KB

MD5
c75a9e75f5dc84b3d4769a29759dabee

SHA1
a792aab93744e9ba579564955bac31a6cbfb6d2e

SHA256
07f1f51821713642e753d3477f30b15c09a43fde4846a7d79dca16afe9e06c99

SHA512
36ffa7d59e18d8655dd187488654a77dfbbbb3cbc32328711167afb3d871f319ce5b95cdcdb01a9aaecdf88001ff427a0a2e9f41481bb07070d2dde30614147c

Download Submit
memory/3140-8-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3140-19-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4448-17-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download

Analysis

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